{"id":1454,"date":"2026-01-21T17:17:37","date_gmt":"2026-01-21T09:17:37","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=1454"},"modified":"2026-01-25T01:18:07","modified_gmt":"2026-01-24T17:18:07","slug":"1454","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/01\/21\/1454\/preluna\/technology\/career-skills\/technology-horizon\/","title":{"rendered":"\u7b2c64\u8bfe\uff1a\u5185\u5b58\u7ba1\u7406 \u2014\u2014 \u6808\u4e0e\u5806\u3001\u5f15\u7528\u4e0e\u503c\u3001\u5783\u573e\u56de\u6536"},"content":{"rendered":"\n

\u7b2c64\u8bfe\uff1a\u5185\u5b58\u7ba1\u7406 \u2014\u2014 \u6808\u4e0e\u5806\u3001\u5f15\u7528\u4e0e\u503c\u3001\u5783\u573e\u56de\u6536<\/strong><\/h2>\n\n\n\n

\u4e00\u3001\u4e3a\u4ec0\u4e48\u5728”\u7f16\u7a0b\u8303\u5f0f”\u4e4b\u540e\u8ba8\u8bba”\u5185\u5b58\u7ba1\u7406”\uff1f<\/strong><\/h2>\n\n\n\n

\u638c\u63e1\u4e86\u591a\u79cd\u7f16\u7a0b\u8303\u5f0f\u540e\uff0c\u4f60\u5df2\u7ecf\u80fd\u591f\u4ee5\u4e0d\u540c\u7684\u601d\u7ef4\u65b9\u5f0f\u6784\u5efa\u8f6f\u4ef6\u3002\u7136\u800c\uff0c\u65e0\u8bba\u91c7\u7528\u4f55\u79cd\u8303\u5f0f\uff0c\u7a0b\u5e8f\u6700\u7ec8\u90fd\u9700\u8981\u5728\u8ba1\u7b97\u673a\u7684\u5185\u5b58\u4e2d\u8fd0\u884c\u3002\u7406\u89e3\u5185\u5b58\u7ba1\u7406\u673a\u5236\uff0c\u80fd\u8ba9\u4f60\u4ece\u62bd\u8c61\u7684\u903b\u8f91\u4e16\u754c<\/strong>\u8fdb\u5165\u5177\u4f53\u7684\u6267\u884c\u73af\u5883<\/strong>\uff0c\u7406\u89e3\u4ee3\u7801\u5728\u673a\u5668\u5c42\u9762\u5982\u4f55\u8fd0\u4f5c\u3002<\/p>\n\n\n\n

\u5173\u952e\u6d1e\u5bdf<\/strong>\uff1a\u4e0d\u540c\u7684\u7f16\u7a0b\u8bed\u8a00\u548c\u8303\u5f0f\u5bf9\u5185\u5b58\u7ba1\u7406\u6709\u7740\u4e0d\u540c\u7684\u62bd\u8c61\u7a0b\u5ea6\uff0c\u4f46\u5e95\u5c42\u539f\u7406\u76f8\u901a\u3002\u7406\u89e3\u5185\u5b58\u7ba1\u7406\u80fd\u5e2e\u4f60\uff1a<\/p>\n\n\n\n

    \n
  1. \u5199\u51fa\u66f4\u9ad8\u6548\u7684\u4ee3\u7801<\/li>\n\n\n\n
  2. \u907f\u514d\u5e38\u89c1\u7684\u5185\u5b58\u9519\u8bef<\/li>\n\n\n\n
  3. \u7406\u89e3\u4e0d\u540c\u8bed\u8a00\u7279\u6027\u7684\u6027\u80fd\u4ee3\u4ef7<\/li>\n\n\n\n
  4. \u8c03\u8bd5\u590d\u6742\u7684\u5185\u5b58\u76f8\u5173\u95ee\u9898<\/li>\n<\/ol>\n\n\n\n

    \u4e8c\u3001\u5185\u5b58\u7684\u57fa\u672c\u5e03\u5c40\u4e0e\u5b58\u50a8\u6a21\u578b<\/strong><\/h2>\n\n\n\n

    1. \u6808\uff08Stack\uff09\u4e0e\u5806\uff08Heap\uff09\u7684\u5bf9\u6bd4<\/strong><\/h3>\n\n\n\n

    \u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u5185\u5b58\u88ab\u5212\u5206\u4e3a\u51e0\u4e2a\u533a\u57df\uff0c\u5176\u4e2d\u6700\u91cd\u8981\u7684\u4e24\u4e2a\u662f\u6808\u548c\u5806\uff1a<\/p>\n\n\n\n

    \u7279\u6027<\/th>\u6808\uff08Stack\uff09<\/th>\u5806\uff08Heap\uff09<\/th><\/tr><\/thead>
    \u7ba1\u7406\u65b9\u5f0f<\/strong><\/td>\u81ea\u52a8\u7ba1\u7406\uff08\u7f16\u8bd1\u5668\/\u89e3\u91ca\u5668\uff09<\/td>\u624b\u52a8\u6216\u5783\u573e\u56de\u6536\u5668\u7ba1\u7406<\/td><\/tr>
    \u5206\u914d\u901f\u5ea6<\/strong><\/td>\u5feb\uff08\u53ea\u9700\u79fb\u52a8\u6808\u6307\u9488\uff09<\/td>\u6162\uff08\u9700\u8981\u5bfb\u627e\u5408\u9002\u7a7a\u95f4\uff09<\/td><\/tr>
    \u8bbf\u95ee\u901f\u5ea6<\/strong><\/td>\u5feb\uff08\u8fde\u7eed\u5185\u5b58\uff0c\u7f13\u5b58\u53cb\u597d\uff09<\/td>\u8f83\u6162\uff08\u968f\u673a\u8bbf\u95ee\uff09<\/td><\/tr>
    \u5927\u5c0f\u9650\u5236<\/strong><\/td>\u8f83\u5c0f\uff08\u901a\u5e38\u51e0MB\uff09<\/td>\u8f83\u5927\uff08\u53d7\u7cfb\u7edf\u5185\u5b58\u9650\u5236\uff09<\/td><\/tr>
    \u751f\u547d\u5468\u671f<\/strong><\/td>\u51fd\u6570\u8c03\u7528\u671f\u95f4<\/td>\u52a8\u6001\u5206\u914d\uff0c\u76f4\u5230\u663e\u5f0f\u91ca\u653e\u6216GC\u56de\u6536<\/td><\/tr>
    \u4e3b\u8981\u5b58\u50a8<\/strong><\/td>\u5c40\u90e8\u53d8\u91cf\u3001\u51fd\u6570\u53c2\u6570\u3001\u8fd4\u56de\u5730\u5740<\/td>\u52a8\u6001\u5206\u914d\u7684\u5bf9\u8c61\u3001\u5927\u6570\u7ec4\u7b49<\/td><\/tr>
    \u788e\u7247\u95ee\u9898<\/strong><\/td>\u65e0\uff08\u5148\u8fdb\u540e\u51fa\u7ed3\u6784\uff09<\/td>\u6709\uff08\u53ef\u80fd\u4ea7\u751f\u5185\u5b58\u788e\u7247\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    2. \u6808\u7684\u5de5\u4f5c\u539f\u7406\uff1a\u51fd\u6570\u8c03\u7528\u4e0e\u5c40\u90e8\u53d8\u91cf<\/strong><\/h3>\n\n\n\n

    \u6808\u662f\u4e00\u79cd\u540e\u8fdb\u5148\u51fa\uff08LIFO\uff09\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u7ba1\u7406\u51fd\u6570\u8c03\u7528\u548c\u5c40\u90e8\u53d8\u91cf\uff1a<\/p>\n\n\n\n

    \/\/ C\u8bed\u8a00\u793a\u4f8b\u5c55\u793a\u6808\u7684\u8fd0\u4f5c\nint calculate(int a, int b) {\n    int result = a + b;  \/\/ \u5c40\u90e8\u53d8\u91cfresult\u5206\u914d\u5728\u6808\u4e0a\n    return result;       \/\/ \u8fd4\u56de\u65f6\uff0cresult\u4ece\u6808\u4e2d\u5f39\u51fa\n}\n\nint main() {\n    int x = 5;           \/\/ \u5c40\u90e8\u53d8\u91cfx\u5206\u914d\u5728\u6808\u4e0a\n    int y = 10;          \/\/ \u5c40\u90e8\u53d8\u91cfy\u5206\u914d\u5728\u6808\u4e0a\n    int sum = calculate(x, y);  \/\/ \u51fd\u6570\u8c03\u7528\uff1a\u53c2\u6570\u538b\u6808\uff0c\u521b\u5efa\u65b0\u6808\u5e27\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    \u6808\u5e27\uff08Stack Frame\uff09\u7684\u521b\u5efa\u8fc7\u7a0b<\/strong>\uff1a<\/p>\n\n\n\n
      \n
    1. \u8c03\u7528\u51fd\u6570\u65f6\uff0c\u53c2\u6570\u4ece\u53f3\u5411\u5de6\u538b\u5165\u6808<\/li>\n\n\n\n
    2. \u8fd4\u56de\u5730\u5740\u538b\u5165\u6808\uff08\u8c03\u7528\u7ed3\u675f\u540e\u56de\u5230\u54ea\uff09<\/li>\n\n\n\n
    3. \u4fdd\u5b58\u8c03\u7528\u8005\u7684\u57fa\u5740\u6307\u9488<\/li>\n\n\n\n
    4. \u4e3a\u65b0\u51fd\u6570\u5206\u914d\u5c40\u90e8\u53d8\u91cf\u7a7a\u95f4<\/li>\n\n\n\n
    5. \u51fd\u6570\u8fd4\u56de\u65f6\uff0c\u8fd9\u4e9b\u5185\u5bb9\u5168\u90e8\u5f39\u51fa<\/li>\n<\/ol>\n\n\n\n
      \n
      \u6ce8\u91ca<\/strong>\uff1a\u6808\u5206\u914d\u548c\u91ca\u653e\u901f\u5ea6\u6781\u5feb\uff0c\u53ea\u9700\u79fb\u52a8\u6808\u6307\u9488\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u9012\u5f52\u6df1\u5ea6\u8fc7\u5927\u4f1a\u5bfc\u81f4”\u6808\u6ea2\u51fa”\u2014\u2014\u6808\u7a7a\u95f4\u88ab\u8017\u5c3d\u3002\u5728JavaScript\u4e2d\uff0c\u867d\u7136\u5f00\u53d1\u8005\u4e0d\u76f4\u63a5\u64cd\u4f5c\u6808\uff0c\u4f46\u51fd\u6570\u8c03\u7528\u3001\u5c40\u90e8\u57fa\u672c\u7c7b\u578b\u53d8\u91cf\u90fd\u9075\u5faa\u8fd9\u4e00\u539f\u7406\u3002<\/p>\n<\/blockquote>\n\n\n\n
      3. \u5806\u7684\u5de5\u4f5c\u539f\u7406\uff1a\u52a8\u6001\u5185\u5b58\u5206\u914d<\/strong><\/h3>\n\n\n\n
      \u5806\u7528\u4e8e\u5b58\u50a8\u52a8\u6001\u5206\u914d\u7684\u6570\u636e\uff0c\u5176\u751f\u547d\u5468\u671f\u4e0d\u786e\u5b9a\uff1a<\/p>\n\n\n\n
      \/\/ C\u8bed\u8a00\u793a\u4f8b\u5c55\u793a\u5806\u7684\u5206\u914d\u4e0e\u91ca\u653e\n#include <stdlib.h>\n\nint main() {\n    \/\/ \u5728\u5806\u4e0a\u5206\u914d\u5185\u5b58\uff08\u624b\u52a8\u7ba1\u7406\uff09\n    int* array = (int*)malloc(100 * sizeof(int));\n\n    if (array != NULL) {\n        \/\/ \u4f7f\u7528\u5806\u5185\u5b58\n        for (int i = 0; i < 100; i++) {\n            array[i] = i * i;\n        }\n\n        \/\/ \u5fc5\u987b\u663e\u5f0f\u91ca\u653e\uff0c\u5426\u5219\u5185\u5b58\u6cc4\u6f0f\n        free(array);\n    }\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n
      \u5806\u5206\u914d\u7684\u590d\u6742\u6027<\/strong>\uff1a<\/p>\n\n\n\n
        \n
      1. \u9700\u8981\u7ef4\u62a4\u7a7a\u95f2\u5185\u5b58\u5757\u5217\u8868<\/li>\n\n\n\n
      2. \u5206\u914d\u65f6\u9700\u8981\u627e\u5230\u8db3\u591f\u5927\u7684\u8fde\u7eed\u7a7a\u95f4<\/li>\n\n\n\n
      3. \u91ca\u653e\u540e\u53ef\u80fd\u4ea7\u751f\u788e\u7247<\/li>\n\n\n\n
      4. \u5fd8\u8bb0\u91ca\u653e\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f<\/li>\n<\/ol>\n\n\n\n
        \n
        \u6ce8\u91ca<\/strong>\uff1a\u5728JavaScript\u3001Java\u3001Python\u7b49\u9ad8\u7ea7\u8bed\u8a00\u4e2d\uff0c\u5806\u5206\u914d\u662f\u81ea\u52a8\u7684\uff08\u901a\u8fc7new<\/code>\u3001\u5bf9\u8c61\u5b57\u9762\u91cf\u7b49\uff09\uff0c\u91ca\u653e\u4e5f\u7531\u5783\u573e\u56de\u6536\u5668\u81ea\u52a8\u5904\u7406\u3002\u8fd9\u79cd\u4fbf\u5229\u6027\u4ee5\u4e00\u5b9a\u7684\u6027\u80fd\u5f00\u9500\u4e3a\u4ee3\u4ef7\u3002<\/p>\n<\/blockquote>\n\n\n\n
        \u4e09\u3001\u503c\u7c7b\u578b\u4e0e\u5f15\u7528\u7c7b\u578b<\/strong><\/h2>\n\n\n\n
        1. \u6838\u5fc3\u533a\u522b\uff1a\u5b58\u50a8\u4f4d\u7f6e\u4e0e\u590d\u5236\u8bed\u4e49<\/strong><\/h3>\n\n\n\n
        \u4e0d\u540c\u7684\u8bed\u8a00\u5bf9\u503c\u7c7b\u578b\u548c\u5f15\u7528\u7c7b\u578b\u7684\u5904\u7406\u65b9\u5f0f\u4e0d\u540c\uff0c\u4f46\u6838\u5fc3\u6982\u5ff5\u76f8\u901a\uff1a<\/p>\n\n\n\n
        \u7279\u6027<\/th>\u503c\u7c7b\u578b\uff08Value Types\uff09<\/th>\u5f15\u7528\u7c7b\u578b\uff08Reference Types\uff09<\/th><\/tr><\/thead>
        \u5b58\u50a8\u4f4d\u7f6e<\/strong><\/td>\u901a\u5e38\u5b58\u50a8\u5728\u6808\u4e0a<\/td>\u503c\u5728\u5806\u4e0a\uff0c\u5f15\u7528\u5728\u6808\u4e0a<\/td><\/tr>
        \u590d\u5236\u884c\u4e3a<\/strong><\/td>\u6df1\u590d\u5236\uff08\u590d\u5236\u6574\u4e2a\u503c\uff09<\/td>\u6d45\u590d\u5236\uff08\u53ea\u590d\u5236\u5f15\u7528\uff09<\/td><\/tr>
        \u6bd4\u8f83\u65b9\u5f0f<\/strong><\/td>\u6bd4\u8f83\u503c\u5185\u5bb9<\/td>\u6bd4\u8f83\u5f15\u7528\u5730\u5740\uff08\u9664\u975e\u91cd\u5199\u6bd4\u8f83\u903b\u8f91\uff09<\/td><\/tr>
        \u5178\u578b\u793a\u4f8b<\/strong><\/td>\u6570\u5b57\u3001\u5b57\u7b26\u3001\u5e03\u5c14\u3001\u7ed3\u6784\u4f53<\/td>\u5bf9\u8c61\u3001\u6570\u7ec4\u3001\u51fd\u6570<\/td><\/tr>
        \u5185\u5b58\u5360\u7528<\/strong><\/td>\u901a\u5e38\u8f83\u5c0f<\/td>\u53ef\u80fd\u8f83\u5927<\/td><\/tr>
        \u4fee\u6539\u5f71\u54cd<\/strong><\/td>\u4fee\u6539\u526f\u672c\u4e0d\u5f71\u54cd\u539f\u503c<\/td>\u901a\u8fc7\u4efb\u4e00\u5f15\u7528\u4fee\u6539\u90fd\u5f71\u54cd\u539f\u5bf9\u8c61<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
        2. JavaScript\u4e2d\u7684\u503c\u7c7b\u578b\u4e0e\u5f15\u7528\u7c7b\u578b<\/strong><\/h3>\n\n\n\n
        JavaScript\u6709\u660e\u786e\u7684\u503c\u7c7b\u578b\u548c\u5f15\u7528\u7c7b\u578b\u5212\u5206\uff1a<\/p>\n\n\n\n
        \/\/ \u503c\u7c7b\u578b\uff08\u57fa\u672c\u7c7b\u578b\uff09\uff1a\u5b58\u50a8\u5728\u6808\u4e0a\nlet a = 10;\nlet b = a;  \/\/ \u590d\u5236\u503c\uff1ab\u5f97\u523010\u7684\u526f\u672c\nb = 20;\nconsole.log(a); \/\/ 10 - \u539f\u503c\u4e0d\u53d8\n\n\/\/ \u5f15\u7528\u7c7b\u578b\uff08\u5bf9\u8c61\u7c7b\u578b\uff09\uff1a\u5f15\u7528\u5728\u6808\u4e0a\uff0c\u5bf9\u8c61\u5728\u5806\u4e0a\nlet obj1 = { name: 'Alice', age: 30 };\nlet obj2 = obj1;  \/\/ \u590d\u5236\u5f15\u7528\uff1aobj2\u548cobj1\u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61\nobj2.age = 31;\nconsole.log(obj1.age); \/\/ 31 - \u901a\u8fc7obj2\u4fee\u6539\uff0cobj1\u4e5f\u53d7\u5f71\u54cd\n\n\/\/ \u6570\u7ec4\u4e5f\u662f\u5f15\u7528\u7c7b\u578b\nlet arr1 = [1, 2, 3];\nlet arr2 = arr1;  \/\/ \u590d\u5236\u5f15\u7528\narr2.push(4);\nconsole.log(arr1); \/\/ [1, 2, 3, 4]\n\n\/\/ \u5b57\u7b26\u4e32\u7684\u7279\u6b8a\u60c5\u51b5\uff08JavaScript\u4e2d\u5b57\u7b26\u4e32\u662f\u503c\u7c7b\u578b\uff09\nlet str1 = 'hello';\nlet str2 = str1;  \/\/ \u590d\u5236\u503c\nstr2 = 'world';\nconsole.log(str1); \/\/ 'hello' - \u4e0d\u53d8<\/code><\/pre>\n\n\n\n
        \n
        \u6ce8\u91ca<\/strong>\uff1aJavaScript\u4e2d\uff0cundefined<\/code>\u3001null<\/code>\u3001boolean<\/code>\u3001number<\/code>\u3001bigint<\/code>\u3001string<\/code>\u3001symbol<\/code>\u662f\u503c\u7c7b\u578b\uff0c\u5b58\u50a8\u5728\u6808\u4e0a\uff08\u6216\u6808\u7684\u4f18\u5316\u7ed3\u6784\u4e2d\uff09\u3002\u5bf9\u8c61\uff08\u5305\u62ec\u6570\u7ec4\u3001\u51fd\u6570\u3001Date\u7b49\uff09\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u5b9e\u9645\u5185\u5bb9\u5728\u5806\u4e0a\u3002\u7406\u89e3\u8fd9\u4e00\u533a\u522b\u5bf9\u4e8e\u907f\u514d\u610f\u5916\u4fee\u6539\u5171\u4eab\u6570\u636e\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/blockquote>\n\n\n\n
        3. \u503c\u8bed\u4e49\u4e0e\u5f15\u7528\u8bed\u4e49\u7684\u5b9e\u9645\u5f71\u54cd<\/strong><\/h3>\n\n\n\n
        \/\/ \u503c\u8bed\u4e49\uff1a\u521b\u5efa\u72ec\u7acb\u526f\u672c\nfunction incrementValue(num) {\n    num += 1;  \/\/ \u4fee\u6539\u5c40\u90e8\u526f\u672c\n    return num;\n}\n\nlet x = 5;\nlet y = incrementValue(x);\nconsole.log(x); \/\/ 5 - \u672a\u6539\u53d8\nconsole.log(y); \/\/ 6\n\n\/\/ \u5f15\u7528\u8bed\u4e49\uff1a\u4fee\u6539\u5171\u4eab\u5bf9\u8c61\nfunction updateArray(arr) {\n    arr.push('modified');  \/\/ \u4fee\u6539\u5171\u4eab\u5bf9\u8c61\n}\n\nlet myArray = ['original'];\nupdateArray(myArray);\nconsole.log(myArray); \/\/ ['original', 'modified'] - \u88ab\u4fee\u6539\u4e86\uff01\n\n\/\/ \u9632\u5fa1\u6027\u590d\u5236\uff1a\u907f\u514d\u610f\u5916\u4fee\u6539\nfunction safeUpdateArray(arr) {\n    const copy = [...arr];  \/\/ \u521b\u5efa\u6d45\u62f7\u8d1d\n    copy.push('modified');\n    return copy;\n}\n\nlet originalArray = ['original'];\nlet newArray = safeUpdateArray(originalArray);\nconsole.log(originalArray); \/\/ ['original'] - \u4fdd\u6301\u4e0d\u53d8\nconsole.log(newArray);      \/\/ ['original', 'modified']<\/code><\/pre>\n\n\n\n
        \n
        \u6ce8\u91ca<\/strong>\uff1a\u51fd\u6570\u53c2\u6570\u4f20\u9012\u65f6\uff0c\u503c\u7c7b\u578b\u4f20\u9012\u526f\u672c\uff0c\u5f15\u7528\u7c7b\u578b\u4f20\u9012\u5f15\u7528\u7684\u526f\u672c\uff08\u5373\u5bf9\u8c61\u672c\u8eab\u6ca1\u6709\u88ab\u590d\u5236\uff09\u3002\u8fd9\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u5728\u51fd\u6570\u5185\u4fee\u6539\u5bf9\u8c61\u4f1a\u5f71\u54cd\u5916\u90e8\u3002\u5728\u51fd\u6570\u5f0f\u7f16\u7a0b\u4e2d\uff0c\u5f3a\u8c03\u4e0d\u53ef\u53d8\u6027\u6b63\u662f\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u610f\u5916\u5171\u4eab\u4fee\u6539\u3002<\/p>\n<\/blockquote>\n\n\n\n
        \u56db\u3001\u5783\u573e\u56de\u6536\u673a\u5236<\/strong><\/h2>\n\n\n\n
        1. \u4e3a\u4ec0\u4e48\u9700\u8981\u5783\u573e\u56de\u6536\uff1f<\/strong><\/h3>\n\n\n\n
        \u624b\u52a8\u5185\u5b58\u7ba1\u7406\uff08\u5982C\/C++\u7684malloc\/free<\/code>\uff09\u5bb9\u6613\u51fa\u9519\uff1a<\/p>\n\n\n\n
          \n
        • \u5185\u5b58\u6cc4\u6f0f<\/strong>\uff1a\u5fd8\u8bb0\u91ca\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58<\/li>\n\n\n\n
        • \u60ac\u5782\u6307\u9488<\/strong>\uff1a\u8bbf\u95ee\u5df2\u91ca\u653e\u7684\u5185\u5b58<\/li>\n\n\n\n
        • \u53cc\u91cd\u91ca\u653e<\/strong>\uff1a\u591a\u6b21\u91ca\u653e\u540c\u4e00\u5185\u5b58<\/li>\n<\/ul>\n\n\n\n
          \u5783\u573e\u56de\u6536\u5668\u81ea\u52a8\u8ffd\u8e2a\u548c\u56de\u6536\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\uff0c\u4f7f\u5f00\u53d1\u8005\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n\n\n\n
          2. \u5783\u573e\u56de\u6536\u7684\u4e09\u5927\u7b97\u6cd5<\/strong><\/h3>\n\n\n\n
          a. \u5f15\u7528\u8ba1\u6570\uff08Reference Counting\uff09<\/strong><\/h4>\n\n\n\n
          # Python\u7684\u5f15\u7528\u8ba1\u6570\u793a\u4f8b\uff08\u7b80\u5316\u6982\u5ff5\uff09\nimport sys\n\nx = [1, 2, 3]  # \u5bf9\u8c61\u5f15\u7528\u8ba1\u6570 = 1\nprint(sys.getrefcount(x) - 1)  # \u83b7\u53d6\u5f15\u7528\u8ba1\u6570\uff0c\u51cf\u53bbgetrefcount\u81ea\u8eab\u7684\u5f15\u7528\n\ny = x          # \u5f15\u7528\u8ba1\u6570 = 2\nprint(sys.getrefcount(x) - 1)\n\ndel y          # \u5f15\u7528\u8ba1\u6570 = 1\ndel x          # \u5f15\u7528\u8ba1\u6570 = 0\uff0c\u5bf9\u8c61\u88ab\u7acb\u5373\u56de\u6536<\/code><\/pre>\n\n\n\n
          \u5de5\u4f5c\u539f\u7406<\/strong>\uff1a<\/p>\n\n\n\n
            \n
          1. \u6bcf\u4e2a\u5bf9\u8c61\u7ef4\u62a4\u4e00\u4e2a\u5f15\u7528\u8ba1\u6570\u5668<\/li>\n\n\n\n
          2. \u5f15\u7528\u589e\u52a0\u65f6\u8ba1\u6570\u5668\u52a01<\/li>\n\n\n\n
          3. \u5f15\u7528\u51cf\u5c11\u65f6\u8ba1\u6570\u5668\u51cf1<\/li>\n\n\n\n
          4. \u8ba1\u6570\u5668\u4e3a0\u65f6\u7acb\u5373\u56de\u6536<\/li>\n<\/ol>\n\n\n\n
            \u4f18\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
              \n
            • \u7acb\u5373\u56de\u6536\uff0c\u5185\u5b58\u5229\u7528\u7387\u9ad8<\/li>\n\n\n\n
            • \u56de\u6536\u5f00\u9500\u5e73\u644a\u5230\u8fd0\u884c\u65f6<\/li>\n<\/ul>\n\n\n\n
              \u7f3a\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
                \n
              • \u65e0\u6cd5\u5904\u7406\u5faa\u73af\u5f15\u7528\uff08\u4e24\u4e2a\u5bf9\u8c61\u4e92\u76f8\u5f15\u7528\uff0c\u4f46\u5df2\u4e0d\u88ab\u5916\u90e8\u5f15\u7528\uff09<\/li>\n\n\n\n
              • \u8ba1\u6570\u5668\u7ef4\u62a4\u5f00\u9500<\/li>\n<\/ul>\n\n\n\n
                \n
                \u6ce8\u91ca<\/strong>\uff1aPython\u4e3b\u8981\u4f7f\u7528\u5f15\u7528\u8ba1\u6570\uff0c\u4f46\u914d\u5408\u5206\u4ee3\u56de\u6536\u6765\u5904\u7406\u5faa\u73af\u5f15\u7528\u3002\u65e9\u671fIE\u7684JavaScript\u5f15\u64ce\u4e5f\u4f7f\u7528\u5f15\u7528\u8ba1\u6570\uff0c\u8fd9\u5bfc\u81f4\u5faa\u73af\u5f15\u7528\u6210\u4e3a\u5e38\u89c1\u7684\u5185\u5b58\u6cc4\u6f0f\u539f\u56e0\u3002<\/p>\n<\/blockquote>\n\n\n\n
                b. \u6807\u8bb0-\u6e05\u9664\uff08Mark and Sweep\uff09<\/strong><\/h4>\n\n\n\n
                \/\/ \u6807\u8bb0-\u6e05\u9664\u7b97\u6cd5\u6982\u5ff5\u6f14\u793a\n\/\/ 1. \u4ece\u6839\u5bf9\u8c61\uff08\u5168\u5c40\u5bf9\u8c61\u3001\u5f53\u524d\u8c03\u7528\u6808\u4e2d\u7684\u53d8\u91cf\uff09\u51fa\u53d1\n\/\/ 2. \u6807\u8bb0\u6240\u6709\u53ef\u8fbe\u5bf9\u8c61\n\/\/ 3. \u6e05\u9664\u6240\u6709\u672a\u6807\u8bb0\u5bf9\u8c61\n\n\/\/ \u5faa\u73af\u5f15\u7528\u793a\u4f8b\nfunction createCycle() {\n    let objA = { name: 'A' };\n    let objB = { name: 'B' };\n\n    objA.ref = objB;  \/\/ A\u5f15\u7528B\n    objB.ref = objA;  \/\/ B\u5f15\u7528A\uff08\u5faa\u73af\u5f15\u7528\uff09\n\n    return null;  \/\/ \u4f46A\u548cB\u4e0d\u518d\u88ab\u6839\u5bf9\u8c61\u53ef\u8fbe\n}\n\ncreateCycle();\n\/\/ \u51fd\u6570\u6267\u884c\u540e\uff0cobjA\u548cobjB\u5728\u5c40\u90e8\u4f5c\u7528\u57df\u4e2d\u5df2\u4e0d\u53ef\u8fbe\n\/\/ \u4f46\u5b83\u4eec\u4e92\u76f8\u5f15\u7528\uff0c\u5f15\u7528\u8ba1\u6570\u4e0d\u4e3a0\n\/\/ \u6807\u8bb0-\u6e05\u9664\u7b97\u6cd5\u80fd\u8bc6\u522b\u5b83\u4eec\u4e0d\u53ef\u8fbe\uff0c\u4ece\u800c\u56de\u6536<\/code><\/pre>\n\n\n\n
                \u5de5\u4f5c\u539f\u7406<\/strong>\uff1a<\/p>\n\n\n\n
                  \n
                1. \u6807\u8bb0\u9636\u6bb5<\/strong>\uff1a\u4ece\u6839\u5bf9\u8c61\u51fa\u53d1\uff0c\u904d\u5386\u6240\u6709\u53ef\u8fbe\u5bf9\u8c61\u5e76\u6807\u8bb0<\/li>\n\n\n\n
                2. \u6e05\u9664\u9636\u6bb5<\/strong>\uff1a\u904d\u5386\u6574\u4e2a\u5806\uff0c\u56de\u6536\u672a\u6807\u8bb0\u7684\u5bf9\u8c61<\/li>\n<\/ol>\n\n\n\n
                  \u4f18\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
                    \n
                  • \u80fd\u5904\u7406\u5faa\u73af\u5f15\u7528<\/li>\n\n\n\n
                  • \u7b97\u6cd5\u76f8\u5bf9\u7b80\u5355<\/li>\n<\/ul>\n\n\n\n
                    \u7f3a\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
                      \n
                    • \u9700\u8981\u6682\u505c\u7a0b\u5e8f\uff08Stop-The-World\uff09<\/li>\n\n\n\n
                    • \u53ef\u80fd\u4ea7\u751f\u5185\u5b58\u788e\u7247<\/li>\n<\/ul>\n\n\n\n
                      \u6839\u5bf9\u8c61\u5305\u62ec<\/strong>\uff1a<\/p>\n\n\n\n
                        \n
                      • \u5168\u5c40\u53d8\u91cf<\/li>\n\n\n\n
                      • \u5f53\u524d\u51fd\u6570\u8c03\u7528\u6808\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\u548c\u53c2\u6570<\/li>\n\n\n\n
                      • \u6d3b\u52a8\u7ebf\u7a0b\u7684\u5bc4\u5b58\u5668\u5185\u5bb9<\/li>\n\n\n\n
                      • DOM\u5143\u7d20\u5f15\u7528<\/li>\n<\/ul>\n\n\n\n
                        c. \u5206\u4ee3\u56de\u6536\uff08Generational Collection\uff09<\/strong><\/h4>\n\n\n\n
                        \u89c2\u5bdf<\/strong>\uff1a\u5927\u591a\u6570\u5bf9\u8c61”\u671d\u751f\u5915\u6b7b”\uff0c\u5c11\u6570\u5bf9\u8c61\u5b58\u6d3b\u65f6\u95f4\u957f\u3002<\/p>\n\n\n\n
                        \u5206\u4ee3\u5047\u8bbe<\/strong>\uff1a<\/p>\n\n\n\n
                          \n
                        • \u65b0\u751f\u4ee3\uff08Young Generation\uff09\uff1a\u65b0\u521b\u5efa\u7684\u5bf9\u8c61<\/li>\n\n\n\n
                        • \u8001\u751f\u4ee3\uff08Old Generation\uff09\uff1a\u7ecf\u5386\u591a\u6b21GC\u4ecd\u5b58\u6d3b\u7684\u5bf9\u8c61<\/li>\n<\/ul>\n\n\n\n
                          \u5206\u4ee3\u56de\u6536\u7b56\u7565<\/strong>\uff1a<\/p>\n\n\n\n
                          \/\/ \u6982\u5ff5\u793a\u4f8b\uff1aV8\u5f15\u64ce\u7684\u5206\u4ee3\u56de\u6536\n\/\/ \u65b0\u751f\u4ee3\uff1a\u4f7f\u7528Scavenge\u7b97\u6cd5\uff08\u590d\u5236\u7b97\u6cd5\uff09\n\/\/ \u8001\u751f\u4ee3\uff1a\u4f7f\u7528\u6807\u8bb0-\u6e05\u9664\u6216\u6807\u8bb0-\u6574\u7406\u7b97\u6cd5\n\n\/\/ \u5bf9\u8c61\u664b\u5347\u8fc7\u7a0b\nfunction objectLifecycle() {\n    \/\/ \u65b0\u5bf9\u8c61\u5206\u914d\u5728\u65b0\u751f\u4ee3\n    let tempObj = { data: 'temporary' };\n\n    \/\/ \u5982\u679c\u5bf9\u8c61\u5728\u65b0\u751f\u4ee3GC\u4e2d\u5b58\u6d3b\uff0c\u4f1a\u88ab\u79fb\u52a8\u5230\u8001\u751f\u4ee3\n    \/\/ \u6a21\u62df\uff1a\u591a\u6b21\u5f15\u7528\u6765\u6a21\u62df\u5bf9\u8c61\u957f\u671f\u5b58\u6d3b\n    globalLongLivedRef = tempObj;\n\n    \/\/ \u65b0\u751f\u4ee3\u7a7a\u95f4\u5c0f\uff0cGC\u9891\u7e41\u4f46\u5feb\u901f\n    \/\/ \u8001\u751f\u4ee3\u7a7a\u95f4\u5927\uff0cGC\u4e0d\u9891\u7e41\u4f46\u8f83\u6162\n}<\/code><\/pre>\n\n\n\n
                          \u5de5\u4f5c\u6d41\u7a0b<\/strong>\uff1a<\/p>\n\n\n\n
                            \n
                          1. \u65b0\u5bf9\u8c61\u5206\u914d\u5728\u65b0\u751f\u4ee3<\/li>\n\n\n\n
                          2. \u65b0\u751f\u4ee3\u6ee1\u65f6\uff0c\u6267\u884cMinor GC\uff08\u53ea\u6e05\u7406\u65b0\u751f\u4ee3\uff09<\/li>\n\n\n\n
                          3. \u5b58\u6d3b\u5bf9\u8c61\u5e74\u9f84\u589e\u52a0\uff0c\u8fbe\u5230\u9608\u503c\u65f6\u664b\u5347\u5230\u8001\u751f\u4ee3<\/li>\n\n\n\n
                          4. \u8001\u751f\u4ee3\u6ee1\u65f6\uff0c\u6267\u884cMajor GC\uff08\u5168\u5806\u6e05\u7406\uff09<\/li>\n<\/ol>\n\n\n\n
                            \u4f18\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
                              \n
                            • \u9488\u5bf9\u5bf9\u8c61\u751f\u547d\u5468\u671f\u7279\u70b9\u4f18\u5316<\/li>\n\n\n\n
                            • \u51cf\u5c11\u6682\u505c\u65f6\u95f4<\/li>\n\n\n\n
                            • \u63d0\u9ad8\u6574\u4f53\u541e\u5410\u91cf<\/li>\n<\/ul>\n\n\n\n
                              3. JavaScript\u5f15\u64ce\u7684\u5783\u573e\u56de\u6536\u5b9e\u73b0<\/strong><\/h3>\n\n\n\n
                              V8\u5f15\u64ce\u7684\u5783\u573e\u56de\u6536<\/strong><\/h4>\n\n\n\n
                              \/\/ V8\u7684\u5185\u5b58\u7ed3\u6784\u793a\u4f8b\n\/\/ 1. \u65b0\u751f\u4ee3\uff08New Space\uff09\uff1a1-8MB\uff0c\u4f7f\u7528Scavenge\u7b97\u6cd5\n\/\/ 2. \u8001\u751f\u4ee3\uff08Old Space\uff09\uff1a\u4e3b\u5806\uff0c\u4f7f\u7528\u6807\u8bb0-\u6e05\u9664\/\u6807\u8bb0-\u6574\u7406\n\/\/ 3. \u5927\u5bf9\u8c61\u7a7a\u95f4\uff08Large Object Space\uff09\uff1a>1MB\u7684\u5bf9\u8c61\n\/\/ 4. \u4ee3\u7801\u7a7a\u95f4\uff08Code Space\uff09\uff1aJIT\u7f16\u8bd1\u7684\u673a\u5668\u7801\n\/\/ 5. Map\u7a7a\u95f4\uff08Map Space\uff09\uff1a\u9690\u85cf\u7c7b\u548c\u6620\u5c04\u4fe1\u606f\n\n\/\/ \u9690\u85cf\u7c7b\uff08Hidden Class\uff09\u4f18\u5316\nfunction Point(x, y) {\n    this.x = x;  \/\/ V8\u521b\u5efa\u9690\u85cf\u7c7bC0\n    this.y = y;  \/\/ \u6dfb\u52a0\u5c5e\u6027y\uff0c\u521b\u5efa\u65b0\u9690\u85cf\u7c7bC1\n}\n\nlet p1 = new Point(1, 2);  \/\/ \u4f7f\u7528\u9690\u85cf\u7c7bC1\nlet p2 = new Point(3, 4);  \/\/ \u590d\u7528\u9690\u85cf\u7c7bC1\uff08\u9ad8\u6548\uff09\n\n\/\/ \u5982\u679c\u4ee5\u4e0d\u540c\u987a\u5e8f\u6dfb\u52a0\u5c5e\u6027\uff0c\u4f1a\u521b\u5efa\u4e0d\u540c\u7684\u9690\u85cf\u7c7b\nfunction BadPoint(x, y) {\n    this.y = y;  \/\/ \u9690\u85cf\u7c7bC2\n    this.x = x;  \/\/ \u521b\u5efa\u65b0\u9690\u85cf\u7c7bC3\uff08\u4e0eC1\u4e0d\u540c\uff01\uff09\n}<\/code><\/pre>\n\n\n\n
                              \u5185\u5b58\u6cc4\u6f0f\u7684\u5e38\u89c1\u6a21\u5f0f\u4e0e\u907f\u514d<\/strong><\/h4>\n\n\n\n
                              \/\/ 1. \u610f\u5916\u7684\u5168\u5c40\u53d8\u91cf\nfunction leak1() {\n    leaked = 'I am global';  \/\/ \u6ca1\u6709var\/let\/const\uff0c\u6210\u4e3a\u5168\u5c40\u53d8\u91cf\uff01\n}\n\n\/\/ 2. \u9057\u5fd8\u7684\u5b9a\u65f6\u5668\u6216\u56de\u8c03\nfunction leak2() {\n    const data = getHugeData();\n    setInterval(() => {\n        console.log(data);  \/\/ data\u4e00\u76f4\u88ab\u5f15\u7528\uff0c\u65e0\u6cd5\u56de\u6536\n    }, 1000);\n}\n\n\/\/ 3. DOM\u5f15\u7528\u672a\u6e05\u7406\nfunction leak3() {\n    const elements = {\n        button: document.getElementById('myButton'),\n        image: document.getElementById('myImage')\n    };\n\n    \/\/ \u5373\u4f7f\u4eceDOM\u79fb\u9664\uff0cJS\u5f15\u7528\u4ecd\u4fdd\u6301\u5bf9\u8c61\u5b58\u6d3b\n    document.body.removeChild(elements.button);\n    \/\/ \u9700\u8981\u624b\u52a8\u89e3\u9664\u5f15\u7528\uff1aelements.button = null;\n}\n\n\/\/ 4. \u95ed\u5305\u5f15\u7528\nfunction leak4() {\n    const largeArray = new Array(1000000).fill('*');\n\n    return function() {\n        console.log(largeArray.length);  \/\/ largeArray\u88ab\u95ed\u5305\u5f15\u7528\n    };\n}\n\nconst keepAlive = leak4();  \/\/ largeArray\u65e0\u6cd5\u88ab\u56de\u6536\uff0c\u76f4\u5230keepAlive\u4e0d\u518d\u4f7f\u7528\n\n\/\/ 5. \u4e8b\u4ef6\u76d1\u542c\u5668\u672a\u79fb\u9664\nfunction leak5() {\n    const button = document.getElementById('myButton');\n    button.addEventListener('click', () => {\n        console.log('clicked');\n    });\n\n    \/\/ \u5982\u679cbutton\u88ab\u79fb\u9664\uff0c\u76d1\u542c\u5668\u53ef\u80fd\u4ecd\u7136\u4fdd\u6301\u5f15\u7528\n    \/\/ \u5e94\u8be5\uff1abutton.removeEventListener(...)\n}<\/code><\/pre>\n\n\n\n
                              \u4e94\u3001\u4e0d\u540c\u8bed\u8a00\u7684\u5185\u5b58\u7ba1\u7406\u5bf9\u6bd4<\/strong><\/h2>\n\n\n\n
                              1. \u624b\u52a8\u7ba1\u7406\uff08C\/C++\uff09<\/strong><\/h3>\n\n\n\n
                              \/\/ \u5b8c\u5168\u624b\u52a8\u63a7\u5236\nint* createArray(int size) {\n    int* arr = new int[size];  \/\/ \u5806\u5206\u914d\n    \/\/ \u4f7f\u7528arr...\n    return arr;  \/\/ \u8c03\u7528\u8005\u5fc5\u987b\u8bb0\u5f97delete[]\n}\n\nvoid manualManagement() {\n    int* array = createArray(100);\n\n    \/\/ \u5fc5\u987b\u624b\u52a8\u91ca\u653e\uff0c\u5426\u5219\u5185\u5b58\u6cc4\u6f0f\n    delete[] array;\n\n    \/\/ \u5e38\u89c1\u9519\u8bef\uff1a\u8bbf\u95ee\u5df2\u91ca\u653e\u5185\u5b58\uff08\u60ac\u5782\u6307\u9488\uff09\n    \/\/ delete[] array;\n    \/\/ array[0] = 5;  \/\/ \u672a\u5b9a\u4e49\u884c\u4e3a\uff01\n}<\/code><\/pre>\n\n\n\n
                              \u7279\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
                                \n
                              • \u5b8c\u5168\u63a7\u5236\uff0c\u6027\u80fd\u6700\u4f18<\/li>\n\n\n\n
                              • \u5bb9\u6613\u51fa\u9519\uff0c\u9700\u8981\u9ad8\u5ea6\u8c28\u614e<\/li>\n\n\n\n
                              • \u9002\u5408\u7cfb\u7edf\u7f16\u7a0b\u3001\u6e38\u620f\u5f15\u64ce\u7b49\u5bf9\u6027\u80fd\u8981\u6c42\u6781\u9ad8\u7684\u573a\u666f<\/li>\n<\/ul>\n\n\n\n
                                2. \u81ea\u52a8\u5f15\u7528\u8ba1\u6570\uff08Swift\u3001Objective-C\uff09<\/strong><\/h3>\n\n\n\n
