{"id":1969,"date":"2021-08-03T15:22:01","date_gmt":"2021-08-03T07:22:01","guid":{"rendered":"https:\/\/egonlin.com\/?p=1969"},"modified":"2022-02-07T16:23:31","modified_gmt":"2022-02-07T08:23:31","slug":"go%e8%af%ad%e8%a8%80%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=1969","title":{"rendered":"go\u8bed\u8a00\u7279\u6027"},"content":{"rendered":"<p>\u5bf9\u6bd4\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\uff0cGo\u6709\u4f55\u7a81\u51fa\u7684\u5462\uff1f<\/p>\n<h2>\u4e00\uff1aGo\u8bed\u8a00\u7684\u8bed\u8a00\u7279\u6027<\/h2>\n<p>\u5f88\u4e45\u4ee5\u524d\uff0c\u6709\u4e00\u4e2aIT\u516c\u53f8\uff0c\u8fd9\u516c\u53f8\u6709\u4e2a\u4f20\u7edf\uff0c\u5141\u8bb8\u5458\u5de5\u62e5\u670920%\u81ea\u7531\u65f6\u95f4\u6765\u5f00\u53d1\u5b9e\u9a8c\u6027\u9879\u76ee\u3002\u57282007\u7684\u67d0\u4e00\u5929\uff0c\u516c\u53f8\u7684\u51e0\u4e2a\u5927\u725b\uff0c\u6b63\u5728\u7528c++\u5f00\u53d1\u4e00\u4e9b\u6bd4\u8f83\u7e41\u7410\u4f46\u662f\u6838\u5fc3\u7684\u5de5\u4f5c\uff0c\u4e3b\u8981\u5305\u62ec\u5e9e\u5927\u7684\u5206\u5e03\u5f0f\u96c6\u7fa4\uff0c\u5927\u725b\u89c9\u5f97\u5f88\u95f9\u5fc3\uff0c\u540e\u6765c++\u59d4\u5458\u4f1a\u6765\u4ed6\u4eec\u516c\u53f8\u6f14\u8bb2\uff0c\u8bf4c++\u5c06\u8981\u6dfb\u52a0\u5927\u698235\u79cd\u65b0\u7279\u6027\u3002\u8fd9\u51e0\u4e2a\u5927\u725b\u7684\u5176\u4e2d\u4e00\u4e2a\u4eba\uff0c\u540d\u4e3a\uff1aRob Pike\uff0c\u542c\u540e\u5fc3\u4e2d\u4e00\u4e07\u4e2axxx\u98d8\u8fc7\uff0c\u201cc++\u7279\u6027\u8fd8\u4e0d\u591f\u591a\u5417\uff1f\u7b80\u5316c++\u5e94\u8be5\u66f4\u6709\u6210\u5c31\u611f\u5427\u201d\u3002\u4e8e\u662f\u4e4e\uff0cRob Pike\u548c\u5176\u4ed6\u51e0\u4e2a\u5927\u725b\u8ba8\u8bba\u4e86\u4e00\u4e0b\uff0c\u600e\u4e48\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u8fc7\u4e86\u4e00\u4f1a\uff0cRob Pike\u8bf4\u8981\u4e0d\u6211\u4eec\u81ea\u5df1\u641e\u4e2a\u8bed\u8a00\u5427\uff0c\u540d\u5b57\u53eb\u201cgo\u201d\uff0c\u975e\u5e38\u7b80\u77ed\uff0c\u5bb9\u6613\u62fc\u5199\u3002\u5176\u4ed6\u51e0\u4f4d\u5927\u725b\u5c31\u8bf4\u597d\u554a\uff0c\u7136\u540e\u4ed6\u4eec\u627e\u4e86\u5757\u767d\u677f\uff0c\u5728\u4e0a\u9762\u5199\u4e0b\u5e0