                                \/\/ Swift\u4f7f\u7528\u81ea\u52a8\u5f15\u7528\u8ba1\u6570\uff08ARC\uff09\nclass Person {\n    var name: String\n    var friend: Person?  \/\/ \u53ef\u80fd\u5bfc\u81f4\u5faa\u73af\u5f15\u7528\n\n    init(name: String) {\n        self.name = name\n    }\n\n    deinit {\n        print(\"\\(name)\u88ab\u91ca\u653e\")\n    }\n}\n\nfunc arcExample() {\n    var john: Person? = Person(name: \"John\")\n    var jane: Person? = Person(name: \"Jane\")\n\n    john?.friend = jane  \/\/ John\u5f15\u7528Jane\n    jane?.friend = john  \/\/ Jane\u5f15\u7528John\uff08\u5faa\u73af\u5f15\u7528\uff01\uff09\n\n    john = nil  \/\/ \u5f15\u7528\u8ba1\u6570\uff1aJohn->1, Jane->1\n    jane = nil  \/\/ \u5f15\u7528\u8ba1\u6570\uff1aJohn->1, Jane->1\uff08\u5185\u5b58\u6cc4\u6f0f\uff01\uff09\n\n    \/\/ \u89e3\u51b3\u65b9\u6848\uff1a\u4f7f\u7528weak\u6216unowned\u5f15\u7528\u6253\u7834\u5faa\u73af\n}<\/code><\/pre>\n\n\n\n
                                \u7279\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
                                  \n
                                • \u7f16\u8bd1\u65f6\u63d2\u5165\u5f15\u7528\u8ba1\u6570\u4ee3\u7801<\/li>\n\n\n\n
                                • \u5927\u591a\u6570\u5bf9\u8c61\u7acb\u5373\u91ca\u653e<\/li>\n\n\n\n
                                • \u9700\u8981\u5904\u7406\u5faa\u73af\u5f15\u7528\uff08weak\/unowned\uff09<\/li>\n\n\n\n
                                • \u6027\u80fd\u5f00\u9500\u4f4e\u4e8e\u5b8c\u6574GC\uff0c\u9ad8\u4e8e\u624b\u52a8\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n
                                  3. \u8ffd\u8e2a\u5f0f\u5783\u573e\u56de\u6536\uff08Java\u3001C#\u3001Go\u3001JavaScript\uff09<\/strong><\/h3>\n\n\n\n
                                  \/\/ Java\u7684\u5783\u573e\u56de\u6536\uff08JVM\uff09\npublic class GCDemo {\n    public static void main(String[] args) {\n        \/\/ \u53ef\u8fbe\u6027\u5206\u6790\n        Object a = new Object();  \/\/ \u5f3a\u5f15\u7528\n        Object b = new Object();\n\n        a = b;  \/\/ \u539fa\u5bf9\u8c61\u4e0d\u53ef\u8fbe\uff0c\u53ef\u88ab\u56de\u6536\n        b = null;\n\n        \/\/ \u5f15\u7528\u961f\u5217\u548c\u5f31\u5f15\u7528\n        ReferenceQueue<Object> queue = new ReferenceQueue<>();\n        WeakReference<Object> weakRef = new WeakReference<>(new Object(), queue);\n\n        System.gc();  \/\/ \u5efa\u8baeGC\uff0c\u4e0d\u4fdd\u8bc1\u7acb\u5373\u6267\u884c\n\n        \/\/ \u5f31\u5f15\u7528\u5bf9\u8c61\u53ef\u80fd\u88ab\u56de\u6536\n        if (weakRef.get() == null) {\n            System.out.println(\"\u5bf9\u8c61\u5df2\u88ab\u56de\u6536\");\n        }\n    }\n}<\/code><\/pre>\n\n\n\n
                                  \u7279\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
                                    \n
                                  • \u81ea\u52a8\u5904\u7406\u5faa\u73af\u5f15\u7528<\/li>\n\n\n\n
                                  • Stop-The-World\u6682\u505c\u53ef\u80fd\u5f71\u54cd\u54cd\u5e94\u6027<\/li>\n\n\n\n
                                  • \u8c03\u4f18\u590d\u6742\u4f46\u7075\u6d3b\uff08\u5206\u4ee3\u3001\u5e76\u884c\u3001\u5e76\u53d1\u3001G1\u7b49\u7b97\u6cd5\uff09<\/li>\n\n\n\n
                                  • \u603b\u4f53\u5f00\u53d1\u6548\u7387\u9ad8<\/li>\n<\/ul>\n\n\n\n
                                    4. \u6240\u6709\u6743\u7cfb\u7edf\uff08Rust\uff09<\/strong><\/h3>\n\n\n\n
                                    \/\/ Rust\u7684\u6240\u6709\u6743\u7cfb\u7edf\uff08\u7f16\u8bd1\u65f6\u5185\u5b58\u5b89\u5168\uff09\nfn ownership_example() {\n    let s1 = String::from(\"hello\");  \/\/ s1\u62e5\u6709\u5b57\u7b26\u4e32\n    let s2 = s1;  \/\/ \u6240\u6709\u6743\u8f6c\u79fb\u7ed9s2\uff0cs1\u4e0d\u518d\u6709\u6548\n\n    \/\/ println!(\"{}\", s1);  \/\/ \u7f16\u8bd1\u9519\u8bef\uff01s1\u5df2\u65e0\u6548\n\n    let s3 = s2.clone();  \/\/ \u6df1\u62f7\u8d1d\uff0c\u521b\u5efa\u65b0\u6240\u6709\u6743\n\n    \/\/ \u5f15\u7528\u548c\u501f\u7528\n    let len = calculate_length(&s3);  \/\/ \u4e0d\u53ef\u53d8\u501f\u7528\n    println!(\"'{}'\u7684\u957f\u5ea6\u662f{}\", s3, len);\n\n    let mut s4 = String::from(\"world\");\n    modify_string(&mut s4);  \/\/ \u53ef\u53d8\u501f\u7528\n\n    \/\/ \u751f\u547d\u5468\u671f\u6807\u6ce8\uff08\u7f16\u8bd1\u5668\u9a8c\u8bc1\u5f15\u7528\u6709\u6548\u6027\uff09\n    let result;\n    {\n        let x = 5;\n        result = longest(&s3, &x.to_string());\n    }\n    println!(\"\u6700\u957f\u7684\u5b57\u7b26\u4e32\u662f: {}\", result);\n}\n\nfn calculate_length(s: &String) -> usize {\n    s.len()\n}  \/\/ \u501f\u7528\u7ed3\u675f\uff0c\u4e0d\u91ca\u653es\n\nfn modify_string(s: &mut String) {\n    s.push_str(\"!\");\n}\n\nfn longest<'a>(x: &'a str, y: &'a str) -> &'a str {\n    if x.len() > y.len() { x } else { y }\n}<\/code><\/pre>\n\n\n\n
                                    \u7279\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
                                      \n
                                    • \u7f16\u8bd1\u65f6\u4fdd\u8bc1\u5185\u5b58\u5b89\u5168\uff0c\u65e0\u8fd0\u884c\u65f6GC\u5f00\u9500<\/li>\n\n\n\n
                                    • \u6240\u6709\u6743\u3001\u501f\u7528\u3001\u751f\u547d\u5468\u671f\u6982\u5ff5\u9700\u8981\u5b66\u4e60<\/li>\n\n\n\n
                                    • \u96f6\u6210\u672c\u62bd\u8c61\uff0c\u6027\u80fd\u4e0eC\/C++\u76f8\u5f53<\/li>\n\n\n\n
                                    • \u9002\u5408\u7cfb\u7edf\u7f16\u7a0b\uff0c\u5b89\u5168\u5173\u952e\u7cfb\u7edf<\/li>\n<\/ul>\n\n\n\n
                                      \u516d\u3001\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u7684\u5b9e\u7528\u6280\u5de7<\/strong><\/h2>\n\n\n\n
                                      1. \u5bf9\u8c61\u6c60\u6a21\u5f0f<\/strong><\/h3>\n\n\n\n
                                      \/\/ \u907f\u514d\u9891\u7e41\u521b\u5efa\u9500\u6bc1\u5bf9\u8c61\nclass ObjectPool {\n    constructor(createFn, resetFn, initialSize = 10) {\n        this.createFn = createFn;\n        this.resetFn = resetFn;\n        this.pool = [];\n\n        for (let i = 0; i < initialSize; i++) {\n            this.pool.push(createFn());\n        }\n    }\n\n    acquire() {\n        if (this.pool.length > 0) {\n            return this.pool.pop();\n        }\n        return this.createFn();\n    }\n\n    release(obj) {\n        this.resetFn(obj);\n        this.pool.push(obj);\n    }\n}\n\n\/\/ \u4f7f\u7528\u5bf9\u8c61\u6c60\nconst particlePool = new ObjectPool(\n    () => ({ x: 0, y: 0, vx: 0, vy: 0, active: false }),\n    (p) => { p.x = p.y = p.vx = p.vy = 0; p.active = false; }\n);\n\n\/\/ \u6e38\u620f\u5faa\u73af\u4e2d\u91cd\u7528\u5bf9\u8c61\uff0c\u907f\u514dGC\u538b\u529b\nfunction gameLoop() {\n    const particle = particlePool.acquire();\n    particle.x = Math.random() * 100;\n    particle.y = Math.random() * 100;\n    particle.active = true;\n\n    \/\/ \u4f7f\u7528\u540e\u5f52\u8fd8\n    setTimeout(() => particlePool.release(particle), 1000);\n}<\/code><\/pre>\n\n\n\n
                                      2. \u907f\u514d\u5185\u5b58\u788e\u7247<\/strong><\/h3>\n\n\n\n
                                      \/\/ \u9884\u5206\u914d\u5927\u6570\u7ec4\nclass PreallocatedBuffer {\n    constructor(size) {\n        this.buffer = new ArrayBuffer(size);\n        this.offset = 0;\n    }\n\n    allocate(viewType, count) {\n        const byteSize = count * viewType.BYTES_PER_ELEMENT;\n        if (this.offset + byteSize > this.buffer.byteLength) {\n            throw new Error('\u7f13\u51b2\u533a\u4e0d\u8db3');\n        }\n\n        const view = new viewType(this.buffer, this.offset, count);\n        this.offset += byteSize;\n        return view;\n    }\n\n    reset() {\n        this.offset = 0;\n    }\n}\n\n\/\/ \u9002\u7528\u4e8e\u5927\u91cf\u540c\u7c7b\u578b\u6570\u636e\u7684\u573a\u666f\uff08\u5982WebGL\u3001\u79d1\u5b66\u8ba1\u7b97\uff09\nconst buffer = new PreallocatedBuffer(1024 * 1024); \/\/ 1MB\nconst intArray = buffer.allocate(Int32Array, 1000); \/\/ 4KB\nconst floatArray = buffer.allocate(Float32Array, 500); \/\/ 2KB<\/code><\/pre>\n\n\n\n
                                      3. \u4f7f\u7528TypedArray\u5904\u7406\u4e8c\u8fdb\u5236\u6570\u636e<\/strong><\/h3>\n\n\n\n
                                      \/\/ TypedArray\u76f4\u63a5\u5728\u5185\u5b58\u7f13\u51b2\u533a\u5de5\u4f5c\uff0c\u907f\u514d\u989d\u5916\u5bf9\u8c61\u5f00\u9500\nfunction processImageData(width, height) {\n    \/\/ \u521b\u5efa\u8fde\u7eed\u7684\u5185\u5b58\u7f13\u51b2\u533a\n    const buffer = new ArrayBuffer(width * height * 4); \/\/ RGBA\n    const pixels = new Uint8ClampedArray(buffer);\n\n    \/\/ \u9ad8\u6548\u5904\u7406\u50cf\u7d20\u6570\u636e\n    for (let i = 0; i < pixels.length; i += 4) {\n        pixels[i] = 255;     \/\/ R\n        pixels[i + 1] = 0;   \/\/ G\n        pixels[i + 2] = 0;   \/\/ B\n        pixels[i + 3] = 255; \/\/ A\n    }\n\n    \/\/ \u53ef\u76f4\u63a5\u7528\u4e8eCanvas\n    const imageData = new ImageData(pixels, width, height);\n    return imageData;\n}<\/code><\/pre>\n\n\n\n
                                      \u4e03\u3001\u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n\n\n\n
                                      \u6838\u5fc3\u6982\u5ff5\u56de\u987e<\/strong><\/h3>\n\n\n\n
                                        \n
                                      1. \u6808\u4e0e\u5806<\/strong>\uff1a\u7406\u89e3\u5185\u5b58\u7684\u4e24\u79cd\u4e3b\u8981\u5b58\u50a8\u533a\u57df\u53ca\u5176\u7279\u6027<\/li>\n\n\n\n
                                      2. \u503c\u4e0e\u5f15\u7528<\/strong>\uff1a\u638c\u63e1\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u5b58\u50a8\u548c\u590d\u5236\u8bed\u4e49<\/li>\n\n\n\n
                                      3. \u5783\u573e\u56de\u6536<\/strong>\uff1a\u4e86\u89e3\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u7684\u5de5\u4f5c\u539f\u7406\u548c\u4f18\u5316\u7b56\u7565<\/li>\n<\/ol>\n\n\n\n
                                        \u8de8\u8bed\u8a00\u7684\u5185\u5b58\u7ba1\u7406\u667a\u6167<\/strong><\/h3>\n\n\n\n
                                          \n
                                        1. JavaScript\/\u52a8\u6001\u7c7b\u578b\u8bed\u8a00<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                            \n
                                          • \u7406\u89e3\u5f15\u7528\u7c7b\u578b\u4e0e\u503c\u7c7b\u578b\u7684\u533a\u522b<\/li>\n\n\n\n
                                          • \u907f\u514d\u5e38\u89c1\u7684\u5185\u5b58\u6cc4\u6f0f\u6a21\u5f0f<\/li>\n\n\n\n
                                          • \u5229\u7528\u73b0\u4ee3GC\u7b97\u6cd5\u7279\u6027\u4f18\u5316\u4ee3\u7801<\/li>\n<\/ul>\n\n\n\n
                                              \n
                                            1. Java\/C#\/\u6258\u7ba1\u8bed\u8a00<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                \n
                                              • \u7406\u89e3\u5206\u4ee3GC\u548c\u8c03\u4f18\u53c2\u6570<\/li>\n\n\n\n
                                              • \u4f7f\u7528\u5f31\u5f15\u7528\u5904\u7406\u7f13\u5b58\u7b49\u573a\u666f<\/li>\n\n\n\n
                                              • \u6ce8\u610f\u5927\u5bf9\u8c61\u5bf9GC\u7684\u5f71\u54cd<\/li>\n<\/ul>\n\n\n\n
                                                  \n
                                                1. C++\/\u7cfb\u7edf\u8bed\u8a00<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                    \n
                                                  • \u9075\u5faaRAII\uff08\u8d44\u6e90\u83b7\u53d6\u5373\u521d\u59cb\u5316\uff09\u539f\u5219<\/li>\n\n\n\n
                                                  • \u4f7f\u7528\u667a\u80fd\u6307\u9488\u81ea\u52a8\u7ba1\u7406\u751f\u547d\u5468\u671f<\/li>\n\n\n\n
                                                  • \u6ce8\u610f\u5bf9\u8c61\u6240\u6709\u6743\u548c\u4f20\u9012\u8bed\u4e49<\/li>\n<\/ul>\n\n\n\n
                                                      \n
                                                    1. Rust\/\u73b0\u4ee3\u7cfb\u7edf\u8bed\u8a00<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                        \n
                                                      • \u638c\u63e1\u6240\u6709\u6743\u548c\u501f\u7528\u7cfb\u7edf<\/li>\n\n\n\n
                                                      • \u7406\u89e3\u751f\u547d\u5468\u671f\u6807\u6ce8<\/li>\n\n\n\n
                                                      • \u5229\u7528\u7f16\u8bd1\u5668\u4fdd\u8bc1\u5185\u5b58\u5b89\u5168<\/li>\n<\/ul>\n\n\n\n
                                                        \u901a\u7528\u6700\u4f73\u5b9e\u8df5<\/strong><\/h3>\n\n\n\n
                                                          \n
                                                        1. \u6700\u5c0f\u5316\u5bf9\u8c61\u521b\u5efa<\/strong>\uff1a\u91cd\u7528\u5bf9\u8c61\uff0c\u4f7f\u7528\u5bf9\u8c61\u6c60<\/li>\n\n\n\n
                                                        2. \u53ca\u65f6\u91ca\u653e\u5f15\u7528<\/strong>\uff1a\u7279\u522b\u662f\u5168\u5c40\u5f15\u7528\u3001DOM\u5f15\u7528\u3001\u4e8b\u4ef6\u76d1\u542c\u5668<\/li>\n\n\n\n
                                                        3. \u907f\u514d\u95ed\u5305\u9677\u9631<\/strong>\uff1a\u6ce8\u610f\u95ed\u5305\u6355\u83b7\u7684\u5927\u5bf9\u8c61<\/li>\n\n\n\n
                                                        4. \u76d1\u63a7\u5185\u5b58\u4f7f\u7528<\/strong>\uff1a\u4f7f\u7528\u5f00\u53d1\u8005\u5de5\u5177\u5206\u6790\u5185\u5b58\u5feb\u7167<\/li>\n\n\n\n
                                                        5. \u7406\u89e3\u6570\u636e\u5c40\u90e8\u6027<\/strong>\uff1a\u8fde\u7eed\u8bbf\u95ee\u6570\u636e\uff0c\u63d0\u9ad8\u7f13\u5b58\u547d\u4e2d\u7387<\/li>\n<\/ol>\n\n\n\n
                                                          \u8c03\u8bd5\u5185\u5b58\u95ee\u9898<\/strong><\/h3>\n\n\n\n
                                                          \/\/ \u6d4f\u89c8\u5668\u5f00\u53d1\u8005\u5de5\u5177\u5185\u5b58\u5206\u6790\n\/\/ 1. \u5185\u5b58\u5feb\u7167\u5bf9\u6bd4\n\/\/ 2. \u65f6\u95f4\u7ebf\u5185\u5b58\u8ddf\u8e2a\n\/\/ 3. \u5806\u5206\u914d\u91c7\u6837\n\n\/\/ Node.js\u5185\u5b58\u5206\u6790\n\/\/ --inspect\u6807\u5fd7\u542f\u52a8\u8c03\u8bd5\n\/\/ \u4f7f\u7528Chrome DevTools\u6216clinic.js\u5206\u6790\n\n\/\/ \u5b9e\u7528\u4ee3\u7801\uff1a\u68c0\u6d4b\u5185\u5b58\u589e\u957f\nlet lastMemory = process.memoryUsage().heapUsed;\n\nsetInterval(() => {\n    const currentMemory = process.memoryUsage().heapUsed;\n    const diff = (currentMemory - lastMemory) \/ 1024 \/ 1024; \/\/ MB\n\n    if (Math.abs(diff) > 10) { \/\/ \u53d8\u5316\u8d85\u8fc710MB\n        console.log(`\u5185\u5b58\u53d8\u5316: ${diff.toFixed(2)} MB`);\n    }\n\n    lastMemory = currentMemory;\n}, 5000);<\/code><\/pre>\n\n\n\n
                                                          \u5b66\u4e60\u7684\u8fdb\u9636\u65b9\u5411<\/strong><\/h3>\n\n\n\n
                                                            \n
                                                          1. \u6df1\u5165\u7814\u7a76\u7279\u5b9aGC\u7b97\u6cd5<\/strong>\uff1a\u4e09\u8272\u6807\u8bb0\u3001\u589e\u91cf\u6807\u8bb0\u3001\u5e76\u53d1\u6807\u8bb0\u7b49<\/li>\n\n\n\n
                                                          2. \u5b66\u4e60\u5185\u5b58\u5206\u6790\u5de5\u5177<\/strong>\uff1aChrome DevTools\u3001MAT\u3001Valgrind\u7b49<\/li>\n\n\n\n
                                                          3. \u63a2\u7d22\u4e0d\u540c\u8bed\u8a00\u8fd0\u884c\u65f6<\/strong>\uff1aJVM\u3001CLR\u3001V8\u3001SpiderMonkey\u7684\u5185\u5b58\u7ba1\u7406\u5b9e\u73b0<\/li>\n\n\n\n
                                                          4. \u7406\u89e3\u64cd\u4f5c\u7cfb\u7edf\u5185\u5b58\u7ba1\u7406<\/strong>\uff1a\u865a\u62df\u5185\u5b58\u3001\u5206\u9875\u3001\u5185\u5b58\u6620\u5c04\u7b49<\/li>\n<\/ol>\n\n\n\n
                                                            \u6700\u7ec8\u601d\u8003<\/strong>\uff1a\u5185\u5b58\u7ba1\u7406\u662f\u8fde\u63a5\u9ad8\u7ea7\u8bed\u8a00\u62bd\u8c61\u4e0e\u5e95\u5c42\u786c\u4ef6\u7684\u6865\u6881\u3002\u65e0\u8bba\u4f60\u4f7f\u7528\u54ea\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u7406\u89e3\u5185\u5b58\u5982\u4f55\u5de5\u4f5c\u90fd\u5c06\u4f7f\u4f60\u6210\u4e3a\u66f4\u597d\u7684\u5f00\u53d1\u8005\u3002\u8fd9\u4e0d\u4ec5\u5173\u4e4e\u5199\u51fa\u6b63\u786e\u7684\u4ee3\u7801\uff0c\u66f4\u5173\u4e4e\u5199\u51fa\u9ad8\u6548\u7684\u3001\u53ef\u6269\u5c55\u7684\u3001\u4e13\u4e1a\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n
                                                            \u5f53\u4f60\u5728\u8bbe\u8ba1\u7cfb\u7edf\u65f6\uff0c\u8003\u8651\uff1a<\/p>\n\n\n\n
                                                              \n
                                                            • \u6570\u636e\u5e94\u8be5\u5982\u4f55\u7ec4\u7ec7\u4ee5\u51cf\u5c11\u5185\u5b58\u788e\u7247\uff1f<\/li>\n\n\n\n
                                                            • \u5bf9\u8c61\u751f\u547d\u5468\u671f\u5982\u4f55\u5f71\u54cdGC\u884c\u4e3a\uff1f<\/li>\n\n\n\n
                                                            • \u5185\u5b58\u8bbf\u95ee\u6a21\u5f0f\u662f\u5426\u7f13\u5b58\u53cb\u597d\uff1f<\/li>\n\n\n\n
                                                            • \u662f\u5426\u6709\u6f5c\u5728\u7684\u5185\u5b58\u6cc4\u6f0f\u98ce\u9669\uff1f<\/li>\n<\/ul>\n\n\n\n
                                                              \u638c\u63e1\u5185\u5b58\u7ba1\u7406\uff0c\u5c31\u662f\u638c\u63e1\u7a0b\u5e8f\u8fd0\u884c\u7684\u6839\u672c\u3002\u8fd9\u4f7f\u4f60\u80fd\u591f\u9884\u6d4b\u548c\u4f18\u5316\u7a0b\u5e8f\u884c\u4e3a\uff0c\u6784\u5efa\u51fa\u65e2\u6b63\u786e\u53c8\u9ad8\u6548\u7684\u8f6f\u4ef6\u7cfb\u7edf\u3002<\/p>\n\n\n\n
                                                              \u7b2c65\u8bfe\uff1a\u5e76\u53d1\u6a21\u578b\uff1a\u591a\u7ebf\u7a0b\uff08\u5171\u4eab\u5185\u5b58\uff09<\/strong><\/h1>\n\n\n\n
                                                              \u4e00\u3001\u4e3a\u4ec0\u4e48\u5728”\u5185\u5b58\u7ba1\u7406”\u4e4b\u540e\u8ba8\u8bba”\u5e76\u53d1\u6a21\u578b”\uff1f<\/strong><\/h2>\n\n\n\n
                                                              \u7406\u89e3\u4e86\u5185\u5b58\u5982\u4f55\u5de5\u4f5c\u540e\uff0c\u6211\u4eec\u73b0\u5728\u9762\u4e34\u4e00\u4e2a\u65b0\u7684\u7ef4\u5ea6\uff1a\u65f6\u95f4<\/strong>\u3002\u73b0\u4ee3\u8ba1\u7b97\u673a\u62e5\u6709\u591a\u4e2aCPU\u6838\u5fc3\uff0c\u53ef\u4ee5\u540c\u65f6\u6267\u884c\u591a\u4e2a\u4efb\u52a1\u3002\u5e76\u53d1\u7f16\u7a0b\u5c31\u662f\u5173\u4e8e\u5982\u4f55\u7ec4\u7ec7\u7a0b\u5e8f\u4ee5\u540c\u65f6\u5904\u7406\u591a\u4e2a\u4efb\u52a1<\/strong>\uff0c\u800c\u591a\u7ebf\u7a0b\u662f\u5176\u4e2d\u6700\u7ecf\u5178\u3001\u6700\u5e95\u5c42\u3001\u4e5f\u6700\u5177\u6311\u6218\u6027\u7684\u5e76\u53d1\u6a21\u578b\u3002<\/p>\n\n\n\n
                                                              \u5173\u952e\u6d1e\u5bdf<\/strong>\uff1a\u5e76\u53d1\u4e0d\u4ec5\u662f\u4e3a\u4e86\u6027\u80fd\uff0c\u66f4\u662f\u4e3a\u4e86\u54cd\u5e94\u6027<\/strong>\u548c\u8d44\u6e90\u5229\u7528\u7387<\/strong>\u3002\u5f53\u7a0b\u5e8f\u7b49\u5f85I\/O\uff08\u7f51\u7edc\u3001\u78c1\u76d8\uff09\u65f6\uff0cCPU\u4e0d\u5e94\u8be5\u95f2\u7f6e\u3002\u591a\u7ebf\u7a0b\u5141\u8bb8\u591a\u4e2a\u4efb\u52a1\u91cd\u53e0\u6267\u884c\uff0c\u4f46\u8fd9\u4e5f\u5f15\u5165\u4e86\u65b0\u7684\u590d\u6742\u6027\u2014\u2014\u5171\u4eab\u72b6\u6001\u4e0b\u7684\u534f\u8c03\u95ee\u9898<\/strong>\u3002<\/p>\n\n\n\n
                                                              \u4e8c\u3001\u5e76\u53d1\u4e0e\u5e76\u884c\u7684\u533a\u522b<\/strong><\/h2>\n\n\n\n
                                                              \u5728\u6df1\u5165\u591a\u7ebf\u7a0b\u4e4b\u524d\uff0c\u6f84\u6e05\u4e24\u4e2a\u5173\u952e\u6982\u5ff5\uff1a<\/p>\n\n\n\n
                                                              1. \u5e76\u53d1\uff08Concurrency\uff09<\/strong><\/h3>\n\n\n\n
                                                                \n
                                                              • \u5b9a\u4e49<\/strong>\uff1a\u591a\u4e2a\u4efb\u52a1\u5728\u91cd\u53e0\u7684\u65f6\u95f4\u6bb5\u5185\u6267\u884c\uff0c\u4f46\u4e0d\u4e00\u5b9a\u662f\u540c\u65f6\u3002<\/li>\n\n\n\n
                                                              • \u76ee\u6807<\/strong>\uff1a\u5904\u7406\u591a\u4e2a\u4efb\u52a1\uff0c\u8ba9\u5b83\u4eec\u770b\u8d77\u6765<\/strong>\u662f\u540c\u65f6\u8fdb\u884c\u7684\u3002<\/li>\n\n\n\n
                                                              • \u573a\u666f<\/strong>\uff1a\u5355\u6838CPU\u4e0a\u7684\u65f6\u95f4\u7247\u8f6e\u8f6c\uff0c\u4efb\u52a1\u5feb\u901f\u5207\u6362\u3002<\/li>\n<\/ul>\n\n\n\n
                                                                2. \u5e76\u884c\uff08Parallelism\uff09<\/strong><\/h3>\n\n\n\n
                                                                  \n
                                                                • \u5b9a\u4e49<\/strong>\uff1a\u591a\u4e2a\u4efb\u52a1\u771f\u6b63\u540c\u65f6\u6267\u884c\u3002<\/li>\n\n\n\n
                                                                • \u76ee\u6807<\/strong>\uff1a\u901a\u8fc7\u540c\u65f6\u6267\u884c\u6765\u52a0\u901f<\/strong>\u5355\u4e2a\u4efb\u52a1\u3002<\/li>\n\n\n\n
                                                                • \u573a\u666f<\/strong>\uff1a\u591a\u6838CPU\u4e0a\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u7ebf\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n
                                                                  # \u7b80\u5355\u793a\u4f8b\uff1a\u5e76\u53d1 vs \u5e76\u884c\nimport threading\nimport time\n\n# \u5e76\u53d1\uff1a\u5355\u6838\u4e0a\u7684\u4efb\u52a1\u5207\u6362\ndef print_numbers():\n    for i in range(5):\n        print(f\"Number: {i}\")\n        time.sleep(0.1)\n\ndef print_letters():\n    for char in 'ABCDE':\n        print(f\"Letter: {char}\")\n        time.sleep(0.1)\n\n# \u5728\u5355\u6838\u4e0a\uff1a\u4e24\u4e2a\u51fd\u6570\u4ea4\u66ff\u6267\u884c\uff08\u5e76\u53d1\uff09\n# \u5728\u591a\u6838\u4e0a\uff1a\u53ef\u80fd\u540c\u65f6\u6267\u884c\uff08\u5e76\u884c\uff09\nthread1 = threading.Thread(target=print_numbers)\nthread2 = threading.Thread(target=print_letters)\n\nthread1.start()\nthread2.start()<\/code><\/pre>\n\n\n\n
                                                                  \n
                                                                  \u6ce8\u91ca<\/strong>\uff1a\u5e76\u53d1\u662f\u95ee\u9898\u7ed3\u6784<\/strong>\uff08\u591a\u4e2a\u72ec\u7acb\u4efb\u52a1\uff09\uff0c\u5e76\u884c\u662f\u6267\u884c\u65b9\u5f0f<\/strong>\uff08\u591a\u4e2aCPU\u6838\u5fc3\uff09\u3002\u4f60\u53ef\u4ee5\u6709\u5e76\u53d1\u4f46\u6ca1\u6709\u5e76\u884c\uff08\u5355\u6838\u5207\u6362\uff09\uff0c\u4e5f\u53ef\u4ee5\u6709\u5e76\u884c\u4f46\u6ca1\u6709\u5e76\u53d1\uff08\u5355\u4efb\u52a1\u5206\u89e3\uff09\u3002\u591a\u7ebf\u7a0b\u53ef\u4ee5\u540c\u65f6\u5b9e\u73b0\u4e24\u8005\u3002<\/p>\n<\/blockquote>\n\n\n\n
                                                                  \u4e09\u3001\u591a\u7ebf\u7a0b\u57fa\u7840<\/strong><\/h2>\n\n\n\n
                                                                  1. \u7ebf\u7a0b\u7684\u672c\u8d28\uff1a\u8f7b\u91cf\u7ea7\u8fdb\u7a0b<\/strong><\/h3>\n\n\n\n
                                                                  \u7ebf\u7a0b\u662f\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u7684\u6700\u5c0f\u5355\u4f4d\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u7ebf\u7a0b\uff1a<\/p>\n\n\n\n
                                                                    \n
                                                                  • \u8fdb\u7a0b<\/strong>\uff1a\u8d44\u6e90\u7684\u5bb9\u5668\uff08\u5185\u5b58\u3001\u6587\u4ef6\u53e5\u67c4\u7b49\uff09<\/li>\n\n\n\n
                                                                  • \u7ebf\u7a0b<\/strong>\uff1a\u6267\u884c\u7684\u5355\u4f4d\uff08\u7a0b\u5e8f\u8ba1\u6570\u5668\u3001\u5bc4\u5b58\u5668\u3001\u6808\uff09<\/li>\n<\/ul>\n\n\n\n
                                                                    \/\/ Java\u4e2d\u7684\u7ebf\u7a0b\u521b\u5efa\npublic class ThreadBasics {\n    public static void main(String[] args) {\n        \/\/ \u65b9\u5f0f1\uff1a\u7ee7\u627fThread\u7c7b\n        class MyThread extends Thread {\n            @Override\n            public void run() {\n                System.out.println(\"Thread running: \" + Thread.currentThread().getId());\n            }\n        }\n\n        \/\/ \u65b9\u5f0f2\uff1a\u5b9e\u73b0Runnable\u63a5\u53e3\uff08\u66f4\u7075\u6d3b\uff09\n        class MyRunnable implements Runnable {\n            @Override\n            public void run() {\n                System.out.println(\"Runnable running: \" + Thread.currentThread().getId());\n            }\n        }\n\n        \/\/ \u542f\u52a8\u7ebf\u7a0b\n        Thread thread1 = new MyThread();\n        Thread thread2 = new Thread(new MyRunnable());\n        Thread thread3 = new Thread(() -> {\n            System.out.println(\"Lambda thread: \" + Thread.currentThread().getId());\n        });\n\n        thread1.start();  \/\/ \u542f\u52a8\u7ebf\u7a0b\uff0c\u6267\u884crun()\n        thread2.start();\n        thread3.start();\n\n        \/\/ \u6ce8\u610f\uff1a\u76f4\u63a5\u8c03\u7528run()\u4e0d\u4f1a\u521b\u5efa\u65b0\u7ebf\u7a0b\uff01\n        \/\/ thread1.run();  \/\/ \u9519\u8bef\uff1a\u8fd9\u4f1a\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u6267\u884c\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                    2. \u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f<\/strong><\/h3>\n\n\n\n
                                                                    # Python\u4e2d\u7ebf\u7a0b\u72b6\u6001\u8f6c\u6362\u793a\u4f8b\nimport threading\nimport time\n\nclass ThreadStates:\n    def __init__(self):\n        self.lock = threading.Lock()\n\n    def new_to_runnable(self):\n        \"\"\"\u65b0\u5efa -> \u5c31\u7eea\"\"\"\n        thread = threading.Thread(target=self.task)\n        print(f\"Thread state: New\")\n        thread.start()  # \u8fdb\u5165Runnable\n\n    def runnable_to_running(self):\n        \"\"\"\u5c31\u7eea -> \u8fd0\u884c\"\"\"\n        thread = threading.Thread(target=self.task)\n        thread.start()\n        time.sleep(0.001)  # \u7ed9\u65f6\u95f4\u7247\u8ba9\u7ebf\u7a0b\u8fd0\u884c\n        print(f\"Thread is alive: {thread.is_alive()}\")\n\n    def running_to_blocked(self):\n        \"\"\"\u8fd0\u884c -> \u963b\u585e\uff08\u7b49\u5f85\u9501\uff09\"\"\"\n        def blocked_task():\n            print(\"Thread trying to acquire lock...\")\n            with self.lock:  # \u5982\u679c\u9501\u88ab\u5360\u7528\uff0c\u7ebf\u7a0b\u963b\u585e\n                print(\"Thread acquired lock\")\n                time.sleep(1)\n\n        # \u5148\u8ba9\u4e00\u4e2a\u7ebf\u7a0b\u6301\u6709\u9501\n        with self.lock:\n            thread = threading.Thread(target=blocked_task)\n            thread.start()\n            time.sleep(0.1)\n            print(f\"Thread is blocked: {not thread.is_alive()}\")  # \u6280\u672f\u4e0a\u8fd8\u6d3b\u7740\uff0c\u4f46\u88ab\u963b\u585e\n\n    def blocked_to_runnable(self):\n        \"\"\"\u963b\u585e -> \u5c31\u7eea\uff08\u9501\u91ca\u653e\u540e\uff09\"\"\"\n        def waiting_task():\n            with self.lock:\n                print(\"Thread resumed from blocked state\")\n\n        thread = threading.Thread(target=waiting_task)\n\n        with self.lock:\n            thread.start()\n            time.sleep(0.1)\n            print(\"Thread is blocked waiting for lock\")\n\n        # \u79bb\u5f00with\u5757\uff0c\u9501\u91ca\u653e\uff0c\u7ebf\u7a0b\u53d8\u4e3a\u5c31\u7eea\u72b6\u6001\n        time.sleep(0.1)\n\n    def task(self):\n        time.sleep(0.1)<\/code><\/pre>\n\n\n\n