c\u671b\u80fd\u6709\u54ea\u4e9b\u529f\u80fd\u3002\u63a5\u4e0b\u6765\u7684\u65f6\u95f4\u91cc\uff0c\u5927\u725b\u4eec\u5f00\u5fc3\u7684\u8ba8\u8bba\u8bbe\u8ba1\u8fd9\u95e8\u8bed\u8a00\u7684\u7279\u6027\uff0c\u7ecf\u8fc7\u6f2b\u957f\u7684\u5c81\u6708\uff0c\u4ed6\u4eec\u51b3\u5b9a\uff0c\u4ee5c\u8bed\u8a00\u4e3a\u539f\u578b\uff0c\u4ee5\u53ca\u501f\u9274\u5176\u4ed6\u8bed\u8a00\u7684\u4e00\u4e9b\u7279\u6027\uff0c\u6765\u89e3\u653e\u7a0b\u5e8f\u5458\uff0c\u89e3\u653e\u81ea\u5df1\uff0c\u7136\u540e\u57282009\u5e74\uff0cgo\u8bed\u8a00\u8bde\u751f\u3002<\/p>\n<p>\u4ee5\u4e0b\u5c31\u662f\u8fd9\u4e9b\u5927\u725b\u6240\u7f57\u5217\u51fa\u7684Go\u8981\u6709\u7684\u8bed\u8a00\u7279\u6027\uff1a<\/p>\n<ul>\n<li>\u89c4\u8303\u7684\u8bed\u6cd5\uff08\u4e0d\u9700\u8981\u7b26\u53f7\u8868\u6765\u89e3\u6790\uff09<\/li>\n<li>\u5783\u573e\u56de\u6536\uff08\u72ec\u6709\uff09<\/li>\n<li>\u65e0\u5934\u6587\u4ef6<\/li>\n<li>\u660e\u786e\u7684\u4f9d\u8d56<\/li>\n<li>\u65e0\u5faa\u73af\u4f9d\u8d56<\/li>\n<li>\u5e38\u91cf\u53ea\u80fd\u662f\u6570\u5b57<\/li>\n<li>int\u548cint32\u662f\u4e24\u79cd\u7c7b\u578b<\/li>\n<li>\u5b57\u6bcd\u5927\u5c0f\u5199\u8bbe\u7f6e\u53ef\u89c1\u6027\uff08letter case sets visibility\uff09<\/li>\n<li>\u4efb\u4f55\u7c7b\u578b\uff08type\uff09\u90fd\u6709\u65b9\u6cd5\uff08\u4e0d\u662f\u7c7b\u578b\uff09<\/li>\n<li>\u6ca1\u6709\u5b50\u7c7b\u578b\u7ee7\u627f\uff08\u4e0d\u662f\u5b50\u7c7b\uff09<\/li>\n<li>\u5305\u7ea7\u522b\u521d\u59cb\u5316\u4ee5\u53ca\u660e\u786e\u7684\u521d\u59cb\u5316\u987a\u5e8f<\/li>\n<li>\u6587\u4ef6\u88ab\u7f16\u8bd1\u5230\u4e00\u4e2a\u5305\u91cc<\/li>\n<li>\u5305package-level globals presented in any order<\/li>\n<li>\u6ca1\u6709\u6570\u503c\u7c7b\u578b\u8f6c\u6362\uff08\u5e38\u91cf\u8d77\u8f85\u52a9\u4f5c\u7528\uff09<\/li>\n<li>\u63a5\u53e3\u9690\u5f0f\u5b9e\u73b0\uff08\u6ca1\u6709\u201cimplement\u201d\u58f0\u660e\uff09<\/li>\n<li>\u5d4c\u5165\uff08\u4e0d\u4f1a\u63d0\u5347\u5230\u8d85\u7c7b\uff09<\/li>\n<li>\u65b9\u6cd5\u6309\u7167\u51fd\u6570\u58f0\u660e\uff08\u6ca1\u6709\u7279\u522b\u7684\u4f4d\u7f6e\u8981\u6c42\uff09<\/li>\n<li>\u65b9\u6cd5\u5373\u51fd\u6570<\/li>\n<li>\u63