                                                                    \u7ebf\u7a0b\u72b6\u6001\u8f6c\u79fb\u56fe<\/strong>\uff1a<\/p>\n\n\n\n
                                                                    \u65b0\u5efa(New) \u2192 \u5c31\u7eea(Runnable) \u2194 \u8fd0\u884c(Running)\n                          \u2196     \u2193\n                           \u963b\u585e(Blocked)\n                                \u2193\n                           \u7ec8\u6b62(Terminated)<\/code><\/pre>\n\n\n\n
                                                                    \u56db\u3001\u5171\u4eab\u5185\u5b58\u4e0e\u7ade\u6001\u6761\u4ef6<\/strong><\/h2>\n\n\n\n
                                                                    1. \u5171\u4eab\u5185\u5b58\u7684\u8bf1\u60d1\u4e0e\u5371\u9669<\/strong><\/h3>\n\n\n\n
                                                                    \u591a\u7ebf\u7a0b\u5171\u4eab\u8fdb\u7a0b\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u8fd9\u662f\u6700\u5f3a\u5927\u4e5f\u6700\u5371\u9669\u7684\u7279\u6027\uff1a<\/p>\n\n\n\n
                                                                    \/\/ \u5171\u4eab\u8ba1\u6570\u5668\u7684\u5371\u9669\u793a\u4f8b\nclass SharedCounter {\n    private int count = 0;\n\n    public void increment() {\n        count++;  \/\/ \u8fd9\u5b9e\u9645\u4e0a\u4e0d\u662f\u539f\u5b50\u64cd\u4f5c\uff01\n    }\n\n    public int getCount() {\n        return count;\n    }\n}\n\npublic class RaceConditionDemo {\n    public static void main(String[] args) throws InterruptedException {\n        SharedCounter counter = new SharedCounter();\n\n        \/\/ \u521b\u5efa100\u4e2a\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u589e\u52a01000\u6b21\n        Thread[] threads = new Thread[100];\n        for (int i = 0; i < 100; i++) {\n            threads[i] = new Thread(() -> {\n                for (int j = 0; j < 1000; j++) {\n                    counter.increment();\n                }\n            });\n            threads[i].start();\n        }\n\n        \/\/ \u7b49\u5f85\u6240\u6709\u7ebf\u7a0b\u5b8c\u6210\n        for (Thread t : threads) {\n            t.join();\n        }\n\n        \/\/ \u9884\u671f\u7ed3\u679c\uff1a100 * 1000 = 100000\n        \/\/ \u5b9e\u9645\u7ed3\u679c\uff1a\u901a\u5e38\u5c0f\u4e8e100000\uff01\n        System.out.println(\"Final count: \" + counter.getCount());\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                    \n
                                                                    \u6ce8\u91ca<\/strong>\uff1acount++<\/code>\u770b\u8d77\u6765\u662f\u4e00\u884c\u4ee3\u7801\uff0c\u4f46\u5728\u5e95\u5c42\u5b9e\u9645\u4e0a\u662f\u4e09\u4e2a\u64cd\u4f5c\uff1a<\/p>\n\n\n\n
                                                                      \n
                                                                    1. \u4ece\u5185\u5b58\u8bfb\u53d6count\u7684\u503c\u5230\u5bc4\u5b58\u5668<\/li>\n\n\n\n
                                                                    2. \u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u52a01<\/li>\n\n\n\n
                                                                    3. \u5c06\u5bc4\u5b58\u5668\u7684\u503c\u5199\u56de\u5185\u5b58<\/li>\n<\/ol>\n\n\n\n
                                                                      \u5f53\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6267\u884c\u8fd9\u4e9b\u64cd\u4f5c\u65f6\uff0c\u5b83\u4eec\u53ef\u80fd\u4ea4\u9519\u6267\u884c\uff0c\u5bfc\u81f4\u66f4\u65b0\u4e22\u5931\u3002<\/p>\n<\/blockquote>\n\n\n\n
                                                                      2. \u7ade\u6001\u6761\u4ef6\u7684\u672c\u8d28<\/strong><\/h3>\n\n\n\n
                                                                      \u7ade\u6001\u6761\u4ef6\u53d1\u751f\u5728\u6267\u884c\u7ed3\u679c\u4f9d\u8d56\u4e8e\u7ebf\u7a0b\u6267\u884c\u7684\u65f6\u5e8f<\/strong>\u65f6\u3002\u5173\u952e\u7279\u5f81\u662f\uff1a<\/p>\n\n\n\n
                                                                        \n
                                                                      1. \u591a\u4e2a\u7ebf\u7a0b\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90<\/li>\n\n\n\n
                                                                      2. \u81f3\u5c11\u6709\u4e00\u4e2a\u7ebf\u7a0b\u4fee\u6539\u8d44\u6e90<\/li>\n\n\n\n
                                                                      3. \u6ca1\u6709\u9002\u5f53\u7684\u540c\u6b65\u673a\u5236<\/li>\n<\/ol>\n\n\n\n
                                                                        # \u66f4\u9690\u853d\u7684\u7ade\u6001\u6761\u4ef6\uff1a\u68c0\u67e5\u540e\u884c\u52a8\uff08Check-Then-Act\uff09\nimport threading\nimport time\n\nclass BankAccount:\n    def __init__(self):\n        self.balance = 100\n\n    def withdraw(self, amount):\n        # \u68c0\u67e5\u4f59\u989d\n        if self.balance >= amount:\n            # \u6a21\u62df\u4e00\u4e9b\u5904\u7406\u65f6\u95f4\uff08\u7ade\u6001\u6761\u4ef6\u7a97\u53e3\uff09\n            time.sleep(0.001)\n            # \u6267\u884c\u53d6\u6b3e\n            self.balance -= amount\n            print(f\"Withdrew {amount}, new balance: {self.balance}\")\n            return True\n        else:\n            print(f\"Insufficient funds: {self.balance}\")\n            return False\n\ndef test_race():\n    account = BankAccount()\n\n    def attempt_withdraw():\n        account.withdraw(80)\n\n    # \u4e24\u4e2a\u7ebf\u7a0b\u540c\u65f6\u5c1d\u8bd5\u53d6\u6b3e80\n    t1 = threading.Thread(target=attempt_withdraw)\n    t2 = threading.Thread(target=attempt_withdraw)\n\n    t1.start()\n    t2.start()\n\n    t1.join()\n    t2.join()\n\n    print(f\"Final balance: {account.balance}\")\n    # \u53ef\u80fd\u8f93\u51fa\uff1a\u4e24\u4e2a\u90fd\u6210\u529f\u53d6\u6b3e\uff0c\u4f59\u989d\u53d8\u4e3a-60\uff01\n\n# \u591a\u6b21\u8fd0\u884c\uff0c\u53ef\u4ee5\u770b\u5230\u4e0d\u540c\u7684\u7ed3\u679c\nfor i in range(10):\n    print(f\"\\nRun {i+1}:\")\n    test_race()<\/code><\/pre>\n\n\n\n
                                                                        \u4e94\u3001\u540c\u6b65\u673a\u5236\uff1a\u9501<\/strong><\/h2>\n\n\n\n
                                                                        1. \u4e92\u65a5\u9501\uff08Mutex\uff09\u7684\u57fa\u672c\u539f\u7406<\/strong><\/h3>\n\n\n\n
                                                                        \u9501\u63d0\u4f9b\u4e86\u4e00\u79cd\u4e92\u65a5\u673a\u5236\uff0c\u786e\u4fdd\u4e00\u6b21\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u8fdb\u5165\u4e34\u754c\u533a\uff1a<\/p>\n\n\n\n
                                                                        \/\/ \u4f7f\u7528synchronized\u5173\u952e\u5b57\uff08Java\u5185\u7f6e\u9501\uff09\nclass SafeCounter {\n    private int count = 0;\n\n    \/\/ \u65b9\u6cd5\u540c\u6b65\uff1a\u9501\u4f4f\u6574\u4e2a\u5bf9\u8c61\n    public synchronized void increment() {\n        count++;\n    }\n\n    \/\/ \u4ee3\u7801\u5757\u540c\u6b65\uff1a\u66f4\u7ec6\u7c92\u5ea6\u7684\u63a7\u5236\n    public void decrement() {\n        synchronized (this) {  \/\/ \u9501\u4f4f\u5f53\u524d\u5bf9\u8c61\n            count--;\n        }\n    }\n\n    public synchronized int getCount() {\n        return count;\n    }\n}\n\n\/\/ \u4f7f\u7528\u663e\u5f0f\u9501\uff08\u66f4\u7075\u6d3b\uff09\nimport java.util.concurrent.locks.Lock;\nimport java.util.concurrent.locks.ReentrantLock;\n\nclass FlexibleCounter {\n    private int count = 0;\n    private Lock lock = new ReentrantLock();\n\n    public void increment() {\n        lock.lock();  \/\/ \u83b7\u53d6\u9501\n        try {\n            count++;\n        } finally {\n            lock.unlock();  \/\/ \u786e\u4fdd\u9501\u88ab\u91ca\u653e\n        }\n    }\n\n    \/\/ \u5c1d\u8bd5\u83b7\u53d6\u9501\uff08\u975e\u963b\u585e\uff09\n    public boolean tryIncrement() {\n        if (lock.tryLock()) {  \/\/ \u7acb\u5373\u8fd4\u56de\uff0c\u4e0d\u4f1a\u963b\u585e\n            try {\n                count++;\n                return true;\n            } finally {\n                lock.unlock();\n            }\n        }\n        return false;\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                        2. \u9501\u7684\u4ee3\u4ef7\u4e0e\u4f18\u5316<\/strong><\/h3>\n\n\n\n
                                                                        \u9501\u4e0d\u662f\u514d\u8d39\u7684\uff0c\u5b83\u5e26\u6765\u6027\u80fd\u5f00\u9500\uff1a<\/p>\n\n\n\n
                                                                          \n
                                                                        1. \u83b7\u53d6\/\u91ca\u653e\u9501\u7684\u5f00\u9500<\/strong><\/li>\n\n\n\n
                                                                        2. \u4e0a\u4e0b\u6587\u5207\u6362<\/strong>\uff1a\u7ebf\u7a0b\u963b\u585e\u548c\u5524\u9192<\/li>\n\n\n\n
                                                                        3. \u7f13\u5b58\u5931\u6548<\/strong>\uff1a\u9501\u4fdd\u62a4\u7684\u6570\u636e\u5728\u4e0d\u540cCPU\u6838\u5fc3\u95f4\u540c\u6b65<\/li>\n<\/ol>\n\n\n\n
                                                                          # \u9501\u6027\u80fd\u5bf9\u6bd4\uff1a\u7c97\u7c92\u5ea6\u9501 vs \u7ec6\u7c92\u5ea6\u9501\nimport threading\nimport time\n\nclass CoarseLockCounter:\n    \"\"\"\u7c97\u7c92\u5ea6\u9501\uff1a\u6240\u6709\u64cd\u4f5c\u7528\u4e00\u628a\u9501\"\"\"\n    def __init__(self):\n        self.value1 = 0\n        self.value2 = 0\n        self.lock = threading.Lock()\n\n    def increment_both(self):\n        with self.lock:  # \u9501\u4f4f\u4e24\u4e2a\u53d8\u91cf\u7684\u8bbf\u95ee\n            self.value1 += 1\n            time.sleep(0.0001)  # \u6a21\u62df\u5904\u7406\u65f6\u95f4\n            self.value2 += 1\n\nclass FineLockCounter:\n    \"\"\"\u7ec6\u7c92\u5ea6\u9501\uff1a\u6bcf\u4e2a\u53d8\u91cf\u7528\u72ec\u7acb\u7684\u9501\"\"\"\n    def __init__(self):\n        self.value1 = 0\n        self.value2 = 0\n        self.lock1 = threading.Lock()\n        self.lock2 = threading.Lock()\n\n    def increment_both(self):\n        # \u53ef\u4ee5\u5e76\u884c\u6267\u884c\u7684\u90e8\u5206\n        with self.lock1:\n            self.value1 += 1\n\n        time.sleep(0.0001)  # \u6a21\u62df\u5904\u7406\u65f6\u95f4\n\n        with self.lock2:\n            self.value2 += 1\n\ndef benchmark(counter_class, num_threads=10, iterations=1000):\n    counter = counter_class()\n    threads = []\n\n    start = time.time()\n\n    for _ in range(num_threads):\n        t = threading.Thread(target=lambda: [\n            counter.increment_both() for _ in range(iterations)\n        ])\n        threads.append(t)\n        t.start()\n\n    for t in threads:\n        t.join()\n\n    elapsed = time.time() - start\n    print(f\"{counter_class.__name__}: {elapsed:.3f} seconds\")\n\n    # \u9a8c\u8bc1\u6b63\u786e\u6027\n    assert counter.value1 == num_threads * iterations\n    assert counter.value2 == num_threads * iterations\n    return elapsed\n\n# \u6d4b\u8bd5\nprint(\"\u6027\u80fd\u5bf9\u6bd4\uff08\u7ec6\u7c92\u5ea6\u9501\u901a\u5e38\u66f4\u5feb\uff0c\u4f46\u66f4\u590d\u6742\uff09\uff1a\")\ntime_coarse = benchmark(CoarseLockCounter)\ntime_fine = benchmark(FineLockCounter)\nprint(f\"\u7ec6\u7c92\u5ea6\u9501\u63d0\u901f: {(time_coarse - time_fine) \/ time_coarse * 100:.1f}%\")<\/code><\/pre>\n\n\n\n
                                                                          \u516d\u3001\u7ecf\u5178\u540c\u6b65\u95ee\u9898<\/strong><\/h2>\n\n\n\n
                                                                          1. \u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u95ee\u9898<\/strong><\/h3>\n\n\n\n
                                                                          import java.util.LinkedList;\nimport java.util.Queue;\nimport java.util.concurrent.locks.Condition;\nimport java.util.concurrent.locks.Lock;\nimport java.util.concurrent.locks.ReentrantLock;\n\nclass ProducerConsumer {\n    private final Queue<Integer> buffer = new LinkedList<>();\n    private final int capacity = 5;\n\n    private final Lock lock = new ReentrantLock();\n    private final Condition bufferNotFull = lock.newCondition();\n    private final Condition bufferNotEmpty = lock.newCondition();\n\n    \/\/ \u751f\u4ea7\u8005\n    public void produce(int value) throws InterruptedException {\n        lock.lock();\n        try {\n            \/\/ \u7f13\u51b2\u533a\u6ee1\u5219\u7b49\u5f85\n            while (buffer.size() == capacity) {\n                System.out.println(\"\u7f13\u51b2\u533a\u6ee1\uff0c\u751f\u4ea7\u8005\u7b49\u5f85...\");\n                bufferNotFull.await();  \/\/ \u91ca\u653e\u9501\u5e76\u7b49\u5f85\n            }\n\n            buffer.add(value);\n            System.out.println(\"\u751f\u4ea7: \" + value + \"\uff0c\u7f13\u51b2\u533a\u5927\u5c0f: \" + buffer.size());\n\n            \/\/ \u901a\u77e5\u6d88\u8d39\u8005\n            bufferNotEmpty.signalAll();\n        } finally {\n            lock.unlock();\n        }\n    }\n\n    \/\/ \u6d88\u8d39\u8005\n    public int consume() throws InterruptedException {\n        lock.lock();\n        try {\n            \/\/ \u7f13\u51b2\u533a\u7a7a\u5219\u7b49\u5f85\n            while (buffer.isEmpty()) {\n                System.out.println(\"\u7f13\u51b2\u533a\u7a7a\uff0c\u6d88\u8d39\u8005\u7b49\u5f85...\");\n                bufferNotEmpty.await();\n            }\n\n            int value = buffer.poll();\n            System.out.println(\"\u6d88\u8d39: \" + value + \"\uff0c\u7f13\u51b2\u533a\u5927\u5c0f: \" + buffer.size());\n\n            \/\/ \u901a\u77e5\u751f\u4ea7\u8005\n            bufferNotFull.signalAll();\n            return value;\n        } finally {\n            lock.unlock();\n        }\n    }\n}\n\n\/\/ \u6d4b\u8bd5\npublic static void main(String[] args) {\n    ProducerConsumer pc = new ProducerConsumer();\n\n    \/\/ \u751f\u4ea7\u8005\u7ebf\u7a0b\n    Thread producer = new Thread(() -> {\n        try {\n            for (int i = 1; i <= 10; i++) {\n                pc.produce(i);\n                Thread.sleep(100);  \/\/ \u6a21\u62df\u751f\u4ea7\u65f6\u95f4\n            }\n        } catch (InterruptedException e) {\n            Thread.currentThread().interrupt();\n        }\n    });\n\n    \/\/ \u6d88\u8d39\u8005\u7ebf\u7a0b\n    Thread consumer = new Thread(() -> {\n        try {\n            for (int i = 0; i < 10; i++) {\n                pc.consume();\n                Thread.sleep(150);  \/\/ \u6a21\u62df\u6d88\u8d39\u65f6\u95f4\n            }\n        } catch (InterruptedException e) {\n            Thread.currentThread().interrupt();\n        }\n    });\n\n    producer.start();\n    consumer.start();\n}<\/code><\/pre>\n\n\n\n
                                                                          2. \u8bfb\u8005-\u5199\u8005\u95ee\u9898<\/strong><\/h3>\n\n\n\n
                                                                          import threading\nimport time\nimport random\n\nclass ReaderWriter:\n    def __init__(self):\n        self.data = 0\n        self.reader_count = 0\n        self.mutex = threading.Lock()  # \u4fdd\u62a4reader_count\n        self.rw_lock = threading.Lock()  # \u8bfb\u5199\u9501\uff08\u8fd9\u91cc\u7528\u4e92\u65a5\u9501\u7b80\u5316\uff09\n\n    def read(self, reader_id):\n        # \u8bfb\u8005\u8fdb\u5165\n        with self.mutex:\n            self.reader_count += 1\n            if self.reader_count == 1:\n                self.rw_lock.acquire()  # \u7b2c\u4e00\u4e2a\u8bfb\u8005\u83b7\u53d6\u5199\u9501\n\n        # \u8bfb\u53d6\u6570\u636e\n        print(f\"\u8bfb\u8005{reader_id} \u8bfb\u53d6\u6570\u636e: {self.data}\")\n        time.sleep(random.uniform(0.1, 0.3))  # \u6a21\u62df\u8bfb\u53d6\u65f6\u95f4\n\n        # \u8bfb\u8005\u79bb\u5f00\n        with self.mutex:\n            self.reader_count -= 1\n            if self.reader_count == 0:\n                self.rw_lock.release()  # \u6700\u540e\u4e00\u4e2a\u8bfb\u8005\u91ca\u653e\u5199\u9501\n\n    def write(self, writer_id, value):\n        # \u5199\u8005\u9700\u8981\u72ec\u5360\u8bbf\u95ee\n        with self.rw_lock:\n            print(f\"\u5199\u8005{writer_id} \u5f00\u59cb\u5199\u5165...\")\n            self.data = value\n            time.sleep(random.uniform(0.2, 0.5))  # \u6a21\u62df\u5199\u5165\u65f6\u95f4\n            print(f\"\u5199\u8005{writer_id} \u5199\u5165\u5b8c\u6210: {self.data}\")\n\n# \u6d4b\u8bd5\ndef test_reader_writer():\n    rw = ReaderWriter()\n\n    threads = []\n\n    # \u521b\u5efa\u8bfb\u8005\n    for i in range(5):\n        t = threading.Thread(target=rw.read, args=(i,))\n        threads.append(t)\n\n    # \u521b\u5efa\u5199\u8005\n    for i in range(2):\n        t = threading.Thread(target=rw.write, args=(i, i*100))\n        threads.append(t)\n\n    # \u968f\u673a\u542f\u52a8\n    random.shuffle(threads)\n    for t in threads:\n        t.start()\n        time.sleep(0.1)\n\n    for t in threads:\n        t.join()\n\n# \u53ef\u4ee5\u770b\u5230\uff1a\u591a\u4e2a\u8bfb\u8005\u53ef\u4ee5\u540c\u65f6\u8bfb\uff0c\u4f46\u5199\u8005\u9700\u8981\u72ec\u5360<\/code><\/pre>\n\n\n\n
                                                                          \u4e03\u3001\u6b7b\u9501\uff1a\u540c\u6b65\u7684\u81f4\u547d\u9677\u9631<\/strong><\/h2>\n\n\n\n
                                                                          1. \u6b7b\u9501\u4ea7\u751f\u7684\u56db\u4e2a\u5fc5\u8981\u6761\u4ef6<\/strong><\/h3>\n\n\n\n
                                                                            \n
                                                                          1. \u4e92\u65a5<\/strong>\uff1a\u8d44\u6e90\u4e00\u6b21\u53ea\u80fd\u88ab\u4e00\u4e2a\u7ebf\u7a0b\u4f7f\u7528<\/li>\n\n\n\n
                                                                          2. \u5360\u6709\u5e76\u7b49\u5f85<\/strong>\uff1a\u7ebf\u7a0b\u6301\u6709\u8d44\u6e90\u5e76\u7b49\u5f85\u5176\u4ed6\u8d44\u6e90<\/li>\n\n\n\n
                                                                          3. \u4e0d\u53ef\u5265\u593a<\/strong>\uff1a\u8d44\u6e90\u53ea\u80fd\u7531\u6301\u6709\u7ebf\u7a0b\u4e3b\u52a8\u91ca\u653e<\/li>\n\n\n\n
                                                                          4. \u5faa\u73af\u7b49\u5f85<\/strong>\uff1a\u5b58\u5728\u4e00\u4e2a\u7ebf\u7a0b\u7b49\u5f85\u73af\u8def<\/li>\n<\/ol>\n\n\n\n
                                                                            \/\/ \u7ecf\u5178\u6b7b\u9501\u793a\u4f8b\uff1a\u54f2\u5b66\u5bb6\u5c31\u9910\u95ee\u9898\nclass Philosopher extends Thread {\n    private final Object leftFork;\n    private final Object rightFork;\n    private final int id;\n\n    public Philosopher(int id, Object leftFork, Object rightFork) {\n        this.id = id;\n        this.leftFork = leftFork;\n        this.rightFork = rightFork;\n    }\n\n    private void think() throws InterruptedException {\n        System.out.println(\"\u54f2\u5b66\u5bb6 \" + id + \" \u601d\u8003\u4e2d...\");\n        Thread.sleep((int) (Math.random() * 100));\n    }\n\n    private void eat() throws InterruptedException {\n        System.out.println(\"\u54f2\u5b66\u5bb6 \" + id + \" \u5403\u996d\u4e2d...\");\n        Thread.sleep((int) (Math.random() * 100));\n    }\n\n    @Override\n    public void run() {\n        try {\n            while (true) {\n                think();\n\n                \/\/ \u5148\u62ff\u5de6\u53c9\u5b50\uff0c\u518d\u62ff\u53f3\u53c9\u5b50\n                synchronized (leftFork) {\n                    System.out.println(\"\u54f2\u5b66\u5bb6 \" + id + \" \u62ff\u8d77\u4e86\u5de6\u53c9\u5b50\");\n\n                    synchronized (rightFork) {\n                        System.out.println(\"\u54f2\u5b66\u5bb6 \" + id + \" \u62ff\u8d77\u4e86\u53f3\u53c9\u5b50\");\n                        eat();\n                    }\n                }\n            }\n        } catch (InterruptedException e) {\n            Thread.currentThread().interrupt();\n        }\n    }\n}\n\npublic class DiningPhilosophers {\n    public static void main(String[] args) {\n        final int NUM_PHILOSOPHERS = 5;\n        Philosopher[] philosophers = new Philosopher[NUM_PHILOSOPHERS];\n        Object[] forks = new Object[NUM_PHILOSOPHERS];\n\n        for (int i = 0; i < NUM_PHILOSOPHERS; i++) {\n            forks[i] = new Object();\n        }\n\n        for (int i = 0; i < NUM_PHILOSOPHERS; i++) {\n            Object leftFork = forks[i];\n            Object rightFork = forks[(i + 1) % NUM_PHILOSOPHERS];\n\n            philosophers[i] = new Philosopher(i, leftFork, rightFork);\n            philosophers[i].start();\n        }\n\n        \/\/ \u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u5f88\u53ef\u80fd\u53d1\u751f\u6b7b\u9501\uff01\n        \/\/ \u6240\u6709\u54f2\u5b66\u5bb6\u90fd\u62ff\u7740\u5de6\u53c9\u5b50\uff0c\u7b49\u5f85\u53f3\u53c9\u5b50...\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                            2. \u6b7b\u9501\u9884\u9632\u4e0e\u907f\u514d\u7b56\u7565<\/strong><\/h3>\n\n\n\n
                                                                            # \u89e3\u51b3\u65b9\u68481\uff1a\u8d44\u6e90\u6392\u5e8f\uff08\u7834\u574f\u5faa\u73af\u7b49\u5f85\uff09\nclass SafePhilosopher(threading.Thread):\n    def __init__(self, philosopher_id, forks):\n        super().__init__()\n        self.id = philosopher_id\n        self.forks = forks\n        # \u5173\u952e\uff1a\u603b\u662f\u5148\u62ff\u7f16\u53f7\u5c0f\u7684\u53c9\u5b50\n        self.first_fork = min(philosopher_id, (philosopher_id + 1) % len(forks))\n        self.second_fork = max(philosopher_id, (philosopher_id + 1) % len(forks))\n\n    def run(self):\n        while True:\n            # \u6309\u987a\u5e8f\u83b7\u53d6\u9501\n            with self.forks[self.first_fork]:\n                with self.forks[self.second_fork]:\n                    print(f\"\u54f2\u5b66\u5bb6 {self.id} \u5f00\u59cb\u5403\u996d\")\n                    time.sleep(0.1)\n            print(f\"\u54f2\u5b66\u5bb6 {self.id} \u601d\u8003\u4e2d\")\n            time.sleep(0.1)\n\n# \u89e3\u51b3\u65b9\u68482\uff1a\u8d85\u65f6\u673a\u5236\uff08\u7834\u574f\u5360\u6709\u5e76\u7b49\u5f85\uff09\nimport threading\nimport time\n\nclass TimeoutLock:\n    def __init__(self):\n        self.lock = threading.Lock()\n\n    def acquire_with_timeout(self, timeout=1.0):\n        \"\"\"\u5c1d\u8bd5\u83b7\u53d6\u9501\uff0c\u8d85\u65f6\u5219\u653e\u5f03\"\"\"\n        start = time.time()\n        while time.time() - start < timeout:\n            if self.lock.acquire(blocking=False):  # \u975e\u963b\u585e\u5c1d\u8bd5\n                return True\n            time.sleep(0.01)  # \u77ed\u6682\u7b49\u5f85\u540e\u91cd\u8bd5\n        return False\n\n    def release(self):\n        self.lock.release()\n\n# \u89e3\u51b3\u65b9\u68483\uff1a\u94f6\u884c\u5bb6\u7b97\u6cd5\uff08\u907f\u514d\u6b7b\u9501\uff09\nclass BankersAlgorithm:\n    \"\"\"\u7b80\u5316\u7248\u94f6\u884c\u5bb6\u7b97\u6cd5\uff1a\u907f\u514d\u4e0d\u5b89\u5168\u72b6\u6001\"\"\"\n    def __init__(self, total_resources):\n        self.total = total_resources\n        self.available = total_resources.copy()\n        self.max_claim = {}  # \u7ebf\u7a0b\u6700\u5927\u9700\u6c42\n        self.allocated = {}  # \u5df2\u5206\u914d\u8d44\u6e90\n\n    def request_resources(self, thread_id, request):\n        \"\"\"\u8bf7\u6c42\u8d44\u6e90\uff0c\u5982\u679c\u4f1a\u5bfc\u81f4\u4e0d\u5b89\u5168\u72b6\u6001\u5219\u62d2\u7edd\"\"\"\n        # 1. \u68c0\u67e5\u8bf7\u6c42\u662f\u5426\u8d85\u8fc7\u6700\u5927\u9700\u6c42\n        if any(request[i] > self.max_claim[thread_id][i] - self.allocated[thread_id][i]\n               for i in range(len(request))):\n            return False\n\n        # 2. \u68c0\u67e5\u662f\u5426\u6709\u8db3\u591f\u8d44\u6e90\n        if any(request[i] > self.available[i] for i in range(len(request))):\n            return False\n\n        # 3. \u5c1d\u8bd5\u5206\u914d\uff0c\u68c0\u67e5\u662f\u5426\u5b89\u5168\n        # \u6a21\u62df\u5206\u914d\n        old_available = self.available.copy()\n        old_allocated = self.allocated[thread_id].copy()\n\n        for i in range(len(request)):\n            self.available[i] -= request[i]\n            self.allocated[thread_id][i] += request[i]\n\n        if not self.is_safe_state():\n            # \u4e0d\u5b89\u5168\uff0c\u6062\u590d\u539f\u72b6\n            self.available = old_available\n            self.allocated[thread_id] = old_allocated\n            return False\n\n        return True\n\n    def is_safe_state(self):\n        \"\"\"\u68c0\u67e5\u5f53\u524d\u72b6\u6001\u662f\u5426\u5b89\u5168\"\"\"\n        work = self.available.copy()\n        finish = {tid: False for tid in self.allocated}\n\n        while True:\n            # \u5bfb\u627e\u80fd\u6ee1\u8db3\u7684\u7ebf\u7a0b\n            found = False\n            for tid, allocated in self.allocated.items():\n                if not finish[tid]:\n                    # \u68c0\u67e5\u8be5\u7ebf\u7a0b\u7684\u9700\u6c42\u662f\u5426\u80fd\u6ee1\u8db3\n                    need = [self.max_claim[tid][i] - allocated[i] \n                           for i in range(len(self.total))]\n\n                    if all(need[i] <= work[i] for i in range(len(need))):\n                        # \u53ef\u4ee5\u6ee1\u8db3\uff0c\u6a21\u62df\u5b8c\u6210\n                        for i in range(len(work)):\n                            work[i] += allocated[i]\n                        finish[tid] = True\n                        found = True\n\n            if not found:\n                break\n\n        # \u5982\u679c\u6240\u6709\u7ebf\u7a0b\u90fd\u80fd\u5b8c\u6210\uff0c\u5219\u662f\u5b89\u5168\u72b6\u6001\n        return all(finish.values())<\/code><\/pre>\n\n\n\n
                                                                            \u516b\u3001\u73b0\u4ee3\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n\n\n\n
                                                                            1. \u4f7f\u7528\u9ad8\u7ea7\u5e76\u53d1\u5de5\u5177<\/strong><\/h3>\n\n\n\n
                                                                            \/\/ Java\u5e76\u53d1\u5de5\u5177\u5305\u793a\u4f8b\nimport java.util.concurrent.*;\n\npublic class ConcurrentTools {\n    \/\/ 1. \u7ebf\u7a0b\u6c60\uff08\u907f\u514d\u9891\u7e41\u521b\u5efa\u7ebf\u7a0b\uff09\n    private final ExecutorService executor = Executors.newFixedThreadPool(4);\n\n    \/\/ 2. Future\u83b7\u53d6\u5f02\u6b65\u7ed3\u679c\n    public Future<Integer> calculateAsync() {\n        return executor.submit(() -> {\n            Thread.sleep(1000);\n            return 42;\n        });\n    }\n\n    \/\/ 3. CountDownLatch\uff08\u7b49\u5f85\u591a\u4e2a\u4efb\u52a1\u5b8c\u6210\uff09\n    public void waitForTasks() throws InterruptedException {\n        int taskCount = 5;\n        CountDownLatch latch = new CountDownLatch(taskCount);\n\n        for (int i = 0; i < taskCount; i++) {\n            executor.submit(() -> {\n                try {\n                    \/\/ \u6267\u884c\u4efb\u52a1\n                    Thread.sleep(100);\n                } finally {\n                    latch.countDown();  \/\/ \u4efb\u52a1\u5b8c\u6210\n                }\n            });\n        }\n\n        latch.await();  \/\/ \u7b49\u5f85\u6240\u6709\u4efb\u52a1\u5b8c\u6210\n        System.out.println(\"\u6240\u6709\u4efb\u52a1\u5b8c\u6210\");\n    }\n\n    \/\/ 4. CyclicBarrier\uff08\u7ebf\u7a0b\u540c\u6b65\u70b9\uff09\n    public void useBarrier() {\n        int threadCount = 3;\n        CyclicBarrier barrier = new CyclicBarrier(threadCount, \n            () -> System.out.println(\"\u6240\u6709\u7ebf\u7a0b\u5230\u8fbe\u5c4f\u969c\"));\n\n        for (int i = 0; i < threadCount; i++) {\n            final int id = i;\n            executor.submit(() -> {\n                System.out.println(\"\u7ebf\u7a0b\" + id + \"\u5f00\u59cb\u5de5\u4f5c\");\n                Thread.sleep(100 * (id + 1));\n                System.out.println(\"\u7ebf\u7a0b\" + id + \"\u5230\u8fbe\u5c4f\u969c\");\n                barrier.await();  \/\/ \u7b49\u5f85\u5176\u4ed6\u7ebf\u7a0b\n                System.out.println(\"\u7ebf\u7a0b\" + id + \"\u7ee7\u7eed\u6267\u884c\");\n                return null;\n            });\n        }\n    }\n\n    \/\/ 5. ConcurrentHashMap\uff08\u7ebf\u7a0b\u5b89\u5168\u96c6\u5408\uff09\n    public void useConcurrentMap() {\n        ConcurrentHashMap<String, Integer> map = new ConcurrentHashMap<>();\n\n        \/\/ \u539f\u5b50\u64cd\u4f5c\n        map.putIfAbsent(\"key\", 1);\n        map.computeIfPresent(\"key\", (k, v) -> v + 1);\n\n        \/\/ \u5e76\u884c\u5904\u7406\n        map.forEachKey(2, k -> System.out.println(\"Key: \" + k));\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                            2. \u65e0\u9501\u7f16\u7a0b\u4e0e\u539f\u5b50\u64cd\u4f5c<\/strong><\/h3>\n\n\n\n
                                                                            # Python\u4e2d\u7684\u539f\u5b50\u64cd\u4f5c\u548c\u65e0\u9501\u6570\u636e\u7ed3\u6784\nimport threading\nimport time\nfrom concurrent.futures import ThreadPoolExecutor\n\n# \u4f7f\u7528\u539f\u5b50\u64cd\u4f5c\uff08\u907f\u514d\u9501\uff09\nclass AtomicCounter:\n    def __init__(self):\n        self._value = 0\n        self._lock = threading.Lock()\n\n    def increment(self):\n        with self._lock:\n            self._value += 1\n\n    def get_value(self):\n        with self._lock:\n            return self._value\n\n# \u4f7f\u7528threading.local\u5b9e\u73b0\u7ebf\u7a0b\u5c40\u90e8\u5b58\u50a8\nclass ThreadLocalExample:\n    def __init__(self):\n        self.local_data = threading.local()\n\n    def set_value(self, value):\n        self.local_data.value = value\n\n    def get_value(self):\n        return getattr(self.local_data, 'value', None)\n\n# \u65e0\u9501\u961f\u5217\uff08\u7b80\u5316\u7248\uff09\nimport queue  # Python\u7684queue\u6a21\u5757\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\n\ndef producer_consumer_with_queue():\n    q = queue.Queue(maxsize=5)\n\n    def producer():\n        for i in range(10):\n            q.put(i)\n            print(f\"\u751f\u4ea7: {i}\")\n            time.sleep(0.1)\n\n    def consumer():\n        while True:\n            try:\n                item = q.get(timeout=1)\n                print(f\"\u6d88\u8d39: {item}\")\n                q.task_done()\n                time.sleep(0.15)\n            except queue.Empty:\n                break\n\n    # \u542f\u52a8\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\n    with ThreadPoolExecutor(max_workers=3) as executor:\n        executor.submit(producer)\n        executor.submit(consumer)\n        executor.submit(consumer)\n\n    q.join()  # \u7b49\u5f85\u6240\u6709\u4efb\u52a1\u5b8c\u6210\n    print(\"\u6240\u6709\u4efb\u52a1\u5904\u7406\u5b8c\u6210\")<\/code><\/pre>\n\n\n\n
                                                                            3. \u7ebf\u7a0b\u5b89\u5168\u7684\u8bbe\u8ba1\u6a21\u5f0f<\/strong><\/h3>\n\n\n\n
                                                                            \/\/ 1. \u4e0d\u53ef\u53d8\u5bf9\u8c61\u6a21\u5f0f\uff08\u5929\u751f\u7ebf\u7a0b\u5b89\u5168\uff09\nfinal class ImmutablePoint {\n    private final int x;\n    private final int y;\n\n    public ImmutablePoint(int x, int y) {\n        this.x = x;\n        this.y = y;\n    }\n\n    public int getX() { return x; }\n    public int getY() { return y; }\n\n    \/\/ \u8fd4\u56de\u65b0\u5bf9\u8c61\u800c\u4e0d\u662f\u4fee\u6539\u73b0\u6709\u5bf9\u8c61\n    public ImmutablePoint translate(int dx, int dy) {\n        return new ImmutablePoint(x + dx, y + dy);\n    }\n}\n\n\/\/ 2. \u7ebf\u7a0b\u7279\u5b9a\u5b58\u50a8\u6a21\u5f0f\nclass ThreadLocalStorage {\n    private static final ThreadLocal<SimpleDateFormat> dateFormat =\n        ThreadLocal.withInitial(() -> new SimpleDateFormat(\"yyyy-MM-dd\"));\n\n    public String formatDate(Date date) {\n        return dateFormat.get().format(date);\n    }\n}\n\n\/\/ 3. \u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f\uff08\u7ebf\u7a0b\u5b89\u5168\u7684\u4e8b\u4ef6\u5904\u7406\uff09\nimport java.util.concurrent.CopyOnWriteArrayList;\n\nclass EventBus {\n    private final CopyOnWriteArrayList<EventListener> listeners =\n        new CopyOnWriteArrayList<>();\n\n    public void subscribe(EventListener listener) {\n        listeners.add(listener);\n    }\n\n    public void publish(Event event) {\n        for (EventListener listener : listeners) {\n            listener.onEvent(event);\n        }\n    }\n}\n\ninterface EventListener {\n    void onEvent(Event event);\n}<\/code><\/pre>\n\n\n\n
                                                                            \u4e5d\u3001\u591a\u7ebf\u7a0b\u8c03\u8bd5\u4e0e\u6027\u80fd\u5206\u6790<\/strong><\/h2>\n\n\n\n
                                                                            1. \u5e38\u89c1\u591a\u7ebf\u7a0bBug\u6a21\u5f0f<\/strong><\/h3>\n\n\n\n
                                                                            # \u591a\u7ebf\u7a0b\u8c03\u8bd5\u6280\u5de7\nimport threading\nimport logging\n\n# \u8bbe\u7f6e\u8be6\u7ec6\u65e5\u5fd7\nlogging.basicConfig(\n    level=logging.DEBUG,\n    format='%(asctime)s [%(threadName)s] %(levelname)s: %(message)s'\n)\n\nclass DebuggableThread(threading.Thread):\n    def run(self):\n        logging.debug(f\"\u7ebf\u7a0b {self.name} \u5f00\u59cb\u6267\u884c\")\n        try:\n            super().run()\n        except Exception as e:\n            logging.error(f\"\u7ebf\u7a0b {self.name} \u5f02\u5e38: {e}\")\n        finally:\n            logging.debug(f\"\u7ebf\u7a0b {self.name} \u7ed3\u675f\")\n\n# \u6b7b\u9501\u68c0\u6d4b\nimport threading\nimport time\nimport sys\n\ndef deadlock_detector(interval=5):\n    \"\"\"\u7b80\u5355\u7684\u6b7b\u9501\u68c0\u6d4b\u5668\"\"\"\n    while True:\n        time.sleep(interval)\n        # \u83b7\u53d6\u6240\u6709\u7ebf\u7a0b\u4fe1\u606f\n        for thread in threading.enumerate():\n            print(f\"\u7ebf\u7a0b: {thread.name}, \u72b6\u6001: {thread.is_alive()}\")\n\n        # \u68c0\u67e5\u662f\u5426\u6709\u7ebf\u7a0b\u957f\u65f6\u95f4\u963b\u585e\n        # \u5b9e\u9645\u4e2d\u53ef\u4ee5\u4f7f\u7528\u66f4\u590d\u6742\u7684\u68c0\u6d4b\u903b\u8f91\n\n# \u4f7f\u7528\u94a9\u5b50\u6355\u83b7\u672a\u5904\u7406\u5f02\u5e38\ndef global_exception_handler(args):\n    print(f\"\u7ebf\u7a0b {args.thread.name} \u53d1\u751f\u672a\u6355\u83b7\u5f02\u5e38:\")\n    print(f\"\u5f02\u5e38: {args.exc_type.__name__}: {args.exc_value}\")\n    print(f\"\u5728 {args.thread.ident}\")\n\n# \u8bbe\u7f6e\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668\nthreading.excepthook = global_exception_handler<\/code><\/pre>\n\n\n\n
                                                                            2. \u6027\u80fd\u5206\u6790\u5de5\u5177<\/strong><\/h3>\n\n\n\n
                                                                            # Linux\u6027\u80fd\u5206\u6790\u5de5\u5177\n# 1. top\/htop - \u67e5\u770b\u7cfb\u7edf\u7ebf\u7a0b\nhtop -p $(pgrep -f your_program)\n\n# 2. perf - \u6027\u80fd\u5206\u6790\nperf record -g -p $(pgrep -f your_program)\nperf report\n\n# 3. strace - \u7cfb\u7edf\u8c03\u7528\u8ddf\u8e2a\nstrace -f -p $(pgrep -f your_program)\n\n# Java\u7ebf\u7a0b\u5206\u6790\njstack <pid>  # \u7ebf\u7a0b\u8f6c\u50a8\njconsole      # \u56fe\u5f62\u5316\u76d1\u63a7\njvisualvm     # \u66f4\u5f3a\u5927\u7684\u5206\u6790\u5de5\u5177\n\n# Python\u7ebf\u7a0b\u5206\u6790\nimport threading\nimport sys\n\ndef print_thread_stacks():\n    \"\"\"\u6253\u5370\u6240\u6709\u7ebf\u7a0b\u7684\u5806\u6808\"\"\"\n    for thread_id, frame in sys._current_frames().items():\n        print(f\"\\n=== \u7ebf\u7a0b {thread_id} ===\")\n        for filename, lineno, name, line in traceback.extract_stack(frame):\n            print(f\"  File: {filename}, line {lineno}, in {name}\")\n            if line:\n                print(f\"    {line.strip()}\")<\/code><\/pre>\n\n\n\n
                                                                            \u5341\u3001\u603b\u7ed3\u4e0e\u5c55\u671b<\/strong><\/h2>\n\n\n\n
                                                                            \u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u6838\u5fc3\u8981\u70b9<\/strong><\/h3>\n\n\n\n
                                                                              \n
                                                                            1. \u7406\u89e3\u5e76\u53d1\u672c\u8d28<\/strong>\uff1a\u5e76\u53d1\u662f\u5173\u4e8e\u6b63\u786e\u6027\u548c\u6027\u80fd\u7684\u5e73\u8861\u827a\u672f<\/li>\n\n\n\n
                                                                            2. \u8bc6\u522b\u5171\u4eab\u72b6\u6001<\/strong>\uff1a\u660e\u786e\u54ea\u4e9b\u6570\u636e\u9700\u8981\u4fdd\u62a4\uff0c\u54ea\u4e9b\u53ef\u4ee5\u7ebf\u7a0b\u5c40\u90e8<\/li>\n\n\n\n
                                                                            3. \u9009\u62e9\u5408\u9002\u7684\u540c\u6b65\u673a\u5236<\/strong>\uff1a\u4ece\u7b80\u5355\u7684\u9501\u5230\u9ad8\u7ea7\u5e76\u53d1\u5de5\u5177<\/li>\n\n\n\n
                                                                            4. \u907f\u514d\u5e38\u89c1\u9677\u9631<\/strong>\uff1a\u7ade\u6001\u6761\u4ef6\u3001\u6b7b\u9501\u3001\u6d3b\u9501\u3001\u8d44\u6e90\u9965\u997f<\/li>\n\n\n\n
                                                                            5. \u6d4b\u8bd5\u4e0e\u8c03\u8bd5<\/strong>\uff1a\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u9700\u8981\u7279\u6b8a\u7684\u6d4b\u8bd5\u65b9\u6cd5<\/li>\n<\/ol>\n\n\n\n
                                                                              \u591a\u7ebf\u7a0b\u7684\u5c40\u9650\u6027<\/strong><\/h3>\n\n\n\n
                                                                                \n
                                                                              1. \u590d\u6742\u6027<\/strong>\uff1a\u6b63\u786e\u6027\u96be\u4ee5\u4fdd\u8bc1\uff0c\u8c03\u8bd5\u56f0\u96be<\/li>\n\n\n\n
                                                                              2. \u53ef\u6269\u5c55\u6027<\/strong>\uff1aAmdahl\u5b9a\u5f8b\u9650\u5236\uff08\u4e32\u884c\u90e8\u5206\u7684\u74f6\u9888\uff09<\/li>\n\n\n\n
                                                                              3. \u786e\u5b9a\u6027<\/strong>\uff1a\u7ed3\u679c\u53ef\u80fd\u975e\u786e\u5b9a\uff0c\u96be\u4ee5\u91cd\u73b0Bug<\/li>\n<\/ol>\n\n\n\n
                                                                                \u8d85\u8d8a\u591a\u7ebf\u7a0b\uff1a\u5176\u4ed6\u5e76\u53d1\u6a21\u578b<\/strong><\/h3>\n\n\n\n
                                                                                  \n
                                                                                1. Actor\u6a21\u578b<\/strong>\uff08Erlang, Akka\uff09\uff1a\u901a\u8fc7\u6d88\u606f\u4f20\u9012\u800c\u975e\u5171\u4eab\u5185\u5b58<\/li>\n\n\n\n
                                                                                2. CSP\u6a21\u578b<\/strong>\uff08Go\uff09\uff1a\u901a\u8fc7channel\u901a\u4fe1<\/li>\n\n\n\n
                                                                                3. \u5f02\u6b65\/await<\/strong>\uff08C#, JavaScript, Python\uff09\uff1a\u57fa\u4e8e\u4e8b\u4ef6\u5faa\u73af<\/li>\n\n\n\n
                                                                                4. \u6570\u636e\u5e76\u884c<\/strong>\uff08OpenMP, CUDA\uff09\uff1a\u9002\u7528\u4e8e\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1<\/li>\n<\/ol>\n\n\n\n
                                                                                  \u73b0\u4ee3\u5e76\u53d1\u7f16\u7a0b\u5efa\u8bae<\/strong><\/h3>\n\n\n\n
                                                                                    \n
                                                                                  1. \u4f18\u5148\u4f7f\u7528\u9ad8\u7ea7\u62bd\u8c61<\/strong>\uff1a\u7ebf\u7a0b\u6c60\u3001Future\u3001\u5f02\u6b65\u6d41<\/li>\n\n\n\n
                                                                                  2. \u5c3d\u91cf\u51cf\u5c11\u5171\u4eab\u72b6\u6001<\/strong>\uff1a\u4f7f\u7528\u4e0d\u53ef\u53d8\u6570\u636e\u3001\u7ebf\u7a0b\u5c40\u90e8\u5b58\u50a8<\/li>\n\n\n\n
                                                                                  3. \u5408\u7406\u8bbe\u7f6e\u7ebf\u7a0b\u6570\u91cf<\/strong>\uff1aI\/O\u5bc6\u96c6\u578b vs CPU\u5bc6\u96c6\u578b<\/li>\n\n\n\n
                                                                                  4. \u76d1\u63a7\u548c\u5ea6\u91cf<\/strong>\uff1a\u4f7f\u7528APM\u5de5\u5177\u76d1\u63a7\u7ebf\u7a0b\u72b6\u6001<\/li>\n\n\n\n
                                                                                  5. \u6301\u7eed\u5b66\u4e60<\/strong>\uff1a\u4e86\u89e3\u65b0\u5e76\u53d1\u6a21\u578b\u548c\u8bed\u8a00\u7279\u6027<\/li>\n<\/ol>\n\n\n\n
                                                                                    \u6700\u7ec8\u601d\u8003<\/strong>\uff1a\u591a\u7ebf\u7a0b\u5171\u4eab\u5185\u5b58\u6a21\u578b\u662f\u5e76\u53d1\u7f16\u7a0b\u7684”\u6c47\u7f16\u8bed\u8a00”\u2014\u2014\u5f3a\u5927\u4f46\u5371\u9669\u3002\u7406\u89e3\u5b83\u7684\u539f\u7406\u5bf9\u4e8e\u4f7f\u7528\u66f4\u9ad8\u7ea7\u7684\u5e76\u53d1\u62bd\u8c61\u81f3\u5173\u91cd\u8981\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5e94\u8be5\uff1a<\/p>\n\n\n\n
                                                                                      \n
                                                                                    • 80%\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u9ad8\u7ea7\u5e76\u53d1\u62bd\u8c61\uff08\u5982async\/await\uff09<\/li>\n\n\n\n
                                                                                    • 15%\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u5e76\u53d1\u5de5\u5177\u5305\uff08\u5982Java\u5e76\u53d1\u5305\uff09<\/li>\n\n\n\n
                                                                                    • \u53ea\u67095%\u7684\u60c5\u51b5\u4e0b\u9700\u8981\u76f4\u63a5\u64cd\u4f5c\u9501\u548c\u7ebf\u7a0b<\/li>\n<\/ul>\n\n\n\n
                                                                                      \u8bb0\u4f4f\uff1a\u6b63\u786e\u7684\u5e76\u53d1\u7a0b\u5e8f > \u9ad8\u6027\u80fd\u7684\u5e76\u53d1\u7a0b\u5e8f > \u9519\u8bef\u7684\u5e76\u53d1\u7a0b\u5e8f<\/strong>\u3002\u9996\u5148\u786e\u4fdd\u6b63\u786e\u6027\uff0c\u518d\u8003\u8651\u4f18\u5316\u6027\u80fd\u3002\u5e76\u53d1\u7f16\u7a0b\u662f\u4e00\u573a\u6301\u7eed\u7684\u5b66\u4e60\u4e4b\u65c5\uff0c\u4f46\u638c\u63e1\u5b83\u5c06\u4f7f\u4f60\u80fd\u591f\u6784\u5efa\u51fa\u771f\u6b63\u5f3a\u5927\u3001\u9ad8\u6548\u7684\u8f6f\u4ef6\u7cfb\u7edf\u3002<\/p>\n\n\n\n
                                                                                      \u7b2c66\u8bfe\uff1a\u5e76\u53d1\u6a21\u578b\u8fdb\u9636 \u2014\u2014 Actor\u6a21\u578b\u4e0e\u5f02\u6b65\/\u534f\u7a0b<\/strong><\/h1>\n\n\n\n
                                                                                      \u4e00\u3001\u4ece\u5171\u4eab\u5185\u5b58\u5230\u6d88\u606f\u4f20\u9012\u7684\u6f14\u8fdb<\/strong><\/h2>\n\n\n\n
                                                                                      \u5728\u638c\u63e1\u4e86\u591a\u7ebf\u7a0b\u5171\u4eab\u5185\u5b58\u6a21\u578b\u7684\u6311\u6218\u540e\uff08\u7b2c65\u8bfe\uff09\uff0c\u6211\u4eec\u81ea\u7136\u8981\u95ee\uff1a\u6709\u6ca1\u6709\u66f4\u597d\u7684\u5e76\u53d1\u7f16\u7a0b\u65b9\u5f0f\uff1f<\/strong> \u7b54\u6848\u6765\u81ea\u4e24\u4e2a\u65b9\u5411\uff1aActor\u6a21\u578b<\/strong>\u548c\u5f02\u6b65\/\u534f\u7a0b\u6a21\u578b<\/strong>\u3002\u5b83\u4eec\u90fd\u8bd5\u56fe\u89e3\u51b3\u5171\u4eab\u5185\u5b58\u6a21\u578b\u7684\u6838\u5fc3\u75db\u70b9\uff0c\u4f46\u91c7\u7528\u4e86\u622a\u7136\u4e0d\u540c\u7684\u54f2\u5b66\u3002<\/p>\n\n\n\n
                                                                                      \u5173\u952e\u6d1e\u5bdf<\/strong>\uff1a<\/p>\n\n\n\n
                                                                                        \n
                                                                                      • Actor\u6a21\u578b<\/strong>\uff1a\u5c06\u5e76\u53d1\u5355\u5143\uff08Actor\uff09\u5b8c\u5168\u9694\u79bb<\/strong>\uff0c\u901a\u8fc7\u6d88\u606f\u4f20\u9012<\/strong>\u901a\u4fe1\uff0c\u4ece\u6839\u672c\u4e0a\u6d88\u9664\u5171\u4eab\u72b6\u6001\u3002<\/li>\n\n\n\n
                                                                                      • \u5f02\u6b65\/\u534f\u7a0b<\/strong>\uff1a\u901a\u8fc7\u534f\u4f5c\u5f0f\u591a\u4efb\u52a1<\/strong>\u800c\u975e\u62a2\u5360\u5f0f\u591a\u4efb\u52a1\uff0c\u5728\u5355\u7ebf\u7a0b\u5185\u5b9e\u73b0\u9ad8\u5e76\u53d1\uff0c\u907f\u514d\u9501\u548c\u7ebf\u7a0b\u5207\u6362\u5f00\u9500\u3002<\/li>\n<\/ul>\n\n\n\n
                                                                                        \u8fd9\u4e24\u79cd\u6a21\u578b\u4ee3\u8868\u4e86\u5e76\u53d1\u7f16\u7a0b\u7684\u58f0\u660e\u5f0f\u601d\u7ef4<\/strong>\uff1a\u63cf\u8ff0”\u4ec0\u4e48\u8be5\u53d1\u751f”\uff0c\u800c\u975e”\u5982\u4f55\u540c\u6b65”\u3002<\/p>\n\n\n\n
                                                                                        \u4e8c\u3001Actor\u6a21\u578b\uff1a\u4e07\u7269\u7686Actor<\/strong><\/h2>\n\n\n\n
                                                                                        1. \u6838\u5fc3\u601d\u60f3\uff1a\u9694\u79bb\u4e0e\u6d88\u606f\u4f20\u9012<\/strong><\/h3>\n\n\n\n
                                                                                        Actor\u6a21\u578b\u7531Carl Hewitt\u4e8e1973\u5e74\u63d0\u51fa\uff0c\u5176\u6838\u5fc3\u539f\u5219\u662f\uff1a<\/p>\n\n\n\n
                                                                                          \n
                                                                                        1. \u6bcf\u4e2aActor\u662f\u4e00\u4e2a\u72ec\u7acb\u8ba1\u7b97\u5b9e\u4f53<\/strong><\/li>\n\n\n\n
                                                                                        2. Actor\u4e4b\u95f4\u4e0d\u5171\u4eab\u5185\u5b58<\/strong><\/li>\n\n\n\n
                                                                                        3. \u901a\u4fe1\u53ea\u80fd\u901a\u8fc7\u5f02\u6b65\u6d88\u606f\u4f20\u9012<\/strong><\/li>\n\n\n\n
                                                                                        4. \u6bcf\u4e2aActor\u6309\u987a\u5e8f\u5904\u7406\u6d88\u606f<\/strong><\/li>\n<\/ol>\n\n\n\n
                                                                                          %% Erlang\u793a\u4f8b\uff1a\u7ecf\u5178\u7684Actor\u98ce\u683c\n-module(calculator).\n-export([start\/0, add\/2, get_result\/1, stop\/1]).\n\n% Actor\u72b6\u6001\uff1a\u8fdb\u7a0bID\u548c\u5f53\u524d\u503c\n-record(state, {pid, value=0}).\n\nstart() ->\n    % \u521b\u5efa\u4e00\u4e2a\u65b0\u7684Actor\uff08Erlang\u8fdb\u7a0b\uff09\n    Pid = spawn(fun() -> loop(0) end),\n    #state{pid=Pid}.\n\n% \u6d88\u606f\u4f20\u9012\u63a5\u53e3\nadd(Calculator, Number) ->\n    #state{pid=Pid} = Calculator,\n    Pid ! {add, Number}.  % \u5f02\u6b65\u53d1\u9001\u6d88\u606f\uff0c\u4e0d\u7b49\u5f85\u56de\u590d\n\nget_result(Calculator) ->\n    #state{pid=Pid} = Calculator,\n    Pid ! {get_result, self()},  % \u53d1\u9001\u8bf7\u6c42\uff0c\u5305\u542b\u8fd4\u56de\u5730\u5740\n    receive\n        {result, Value} -> Value  % \u540c\u6b65\u7b49\u5f85\u56de\u590d\n    after 5000 -> timeout\n    end.\n\nstop(Calculator) ->\n    #state{pid=Pid} = Calculator,\n    Pid ! stop.\n\n% Actor\u7684\u4e3b\u5faa\u73af\nloop(Value) ->\n    receive  % \u7b49\u5f85\u6d88\u606f\uff08\u963b\u585e\u5728\u90ae\u7bb1\uff09\n        {add, Number} ->\n            NewValue = Value + Number,\n            loop(NewValue);  % \u66f4\u65b0\u72b6\u6001\uff0c\u7ee7\u7eed\u5faa\u73af\n\n        {get_result, From} ->\n            From ! {result, Value},  % \u53d1\u9001\u56de\u590d\n            loop(Value);\n\n        stop ->\n            io:format(\"Calculator stopping~n\");\n\n        Unknown ->\n            io:format(\"Unknown message: ~p~n\", [Unknown]),\n            loop(Value)\n    end.\n\n% \u4f7f\u7528\u793a\u4f8b\nmain() ->\n    Calc = calculator:start(),\n    calculator:add(Calc, 5),\n    calculator:add(Calc, 3),\n    Result = calculator:get_result(Calc),  % \u8fd4\u56de8\n    calculator:stop(Calc).<\/code><\/pre>\n\n\n\n
                                                                                          \n
                                                                                          \u6ce8\u91ca<\/strong>\uff1aErlang\u7684\u8fdb\u7a0b\u662f\u771f\u6b63\u7684Actor\u2014\u2014\u8f7b\u91cf\u7ea7\uff08\u7ea62KB\u5185\u5b58\uff09\u3001\u9694\u79bb\u3001\u901a\u8fc7\u6d88\u606f\u4f20\u9012\u901a\u4fe1\u3002\u6bcf\u4e2a\u8fdb\u7a0b\u6709\u81ea\u5df1\u7684\u90ae\u7bb1\uff0c\u6d88\u606f\u6309\u5230\u8fbe\u987a\u5e8f\u5904\u7406\u3002\u8fd9\u662f”\u8ba9\u8fdb\u7a0b\u5d29\u6e83”\u54f2\u5b66\u7684\u57fa\u7840\uff1a\u4e00\u4e2aActor\u5d29\u6e83\u4e0d\u4f1a\u76f4\u63a5\u5f71\u54cd\u5176\u4ed6Actor\u3002<\/p>\n<\/blockquote>\n\n\n\n
                                                                                          2. Akka\uff1aJVM\u4e0a\u7684Actor\u5b9e\u73b0<\/strong><\/h3>\n\n\n\n
                                                                                          \/\/ Scala + Akka\u793a\u4f8b\nimport akka.actor.{Actor, ActorSystem, Props, ActorRef}\n\n\/\/ \u5b9a\u4e49\u6d88\u606f\uff08\u4e0d\u53ef\u53d8\uff01\uff09\ncase class Add(x: Int)\ncase object GetResult\ncase class Result(value: Int)\n\n\/\/ Actor\u5b9a\u4e49\nclass CalculatorActor extends Actor {\n  private var total = 0\n\n  def receive: Receive = {\n    case Add(x) =>\n      total += x\n      println(s\"Added $x, total is now $total\")\n\n    case GetResult =>\n      sender() ! Result(total)  \/\/ \u56de\u590d\u7ed9\u53d1\u9001\u8005\n\n    case _ =>\n      println(\"Unknown message\")\n  }\n}\n\n\/\/ \u4f7f\u7528ActorSystem\nobject ActorDemo extends App {\n  \/\/ \u521b\u5efaActor\u7cfb\u7edf\n  val system = ActorSystem(\"CalculatorSystem\")\n\n  \/\/ \u521b\u5efaActor\n  val calculator: ActorRef = system.actorOf(Props[CalculatorActor](), \"calculator\")\n\n  \/\/ \u53d1\u9001\u6d88\u606f\uff08\u5f02\u6b65\uff0cfire-and-forget\uff09\n  calculator ! Add(5)  \/\/ ! \u64cd\u4f5c\u7b26\u8868\u793a\"\u544a\u8bc9\"\uff08\u5f02\u6b65\u53d1\u9001\uff09\n  calculator ! Add(3)\n\n  \/\/ \u8bf7\u6c42-\u54cd\u5e94\u6a21\u5f0f\n  import akka.pattern.ask\n  import akka.util.Timeout\n  import scala.concurrent.duration._\n  import scala.concurrent.ExecutionContext.Implicits.global\n\n  implicit val timeout: Timeout = Timeout(5.seconds)\n\n  val futureResult = (calculator ? GetResult).mapTo[Result]\n  futureResult.onComplete {\n    case scala.util.Success(Result(value)) =>\n      println(s\"Result from future: $value\")\n    case scala.util.Failure(ex) =>\n      println(s\"Error: ${ex.getMessage}\")\n  }\n\n  \/\/ \u4f18\u96c5\u5173\u95ed\n  Thread.sleep(1000)\n  system.terminate()\n}<\/code><\/pre>\n\n\n\n
                                                                                          Akka\u7684\u5173\u952e\u7279\u6027<\/strong>\uff1a<\/p>\n\n\n\n
                                                                                            \n
                                                                                          1. \u4f4d\u7f6e\u900f\u660e\u6027<\/strong>\uff1aActor\u53ef\u4ee5\u672c\u5730\u6216\u8fdc\u7a0b\uff0c\u8c03\u7528\u65b9\u5f0f\u76f8\u540c<\/li>\n\n\n\n
                                                                                          2. \u76d1\u7ba1\u7b56\u7565<\/strong>\uff1a\u7236Actor\u53ef\u4ee5\u76d1\u63a7\u548c\u7ba1\u7406\u5b50Actor\u7684\u751f\u547d\u5468\u671f<\/li>\n\n\n\n
                                                                                          3. \u6301\u4e45\u5316<\/strong>\uff1aActor\u72b6\u6001\u53ef\u4ee5\u6301\u4e45\u5316\uff0c\u5d29\u6e83\u540e\u6062\u590d<\/li>\n\n\n\n
                                                                                          4. \u96c6\u7fa4\u652f\u6301<\/strong>\uff1aActor\u53ef\u4ee5\u5206\u5e03\u5728\u591a\u53f0\u673a\u5668\u4e0a<\/li>\n<\/ol>\n\n\n\n
                                                                                            3. Actor\u6a21\u578b\u7684\u4f18\u52bf\u4e0e\u9002\u7528\u573a\u666f<\/strong><\/h3>\n\n\n\n
                                                                                            \u4f18\u52bf<\/strong>\uff1a<\/p>\n\n\n\n
                                                                                              \n
                                                                                            1. \u65e0\u5171\u4eab\u72b6\u6001<\/strong>\uff1a\u5929\u7136\u907f\u514d\u7ade\u6001\u6761\u4ef6\u548c\u9501<\/li>\n\n\n\n
                                                                                            2. \u5f3a\u9694\u79bb\u6027<\/strong>\uff1a\u9519\u8bef\u4e0d\u4f1a\u4f20\u64ad\uff0c\u4e00\u4e2aActor\u5d29\u6e83\u4e0d\u5f71\u54cd\u7cfb\u7edf\u5176\u4ed6\u90e8\u5206<\/li>\n\n\n\n
                                                                                            3. \u4f4d\u7f6e\u900f\u660e<\/strong>\uff1a\u672c\u5730\u548c\u5206\u5e03\u5f0f\u7f16\u7a0b\u6a21\u578b\u4e00\u81f4<\/li>\n\n\n\n
                                                                                            4. \u5f39\u6027\u4e0e\u5bb9\u9519<\/strong>\uff1a\u901a\u8fc7”\u4efb\u5176\u5d29\u6e83”\u548c\u76d1\u7ba1\u6811\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027<\/li>\n<\/ol>\n\n\n\n
                                                                                              \u9002\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n\n\n\n
                                                                                                \n
                                                                                              • \u7535\u4fe1\u7cfb\u7edf<\/strong>\uff1aErlang\u7684\u8d77\u6e90\uff0c\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5<\/li>\n\n\n\n
                                                                                              • \u5b9e\u65f6\u7cfb\u7edf<\/strong>\uff1aWhatsApp\u3001RabbitMQ\uff08\u7528Erlang\u6784\u5efa\uff09<\/li>\n\n\n\n
                                                                                              • \u6e38\u620f\u670d\u52a1\u5668<\/strong>\uff1a\u6bcf\u4e2a\u73a9\u5bb6\u6216\u623f\u95f4\u4f5c\u4e3a\u4e00\u4e2aActor<\/li>\n\n\n\n