a5\u53e3\u53ea\u6709\u65b9\u6cd5\uff08\u6ca1\u6709\u6570\u636e\uff09<\/li>\n<li>\u65b9\u6cd5\u901a\u8fc7\u540d\u5b57\u5339\u914d\uff08\u800c\u975e\u7c7b\u578b\uff09<\/li>\n<li>\u6ca1\u6709\u6784\u9020\u51fd\u6570\u548c\u6790\u6784\u51fd\u6570<\/li>\n<li>postincrement\uff08\u5982++i\uff09\u662f\u72b6\u6001\uff0c\u4e0d\u662f\u8868\u8fbe\u5f0f<\/li>\n<li>\u6ca1\u6709preincrement(i++)\u548cpredecrement<\/li>\n<li>\u8d4b\u503c\u4e0d\u662f\u8868\u8fbe\u5f0f<\/li>\n<li>\u660e\u786e\u8d4b\u503c\u548c\u51fd\u6570\u8c03\u7528\u4e2d\u7684\u8ba1\u7b97\u987a\u5e8f\uff08\u6ca1\u6709\u201csequence point\u201d\uff09<\/li>\n<li>\u6ca1\u6709\u6307\u9488\u8fd0\u7b97<\/li>\n<li>\u5185\u5b58\u4e00\u76f4\u4ee5\u96f6\u503c\u521d\u59cb\u5316<\/li>\n<li>\u5c40\u90e8\u53d8\u91cf\u53d6\u503c\u5408\u6cd5<\/li>\n<li>\u65b9\u6cd5\u4e2d\u6ca1\u6709\u201cthis\u201d<\/li>\n<li>\u5206\u6bb5\u7684\u5806\u6808<\/li>\n<li>\u6ca1\u6709\u9759\u6001\u548c\u5176\u5b83\u7c7b\u578b\u7684\u6ce8\u91ca<\/li>\n<li>\u6ca1\u6709\u6a21\u677f<\/li>\n<li>\u5185\u5efastring\u3001slice\u548cmap<\/li>\n<li>\u6570\u7ec4\u8fb9\u754c\u68c0\u67e5<\/li>\n<\/ul>\n<h2>\u4e8c\uff1aGo\u8bed\u8a00\u7684\u7a81\u51fa\u4eae\u70b9<\/h2>\n<p>Go\u8bed\u8a00\u5728\u7f16\u8bd1\u901f\u5ea6\u3001\u6267\u884c\u901f\u5ea6\u3001\u5f00\u53d1\u6548\u7387\u4e4b\u95f4\u505a\u4e86\u6743\u8861\uff0c\u529b\u6c42\u5728\u4e0d\u635f\u5931\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u60c5\u51b5\u4e0b\u5c3d\u529b\u964d\u4f4e\u4ee3\u7801\u7684\u590d\u6742\u6027\uff0c\u8fbe\u5230\u5feb\u901f\u7f16\u8bd1\u3001\u9ad8\u6548\u6267\u884c\u3001\u6613\u4e8e\u5f00\u53d1\u7684\u6548\u679c<\/p>\n<pre><code 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\u52a8\u6001\u8bed\u8a00\u5982Python\uff0c\u7531\u4e8e\u6ca1\u6709\u5f3a\u7c7b\u578b\u7684\u7ea6\u675f\uff0c\u5f88\u591a\u9519\u8bef\u9700\u8981\u5728\u8fd0\u884c\u65f6\u53d1\u73b0\uff0c\u800c\u8fd9\u79cd\u4f4e\u7ea7\u9519\u8bef\u66f4\u5e94\u8be5\u4ea4\u7ed9\u7f16\u8bd1\u5668\u6765\u53d1\u73b0\uff0c\u8fd9\u5c31\u662fGo\u91c7\u7528\u9759\u6001\u7c7b\u578b\u7684\u51fa\u53d1\u70b9\uff0c\u6beb\u65e0\u7591\u95ee\uff0c\u9759\u6001\