                                                                                              • \u7269\u8054\u7f51<\/strong>\uff1a\u6bcf\u4e2a\u8bbe\u5907\u4f5c\u4e3a\u4e00\u4e2aActor<\/li>\n<\/ul>\n\n\n\n
                                                                                                %% Erlang\u76d1\u7ba1\u6811\u793a\u4f8b\uff1a\u6784\u5efa\u5bb9\u9519\u7cfb\u7edf\n-module(supervisor_example).\n-behaviour(supervisor).\n\n-export([start_link\/0, init\/1]).\n\nstart_link() ->\n    supervisor:start_link({local, ?MODULE}, ?MODULE, []).\n\ninit([]) ->\n    % \u5b9a\u4e49\u5b50\u8fdb\u7a0b\u89c4\u8303\n    ChildSpecs = [\n        % Worker 1\n        {calculator1, \n         {calculator, start_link, []},\n         permanent,      % \u91cd\u542f\u7b56\u7565\uff1a\u603b\u662f\u91cd\u542f\n         1000,           % \u5173\u95ed\u8d85\u65f6\n         worker,         % \u7c7b\u578b\uff1aworker\n         [calculator]},  % \u56de\u8c03\u6a21\u5757\n\n        % Worker 2\n        {calculator2,\n         {calculator, start_link, []},\n         transient,      % \u53ea\u5728\u5f02\u5e38\u9000\u51fa\u65f6\u91cd\u542f\n         1000,\n         worker,\n         [calculator]}\n    ],\n\n    % \u76d1\u7ba1\u7b56\u7565\n    SupFlags = #{strategy => one_for_one,  % \u4e00\u4e2a\u5b50\u8fdb\u7a0b\u5d29\u6e83\uff0c\u53ea\u91cd\u542f\u5b83\n                 intensity => 3,           % 3\u6b21\u91cd\u542f\u5c1d\u8bd5\n                 period => 60},            % \u572860\u79d2\u5185\n\n    {ok, {SupFlags, ChildSpecs}}.<\/code><\/pre>\n\n\n\n
                                                                                                \n
                                                                                                \u6ce8\u91ca<\/strong>\uff1aActor\u6a21\u578b\u7684\u76d1\u7ba1\u6811\u7c7b\u4f3c\u4e8e\u73b0\u5b9e\u4e16\u754c\u7684\u7ec4\u7ec7\u67b6\u6784\uff1a\u6bcf\u4e2a\u7ba1\u7406\u8005\u8d1f\u8d23\u4e0b\u5c5e\u7684”\u5065\u5eb7”\uff0c\u4e0b\u5c5e\u5d29\u6e83\u65f6\u7ba1\u7406\u8005\u51b3\u5b9a\u5982\u4f55\u5904\u7406\u3002\u8fd9\u79cd”\u4efb\u5176\u5d29\u6e83”\u54f2\u5b66\u8ba4\u4e3a\uff0c\u4e0e\u5176\u7f16\u5199\u590d\u6742\u7684\u9519\u8bef\u5904\u7406\u4ee3\u7801\uff0c\u4e0d\u5982\u8ba9\u8fdb\u7a0b\u5d29\u6e83\u5e76\u91cd\u542f\u5230\u5df2\u77e5\u826f\u597d\u72b6\u6001\u3002<\/p>\n<\/blockquote>\n\n\n\n
                                                                                                \u4e09\u3001\u5f02\u6b65\/\u534f\u7a0b\u6a21\u578b\uff1a\u534f\u4f5c\u5f0f\u5e76\u53d1<\/strong><\/h2>\n\n\n\n
                                                                                                1. \u4ece\u56de\u8c03\u5730\u72f1\u5230async\/await<\/strong><\/h3>\n\n\n\n
                                                                                                \u5f02\u6b65\u7f16\u7a0b\u7684\u6f14\u8fdb\u53cd\u6620\u4e86\u5f00\u53d1\u8005\u5bf9\u66f4\u9ad8\u5c42\u6b21\u62bd\u8c61\u7684\u8ffd\u6c42\uff1a<\/p>\n\n\n\n
                                                                                                \/\/ JavaScript\u5f02\u6b65\u7f16\u7a0b\u7684\u6f14\u8fdb\n\/\/ 1. \u56de\u8c03\u5730\u72f1\uff08Callback Hell\uff09\nfunction oldWay() {\n    readFile('file1.txt', (err, data1) => {\n        if (err) throw err;\n        process(data1, (err, result1) => {\n            if (err) throw err;\n            writeFile('output1.txt', result1, (err) => {\n                if (err) throw err;\n                \/\/ \u66f4\u591a\u5d4c\u5957...\n            });\n        });\n    });\n}\n\n\/\/ 2. Promise\u94fe\uff08\u6709\u6240\u6539\u5584\uff09\nfunction promiseWay() {\n    readFilePromise('file1.txt')\n        .then(data => processPromise(data))\n        .then(result => writeFilePromise('output1.txt', result))\n        .catch(err => console.error(err));\n}\n\n\/\/ 3. async\/await\uff08\u540c\u6b65\u98ce\u683c\uff0c\u5f02\u6b65\u6267\u884c\uff09\nasync function modernWay() {\n    try {\n        const data = await readFilePromise('file1.txt');\n        const result = await processPromise(data);\n        await writeFilePromise('output1.txt', result);\n        console.log('\u6240\u6709\u64cd\u4f5c\u5b8c\u6210');\n    } catch (err) {\n        console.error('\u51fa\u9519:', err);\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                                                2. Python\u7684asyncio\uff1a\u4e8b\u4ef6\u5faa\u73af\u534f\u7a0b<\/strong><\/h3>\n\n\n\n
                                                                                                import asyncio\nimport aiohttp  # \u5f02\u6b65HTTP\u5ba2\u6237\u7aef\n\n# \u534f\u7a0b\u5b9a\u4e49\nasync def fetch_url(session, url):\n    \"\"\"\u5f02\u6b65\u83b7\u53d6URL\u5185\u5bb9\"\"\"\n    try:\n        async with session.get(url, timeout=10) as response:\n            return await response.text()\n    except Exception as e:\n        return f\"Error fetching {url}: {e}\"\n\nasync def process_data(data):\n    \"\"\"\u6a21\u62df\u5f02\u6b65\u6570\u636e\u5904\u7406\"\"\"\n    await asyncio.sleep(0.1)  # \u6a21\u62dfI\/O\u7b49\u5f85\n    return len(data)\n\nasync def main():\n    urls = [\n        'https:\/\/httpbin.org\/get',\n        'https:\/\/api.github.com',\n        'https:\/\/www.python.org'\n    ]\n\n    # \u521b\u5efa\u4f1a\u8bdd\u548c\u4efb\u52a1\n    async with aiohttp.ClientSession() as session:\n        tasks = [fetch_url(session, url) for url in urls]\n\n        # \u5e76\u53d1\u6267\u884c\u6240\u6709\u4efb\u52a1\n        results = await asyncio.gather(*tasks, return_exceptions=True)\n\n        # \u5904\u7406\u7ed3\u679c\n        process_tasks = [process_data(str(r)) for r in results]\n        processed = await asyncio.gather(*process_tasks)\n\n        for url, length in zip(urls, processed):\n            print(f\"{url}: {length} chars\")\n\n# \u8fd0\u884c\u4e8b\u4ef6\u5faa\u73af\nif __name__ == '__main__':\n    # Python 3.7+\n    asyncio.run(main())\n\n    # \u624b\u52a8\u63a7\u5236\u4e8b\u4ef6\u5faa\u73af\uff08\u65e7\u7248\u672c\uff09\n    # loop = asyncio.get_event_loop()\n    # loop.run_until_complete(main())\n    # loop.close()<\/code><\/pre>\n\n\n\n
                                                                                                Python asyncio\u7684\u5173\u952e\u6982\u5ff5<\/strong>\uff1a<\/p>\n\n\n\n
                                                                                                  \n
                                                                                                1. \u4e8b\u4ef6\u5faa\u73af\uff08Event Loop\uff09<\/strong>\uff1a\u8c03\u5ea6\u6240\u6709\u534f\u7a0b\u7684\u6838\u5fc3<\/li>\n\n\n\n
                                                                                                2. \u534f\u7a0b\uff08Coroutine\uff09<\/strong>\uff1a\u4f7f\u7528async def<\/code>\u5b9a\u4e49\u7684\u5f02\u6b65\u51fd\u6570<\/li>\n\n\n\n
                                                                                                3. \u4efb\u52a1\uff08Task\uff09<\/strong>\uff1a\u5305\u88c5\u534f\u7a0b\uff0c\u7528\u4e8e\u8c03\u5ea6<\/li>\n\n\n\n
                                                                                                4. Future<\/strong>\uff1a\u8868\u793a\u5f02\u6b65\u64cd\u4f5c\u7684\u6700\u7ec8\u7ed3\u679c<\/li>\n<\/ol>\n\n\n\n
                                                                                                  3. Go\u7684goroutine\uff1a\u8f7b\u91cf\u7ea7\u7ebf\u7a0b<\/strong><\/h3>\n\n\n\n
                                                                                                  package main\n\nimport (\n    \"fmt\"\n    \"io\"\n    \"net\/http\"\n    \"sync\"\n    \"time\"\n)\n\n\/\/ goroutine\u793a\u4f8b\uff1a\u5e76\u53d1\u83b7\u53d6\u7f51\u9875\nfunc fetchURL(url string, wg *sync.WaitGroup, results chan<- string) {\n    defer wg.Done()  \/\/ \u786e\u4fdd\u5b8c\u6210\u65f6\u901a\u77e5WaitGroup\n\n    start := time.Now()\n    resp, err := http.Get(url)\n    if err != nil {\n        results <- fmt.Sprintf(\"\u9519\u8bef\u83b7\u53d6 %s: %v\", url, err)\n        return\n    }\n    defer resp.Body.Close()\n\n    body, err := io.ReadAll(resp.Body)\n    if err != nil {\n        results <- fmt.Sprintf(\"\u9519\u8bef\u8bfb\u53d6 %s: %v\", url, err)\n        return\n    }\n\n    elapsed := time.Since(start)\n    results <- fmt.Sprintf(\"%s: %d\u5b57\u8282, \u8017\u65f6 %v\", url, len(body), elapsed)\n}\n\nfunc main() {\n    urls := []string{\n        \"https:\/\/httpbin.org\/get\",\n        \"https:\/\/api.github.com\",\n        \"https:\/\/www.python.org\",\n        \"https:\/\/golang.org\",\n        \"https:\/\/nodejs.org\",\n    }\n\n    \/\/ \u4f7f\u7528WaitGroup\u7b49\u5f85\u6240\u6709goroutine\u5b8c\u6210\n    var wg sync.WaitGroup\n    results := make(chan string, len(urls))\n\n    \/\/ \u4e3a\u6bcf\u4e2aURL\u542f\u52a8\u4e00\u4e2agoroutine\n    for _, url := range urls {\n        wg.Add(1)\n        go fetchURL(url, &wg, results)  \/\/ go\u5173\u952e\u5b57\u542f\u52a8goroutine\n    }\n\n    \/\/ \u7b49\u5f85\u6240\u6709goroutine\u5b8c\u6210\n    wg.Wait()\n    close(results)\n\n    \/\/ \u6536\u96c6\u7ed3\u679c\n    fmt.Println(\"\u7ed3\u679c:\")\n    for result := range results {\n        fmt.Println(result)\n    }\n\n    \/\/ Channel\u7684\u66f4\u591a\u7528\u6cd5\uff1a\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u6a21\u5f0f\n    dataChan := make(chan int, 10)  \/\/ \u7f13\u51b2channel\n\n    \/\/ \u751f\u4ea7\u8005\n    go func() {\n        for i := 0; i < 20; i++ {\n            dataChan <- i\n            fmt.Printf(\"\u751f\u4ea7: %d\\n\", i)\n            time.Sleep(50 * time.Millisecond)\n        }\n        close(dataChan)\n    }()\n\n    \/\/ \u6d88\u8d39\u8005\n    go func() {\n        for num := range dataChan {\n            fmt.Printf(\"\u6d88\u8d39: %d\\n\", num)\n            time.Sleep(100 * time.Millisecond)\n        }\n    }()\n\n    time.Sleep(3 * time.Second)\n}<\/code><\/pre>\n\n\n\n
                                                                                                  Go\u5e76\u53d1\u6a21\u578b\u7684\u7279\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
                                                                                                    \n
                                                                                                  1. goroutine<\/strong>\uff1a\u6781\u8f7b\u91cf\uff08\u521d\u59cb2KB\uff09\uff0c\u7531Go\u8fd0\u884c\u65f6\u8c03\u5ea6<\/li>\n\n\n\n
                                                                                                  2. channel<\/strong>\uff1a\u7c7b\u578b\u5b89\u5168\u7684\u901a\u4fe1\u7ba1\u9053\uff0c\u652f\u6301\u7f13\u51b2\u548c\u9009\u62e9<\/li>\n\n\n\n
                                                                                                  3. select<\/strong>\uff1a\u591a\u8def\u590d\u7528\uff0c\u7b49\u5f85\u591a\u4e2achannel\u64cd\u4f5c<\/li>\n\n\n\n
                                                                                                  4. \u540c\u6b65\u539f\u8bed<\/strong>\uff1async\u5305\u63d0\u4f9bWaitGroup\u3001Mutex\u7b49<\/li>\n<\/ol>\n\n\n\n
                                                                                                    4. \u5f02\u6b65\/\u534f\u7a0b\u6a21\u578b\u7684\u4f18\u52bf\u4e0e\u6311\u6218<\/strong><\/h3>\n\n\n\n
                                                                                                    \u4f18\u52bf<\/strong>\uff1a<\/p>\n\n\n\n
                                                                                                      \n
                                                                                                    1. \u9ad8\u6027\u80fd<\/strong>\uff1a\u5355\u7ebf\u7a0b\u5904\u7406\u6210\u5343\u4e0a\u4e07\u4e2a\u8fde\u63a5\uff0c\u65e0\u7ebf\u7a0b\u5207\u6362\u5f00\u9500<\/li>\n\n\n\n
                                                                                                    2. \u8d44\u6e90\u9ad8\u6548<\/strong>\uff1a\u534f\u7a0b\u5185\u5b58\u5360\u7528\u5c0f\uff08KB\u7ea7\u522b vs \u7ebf\u7a0b\u7684MB\u7ea7\u522b\uff09<\/li>\n\n\n\n
                                                                                                    3. \u7f16\u7a0b\u6a21\u578b\u7b80\u5355<\/strong>\uff1aasync\/await\u4f7f\u5f02\u6b65\u4ee3\u7801\u50cf\u540c\u6b65\u4ee3\u7801\u4e00\u6837\u6613\u8bfb<\/li>\n\n\n\n
                                                                                                    4. \u65e0\u9501\u7f16\u7a0b<\/strong>\uff1a\u5355\u7ebf\u7a0b\u5185\u65e0\u9700\u9501\uff0c\u907f\u514d\u7ade\u6001\u6761\u4ef6<\/li>\n<\/ol>\n\n\n\n
                                                                                                      \u6311\u6218<\/strong>\uff1a<\/p>\n\n\n\n
                                                                                                        \n
                                                                                                      1. CPU\u5bc6\u96c6\u578b\u4efb\u52a1<\/strong>\uff1a\u53ef\u80fd\u963b\u585e\u4e8b\u4ef6\u5faa\u73af\uff0c\u9700\u8981\u7279\u6b8a\u5904\u7406<\/li>\n\n\n\n
                                                                                                      2. \u9519\u8bef\u5904\u7406<\/strong>\uff1a\u5f02\u6b65\u8c03\u7528\u94fe\u4e2d\u7684\u9519\u8bef\u4f20\u64ad\u9700\u8981\u5c0f\u5fc3\u5904\u7406<\/li>\n\n\n\n
                                                                                                      3. \u56de\u8c03\u5730\u72f1<\/strong>\uff1a\u867d\u7136async\/await\u6539\u5584\uff0c\u4f46\u4e0d\u6b63\u786e\u4f7f\u7528\u4ecd\u53ef\u80fd\u5bfc\u81f4\u590d\u6742\u4ee3\u7801<\/li>\n\n\n\n
                                                                                                      4. \u8c03\u8bd5\u56f0\u96be<\/strong>\uff1a\u5806\u6808\u8ddf\u8e2a\u53ef\u80fd\u4e0d\u5b8c\u6574\uff0c\u6267\u884c\u6d41\u7a0b\u975e\u76f4\u89c2<\/li>\n<\/ol>\n\n\n\n
                                                                                                        \/\/ Node.js\u4e2d\u5904\u7406CPU\u5bc6\u96c6\u578b\u4efb\u52a1\nconst { Worker, isMainThread, parentPort } = require('worker_threads');\n\nasync function handleCPUIntensiveTask() {\n    if (isMainThread) {\n        \/\/ \u4e3b\u7ebf\u7a0b\uff1a\u5c06CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u5206\u6d41\u5230Worker\u7ebf\u7a0b\n        const worker = new Worker(__filename);\n\n        worker.on('message', (result) => {\n            console.log('Worker\u7ed3\u679c:', result);\n        });\n\n        worker.on('error', (err) => {\n            console.error('Worker\u9519\u8bef:', err);\n        });\n\n        worker.on('exit', (code) => {\n            if (code !== 0) {\n                console.error(`Worker\u9000\u51fa\uff0c\u4ee3\u7801: ${code}`);\n            }\n        });\n    } else {\n        \/\/ Worker\u7ebf\u7a0b\uff1a\u6267\u884cCPU\u5bc6\u96c6\u578b\u8ba1\u7b97\n        function heavyComputation() {\n            let sum = 0;\n            for (let i = 0; i < 1e9; i++) {\n                sum += Math.sqrt(i);\n            }\n            return sum;\n        }\n\n        const result = heavyComputation();\n        parentPort.postMessage(result);\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                                                        \u56db\u3001\u4e09\u79cd\u5e76\u53d1\u6a21\u578b\u7684\u5bf9\u6bd4<\/strong><\/h2>\n\n\n\n
                                                                                                        \u7ef4\u5ea6<\/th>\u591a\u7ebf\u7a0b\uff08\u5171\u4eab\u5185\u5b58\uff09<\/th>Actor\u6a21\u578b<\/th>\u5f02\u6b65\/\u534f\u7a0b<\/th><\/tr><\/thead>
                                                                                                        \u901a\u4fe1\u65b9\u5f0f<\/strong><\/td>\u5171\u4eab\u5185\u5b58 + \u9501<\/td>\u6d88\u606f\u4f20\u9012<\/td>\u56de\u8c03\/Promise\/Channel<\/td><\/tr>
                                                                                                        \u5e76\u53d1\u5355\u5143<\/strong><\/td>\u7ebf\u7a0b\uff08\u91cd\uff0cMB\u7ea7\uff09<\/td>Actor\uff08\u8f7b\uff0cKB\u7ea7\uff09<\/td>\u534f\u7a0b\uff08\u6781\u8f7b\uff0cKB\u7ea7\uff09<\/td><\/tr>
                                                                                                        \u8c03\u5ea6\u65b9\u5f0f<\/strong><\/td>\u62a2\u5360\u5f0f\uff08OS\u8c03\u5ea6\uff09<\/td>\u62a2\u5360\u5f0f\/\u534f\u4f5c\u5f0f<\/td>\u534f\u4f5c\u5f0f\uff08\u4e8b\u4ef6\u5faa\u73af\uff09<\/td><\/tr>
                                                                                                        \u72b6\u6001\u7ba1\u7406<\/strong><\/td>\u5171\u4eab\u72b6\u6001\uff0c\u9700\u540c\u6b65<\/td>\u79c1\u6709\u72b6\u6001\uff0c\u65e0\u5171\u4eab<\/td>\u901a\u5e38\u65e0\u72b6\u6001\u6216\u72b6\u6001\u5c40\u90e8<\/td><\/tr>
                                                                                                        \u9519\u8bef\u5904\u7406<\/strong><\/td>\u7ebf\u7a0b\u5d29\u6e83\u5f71\u54cd\u8fdb\u7a0b<\/td>Actor\u5d29\u6e83\u5c40\u90e8\u5f71\u54cd<\/td>\u9519\u8bef\u901a\u8fc7Promise\u94fe\u4f20\u64ad<\/td><\/tr>
                                                                                                        \u9002\u7528\u573a\u666f<\/strong><\/td>CPU\u5bc6\u96c6\u578b\u3001\u590d\u6742\u540c\u6b65<\/td>\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u5bb9\u9519\u7cfb\u7edf<\/td>I\/O\u5bc6\u96c6\u578b\u3001\u9ad8\u5e76\u53d1\u670d\u52a1<\/td><\/tr>
                                                                                                        \u5178\u578b\u5b9e\u73b0<\/strong><\/td>Java Thread\u3001C++ std::thread<\/td>Erlang\u3001Akka\u3001Pony<\/td>JavaScript\u3001Python asyncio\u3001Go<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                                                                                                        \u4e94\u3001\u6df7\u5408\u6a21\u578b\u4e0e\u73b0\u4ee3\u5316\u5e94\u7528<\/strong><\/h2>\n\n\n\n
                                                                                                        1. \u73b0\u4ee3\u6846\u67b6\u4e2d\u7684\u5e76\u53d1\u6a21\u578b\u878d\u5408<\/strong><\/h3>\n\n\n\n
                                                                                                        \/\/ Rust\u7684tokio\uff1aasync\/await + Actor\u98ce\u683c\nuse tokio::sync::mpsc;  \/\/ \u591a\u751f\u4ea7\u8005\u5355\u6d88\u8d39\u8005channel\nuse tokio::time::{sleep, Duration};\n\n#[tokio::main]\nasync fn main() {\n    \/\/ \u521b\u5efachannel\n    let (tx, mut rx) = mpsc::channel(100);\n\n    \/\/ \u751f\u4ea7\u8005\u4efb\u52a1\n    let producer = tokio::spawn(async move {\n        for i in 0..10 {\n            tx.send(i).await.expect(\"\u53d1\u9001\u5931\u8d25\");\n            println!(\"\u53d1\u9001: {}\", i);\n            sleep(Duration::from_millis(100)).await;\n        }\n    });\n\n    \/\/ \u6d88\u8d39\u8005\u4efb\u52a1\n    let consumer = tokio::spawn(async move {\n        while let Some(msg) = rx.recv().await {\n            println!(\"\u63a5\u6536: {}\", msg);\n            sleep(Duration::from_millis(150)).await;\n        }\n    });\n\n    \/\/ \u7b49\u5f85\u4efb\u52a1\u5b8c\u6210\n    let _ = tokio::join!(producer, consumer);\n}<\/code><\/pre>\n\n\n\n
                                                                                                        2. \u5b9e\u9645\u67b6\u6784\u4e2d\u7684\u6a21\u5f0f\u9009\u62e9<\/strong><\/h3>\n\n\n\n
                                                                                                        # \u6df7\u5408\u67b6\u6784\u793a\u4f8b\uff1aWeb\u670d\u52a1\u5668\n# FastAPI + asyncio + \u7ebf\u7a0b\u6c60 + \u6d88\u606f\u961f\u5217\nfrom fastapi import FastAPI, BackgroundTasks\nfrom concurrent.futures import ThreadPoolExecutor\nimport asyncio\nimport aioredis  # \u5f02\u6b65Redis\u5ba2\u6237\u7aef\nimport httpx  # \u5f02\u6b65HTTP\u5ba2\u6237\u7aef\n\napp = FastAPI()\n\n# \u5f02\u6b65\u6570\u636e\u5e93\u8fde\u63a5\u6c60\n# async def get_db():\n#     return await asyncpg.create_pool(...)\n\n# Redis\u8fde\u63a5\nredis = aioredis.from_url(\"redis:\/\/localhost\")\n\n# \u7ebf\u7a0b\u6c60\u7528\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\nexecutor = ThreadPoolExecutor(max_workers=4)\n\n@app.get(\"\/api\/data\")\nasync def get_data():\n    \"\"\"I\/O\u5bc6\u96c6\u578b\uff1a\u9002\u5408\u5f02\u6b65\"\"\"\n    # \u5e76\u53d1\u6267\u884c\u591a\u4e2aI\/O\u64cd\u4f5c\n    async with httpx.AsyncClient() as client:\n        urls = [\"http:\/\/service1\", \"http:\/\/service2\"]\n        tasks = [client.get(url) for url in urls]\n        responses = await asyncio.gather(*tasks)\n\n    # \u5f02\u6b65\u7f13\u5b58\u8bbf\u95ee\n    cached = await redis.get(\"some_key\")\n\n    return {\"responses\": [r.json() for r in responses], \"cached\": cached}\n\n@app.post(\"\/api\/process\")\nasync def process_data(data: dict, background_tasks: BackgroundTasks):\n    \"\"\"\u6df7\u5408\uff1a\u5f02\u6b65 + \u540e\u53f0\u4efb\u52a1\"\"\"\n    # \u5feb\u901f\u54cd\u5e94\n    task_id = generate_task_id()\n\n    # \u5c06CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u653e\u5230\u7ebf\u7a0b\u6c60\n    def cpu_intensive_process(data):\n        # \u6a21\u62dfCPU\u5bc6\u96c6\u578b\u8ba1\u7b97\n        import hashlib\n        import time\n        for i in range(1000000):\n            hashlib.sha256(str(i).encode()).hexdigest()\n        return {\"processed\": len(data)}\n\n    # \u5728\u7ebf\u7a0b\u6c60\u4e2d\u6267\u884c\n    loop = asyncio.get_event_loop()\n    future = loop.run_in_executor(executor, cpu_intensive_process, data)\n\n    # \u5f02\u6b65\u7b49\u5f85\u7ed3\u679c\n    result = await future\n\n    # \u53d1\u9001\u5230\u6d88\u606f\u961f\u5217\uff08Actor\u98ce\u683c\uff09\n    background_tasks.add_task(send_to_queue, task_id, result)\n\n    return {\"task_id\": task_id, \"status\": \"processing\"}\n\nasync def send_to_queue(task_id, result):\n    \"\"\"\u6a21\u62df\u53d1\u9001\u5230\u6d88\u606f\u961f\u5217\"\"\"\n    # \u8fd9\u91cc\u53ef\u4ee5\u4f7f\u7528RabbitMQ\u3001Kafka\u7b49\n    await asyncio.sleep(0.1)\n    print(f\"Task {task_id} completed: {result}\")<\/code><\/pre>\n\n\n\n
                                                                                                        \u516d\u3001\u9009\u62e9\u6307\u5357\uff1a\u4f55\u65f6\u4f7f\u7528\u54ea\u79cd\u6a21\u578b\uff1f<\/strong><\/h2>\n\n\n\n
                                                                                                        \u51b3\u7b56\u6846\u67b6<\/strong><\/h3>\n\n\n\n
                                                                                                        graph TD\n    A[\u5f00\u59cb\uff1a\u9009\u62e9\u5e76\u53d1\u6a21\u578b] --> B{\u4e3b\u8981\u5de5\u4f5c\u8d1f\u8f7d\u7c7b\u578b\uff1f}\n\n    B -->|I\/O\u5bc6\u96c6\u578b<br\/>\u9ad8\u5e76\u53d1\u8fde\u63a5| C[\u5f02\u6b65\/\u534f\u7a0b]\n    B -->|CPU\u5bc6\u96c6\u578b<br\/>\u590d\u6742\u8ba1\u7b97| D[\u591a\u7ebf\u7a0b]\n    B -->|\u5206\u5e03\u5f0f\u7cfb\u7edf<br\/>\u9700\u8981\u5bb9\u9519| E[Actor\u6a21\u578b]\n\n    C --> F{\u9700\u8981\u5206\u5e03\u5f0f\u5417\uff1f}\n    F -->|\u662f| G[\u8003\u8651Akka Cluster<br\/>\u6216\u670d\u52a1\u7f51\u683c]\n    F -->|\u5426| H[Node.js\/Python\/Go]\n\n    D --> I{\u9700\u8981\u907f\u514d\u9501\u590d\u6742\u6027\u5417\uff1f}\n    I -->|\u662f| J[\u8003\u8651Rust\u6240\u6709\u6743<br\/>\u6216\u65e0\u9501\u6570\u636e\u7ed3\u6784]\n    I -->|\u5426| K[Java\/C++\u7ebf\u7a0b\u6c60]\n\n    E --> L{\u9700\u8981\u4e0e\u5176\u4ed6\u7cfb\u7edf\u96c6\u6210\u5417\uff1f}\n    L -->|\u662f| M[Akka + \u5fae\u670d\u52a1]\n    L -->|\u5426| N[\u7eafErlang\/Elixir]\n\n    H --> O[\u6210\u529f\uff1a\u9ad8\u6027\u80fd\u670d\u52a1]\n    K --> P[\u6210\u529f\uff1a\u8ba1\u7b97\u5e94\u7528]\n    N --> Q[\u6210\u529f\uff1a\u53ef\u9760\u7cfb\u7edf]<\/code><\/pre>\n\n\n\n
                                                                                                        \u5b9e\u9645\u8003\u8651\u56e0\u7d20<\/strong><\/h3>\n\n\n\n
                                                                                                          \n
                                                                                                        1. \u56e2\u961f\u719f\u6089\u5ea6<\/strong>\uff1a\u4f18\u5148\u9009\u62e9\u56e2\u961f\u6709\u7ecf\u9a8c\u7684\u6a21\u578b<\/li>\n\n\n\n
                                                                                                        2. \u751f\u6001\u7cfb\u7edf<\/strong>\uff1a\u8003\u8651\u5e93\u3001\u5de5\u5177\u548c\u793e\u533a\u652f\u6301<\/li>\n\n\n\n
                                                                                                        3. \u6027\u80fd\u9700\u6c42<\/strong>\uff1a\u57fa\u51c6\u6d4b\u8bd5\uff0c\u4e0d\u8981\u8fc7\u65e9\u4f18\u5316<\/li>\n\n\n\n
                                                                                                        4. \u7ef4\u62a4\u6210\u672c<\/strong>\uff1a\u5f02\u6b65\u4ee3\u7801\u53ef\u80fd\u66f4\u96be\u8c03\u8bd5\u548c\u7ef4\u62a4<\/li>\n\n\n\n
                                                                                                        5. \u672a\u6765\u6269\u5c55<\/strong>\uff1a\u8003\u8651\u7cfb\u7edf\u5982\u4f55\u6269\u5c55\u5230\u591a\u673a<\/li>\n<\/ol>\n\n\n\n
                                                                                                          \u4e03\u3001\u8c03\u8bd5\u4e0e\u76d1\u63a7\u5f02\u6b65\u7cfb\u7edf<\/strong><\/h2>\n\n\n\n
                                                                                                          \/\/ Node.js\u5f02\u6b65\u5806\u6808\u8ddf\u8e2a\u6539\u8fdb\nimport * as stack from 'stack-trace';\n\nasync function asyncOperation() {\n    await new Promise(resolve => setTimeout(resolve, 100));\n    throw new Error('Async error!');\n}\n\nasync function main() {\n    try {\n        await asyncOperation();\n    } catch (err) {\n        \/\/ Node.js 12+ \u63d0\u4f9b\u4e86\u5f02\u6b65\u5806\u6808\u8ddf\u8e2a\n        console.error('\u9519\u8bef\u5806\u6808:', err.stack);\n\n        \/\/ \u4f7f\u7528async_hooks\u8fdb\u884c\u66f4\u6df1\u5165\u7684\u8ddf\u8e2a\n        const async_hooks = require('async_hooks');\n        const fs = require('fs');\n\n        const hooks = async_hooks.createHook({\n            init(asyncId, type, triggerAsyncId, resource) {\n                fs.writeSync(1, `\u521d\u59cb\u5316: ${type} (${asyncId})\uff0c\u7531 ${triggerAsyncId} \u89e6\u53d1\\n`);\n            },\n            destroy(asyncId) {\n                fs.writeSync(1, `\u9500\u6bc1: ${asyncId}\\n`);\n            }\n        });\n\n        hooks.enable();\n    }\n}\n\n\/\/ \u4f7f\u7528OpenTelemetry\u8ffd\u8e2a\u5f02\u6b65\u64cd\u4f5c\nconst { NodeTracerProvider } = require('@opentelemetry\/sdk-trace-node');\nconst { AsyncHooksContextManager } = require('@opentelemetry\/context-async-hooks');\n\nconst provider = new NodeTracerProvider();\nprovider.register();\n\nconst contextManager = new AsyncHooksContextManager();\ncontextManager.enable();<\/code><\/pre>\n\n\n\n
                                                                                                          \u516b\u3001\u672a\u6765\u8d8b\u52bf\uff1a\u7ed3\u6784\u5316\u5e76\u53d1<\/strong><\/h2>\n\n\n\n
                                                                                                          # Python 3.11+ \u7684TaskGroup\uff08\u7ed3\u6784\u5316\u5e76\u53d1\uff09\nimport asyncio\n\nasync def main():\n    # \u4f7f\u7528TaskGroup\u7ba1\u7406\u4e00\u7ec4\u76f8\u5173\u4efb\u52a1\n    async with asyncio.TaskGroup() as tg:\n        # \u521b\u5efa\u4efb\u52a1\n        task1 = tg.create_task(fetch_data('url1'))\n        task2 = tg.create_task(fetch_data('url2'))\n        task3 = tg.create_task(process_data())\n\n    # \u79bb\u5f00with\u5757\u65f6\uff0c\u6240\u6709\u4efb\u52a1\u5df2\u5b8c\u6210\u6216\u53d6\u6d88\n    # \u5982\u679c\u6709\u4efb\u52a1\u5931\u8d25\uff0c\u6240\u6709\u4efb\u52a1\u90fd\u4f1a\u88ab\u53d6\u6d88\n    print(\"\u6240\u6709\u4efb\u52a1\u5b8c\u6210\")\n\nasync def fetch_data(url):\n    await asyncio.sleep(1)\n    return f\"Data from {url}\"\n\nasync def process_data():\n    await asyncio.sleep(0.5)\n    return \"Processed\"\n\n# \u7ed3\u6784\u5316\u5e76\u53d1\u7684\u4f18\u52bf\uff1a\n# 1. \u660e\u786e\u7684\u4efb\u52a1\u751f\u547d\u5468\u671f\n# 2. \u81ea\u52a8\u4f20\u64ad\u53d6\u6d88\n# 3. \u66f4\u597d\u7684\u9519\u8bef\u5904\u7406<\/code><\/pre>\n\n\n\n
                                                                                                          \u4e5d\u3001\u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n\n\n\n
                                                                                                          \u6838\u5fc3\u6536\u83b7<\/strong><\/h3>\n\n\n\n
                                                                                                            \n
                                                                                                          1. Actor\u6a21\u578b<\/strong>\uff1a\u5c06\u7cfb\u7edf\u5206\u89e3\u4e3a\u72ec\u7acb\u3001\u9694\u79bb\u7684\u5b9e\u4f53\uff0c\u901a\u8fc7\u6d88\u606f\u4f20\u9012\u901a\u4fe1\uff0c\u9002\u5408\u6784\u5efa\u5bb9\u9519\u3001\u5206\u5e03\u5f0f<\/strong>\u7cfb\u7edf\u3002<\/li>\n\n\n\n
                                                                                                          2. \u5f02\u6b65\/\u534f\u7a0b<\/strong>\uff1a\u5728\u5355\u7ebf\u7a0b\u5185\u901a\u8fc7\u534f\u4f5c\u5f0f\u591a\u4efb\u52a1\u5904\u7406\u9ad8\u5e76\u53d1I\/O\uff0c\u9002\u5408\u6784\u5efa\u9ad8\u6027\u80fd\u3001\u8d44\u6e90\u9ad8\u6548<\/strong>\u7684\u670d\u52a1\u3002<\/li>\n<\/ol>\n\n\n\n
                                                                                                            \u73b0\u4ee3\u5316\u5e76\u53d1\u7f16\u7a0b\u5efa\u8bae<\/strong><\/h3>\n\n\n\n
                                                                                                              \n
                                                                                                            1. \u4ece\u95ee\u9898\u51fa\u53d1\u9009\u62e9\u6a21\u578b<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                \n
                                                                                                              • Web API\u3001\u4ee3\u7406\u3001\u804a\u5929\u670d\u52a1\u5668 \u2192 \u5f02\u6b65\/\u534f\u7a0b<\/li>\n\n\n\n
                                                                                                              • \u4ea4\u6613\u7cfb\u7edf\u3001\u7535\u4fe1\u7cfb\u7edf\u3001\u6e38\u620f\u670d\u52a1\u5668 \u2192 Actor\u6a21\u578b<\/li>\n\n\n\n
                                                                                                              • \u79d1\u5b66\u8ba1\u7b97\u3001\u89c6\u9891\u5904\u7406 \u2192 \u591a\u7ebf\u7a0b<\/li>\n<\/ul>\n\n\n\n
                                                                                                                  \n
                                                                                                                1. \u5206\u5c42\u67b6\u6784<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                     \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n   \u2502 \u8868\u73b0\u5c42\uff1a\u5f02\u6b65\/\u534f\u7a0b\uff08\u5904\u7406\u8bf7\u6c42\uff09     \u2502\n   \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n   \u2502 \u4e1a\u52a1\u5c42\uff1aActor\u6216\u9886\u57df\u9a71\u52a8\u8bbe\u8ba1      \u2502\n   \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n   \u2502 \u6570\u636e\u5c42\uff1a\u8fde\u63a5\u6c60 + \u5f02\u6b65\u9a71\u52a8        \u2502\n   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/code><\/pre>\n\n\n\n
                                                                                                                    \n
                                                                                                                  1. \u6d4b\u8bd5\u7b56\u7565<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                      \n
                                                                                                                    • \u5f02\u6b65\u4ee3\u7801\uff1a\u6a21\u62df\u65f6\u95f4\uff0c\u4f7f\u7528\u865a\u62df\u65f6\u949f<\/li>\n\n\n\n
                                                                                                                    • Actor\u7cfb\u7edf\uff1a\u6d4b\u8bd5\u6d88\u606f\u6d41\u548c\u72b6\u6001\u8f6c\u6362<\/li>\n\n\n\n
                                                                                                                    • \u5e76\u53d1\u6d4b\u8bd5\uff1a\u4f7f\u7528\u538b\u529b\u6d4b\u8bd5\u548c\u6df7\u6c8c\u5de5\u7a0b<\/li>\n<\/ul>\n\n\n\n
                                                                                                                        \n
                                                                                                                      1. \u76d1\u63a7\u4e0e\u53ef\u89c2\u6d4b\u6027<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                          \n
                                                                                                                        • \u8ddf\u8e2a\u5f02\u6b65\u8c03\u7528\u94fe<\/li>\n\n\n\n
                                                                                                                        • \u76d1\u63a7Actor\u90ae\u7bb1\u5927\u5c0f<\/li>\n\n\n\n
                                                                                                                        • \u8bb0\u5f55\u534f\u7a0b\u8c03\u5ea6\u5ef6\u8fdf<\/li>\n<\/ul>\n\n\n\n
                                                                                                                          \u63a8\u8350\u7684\u6df1\u5165\u5b66\u4e60\u8def\u5f84<\/strong><\/h3>\n\n\n\n
                                                                                                                            \n
                                                                                                                          1. \u7406\u8bba<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                              \n
                                                                                                                            • CSP\uff08\u901a\u4fe1\u987a\u5e8f\u8fdb\u7a0b\uff09\u7406\u8bba<\/li>\n\n\n\n
                                                                                                                            • \u03c0\u6f14\u7b97\uff08\u8fdb\u7a0b\u6f14\u7b97\uff09<\/li>\n\n\n\n
                                                                                                                            • \u53cd\u5e94\u5f0f\u5ba3\u8a00<\/li>\n<\/ul>\n\n\n\n
                                                                                                                                \n
                                                                                                                              1. \u5b9e\u8df5<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                                  \n
                                                                                                                                • \u7528Go\u6784\u5efa\u9ad8\u5e76\u53d1\u670d\u52a1<\/li>\n\n\n\n
                                                                                                                                • \u7528Elixir\/Phoenix\u6784\u5efa\u5bb9\u9519Web\u5e94\u7528<\/li>\n\n\n\n
                                                                                                                                • \u7528TypeScript + Node.js\u6784\u5efa\u5b9e\u65f6\u5e94\u7528<\/li>\n<\/ul>\n\n\n\n
                                                                                                                                    \n
                                                                                                                                  1. \u5de5\u5177<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                                      \n
                                                                                                                                    • OpenTelemetry\uff08\u5206\u5e03\u5f0f\u8ffd\u8e2a\uff09<\/li>\n\n\n\n
                                                                                                                                    • Prometheus + Grafana\uff08\u76d1\u63a7\uff09<\/li>\n\n\n\n
                                                                                                                                    • Chaos Mesh\uff08\u6df7\u6c8c\u5de5\u7a0b\uff09<\/li>\n<\/ul>\n\n\n\n
                                                                                                                                      \u6700\u7ec8\u601d\u8003<\/strong>\uff1a\u5e76\u53d1\u6a21\u578b\u7684\u9009\u62e9\u4e0d\u662f\u6280\u672f\u9009\u7f8e\u7684\u7ade\u8d5b\uff0c\u800c\u662f\u5de5\u7a0b\u6743\u8861\u7684\u827a\u672f<\/strong>\u3002\u6700\u4f18\u96c5\u7684\u65b9\u6848\u4e0d\u4e00\u5b9a\u662f\u6700\u5408\u9002\u7684\u3002\u7406\u89e3\u6bcf\u79cd\u6a21\u578b\u7684\u672c\u8d28\u3001\u4f18\u52bf\u548c\u4ee3\u4ef7\uff0c\u624d\u80fd\u5728\u7279\u5b9a\u4e0a\u4e0b\u6587\u4e2d\u505a\u51fa\u660e\u667a\u9009\u62e9\u3002<\/p>\n\n\n\n
                                                                                                                                      \u8bb0\u4f4f\uff0c\u6700\u597d\u7684\u5e76\u53d1\u6a21\u578b\u5f80\u5f80\u662f\uff1a<\/p>\n\n\n\n
                                                                                                                                        \n
                                                                                                                                      • \u8ba9\u4f60\u6b63\u786e\u6027<\/strong>\u66f4\u5bb9\u6613\u8bc1\u660e\u7684\u6a21\u578b<\/li>\n\n\n\n
                                                                                                                                      • \u8ba9\u9519\u8bef<\/strong>\u5f71\u54cd\u8303\u56f4\u6700\u5c0f\u7684\u6a21\u578b<\/li>\n\n\n\n
                                                                                                                                      • \u8ba9\u7cfb\u7edf\u884c\u4e3a<\/strong>\u66f4\u53ef\u9884\u6d4b\u7684\u6a21\u578b<\/li>\n<\/ul>\n\n\n\n
                                                                                                                                        \u968f\u7740\u8ba1\u7b97\u9700\u6c42\u6301\u7eed\u589e\u957f\u548c\u786c\u4ef6\u67b6\u6784\u4e0d\u65ad\u6f14\u8fdb\uff0c\u5e76\u53d1\u7f16\u7a0b\u5c06\u7ee7\u7eed\u662f\u8f6f\u4ef6\u5de5\u7a0b\u7684\u6838\u5fc3\u6311\u6218\u3002\u638c\u63e1\u591a\u79cd\u5e76\u53d1\u6a21\u578b\uff0c\u4f60\u5c31\u80fd\u4e3a\u4efb\u4f55\u5e76\u53d1\u95ee\u9898\u9009\u62e9\u6700\u5408\u9002\u7684\u5de5\u5177\uff0c\u6784\u5efa\u51fa\u65e2\u6b63\u786e\u53c8\u9ad8\u6548\u7684\u8f6f\u4ef6\u7cfb\u7edf\u3002<\/p>\n\n\n\n
                                                                                                                                        \u7b2c67\u8bfe\uff1a\u9762\u5411\u5bf9\u8c61\u5de5\u7a0b\u5b9e\u8df5 \u2014\u2014 \u5bf9\u8c61\u751f\u547d\u5468\u671f\u3001\u5de5\u5177\u751f\u6001\u4e0eAPI\u8bbe\u8ba1<\/strong><\/h1>\n\n\n\n
                                                                                                                                        \u4e00\u3001\u4e3a\u4ec0\u4e48\u5728”\u5e76\u53d1\u6a21\u578b”\u4e4b\u540e\u8ba8\u8bba”\u5de5\u7a0b\u5b9e\u8df5”\uff1f<\/strong><\/h2>\n\n\n\n
                                                                                                                                        \u638c\u63e1\u4e86\u591a\u79cd\u7f16\u7a0b\u8303\u5f0f\u548c\u5e76\u53d1\u6a21\u578b\u540e\uff0c\u4f60\u5df2\u7ecf\u5177\u5907\u4e86\u6784\u5efa\u590d\u6742\u7cfb\u7edf\u7684\u601d\u7ef4\u5de5\u5177\u3002\u7136\u800c\uff0c\u771f\u6b63\u7684\u8f6f\u4ef6\u5de5\u7a0b\u8fdc\u4e0d\u6b62\u7f16\u7801\u672c\u8eab\u3002\u5982\u4f55\u7ec4\u7ec7\u4ee3\u7801\u3001\u7ba1\u7406\u4f9d\u8d56\u3001\u4fdd\u8bc1\u8d28\u91cf\u3001\u8bbe\u8ba1\u63a5\u53e3<\/strong>\uff0c\u8fd9\u4e9b\u5de5\u7a0b\u5b9e\u8df5\u51b3\u5b9a\u4e86\u9879\u76ee\u7684\u53ef\u7ef4\u62a4\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u6700\u7ec8\u6210\u529f\u3002<\/p>\n\n\n\n
                                                                                                                                        \u5173\u952e\u6d1e\u5bdf<\/strong>\uff1a\u4f18\u79c0\u7684\u5f00\u53d1\u8005\u4e0d\u4ec5\u7f16\u5199\u4ee3\u7801\uff0c\u8fd8\u6784\u5efa\u751f\u6001\u7cfb\u7edf\u3002\u672c\u7ae0\u5c06\u4ece\u4e09\u4e2a\u7ef4\u5ea6\u63d0\u5347\u4f60\u7684\u5de5\u7a0b\u80fd\u529b\uff1a<\/p>\n\n\n\n
                                                                                                                                          \n
                                                                                                                                        1. \u5fae\u89c2<\/strong>\uff1a\u5bf9\u8c61\u751f\u547d\u5468\u671f\u7ba1\u7406\uff08\u4ee3\u7801\u5185\u90e8\u8d28\u91cf\uff09<\/li>\n\n\n\n
                                                                                                                                        2. \u4e2d\u89c2<\/strong>\uff1a\u5de5\u5177\u4e0e\u751f\u6001\uff08\u5f00\u53d1\u6548\u7387\u548c\u534f\u4f5c\u8d28\u91cf\uff09<\/li>\n\n\n\n
                                                                                                                                        3. \u5b8f\u89c2<\/strong>\uff1aAPI\/\u5951\u7ea6\u8bbe\u8ba1\uff08\u7cfb\u7edf\u96c6\u6210\u548c\u5916\u90e8\u8d28\u91cf\uff09<\/li>\n<\/ol>\n\n\n\n
                                                                                                                                          \u4e8c\u3001\u5bf9\u8c61\u751f\u547d\u5468\u671f\u7ba1\u7406<\/strong><\/h2>\n\n\n\n
                                                                                                                                          1. \u4ec0\u4e48\u662f\u5bf9\u8c61\u751f\u547d\u5468\u671f\uff1f<\/strong><\/h3>\n\n\n\n
                                                                                                                                          \u5bf9\u8c61\u751f\u547d\u5468\u671f\u662f\u6307\u4ece\u5bf9\u8c61\u521b\u5efa\u5230\u9500\u6bc1\u7684\u6574\u4e2a\u8fc7\u7a0b\u3002\u5728\u4e0d\u540c\u8bed\u8a00\u4e2d\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u7684\u590d\u6742\u6027\u548c\u7ba1\u7406\u65b9\u5f0f\u5404\u4e0d\u76f8\u540c\uff1a<\/p>\n\n\n\n
                                                                                                                                          \/\/ Java\u4e2d\u7684\u5bf9\u8c61\u751f\u547d\u5468\u671f\npublic class LifecycleExample {\n    \/\/ 1. \u7c7b\u52a0\u8f7d\uff1aJVM\u52a0\u8f7d\u7c7b\u5b9a\u4e49\n    static {\n        System.out.println(\"\u7c7b\u88ab\u52a0\u8f7d\");\n    }\n\n    \/\/ 2. \u5bf9\u8c61\u521b\u5efa\uff1anew\u64cd\u4f5c\u7b26\n    public LifecycleExample() {\n        System.out.println(\"\u5bf9\u8c61\u88ab\u521b\u5efa\");\n    }\n\n    \/\/ 3. \u5bf9\u8c61\u4f7f\u7528\n    public void doWork() {\n        System.out.println(\"\u5bf9\u8c61\u5728\u5de5\u4f5c\");\n    }\n\n    \/\/ 4. \u5bf9\u8c61\u9500\u6bc1\uff08\u7531GC\u51b3\u5b9a\uff09\n    @Override\n    protected void finalize() throws Throwable {\n        try {\n            System.out.println(\"\u5bf9\u8c61\u5373\u5c06\u88ab\u56de\u6536\");\n        } finally {\n            super.finalize();\n        }\n    }\n\n    \/\/ 5. \u5173\u95ed\u8d44\u6e90\uff08\u624b\u52a8\u7ba1\u7406\uff09\n    public void close() {\n        System.out.println(\"\u8d44\u6e90\u88ab\u663e\u5f0f\u5173\u95ed\");\n    }\n}\n\n\/\/ \u4f7f\u7528\u793a\u4f8b\npublic static void main(String[] args) {\n    LifecycleExample obj = new LifecycleExample();  \/\/ \u521b\u5efa\n    obj.doWork();                                    \/\/ \u4f7f\u7528\n\n    \/\/ \u663e\u5f0f\u8d44\u6e90\u7ba1\u7406\n    try {\n        obj.doWork();\n    } finally {\n        obj.close();  \/\/ \u786e\u4fdd\u8d44\u6e90\u91ca\u653e\n    }\n\n    obj = null;  \/\/ \u5931\u53bb\u5f15\u7528\uff0c\u7b49\u5f85GC\n    System.gc();  \/\/ \u5efa\u8baeGC\uff0c\u4e0d\u4fdd\u8bc1\u7acb\u5373\u6267\u884c\n}<\/code><\/pre>\n\n\n\n
                                                                                                                                          2. \u751f\u547d\u5468\u671f\u7ba1\u7406\u7b56\u7565\u5bf9\u6bd4<\/strong><\/h3>\n\n\n\n
                                                                                                                                          \u7b56\u7565<\/th>\u5178\u578b\u8bed\u8a00<\/th>\u4f18\u70b9<\/th>\u7f3a\u70b9<\/th><\/tr><\/thead>
                                                                                                                                          \u624b\u52a8\u7ba1\u7406<\/strong><\/td>C\/C++<\/td>\u5b8c\u5168\u63a7\u5236\uff0c\u6027\u80fd\u6700\u4f18<\/td>\u5bb9\u6613\u51fa\u9519\uff08\u5185\u5b58\u6cc4\u6f0f\u3001\u60ac\u5782\u6307\u9488\uff09<\/td><\/tr>
                                                                                                                                          \u5f15\u7528\u8ba1\u6570<\/strong><\/td>Objective-C, Swift<\/td>\u7acb\u5373\u56de\u6536\uff0c\u53ef\u9884\u6d4b<\/td>\u5faa\u73af\u5f15\u7528\u95ee\u9898\uff0c\u8ba1\u6570\u5f00\u9500<\/td><\/tr>
                                                                                                                                          \u8ffd\u8e2aGC<\/strong><\/td>Java, C#, Go<\/td>\u81ea\u52a8\u5904\u7406\u5faa\u73af\u5f15\u7528<\/td>Stop-The-World\u6682\u505c\uff0c\u5185\u5b58\u5360\u7528\u9ad8<\/td><\/tr>
                                                                                                                                          \u6240\u6709\u6743\u7cfb\u7edf<\/strong><\/td>Rust<\/td>\u7f16\u8bd1\u65f6\u4fdd\u8bc1\u5b89\u5168\uff0c\u96f6\u8fd0\u884c\u65f6\u5f00\u9500<\/td>\u5b66\u4e60\u66f2\u7ebf\u9661\u5ced\uff0c\u7075\u6d3b\u6027\u53d7\u9650<\/td><\/tr>
                                                                                                                                          ARC<\/strong><\/td>Swift<\/td>\u7f16\u8bd1\u65f6\u63d2\u5165\u5f15\u7528\u8ba1\u6570\u4ee3\u7801<\/td>\u4ecd\u6709\u5faa\u73af\u5f15\u7528\u98ce\u9669<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                                                                                                                                          3. \u8d44\u6e90\u7ba1\u7406\u7684\u8bbe\u8ba1\u6a21\u5f0f<\/strong><\/h3>\n\n\n\n
                                                                                                                                          a. RAII\uff08\u8d44\u6e90\u83b7\u53d6\u5373\u521d\u59cb\u5316\uff09<\/strong><\/h4>\n\n\n\n
                                                                                                                                          \/\/ C++ RAII\u793a\u4f8b\uff1a\u8d44\u6e90\u5728\u6784\u9020\u51fd\u6570\u4e2d\u83b7\u53d6\uff0c\u5728\u6790\u6784\u51fd\u6570\u4e2d\u91ca\u653e\nclass FileHandler {\nprivate:\n    FILE* file;\n\npublic:\n    \/\/ \u6784\u9020\u51fd\u6570\u83b7\u53d6\u8d44\u6e90\n    FileHandler(const char* filename, const char* mode) {\n        file = fopen(filename, mode);\n        if (!file) {\n            throw std::runtime_error(\"\u65e0\u6cd5\u6253\u5f00\u6587\u4ef6\");\n        }\n        std::cout << \"\u6587\u4ef6\u5df2\u6253\u5f00\" << std::endl;\n    }\n\n    \/\/ \u6790\u6784\u51fd\u6570\u91ca\u653e\u8d44\u6e90\n    ~FileHandler() {\n        if (file) {\n            fclose(file);\n            std::cout << \"\u6587\u4ef6\u5df2\u5173\u95ed\" << std::endl;\n        }\n    }\n\n    \/\/ \u7981\u6b62\u62f7\u8d1d\uff08\u6216\u5b9e\u73b0\u79fb\u52a8\u8bed\u4e49\uff09\n    FileHandler(const FileHandler&) = delete;\n    FileHandler& operator=(const FileHandler&) = delete;\n\n    \/\/ \u79fb\u52a8\u6784\u9020\u51fd\u6570\n    FileHandler(FileHandler&& other) noexcept : file(other.file) {\n        other.file = nullptr;\n    }\n\n    void write(const std::string& content) {\n        if (file) {\n            fputs(content.c_str(), file);\n        }\n    }\n};\n\n\/\/ \u4f7f\u7528\uff1a\u8d44\u6e90\u81ea\u52a8\u7ba1\u7406\nvoid processFile() {\n    FileHandler handler(\"test.txt\", \"w\");  \/\/ \u8d44\u6e90\u83b7\u53d6\n    handler.write(\"Hello, RAII!\");\n    \/\/ \u79bb\u5f00\u4f5c\u7528\u57df\u65f6\uff0chandler\u7684\u6790\u6784\u51fd\u6570\u81ea\u52a8\u8c03\u7528\uff0c\u5173\u95ed\u6587\u4ef6\n}<\/code><\/pre>\n\n\n\n
                                                                                                                                          b. \u667a\u80fd\u6307\u9488\u6a21\u5f0f<\/strong><\/h4>\n\n\n\n
                                                                                                                                          \/\/ C++\u667a\u80fd\u6307\u9488\uff1a\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\u751f\u547d\u5468\u671f\n#include <memory>\n#include <iostream>\n\nclass Resource {\npublic:\n    Resource() { std::cout << \"\u8d44\u6e90\u521b\u5efa\" << std::endl; }\n    ~Resource() { std::cout << \"\u8d44\u6e90\u9500\u6bc1\" << std::endl; }\n\n    void use() { std::cout << \"\u4f7f\u7528\u8d44\u6e90\" << std::endl; }\n};\n\nvoid smartPointerDemo() {\n    \/\/ 1. unique_ptr\uff1a\u72ec\u5360\u6240\u6709\u6743\n    std::unique_ptr<Resource> unique = std::make_unique<Resource>();\n    unique->use();\n    \/\/ unique_ptr\u79bb\u5f00\u4f5c\u7528\u57df\u65f6\u81ea\u52a8\u5220\u9664\u8d44\u6e90\n\n    \/\/ 2. shared_ptr\uff1a\u5171\u4eab\u6240\u6709\u6743\uff08\u5f15\u7528\u8ba1\u6570\uff09\n    std::shared_ptr<Resource> shared1 = std::make_shared<Resource>();\n    {\n        std::shared_ptr<Resource> shared2 = shared1;  \/\/ \u5f15\u7528\u8ba1\u6570+1\n        shared2->use();\n    }  \/\/ shared2\u9500\u6bc1\uff0c\u5f15\u7528\u8ba1\u6570-1\n\n    \/\/ 3. weak_ptr\uff1a\u89c2\u5bdf\u4f46\u4e0d\u62e5\u6709\n    std::weak_ptr<Resource> weak = shared1;\n\n    if (auto temp = weak.lock()) {  \/\/ \u5c1d\u8bd5\u83b7\u53d6shared_ptr\n        temp->use();\n    }\n\n}  \/\/ shared1\u9500\u6bc1\uff0c\u5f15\u7528\u8ba1\u6570\u4e3a0\uff0c\u8d44\u6e90\u91ca\u653e<\/code><\/pre>\n\n\n\n
                                                                                                                                          c. \u6c60\u5316\u6a21\u5f0f<\/strong><\/h4>\n\n\n\n
                                                                                                                                          \/\/ Java\u5bf9\u8c61\u6c60\u793a\u4f8b\uff1a\u91cd\u7528\u6602\u8d35\u5bf9\u8c61\nimport java.util.concurrent.BlockingQueue;\nimport java.util.concurrent.LinkedBlockingQueue;\n\nclass DatabaseConnection {\n    private final String connectionId;\n    private boolean inUse = false;\n\n    public DatabaseConnection(String id) {\n        this.connectionId = id;\n        System.out.println(\"\u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5: \" + id);\n    }\n\n    public void executeQuery(String sql) {\n        System.out.println(connectionId + \" \u6267\u884c: \" + sql);\n    }\n\n    public void close() {\n        this.inUse = false;\n    }\n\n    public boolean isInUse() { return inUse; }\n    public void setInUse(boolean inUse) { this.inUse = inUse; }\n}\n\nclass ConnectionPool {\n    private final BlockingQueue<DatabaseConnection> pool;\n    private final int maxSize;\n\n    public ConnectionPool(int maxSize) {\n        this.maxSize = maxSize;\n        this.pool = new LinkedBlockingQueue<>(maxSize);\n\n        \/\/ \u9884\u521b\u5efa\u8fde\u63a5\n        for (int i = 1; i <= maxSize; i++) {\n            pool.offer(new DatabaseConnection(\"Connection-\" + i));\n        }\n    }\n\n    public DatabaseConnection acquire() throws InterruptedException {\n        DatabaseConnection conn = pool.poll();  \/\/ \u83b7\u53d6\u8fde\u63a5\n        if (conn != null) {\n            conn.setInUse(true);\n            return conn;\n        }\n\n        \/\/ \u6c60\u4e3a\u7a7a\uff0c\u7b49\u5f85\u6216\u521b\u5efa\u65b0\u8fde\u63a5\uff08\u53d6\u51b3\u4e8e\u7b56\u7565\uff09\n        System.out.println(\"\u8fde\u63a5\u6c60\u4e3a\u7a7a\uff0c\u7b49\u5f85...\");\n        return null;\n    }\n\n    public void release(DatabaseConnection conn) {\n        if (conn != null) {\n            conn.setInUse(false);\n            pool.offer(conn);  \/\/ \u653e\u56de\u6c60\u4e2d\n        }\n    }\n\n    public void shutdown() {\n        for (DatabaseConnection conn : pool) {\n            System.out.println(\"\u5173\u95ed\u8fde\u63a5: \" + conn);\n        }\n        pool.clear();\n    }\n}\n\n\/\/ \u4f7f\u7528\npublic class PoolDemo {\n    public static void main(String[] args) throws InterruptedException {\n        ConnectionPool pool = new ConnectionPool(5);\n\n        \/\/ \u6a21\u62df\u591a\u4e2a\u7ebf\u7a0b\u4f7f\u7528\u8fde\u63a5\u6c60\n        for (int i = 0; i < 10; i++) {\n            final int threadId = i;\n            new Thread(() -> {\n                try {\n                    DatabaseConnection conn = pool.acquire();\n                    if (conn != null) {\n                        conn.executeQuery(\"SELECT * FROM users\");\n                        Thread.sleep(100);\n                        pool.release(conn);\n                    }\n                } catch (InterruptedException e) {\n                    Thread.currentThread().interrupt();\n                }\n            }).start();\n        }\n\n        Thread.sleep(2000);\n        pool.shutdown();\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                                                                                          \u4e09\u3001\u5de5\u5177\u4e0e\u751f\u6001<\/strong><\/h2>\n\n\n\n
                                                                                                                                          1. \u6784\u5efa\u4e0e\u4f9d\u8d56\u7ba1\u7406\u5de5\u5177<\/strong><\/h3>\n\n\n\n
                                                                                                                                          Java\uff1aMaven vs Gradle<\/strong><\/h4>\n\n\n\n
                                                                                                                                          <!-- Maven\u7684pom.xml\uff1a\u58f0\u660e\u5f0f\u914d\u7f6e -->\n<project>\n    <modelVersion>4.0.0<\/modelVersion>\n    <groupId>com.example<\/groupId>\n    <artifactId>my-app<\/artifactId>\n    <version>1.0.0<\/version>\n\n    <dependencies>\n        <dependency>\n            <groupId>org.junit.jupiter<\/groupId>\n            <artifactId>junit-jupiter<\/artifactId>\n            <version>5.8.2<\/version>\n            <scope>test<\/scope>\n        <\/dependency>\n        <dependency>\n            <groupId>com.google.guava<\/groupId>\n            <artifactId>guava<\/artifactId>\n            <version>31.0.1-jre<\/version>\n        <\/dependency>\n    <\/dependencies>\n\n    <build>\n        <plugins>\n            <plugin>\n                <groupId>org.apache.maven.plugins<\/groupId>\n                <artifactId>maven-compiler-plugin<\/artifactId>\n                <version>3.10.1<\/version>\n                <configuration>\n                    <source>17<\/source>\n                    <target>17<\/target>\n                <\/configuration>\n            <\/plugin>\n        <\/plugins>\n    <\/build>\n<\/project><\/code><\/pre>\n\n\n\n
                                                                                                                                          \/\/ Gradle\u7684build.gradle\uff1a\u547d\u4ee4\u5f0f\u914d\u7f6e\nplugins {\n    id 'java'\n    id 'application'\n}\n\ngroup = 'com.example'\nversion = '1.0.0'\nsourceCompatibility = '17'\n\nrepositories {\n    mavenCentral()  \/\/ \u4f7f\u7528Maven\u4e2d\u592e\u4ed3\u5e93\n}\n\ndependencies {\n    \/\/ \u4f9d\u8d56\u58f0\u660e\n    implementation 'com.google.guava:guava:31.0.1-jre'\n    testImplementation 'org.junit.jupiter:junit-jupiter:5.8.2'\n}\n\napplication {\n    mainClass = 'com.example.Main'\n}\n\n\/\/ \u81ea\u5b9a\u4e49\u4efb\u52a1\ntask customTask {\n    doLast {\n        println \"\u81ea\u5b9a\u4e49Gradle\u4efb\u52a1\"\n    }\n}\n\n\/\/ \u6d4b\u8bd5\u914d\u7f6e\ntest {\n    useJUnitPlatform()\n    testLogging {\n        events \"passed\", \"skipped\", \"failed\"\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                                                                                          JavaScript\uff1anpm vs yarn vs pnpm<\/strong><\/h4>\n\n\n\n
                                                                                                                                          \/\/ package.json\uff1anpm\/yarn\u7684\u914d\u7f6e\u6587\u4ef6\n{\n  \"name\": \"my-js-app\",\n  \"version\": \"1.0.0\",\n  \"description\": \"\u4e00\u4e2aJavaScript\u5e94\u7528\",\n  \"main\": \"index.js\",\n  \"scripts\": {\n    \"start\": \"node index.js\",\n    \"dev\": \"nodemon index.js\",\n    \"test\": \"jest\",\n    \"build\": \"webpack --mode production\",\n    \"lint\": \"eslint .\"\n  },\n  \"dependencies\": {\n    \"express\": \"^4.18.0\",\n    \"lodash\": \"^4.17.21\",\n    \"axios\": \"^1.0.0\"\n  },\n  \"devDependencies\": {\n    \"jest\": \"^29.0.0\",\n    \"webpack\": \"^5.74.0\",\n    \"eslint\": \"^8.23.0\",\n    \"@types\/node\": \"^18.0.0\"\n  },\n  \"engines\": {\n    \"node\": \">=16.0.0\"\n  },\n  \"repository\": {\n    \"type\": \"git\",\n    \"url\": \"https:\/\/github.com\/username\/repo.git\"\n  }\n}<\/code><\/pre>\n\n\n\n
                                                                                                                                          # \u4e0d\u540c\u5305\u7ba1\u7406\u5668\u7684\u547d\u4ee4\u5bf9\u6bd4\nnpm install express        # npm\u5b89\u88c5\nyarn add express           # yarn\u5b89\u88c5  \npnpm add express           # pnpm\u5b89\u88c5\uff08\u8282\u7701\u78c1\u76d8\u7a7a\u95f4\uff09\n\nnpm run build             # \u8fd0\u884c\u811a\u672c\nyarn build                # \u540c\u6837\u529f\u80fd\n\nnpm update                # \u66f4\u65b0\u4f9d\u8d56\nyarn upgrade              # yarn\u5347\u7ea7\n\n# lock\u6587\u4ef6\u7684\u4f5c\u7528\npackage-lock.json        # npm\u9501\u6587\u4ef6\uff0c\u786e\u4fdd\u5b89\u88c5\u4e00\u81f4\u6027\nyarn.lock                # yarn\u9501\u6587\u4ef6\npnpm-lock.yaml           # pnpm\u9501\u6587\u4ef6<\/code><\/pre>\n\n\n\n
                                                                                                                                          Python\uff1apip vs poetry vs conda<\/strong><\/h4>\n\n\n\n
                                                                                                                                          # pyproject.toml\uff1apoetry\u7684\u914d\u7f6e\u6587\u4ef6\uff08PEP 621\u6807\u51c6\uff09<\/code><\/pre>\n\n\n
                                                                                                                                          [tool.poetry]<\/p>\n\n\n\n
                                                                                                                                          name = “my-python-app” version = “0.1.0” description = “\u4e00\u4e2aPython\u5e94\u7528” authors = [“Your Name <you@example.com>”]<\/p>\n\n\n
                                                                                                                                          [tool.poetry.dependencies]<\/p>\n\n\n\n
                                                                                                                                          python = “^3.8” requests = “^2.28.0” pandas = “^1.4.0” fastapi = {version = “^0.85.0”, optional = true}<\/p>\n\n\n
                                                                                                                                          [tool.poetry.dev-dependencies]<\/p>\n\n\n\n
                                                                                                                                          pytest = “^7.0.0” black = “^22.0.0” mypy = “^0.982.0”<\/p>\n\n\n
                                                                                                                                          [tool.poetry.scripts]<\/p>\n\n\n\n
                                                                                                                                          myapp = “myapp.cli:main”<\/p>\n\n\n
                                                                                                                                          [build-system]<\/p>\n\n\n\n
                                                                                                                                          requires = [“poetry-core>=1.0.0”] build-backend = “poetry.core.masonry.api” # \u53ef\u9009\uff1a\u914d\u7f6e<\/p>\n\n\n
                                                                                                                                          [tool.poetry.urls]<\/p>\n\n\n\n
                                                                                                                                          homepage = “https:\/\/github.com\/username\/repo” repository = “https:\/\/github.com\/username\/repo.git”<\/p>\n\n\n\n
                                                                                                                                          # setup.py\uff1a\u4f20\u7edf\u7684pip\u914d\u7f6e\u65b9\u5f0f\nfrom setuptools import setup, find_packages\n\nsetup(\n    name=\"my-python-app\",\n    version=\"0.1.0\",\n    author=\"Your Name\",\n    author_email=\"you@example.com\",\n    description=\"\u4e00\u4e2aPython\u5e94\u7528\",\n    long_description=open(\"README.md\").read(),\n    long_description_content_type=\"text\/markdown\",\n    url=\"https:\/\/github.com\/username\/repo\",\n    packages=find_packages(),\n    classifiers=[\n        \"Programming Language :: Python :: 3\",\n        \"License :: OSI Approved :: MIT License\",\n    ],\n    python_requires=\">=3.8\",\n    install_requires=[\n        \"requests>=2.28.0\",\n        \"pandas>=1.4.0\",\n    ],\n    extras_require={\n        \"web\": [\"fastapi>=0.85.0\"],\n        \"dev\": [\"pytest>=7.0.0\", \"black>=22.0.0\"],\n    },\n    entry_points={\n        \"console_scripts\": [\n            \"myapp=myapp.cli:main\",\n        ],\n    },\n)<\/code><\/pre>\n\n\n\n
                                                                                                                                          Rust\uff1acargo\uff08\u96c6\u6210\u7684\u4f18\u79c0\u5178\u8303\uff09<\/strong><\/h4>\n\n\n\n
                                                                                                                                          # Cargo.toml\uff1aRust\u7684\u5305\u7ba1\u7406\u5668\u914d\u7f6e\u6587\u4ef6<\/code><\/pre>\n\n\n
                                                                                                                                          [package]<\/p>\n\n\n\n
                                                                                                                                          name = “my-rust-app” version = “0.1.0” edition = “2021” authors = [“Your Name <you@example.com>”] description = “\u4e00\u4e2aRust\u5e94\u7528” license = “MIT OR Apache-2.0” repository = “https:\/\/github.com\/username\/repo.git” readme = “README.md” keywords = [“cli”, “web”, “async”] categories = [“command-line-utilities”] # \u4f9d\u8d56\u58f0\u660e<\/p>\n\n\n
                                                                                                                                          [dependencies]<\/p>\n\n\n\n
                                                                                                                                          tokio = { version = “1.21”, features = [“full”] } serde = { version = “1.0”, features = [“derive”] } reqwest = { version = “0.11”, features = [“json”] } thiserror = “1.0”<\/p>\n\n\n
                                                                                                                                          [dev-dependencies]<\/p>\n\n\n\n
                                                                                                                                          tokio-test = “0.4” assert_cmd = “2.0” # \u5de5\u4f5c\u533a\u914d\u7f6e\uff08\u591acrate\u9879\u76ee\uff09<\/p>\n\n\n
                                                                                                                                          [workspace]<\/p>\n\n\n\n
                                                                                                                                          members = [ “crates\/*”, “examples\/*”, ] # \u4e8c\u8fdb\u5236\u76ee\u6807 [[bin]] name = “myapp” path = “src\/main.rs” # \u5e93\u76ee\u6807<\/p>\n\n\n
                                                                                                                                          [lib]<\/p>\n\n\n\n
                                                                                                                                          name = “mylib” path = “src\/lib.rs” # \u7279\u6027\u6807\u5fd7<\/p>\n\n\n
                                                                                                                                          [features]<\/p>\n\n\n\n
                                                                                                                                          default = [] web = [“reqwest\/rustls-tls”] cli = [“clap”]<\/p>\n\n\n\n
                                                                                                                                          2. \u6784\u5efa\u5de5\u5177\u7684\u6838\u5fc3\u529f\u80fd\u5bf9\u6bd4<\/strong><\/h3>\n\n\n\n
                                                                                                                                          \u529f\u80fd<\/th>Maven<\/th>Gradle<\/th>npm\/yarn<\/th>pip\/poetry<\/th>cargo<\/th><\/tr><\/thead>
                                                                                                                                          \u4f9d\u8d56\u89e3\u6790<\/strong><\/td>\u2713 (POM)<\/td>\u2713 (DSL)<\/td>\u2713 (package.json)<\/td>\u2713 (requirements.txt\/pyproject.toml)<\/td>\u2713 (Cargo.toml)<\/td><\/tr>
                                                                                                                                          \u7248\u672c\u7ba1\u7406<\/strong><\/td>\u2713<\/td>\u2713<\/td>\u2713 (semver)<\/td>\u2713<\/td>\u2713 (\u8bed\u4e49\u5316\u7248\u672c)<\/td><\/tr>
                                                                                                                                          \u6784\u5efa\u811a\u672c<\/strong><\/td>\u2717 (XML\u6709\u9650)<\/td>\u2713 (Groovy\/Kotlin)<\/td>\u2713 (npm scripts)<\/td>\u2713 (setup.py\/pyproject.toml)<\/td>\u2713 (build.rs)<\/td><\/tr>
                                                                                                                                          \u589e\u91cf\u7f16\u8bd1<\/strong><\/td>\u2717<\/td>\u2713<\/td>\u2713 (\u90e8\u5206\u5de5\u5177)<\/td>\u2717<\/td>\u2713<\/td><\/tr>
                                                                                                                                          \u63d2\u4ef6\u7cfb\u7edf<\/strong><\/td>\u2713 (\u4e30\u5bcc)<\/td>\u2713 (\u7075\u6d3b)<\/td>\u2713 (npm\u5305)<\/td>\u2713 (setuptools\u63d2\u4ef6)<\/td>\u2713 (Cargo\u63d2\u4ef6)<\/td><\/tr>
                                                                                                                                          \u591a\u9879\u76ee\u6784\u5efa<\/strong><\/td>\u2713 (\u805a\u5408\/\u7ee7\u627f)<\/td>\u2713 (\u591a\u9879\u76ee\u6784\u5efa)<\/td>\u2713 (workspaces)<\/td>\u2717 (\u6709\u9650\u652f\u6301)<\/td>\u2713 (workspaces)<\/td><\/tr>
                                                                                                                                          \u4f9d\u8d56\u9501\u5b9a<\/strong><\/td>\u2717<\/td>\u2713 (\u9501\u5b9a\u6587\u4ef6)<\/td>\u2713 (lock\u6587\u4ef6)<\/td>\u2717 (pip) \/ \u2713 (poetry)<\/td>\u2713 (Cargo.lock)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                                                                                                                                          3. \u5355\u5143\u6d4b\u8bd5\u6846\u67b6<\/strong><\/h3>\n\n\n\n
                                                                                                                                          Java\uff1aJUnit 5<\/strong><\/h4>\n\n\n\n
                                                                                                                                          \/\/ JUnit 5\u6d4b\u8bd5\u793a\u4f8b\nimport org.junit.jupiter.api.*;\nimport static org.junit.jupiter.api.Assertions.*;\nimport static org.junit.jupiter.api.Assumptions.*;\n\nclass CalculatorTest {\n    private Calculator calculator;\n\n    @BeforeAll\n    static void setupAll() {\n        System.out.println(\"\u6240\u6709\u6d4b\u8bd5\u524d\u6267\u884c\u4e00\u6b21\");\n    }\n\n    @BeforeEach\n    void setup() {\n        calculator = new Calculator();\n        System.out.println(\"\u6bcf\u4e2a\u6d4b\u8bd5\u524d\u6267\u884c\");\n    }\n\n    @Test\n    @DisplayName(\"\u6d4b\u8bd5\u52a0\u6cd5\")\n    void testAddition() {\n        \/\/ \u7ed9\u5b9a\n        int a = 5;\n        int b = 3;\n\n        \/\/ \u5f53\n        int result = calculator.add(a, b);\n\n        \/\/ \u90a3\u4e48\n        assertEquals(8, result, \"5 + 3 \u5e94\u8be5\u7b49\u4e8e 8\");\n    }\n\n    @Test\n    @DisplayName(\"\u6d4b\u8bd5\u9664\u6cd5 - \u6b63\u5e38\u60c5\u51b5\")\n    void testDivision() {\n        assertDoesNotThrow(() -> {\n            double result = calculator.divide(10, 2);\n            assertEquals(5.0, result, 0.001);\n        });\n    }\n\n    @Test\n    @DisplayName(\"\u6d4b\u8bd5\u9664\u6cd5 - \u9664\u96f6\u5f02\u5e38\")\n    void testDivisionByZero() {\n        ArithmeticException exception = assertThrows(\n            ArithmeticException.class,\n            () -> calculator.divide(10, 0)\n        );\n\n        assertEquals(\"Division by zero\", exception.getMessage());\n    }\n\n    @Test\n    @DisplayName(\"\u6761\u4ef6\u6d4b\u8bd5 - \u53ea\u5728Windows\u8fd0\u884c\")\n    void testOnWindowsOnly() {\n        assumeTrue(System.getProperty(\"os.name\").contains(\"Windows\"));\n\n        \/\/ \u8fd9\u4e2a\u6d4b\u8bd5\u53ea\u5728Windows\u4e0a\u8fd0\u884c\n        assertTrue(true);\n    }\n\n    @ParameterizedTest\n    @CsvSource({\n        \"1, 1, 2\",\n        \"2, 3, 5\",\n        \"10, -5, 5\"\n    })\n    @DisplayName(\"\u53c2\u6570\u5316\u6d4b\u8bd5\u52a0\u6cd5\")\n    void parameterizedAddition(int a, int b, int expected) {\n        assertEquals(expected, calculator.add(a, b));\n    }\n\n    @Nested\n    @DisplayName(\"\u5f53\u8ba1\u7b97\u5668\u6709\u72b6\u6001\u65f6\")\n    class WhenCalculatorHasState {\n        private Calculator calculator;\n\n        @BeforeEach\n        void setupWithState() {\n            calculator = new Calculator();\n            calculator.setMemory(100);\n        }\n\n        @Test\n        @DisplayName(\"\u6d4b\u8bd5\u5185\u5b58\u529f\u80fd\")\n        void testMemory() {\n            calculator.addToMemory(50);\n            assertEquals(150, calculator.getMemory());\n        }\n    }\n\n    @AfterEach\n    void cleanup() {\n        System.out.println(\"\u6bcf\u4e2a\u6d4b\u8bd5\u540e\u6267\u884c\");\n    }\n\n    @AfterAll\n    static void cleanupAll() {\n        System.out.println(\"\u6240\u6709\u6d4b\u8bd5\u540e\u6267\u884c\u4e00\u6b21\");\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                                                                                          Python\uff1apytest<\/strong><\/h4>\n\n\n\n
                                                                                                                                          # pytest\u6d4b\u8bd5\u793a\u4f8b\nimport pytest\nfrom myapp.calculator import Calculator\nfrom myapp.exceptions import DivisionByZeroError\n\n# \u6d4b\u8bd5\u7c7b\nclass TestCalculator:\n    @pytest.fixture\n    def calculator(self):\n        \"\"\"\u6d4b\u8bd5\u5939\u5177\uff1a\u6bcf\u4e2a\u6d4b\u8bd5\u524d\u521b\u5efa\u65b0\u7684\u8ba1\u7b97\u5668\"\"\"\n        return Calculator()\n\n    def test_addition(self, calculator):\n        \"\"\"\u6d4b\u8bd5\u52a0\u6cd5\"\"\"\n        result = calculator.add(5, 3)\n        assert result == 8, \"5 + 3 \u5e94\u8be5\u7b49\u4e8e 8\"\n\n    def test_division_normal(self, calculator):\n        \"\"\"\u6d4b\u8bd5\u9664\u6cd5 - \u6b63\u5e38\u60c5\u51b5\"\"\"\n        result = calculator.divide(10, 2)\n        assert result == 5.0\n        # \u4f7f\u7528\u8fd1\u4f3c\u6bd4\u8f83\n        assert calculator.divide(1, 3) == pytest.approx(0.333333, rel=1e-6)\n\n    def test_division_by_zero(self, calculator):\n        \"\"\"\u6d4b\u8bd5\u9664\u6cd5 - \u9664\u96f6\u5f02\u5e38\"\"\"\n        with pytest.raises(DivisionByZeroError) as exc_info:\n            calculator.divide(10, 0)\n\n        assert str(exc_info.value) == \"Division by zero\"\n        assert exc_info.value.error_code == \"DIV_ZERO\"\n\n    @pytest.mark.parametrize(\"a,b,expected\", [\n        (1, 1, 2),\n        (2, 3, 5),\n        (10, -5, 5),\n    ])\n    def test_parameterized_addition(self, calculator, a, b, expected):\n        \"\"\"\u53c2\u6570\u5316\u6d4b\u8bd5\"\"\"\n        assert calculator.add(a, b) == expected\n\n    @pytest.mark.slow\n    def test_slow_operation(self, calculator):\n        \"\"\"\u6807\u8bb0\u4e3a\u6162\u6d4b\u8bd5\"\"\"\n        import time\n        time.sleep(1)  # \u6a21\u62df\u6162\u64cd\u4f5c\n        assert calculator.fibonacci(30) == 832040\n\n    @pytest.mark.skipif(\n        sys.platform != \"win32\",\n        reason=\"\u53ea\u5728Windows\u4e0a\u8fd0\u884c\"\n    )\n    def test_windows_only(self, calculator):\n        \"\"\"\u6761\u4ef6\u8df3\u8fc7\u6d4b\u8bd5\"\"\"\n        assert calculator.windows_specific_operation() is True\n\n    @pytest.mark.xfail(reason=\"\u5df2\u77e5\u95ee\u9898\uff0c\u5f85\u4fee\u590d\")\n    def test_known_bug(self, calculator):\n        \"\"\"\u9884\u671f\u4f1a\u5931\u8d25\u7684\u6d4b\u8bd5\"\"\"\n        # \u8fd9\u4e2a\u6d4b\u8bd5\u9884\u671f\u4f1a\u5931\u8d25\n        assert calculator.buggy_function() == 42\n\n# \u4f7f\u7528\u5939\u5177\u5de5\u5382\n@pytest.fixture\ndef calculator_factory():\n    \"\"\"\u5939\u5177\u5de5\u5382\uff1a\u521b\u5efa\u4e0d\u540c\u914d\u7f6e\u7684\u8ba1\u7b97\u5668\"\"\"\n    calculators = []\n\n    def _make_calculator(config=None):\n        calc = Calculator(config=config)\n        calculators.append(calc)\n        return calc\n\n    yield _make_calculator\n\n    # \u6e05\u7406\uff1a\u6240\u6709\u6d4b\u8bd5\u7ed3\u675f\u540e\u6267\u884c\n    for calc in calculators:\n        calc.cleanup()\n\n# \u5f02\u6b65\u6d4b\u8bd5\n@pytest.mark.asyncio\nasync def test_async_calculation():\n    \"\"\"\u5f02\u6b65\u6d4b\u8bd5\"\"\"\n    from myapp.async_calculator import AsyncCalculator\n\n    calc = AsyncCalculator()\n    result = await calc.async_add(5, 3)\n    assert result == 8\n\n# \u4f7f\u7528\u7334\u5b50\u8865\u4e01\ndef test_with_monkeypatch(monkeypatch):\n    \"\"\"\u6d4b\u8bd5\u4e2d\u4f7f\u7528\u7334\u5b50\u8865\u4e01\"\"\"\n    import random\n\n    # \u56fa\u5b9arandom.random()\u7684\u8fd4\u56de\u503c\n    monkeypatch.setattr(random, 'random', lambda: 0.5)\n    assert random.random() == 0.5\n\n    # \u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\n    monkeypatch.setenv(\"APP_ENV\", \"test\")\n    assert os.getenv(\"APP_ENV\") == \"test\"\n\n# \u6d4b\u8bd5\u8986\u76d6\u7387\u62a5\u544a\n# \u8fd0\u884c: pytest --cov=myapp --cov-report=html tests\/<\/code><\/pre>\n\n\n\n
                                                                                                                                          JavaScript\uff1aJest<\/strong><\/h4>\n\n\n\n
                                                                                                                                          \/\/ Jest\u6d4b\u8bd5\u793a\u4f8b\nconst Calculator = require('.\/calculator');\nconst { divide, fetchData } = require('.\/math');\n\n\/\/ \u6a21\u62df\u4f9d\u8d56\njest.mock('.\/api');\nconst api = require('.\/api');\n\n\/\/ \u6d4b\u8bd5\u5957\u4ef6\ndescribe('Calculator', () => {\n  let calculator;\n\n  \/\/ \u5728\u6bcf\u4e2a\u6d4b\u8bd5\u524d\u8fd0\u884c\n  beforeEach(() => {\n    calculator = new Calculator();\n    \/\/ \u6e05\u9664\u6240\u6709\u6a21\u62df\u8c03\u7528\u8bb0\u5f55\n    jest.clearAllMocks();\n  });\n\n  \/\/ \u5728\u6240\u6709\u6d4b\u8bd5\u540e\u8fd0\u884c\n  afterAll(() => {\n    console.log('\u6240\u6709Calculator\u6d4b\u8bd5\u5b8c\u6210');\n  });\n\n  test('should add two numbers correctly', () => {\n    \/\/ \u7ed9\u5b9a\n    const a = 5;\n    const b = 3;\n\n    \/\/ \u5f53\n    const result = calculator.add(a, b);\n\n    \/\/ \u90a3\u4e48\n    expect(result).toBe(8);\n    expect(result).toEqual(8);\n    expect(result).not.toBe(9);\n  });\n\n  test('should handle division by zero', () => {\n    \/\/ \u6d4b\u8bd5\u5f02\u5e38\n    expect(() => calculator.divide(10, 0)).toThrow();\n    expect(() => calculator.divide(10, 0)).toThrow('Division by zero');\n    expect(() => calculator.divide(10, 0)).toThrow(\/Division\/);\n  });\n\n  describe('when using memory', () => {\n    beforeEach(() => {\n      calculator.setMemory(100);\n    });\n\n    test('should add to memory', () => {\n      calculator.addToMemory(50);\n      expect(calculator.getMemory()).toBe(150);\n    });\n\n    test('should clear memory', () => {\n      calculator.clearMemory();\n      expect(calculator.getMemory()).toBe(0);\n    });\n  });\n\n  \/\/ \u53c2\u6570\u5316\u6d4b\u8bd5\n  test.each([\n    [1, 1, 2],\n    [2, 3, 5],\n    [10, -5, 5],\n  ])('adds %i + %i = %i', (a, b, expected) => {\n    expect(calculator.add(a, b)).toBe(expected);\n  });\n});\n\n\/\/ \u5f02\u6b65\u6d4b\u8bd5\ndescribe('Async operations', () => {\n  test('should fetch data correctly', async () => {\n    \/\/ \u6a21\u62dfAPI\u54cd\u5e94\n    api.getData.mockResolvedValue({ data: 'test' });\n\n    const result = await fetchData();\n\n    expect(result).toEqual({ data: 'test' });\n    expect(api.getData).toHaveBeenCalledTimes(1);\n    expect(api.getData).toHaveBeenCalledWith('endpoint');\n  });\n\n  test('should handle fetch error', async () => {\n    api.getData.mockRejectedValue(new Error('Network error'));\n\n    await expect(fetchData()).rejects.toThrow('Network error');\n  });\n});\n\n\/\/ \u5feb\u7167\u6d4b\u8bd5\ntest('renders UI component correctly', () => {\n  const component = renderComponent({ title: 'Test' });\n\n  \/\/ \u9996\u6b21\u8fd0\u884c\u4f1a\u521b\u5efa\u5feb\u7167\uff0c\u540e\u7eed\u8fd0\u884c\u4f1a\u6bd4\u8f83\n  expect(component).toMatchSnapshot();\n});\n\n\/\/ \u5b9a\u65f6\u5668\u6d4b\u8bd5\ndescribe('Timer functions', () => {\n  jest.useFakeTimers();\n\n  test('calls callback after delay', () => {\n    const callback = jest.fn();\n\n    setTimeout(callback, 1000);\n\n    \/\/ \u5feb\u8fdb\u65f6\u95f4\n    jest.advanceTimersByTime(1000);\n\n    expect(callback).toHaveBeenCalledTimes(1);\n  });\n});\n\n\/\/ \u8986\u76d6\u7387\u62a5\u544a\n\/\/ \u5728package.json\u4e2d\u914d\u7f6e:\n\/\/ \"scripts\": {\n\/\/   \"test\": \"jest --coverage\"\n\/\/ }<\/code><\/pre>\n\n\n\n
                                                                                                                                          \u56db\u3001API\/\u5951\u7ea6\u8bbe\u8ba1<\/strong><\/h2>\n\n\n\n
                                                                                                                                          1. API\u8bbe\u8ba1\u539f\u5219<\/strong><\/h3>\n\n\n\n
                                                                                                                                          a. \u6700\u5c0f\u60ca\u8bb6\u539f\u5219<\/strong><\/h4>\n\n\n\n
                                                                                                                                          # \u597d\u7684API\uff1a\u884c\u4e3a\u7b26\u5408\u76f4\u89c9\nclass FileSystem:\n    def open(self, path: str, mode: str = \"r\") -> File:\n        \"\"\"\u6253\u5f00\u6587\u4ef6\uff0c\u884c\u4e3a\u7c7b\u4f3cPython\u5185\u7f6eopen()\"\"\"\n        pass\n\n    def list_directory(self, path: str) -> List[str]:\n        \"\"\"\u5217\u51fa\u76ee\u5f55\u5185\u5bb9\uff0c\u8fd4\u56de\u6587\u4ef6\u540d\u5217\u8868\"\"\"\n        pass\n\n    def copy(self, source: str, destination: str) -> None:\n        \"\"\"\u590d\u5236\u6587\u4ef6\uff0c\u6e90\u548c\u76ee\u6807\u8def\u5f84\u6e05\u6670\"\"\"\n        pass\n\n# \u574f\u7684API\uff1a\u884c\u4e3a\u4ee4\u4eba\u60ca\u8bb6\nclass BadFileSystem:\n    def open_file(self, path: str, read_mode: bool = True) -> File:\n        \"\"\"\u53c2\u6570\u542b\u4e49\u4e0d\u6e05\u6670\uff0c\u9ed8\u8ba4\u884c\u4e3a\u4e0d\u660e\u786e\"\"\"\n        pass\n\n    def get_dir_contents(self, dir_path: str) -> Dict[str, Any]:\n        \"\"\"\u8fd4\u56de\u7c7b\u578b\u590d\u6742\uff0c\u7528\u6237\u9700\u8981\u89e3\u6790\"\"\"\n        pass<\/code><\/pre>\n\n\n\n
                                                                                                                                          b. \u4e00\u81f4\u6027\u539f\u5219<\/strong><\/h4>\n\n\n\n
                                                                                                                                          \/\/ \u4e00\u81f4\u7684API\u8bbe\u8ba1\ninterface DatabaseAPI {\n    \/\/ \u6240\u6709\u67e5\u8be2\u65b9\u6cd5\u4ee5'find'\u5f00\u5934\n    findById(id: string): Promise<User>;\n    findByEmail(email: string): Promise<User>;\n    findAll(limit?: number): Promise<User[]>;\n\n    \/\/ \u6240\u6709\u64cd\u4f5c\u6210\u529f\u8fd4\u56de\u5bf9\u8c61\uff0c\u5931\u8d25\u629b\u51fa\u5f02\u5e38\n    create(user: User): Promise<User>;\n    update(id: string, changes: Partial<User>): Promise<User>;\n    delete(id: string): Promise<void>;\n\n    \/\/ \u4e00\u81f4\u7684\u9519\u8bef\u5904\u7406\n    \/\/ \u6240\u6709\u65b9\u6cd5\u90fd\u629b\u51faDatabaseError\u6216\u5176\u5b50\u7c7b\n}\n\n\/\/ \u4e0d\u4e00\u81f4\u7684API\uff1a\u96be\u4ee5\u8bb0\u5fc6\u548c\u4f7f\u7528\ninterface InconsistentAPI {\n    getUser(id: string): Promise<User>;  \/\/ \u52a8\u8bcd+\u540d\u8bcd\n    queryByEmail(email: string): Promise<User>;  \/\/ \u4e0d\u540c\u7684\u52a8\u8bcd\u524d\u7f00\n    getList(limit?: number): Promise<User[]>;  \/\/ \u4e0d\u540c\u7684\u547d\u540d\n    createUser(user: User): Promise<CreateResult>;  \/\/ \u8fd4\u56de\u7c7b\u578b\u4e0d\u4e00\u81f4\n    remove(id: string): Promise<boolean>;  \/\/ \u5e03\u5c14\u8fd4\u56de\u503c\n}<\/code><\/pre>\n\n\n\n
                                                                                                                                          c. \u6b63\u4ea4\u6027\u539f\u5219<\/strong><\/h4>\n\n\n\n
                                                                                                                                          \/\/ \u6b63\u4ea4\u7684API\uff1a\u6bcf\u4e2a\u65b9\u6cd5\u505a\u4e00\u4ef6\u4e8b\npublic interface PaymentProcessor {\n    \/\/ \u804c\u8d23\u6e05\u6670\u5206\u79bb\n    PaymentResult authorize(PaymentRequest request);\n    PaymentResult capture(String transactionId, BigDecimal amount);\n    PaymentResult refund(String transactionId, BigDecimal amount);\n    PaymentStatus checkStatus(String transactionId);\n\n    \/\/ \u4e0d\u662f\u8fd9\u6837\uff1a\n    \/\/ PaymentResult authorizeAndCapture(PaymentRequest request); \/\/ \u8fdd\u53cd\u5355\u4e00\u804c\u8d23\n}\n\n\/\/ \u6b63\u4ea4\u7684\u8bbe\u8ba1\uff1a\u914d\u7f6e\u4e0e\u6267\u884c\u5206\u79bb\npublic class HttpClient {\n    private final Config config;\n\n    public static class Builder {\n        private int timeout = 5000;\n        private int maxRetries = 3;\n\n        public Builder timeout(int timeout) { this.timeout = timeout; return this; }\n        public Builder maxRetries(int maxRetries) { this.maxRetries = maxRetries; return this; }\n        public HttpClient build() { return new HttpClient(this); }\n    }\n\n    private HttpClient(Builder builder) {\n        this.config = new Config(builder.timeout, builder.maxRetries);\n    }\n\n    public Response get(String url) { \/* \u5b9e\u73b0 *\/ }\n    public Response post(String url, String body) { \/* \u5b9e\u73b0 *\/ }\n}\n\n\/\/ \u4f7f\u7528\nHttpClient client = new HttpClient.Builder()\n    .timeout(10000)\n    .maxRetries(5)\n    .build();<\/code><\/pre>\n\n\n\n
                                                                                                                                          2. API\u7248\u672c\u7ba1\u7406\u7b56\u7565<\/strong><\/h3>\n\n\n\n
                                                                                                                                          # \u7248\u672c\u7ba1\u7406\uff1aURL\u8def\u5f84\u7248\u672c\u63a7\u5236\n# app.py\nfrom fastapi import FastAPI, APIRouter\nfrom pydantic import BaseModel\n\napp = FastAPI(title=\"My API\")\n\n# \u7248\u672c1\u7684API\nv1_router = APIRouter(prefix=\"\/api\/v1\")\n\nclass UserV1(BaseModel):\n    name: str\n    email: str\n\n@v1_router.post(\"\/users\")\nasync def create_user_v1(user: UserV1):\n    # \u7248\u672c1\u7684\u5b9e\u73b0\n    return {\"id\": 1, **user.dict()}\n\n@v1_router.get(\"\/users\/{user_id}\")\nasync def get_user_v1(user_id: int):\n    return {\"id\": user_id, \"name\": \"John\", \"email\": \"john@example.com\"}\n\n# \u7248\u672c2\u7684API\uff08\u5411\u540e\u517c\u5bb9\u7684\u53d8\u66f4\uff09\nv2_router = APIRouter(prefix=\"\/api\/v2\")\n\nclass UserV2(BaseModel):\n    name: str\n    email: str\n    phone: str | None = None  # \u65b0\u589e\u5b57\u6bb5\n\n@v2_router.post(\"\/users\")\nasync def create_user_v2(user: UserV2):\n    # \u7248\u672c2\u7684\u5b9e\u73b0\n    return {\"id\": 1, **user.dict()}\n\n@v2_router.get(\"\/users\/{user_id}\")\nasync def get_user_v2(user_id: int):\n    # \u8fd4\u56de\u65b0\u683c\u5f0f\n    return {\n        \"id\": user_id,\n        \"name\": \"John\",\n        \"email\": \"john@example.com\",\n        \"phone\": \"+1234567890\",\n        \"created_at\": \"2023-01-01T00:00:00Z\"  # \u65b0\u589e\u5b57\u6bb5\n    }\n\n# \u6ce8\u518c\u8def\u7531\napp.include_router(v1_router)\napp.include_router(v2_router)\n\n# \u5f03\u7528\u8b66\u544a\nfrom fastapi import Depends, Header\nfrom typing import Annotated\n\n@v1_router.get(\"\/deprecated-endpoint\", deprecated=True)\nasync def deprecated_endpoint():\n    return {\"message\": \"\u8fd9\u4e2a\u7aef\u70b9\u5df2\u5f03\u7528\uff0c\u8bf7\u4f7f\u7528 \/api\/v2\/new-endpoint\"}\n\n# \u901a\u8fc7\u8bf7\u6c42\u5934\u63a7\u5236\u7248\u672c\ndef get_api_version(accept: Annotated[str, Header()] = \"application\/vnd.myapi.v1+json\"):\n    \"\"\"\u4eceAccept\u5934\u89e3\u6790API\u7248\u672c\"\"\"\n    if \"vnd.myapi.v2\" in accept:\n        return \"v2\"\n    elif \"vnd.myapi.v1\" in accept:\n        return \"v1\"\n    else:\n        return \"v1\"  # \u9ed8\u8ba4\u7248\u672c\n\n@app.get(\"\/users\/{user_id}\")\nasync def get_user(\n    user_id: int,\n    version: Annotated[str, Depends(get_api_version)]\n):\n    if version == \"v2\":\n        return get_user_v2(user_id)\n    else:\n        return get_user_v1(user_id)<\/code><\/pre>\n\n\n\n
                                                                                                                                          3. API\u6587\u6863\u4e0e\u5951\u7ea6<\/strong><\/h3>\n\n\n\n
                                                                                                                                          # OpenAPI\/Swagger\u89c4\u8303\u793a\u4f8b\nopenapi: 3.0.0\ninfo:\n  title: \u7528\u6237\u670d\u52a1API\n  version: 1.0.0\n  description: \u7528\u6237\u7ba1\u7406API\n  contact:\n    name: API\u652f\u6301\n    email: support@example.com\n\nservers:\n  - url: https:\/\/api.example.com\/v1\n    description: \u751f\u4ea7\u670d\u52a1\u5668\n  - url: https:\/\/staging-api.example.com\/v1\n    description: \u6d4b\u8bd5\u670d\u52a1\u5668\n\npaths:\n  \/users:\n    get:\n      summary: \u83b7\u53d6\u7528\u6237\u5217\u8868\n      description: \u8fd4\u56de\u5206\u9875\u7684\u7528\u6237\u5217\u8868\n      parameters:\n        - name: page\n          in: query\n          schema:\n            type: integer\n            minimum: 1\n            default: 1\n          description: \u9875\u7801\n        - name: limit\n          in: query\n          schema:\n            type: integer\n            minimum: 1\n            maximum: 100\n            default: 20\n          description: \u6bcf\u9875\u6570\u91cf\n      responses:\n        '200':\n          description: \u6210\u529f\n          content:\n            application\/json:\n              schema:\n                $ref: '#\/components\/schemas\/UserListResponse'\n        '400':\n          description: \u8bf7\u6c42\u53c2\u6570\u9519\u8bef\n        '500':\n          description: \u670d\u52a1\u5668\u5185\u90e8\u9519\u8bef\n\n    post:\n      summary: \u521b\u5efa\u7528\u6237\n      requestBody:\n        required: true\n        content:\n          application\/json:\n            schema:\n              $ref: '#\/components\/schemas\/CreateUserRequest'\n      responses:\n        '201':\n          description: \u7528\u6237\u521b\u5efa\u6210\u529f\n          headers:\n            Location:\n              schema:\n                type: string\n              description: \u65b0\u7528\u6237\u8d44\u6e90\u4f4d\u7f6e\n        '409':\n          description: \u7528\u6237\u5df2\u5b58\u5728\n\ncomponents:\n  schemas:\n    CreateUserRequest:\n      type: object\n      required:\n        - name\n        - email\n      properties:\n        name:\n          type: string\n          minLength: 1\n          maxLength: 100\n          example: \"\u5f20\u4e09\"\n        email:\n          type: string\n          format: email\n          example: \"zhangsan@example.com\"\n        phone:\n          type: string\n          pattern: '^\\+?[1-9]\\d{1,14}$'\n          description: E.164\u683c\u5f0f\u7684\u7535\u8bdd\u53f7\u7801\n\n    UserListResponse:\n      type: object\n      properties:\n        page:\n          type: integer\n          example: 1\n        limit:\n          type: integer\n          example: 20\n        total:\n          type: integer\n          example: 100\n        data:\n          type: array\n          items:\n            $ref: '#\/components\/schemas\/User'\n\n    User:\n      type: object\n      properties:\n        id:\n          type: integer\n          example: 1\n        name:\n          type: string\n          example: \"\u5f20\u4e09\"\n        email:\n          type: string\n          example: \"zhangsan@example.com\"\n        created_at:\n          type: string\n          format: date-time\n          example: \"2023-01-01T00:00:00Z\"\n        updated_at:\n          type: string\n          format: date-time\n          example: \"2023-01-02T00:00:00Z\"<\/code><\/pre>\n\n\n\n
                                                                                                                                          4. API\u6d4b\u8bd5\u7b56\u7565<\/strong><\/h3>\n\n\n\n
                                                                                                                                          \/\/ \u4f7f\u7528\u5951\u7ea6\u6d4b\u8bd5\uff08Pact\uff09\u786e\u4fddAPI\u517c\u5bb9\u6027\nimport au.com.dius.pact.consumer.Pact;\nimport au.com.dius.pact.consumer.PactProviderRuleMk2;\nimport au.com.dius.pact.consumer.PactVerification;\nimport au.com.dius.pact.consumer.dsl.PactDslWithProvider;\nimport au.com.dius.pact.model.RequestResponsePact;\nimport org.junit.Rule;\nimport org.junit.Test;\n\nimport java.util.HashMap;\nimport java.util.Map;\n\nimport static org.junit.Assert.assertEquals;\n\npublic class UserServiceConsumerTest {\n\n    @Rule\n    public PactProviderRuleMk2 mockProvider = \n        new PactProviderRuleMk2(\"UserService\", \"localhost\", 8080, this);\n\n    \/\/ \u5b9a\u4e49\u6d88\u8d39\u8005\u671f\u671b\u7684\u5951\u7ea6\n    @Pact(consumer = \"WebApplication\")\n    public RequestResponsePact createPact(PactDslWithProvider builder) {\n        Map<String, String> headers = new HashMap<>();\n        headers.put(\"Content-Type\", \"application\/json\");\n\n        return builder\n            .given(\"\u7528\u6237ID 1\u5b58\u5728\")\n            .uponReceiving(\"\u83b7\u53d6ID\u4e3a1\u7684\u7528\u6237\u8bf7\u6c42\")\n                .path(\"\/api\/v1\/users\/1\")\n                .method(\"GET\")\n            .willRespondWith()\n                .status(200)\n                .headers(headers)\n                .body(\"{\\\"id\\\": 1, \\\"name\\\": \\\"\u5f20\u4e09\\\", \\\"email\\\": \\\"zhangsan@example.com\\\"}\")\n            .given(\"\u521b\u5efa\u65b0\u7528\u6237\")\n            .uponReceiving(\"\u521b\u5efa\u7528\u6237\u8bf7\u6c42\")\n                .method(\"POST\")\n                .path(\"\/api\/v1\/users\")\n                .body(\"{\\\"name\\\": \\\"\u674e\u56db\\\", \\\"email\\\": \\\"lisi@example.com\\\"}\")\n            .willRespondWith()\n                .status(201)\n                .headers(headers)\n                .body(\"{\\\"id\\\": 2, \\\"name\\\": \\\"\u674e\u56db\\\", \\\"email\\\": \\\"lisi@example.com\\\"}\")\n            .toPact();\n    }\n\n    \/\/ \u9a8c\u8bc1\u5951\u7ea6\n    @Test\n    @PactVerification(\"UserService\")\n    public void testUserService() {\n        \/\/ \u4f7f\u7528\u5951\u7ea6\u751f\u6210\u7684\u670d\u52a1\u7aef\u8fdb\u884c\u6d4b\u8bd5\n        UserServiceClient client = new UserServiceClient(\"http:\/\/localhost:8080\");\n\n        \/\/ \u6d4b\u8bd5\u83b7\u53d6\u7528\u6237\n        User user = client.getUser(1);\n        assertEquals(1, user.getId());\n        assertEquals(\"\u5f20\u4e09\", user.getName());\n\n        \/\/ \u6d4b\u8bd5\u521b\u5efa\u7528\u6237\n        User newUser = new User(null, \"\u674e\u56db\", \"lisi@example.com\");\n        User created = client.createUser(newUser);\n        assertEquals(2, created.getId());\n        assertEquals(\"\u674e\u56db\", created.getName());\n    }\n}<\/code><\/pre>\n\n\n\n
                                                                                                                                          \u4e94\u3001\u73b0\u4ee3\u5316\u5de5\u7a0b\u5b9e\u8df5<\/strong><\/h2>\n\n\n\n
                                                                                                                                          1. \u6301\u7eed\u96c6\u6210\/\u6301\u7eed\u90e8\u7f72\uff08CI\/CD\uff09<\/strong><\/h3>\n\n\n\n
                                                                                                                                          # GitHub Actions CI\/CD\u914d\u7f6e\u793a\u4f8b\nname: CI\/CD Pipeline\n\non:\n  push:\n    branches: [main, develop]\n  pull_request:\n    branches: [main]\n\njobs:\n  test:\n    runs-on: ubuntu-latest\n    strategy:\n      matrix:\n        java-version: [11, 17]\n        node-version: [16.x, 18.x]\n\n    steps:\n      - uses: actions\/checkout@v3\n\n      - name: Setup Java\n        uses: actions\/setup-java@v3\n        with:\n          java-version: ${{ matrix.java-version }}\n          distribution: 'temurin'\n\n      - name: Setup Node.js\n        uses: actions\/setup-node@v3\n        with:\n          node-version: ${{ matrix.node-version }}\n\n      - name: Cache dependencies\n        uses: actions\/cache@v3\n        with:\n          path: |\n            ~\/.m2\n            ~\/.gradle\n            node_modules\n          key: ${{ runner.os }}-deps-${{ hashFiles('**\/pom.xml', '**\/build.gradle', '**\/package-lock.json') }}\n\n      - name: Run unit tests\n        run: |\n          .\/mvnw test || .\/gradlew test\n          npm test\n\n      - name: Run integration tests\n        run: |\n          .\/mvnw verify -Pintegration || .\/gradlew integrationTest\n\n      - name: Upload test results\n        uses: actions\/upload-artifact@v3\n        if: always()\n        with:\n          name: test-results-${{ matrix.java-version }}-${{ matrix.node-version }}\n          path: |\n            **\/target\/surefire-reports\n            **\/build\/reports\/tests\n            coverage\/\n\n  security:\n    runs-on: ubuntu-latest\n    needs: test\n\n    steps:\n      - uses: actions\/checkout@v3\n\n      - name: Dependency vulnerability check\n        run: |\n          npm audit\n          .\/mvnw dependency-check:check || true\n\n      - name: CodeQL Analysis\n        uses: github\/codeql-action\/analyze@v2\n\n  build:\n    runs-on: ubuntu-latest\n    needs: [test, security]\n\n    steps:\n      - uses: actions\/checkout@v3\n\n      - name: Build and package\n        run: |\n          .\/mvnw clean package -DskipTests || .\/gradlew build -x test\n          npm run build\n\n      - name: Build Docker image\n        run: |\n          docker build -t myapp:${{ github.sha }} .\n          docker tag myapp:${{ github.sha }} myapp:latest\n\n      - name: Push to Registry\n        if: github.ref == 'refs\/heads\/main'\n        run: |\n          echo \"${{ secrets.DOCKER_PASSWORD }}\" | docker login -u \"${{ secrets.DOCKER_USERNAME }}\" --password-stdin\n          docker push myapp:${{ github.sha }}\n          docker push myapp:latest\n\n  deploy:\n    runs-on: ubuntu-latest\n    needs: build\n    if: github.ref == 'refs\/heads\/main'\n\n    steps:\n      - name: Deploy to production\n        run: |\n          # \u90e8\u7f72\u903b\u8f91\n          echo \"Deploying version ${{ github.sha }}\"\n        env:\n          KUBECONFIG: ${{ secrets.KUBECONFIG }}<\/code><\/pre>\n\n\n\n
                                                                                                                                          2. \u4ee3\u7801\u8d28\u91cf\u4e0e\u9759\u6001\u5206\u6790<\/strong><\/h3>\n\n\n\n
                                                                                                                                          <!-- Maven\u8d28\u91cf\u68c0\u67e5\u914d\u7f6e -->\n<project>\n  <build>\n    <plugins>\n      <plugin>\n        <groupId>org.apache.maven.plugins<\/groupId>\n        <artifactId>maven-checkstyle-plugin<\/artifactId>\n        <version>3.2.0<\/version>\n        <configuration>\n          <configLocation>google_checks.xml<\/configLocation>\n        <\/configuration>\n        <executions>\n          <execution>\n            <goals>\n              <goal>check<\/goal>\n            <\/goals>\n          <\/execution>\n        <\/executions>\n      <\/plugin>\n\n      <plugin>\n        <groupId>org.apache.maven.plugins<\/groupId>\n        <artifactId>maven-pmd-plugin<\/artifactId>\n        <version>3.18.0<\/version>\n        <executions>\n          <execution>\n            <goals>\n              <goal>check<\/goal>\n            <\/goals>\n          <\/execution>\n        <\/executions>\n      <\/plugin>\n\n      <plugin>\n        <groupId>org.jacoco<\/groupId>\n        <artifactId>jacoco-maven-plugin<\/artifactId>\n        <version>0.8.8<\/version>\n        <executions>\n          <execution>\n            <goals>\n              <goal>prepare-agent<\/goal>\n            <\/goals>\n          <\/execution>\n          <execution>\n            <id>report<\/id>\n            <phase>test<\/phase>\n            <goals>\n              <goal>report<\/goal>\n            <\/goals>\n          <\/execution>\n        <\/executions>\n      <\/plugin>\n    <\/plugins>\n  <\/build>\n<\/project><\/code><\/pre>\n\n\n\n
                                                                                                                                          \u516d\u3001\u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n\n\n\n
                                                                                                                                          \u5bf9\u8c61\u751f\u547d\u5468\u671f\u7ba1\u7406\u8981\u70b9<\/strong><\/h3>\n\n\n\n
                                                                                                                                            \n
                                                                                                                                          1. \u7406\u89e3\u8bed\u8a00\u7684\u8d44\u6e90\u7ba1\u7406\u6a21\u578b<\/strong>\uff1a\u662f\u624b\u52a8\u3001\u81ea\u52a8\u8fd8\u662f\u6240\u6709\u6743\u7cfb\u7edf\uff1f<\/li>\n\n\n\n
                                                                                                                                          2. \u9009\u62e9\u9002\u5f53\u7684\u6a21\u5f0f<\/strong>\uff1aRAII\u3001\u667a\u80fd\u6307\u9488\u3001\u5bf9\u8c61\u6c60\u7b49<\/li>\n\n\n\n
                                                                                                                                          3. \u6ce8\u610f\u8d44\u6e90\u6cc4\u6f0f<\/strong>\uff1a\u7279\u522b\u662f\u6587\u4ef6\u53e5\u67c4\u3001\u7f51\u7edc\u8fde\u63a5\u3001\u6570\u636e\u5e93\u8fde\u63a5<\/li>\n\n\n\n
                                                                                                                                          4. \u8003\u8651\u5f02\u5e38\u5b89\u5168<\/strong>\uff1a\u786e\u4fdd\u5f02\u5e38\u53d1\u751f\u65f6\u8d44\u6e90\u6b63\u786e\u91ca\u653e<\/li>\n<\/ol>\n\n\n\n
                                                                                                                                            \u5de5\u5177\u4e0e\u751f\u6001\u6700\u4f73\u5b9e\u8df5<\/strong><\/h3>\n\n\n\n
                                                                                                                                              \n
                                                                                                                                            1. \u4f9d\u8d56\u7ba1\u7406<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                                                \n
                                                                                                                                              • \u4f7f\u7528\u9501\u6587\u4ef6\u786e\u4fdd\u6784\u5efa\u53ef\u91cd\u73b0\u6027<\/li>\n\n\n\n
                                                                                                                                              • \u5b9a\u671f\u66f4\u65b0\u4f9d\u8d56\uff0c\u4f46\u5148\u5728\u5c0f\u8303\u56f4\u6d4b\u8bd5<\/li>\n\n\n\n
                                                                                                                                              • \u660e\u786e\u533a\u5206\u751f\u4ea7\u4f9d\u8d56\u548c\u5f00\u53d1\u4f9d\u8d56<\/li>\n<\/ul>\n\n\n\n
                                                                                                                                                  \n
                                                                                                                                                1. \u6784\u5efa\u5de5\u5177<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                                                    \n
                                                                                                                                                  • \u81ea\u52a8\u5316\u6240\u6709\u6784\u5efa\u6b65\u9aa4<\/li>\n\n\n\n
                                                                                                                                                  • \u914d\u7f6e\u7f13\u5b58\u4ee5\u52a0\u901f\u6784\u5efa<\/li>\n\n\n\n
                                                                                                                                                  • \u4e3a\u4e0d\u540c\u73af\u5883\u521b\u5efa\u4e0d\u540c\u7684\u6784\u5efa\u914d\u7f6e<\/li>\n<\/ul>\n\n\n\n
                                                                                                                                                      \n
                                                                                                                                                    1. \u6d4b\u8bd5\u7b56\u7565<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                                                                                                                        \n
                                                                                                                                                      • \u6d4b\u8bd5\u91d1\u5b57\u5854\uff1a\u66f4\u591a\u5355\u5143\u6d4b\u8bd5\uff0c\u9002\u91cf\u96c6\u6210\u6d4b\u8bd5\uff0c\u5c11\u91cf\u7aef\u5230\u7aef\u6d4b\u8bd5<\/li>\n\n\n\n
                                                                                                                                                      • \u6d4b\u8bd5\u8986\u76d6\u5173\u952e\u8def\u5f84\u548c\u8fb9\u754c\u6761\u4ef6<\/li>\n\n\n\n
                                                                                                                                                      • \u4f7f\u7528\u6a21\u62df\u548c\u5b58\u6839\u9694\u79bb\u4f9d\u8d56<\/li>\n\n\n\n
                                                                                                                                                      • \u81ea\u52a8\u5316\u6d4b\u8bd5\uff0c\u5728CI\u4e2d\u8fd0\u884c<\/li>\n<\/ul>\n\n\n\n
                                                                                                                                                        API\u8bbe\u8ba1\u9ec4\u91d1\u6cd5\u5219<\/strong><\/h3>\n\n\n\n
                                                                                                                                                          \n
                                                                                                                                                        1. \u8bbe\u8ba1\u4e3a\u5148<\/strong>\uff1a\u5148\u8bbe\u8ba1API\u5951\u7ea6\uff0c\u518d\u5b9e\u73b0<\/li>\n\n\n\n
                                                                                                                                                        2. \u4fdd\u6301\u517c\u5bb9<\/strong>\uff1a\u5df2\u53d1\u5e03\u7684API\u5c3d\u91cf\u4fdd\u6301\u5411\u540e\u517c\u5bb9<\/li>\n\n\n\n
                                                                                                                                                        3. \u6587\u6863\u5373\u4ee3\u7801<\/strong>\uff1aAPI\u6587\u6863\u4e0e\u4ee3\u7801\u540c\u6b65\u66f4\u65b0<\/li>\n\n\n\n
                                                                                                                                                        4. \u5951\u7ea6\u6d4b\u8bd5<\/strong>\uff1a\u4f7f\u7528OpenAPI\/Pact\u7b49\u786e\u4fddAPI\u4e00\u81f4\u6027<\/li>\n\n\n\n
                                                                                                                                                        5. \u7248\u672c\u7b56\u7565<\/strong>\uff1a\u6e05\u6670\u7684\u7248\u672c\u7ba1\u7406\u7b56\u7565\u548c\u5f03\u7528\u6d41\u7a0b<\/li>\n<\/ol>\n\n\n\n
                                                                                                                                                          \u73b0\u4ee3\u5316\u5f00\u53d1\u5de5\u4f5c\u6d41\u5efa\u8bae<\/strong><\/h3>\n\n\n\n
                                                                                                                                                            \n
                                                                                                                                                          1. \u57fa\u7840\u8bbe\u65bd\u5373\u4ee3\u7801<\/strong>\uff1a\u5c06\u73af\u5883\u914d\u7f6e\u3001\u90e8\u7f72\u811a\u672c\u4ee3\u7801\u5316<\/li>\n\n\n\n
                                                                                                                                                          2. \u4e00\u5207\u81ea\u52a8\u5316<\/strong>\uff1a\u6784\u5efa\u3001\u6d4b\u8bd5\u3001\u90e8\u7f72\u3001\u76d1\u63a7<\/li>\n\n\n\n
                                                                                                                                                          3. \u8d28\u91cf\u95e8\u7981<\/strong>\uff1a\u5728CI\/CD\u4e2d\u8bbe\u7f6e\u8d28\u91cf\u68c0\u67e5\u70b9<\/li>\n\n\n\n
                                                                                                                                                          4. \u53ef\u89c2\u6d4b\u6027<\/strong>\uff1aAPI\u76d1\u63a7\u3001\u6027\u80fd\u6307\u6807\u3001\u9519\u8bef\u8ffd\u8e2a<\/li>\n\n\n\n
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