u7c7b\u578b+\u7f16\u8bd1\u578b\u7684go\u8bed\u8a00\u6267\u884c\u6548\u7387\u81ea\u7136\u8981\u8fdc\u9ad8\u4e8e\u52a8\u6001\u7c7b\u578b+\u89e3\u91ca\u578b\u7684python\uff0c\u6b64\u5916go\u7684\u6267\u884c\u6548\u7387\u5df2\u7ecf\u8fc7\u4e86C++\/Java,\u4f46\u76ee\u524d\u770b\u8fd8\u6ca1\u6709\u8d85\u8fc7C\uff0c\n\n            II: Go\u8bed\u8a00\u8fd8\u5177\u5907\u6781\u5f3a\u7684\u6297\u5e76\u53d1\u80fd\u529b\n            Go\u8bed\u8a00\u4ece\u6839\u672c\u4e0a\u5c06\u4e00\u5207\u90fd\u5e76\u53d1\u5316\uff0c\u8fd0\u884c\u65f6\u7528 Goroutine \u8fd0\u884c\u6240\u6709\u7684\u4e00\u5207\uff0c\u5305\u62ecmain.main\u5165\u53e3\u51fd\u6570\u3002\n            \u53ef\u4ee5\u8bf4\uff0cGoroutine \u662f Go \u6700\u663e\u8457\u7684\u7279\u5f81\u3002\u5b83\u7528\u7c7b\u534f\u7a0b\u7684\u65b9\u5f0f\u6765\u5904\u7406\u5e76\u53d1\u5355\u5143\uff0c\u5374\u53c8\u5728\u8fd0\u884c\u65f6\u5c42\u9762\u505a\u4e86\n            \u66f4\u6df1\u5ea6\u7684\u4f18\u5316\u5904\u7406\u3002\u8fd9\u4f7f\u5f97\u8bed\u6cd5\u4e0a\u7684\u5e76\u53d1\u7f16\u7a0b\u53d8\u5f97\u6781\u4e3a\u5bb9\u6613\uff0c\u65e0\u987b\u5904\u7406\u56de\u8c03\uff0c\u65e0\u987b\u5173\u6ce8\u7ebf\u7a0b\u5207\u6362\uff0c\u4ec5\u4e00\u4e2a\n            \u5173\u952e\u5b57go\uff0c\u7b80\u5355\u800c\u81ea\u7136\u3002\u642d\u914d channel,\u5b9e\u73b0CSP\u6a21\u578b\u3002\u5c06\u5e76\u53d1\u5355\u5143\u95f4\u7684\u6570\u636e\u8026\u5408\u62c6\u89e3\u5f00\u6765\uff0c\u5404\u53f8\u5176\u804c\uff0c                       \u8fd9\u5bf9\u6240\u6709\u7ea0\u7ed3\u4e8e\u5185\u5b58\u5171\u4eab\u3001\u9501\u7c92\u5ea6\u7684\u5f00\u53d1\u4eba\u5458\u90fd\u662f\u4e00\u4e2a\u53ef\u671f\u76fc\u7684\u89e3\u8131\u3002\u82e5\u8bf4\u6709\u6240\u4e0d\u8db3\uff0c\u90a3\u5c31\u662f\u5e94\u8be5\u6709\u4e2a\u66f4               \u5927\u7684\u8ba1\u5212\uff0c\u5c06\u901a\u4fe1\u4ece\u8fdb\u7a0b\u5185\u62d3\u5c55\u5230\u8fdb\u7a0b\u5916\uff0c\u5b9e\u73b0\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u5206\u5e03\u5f0f\u3002\n\n\/\/ 3\u3001\u7ba1\u4e8eGo\u81ea\u5e26\u5185\u5b58\u7ba1\u7406\u673a\u5236\n\/\/ 3.1 \u5185\u5b58\u5206\u914d\n\u5c06\u4e00\u5207\u5e76\u53d1\u5316\u56fa\u7136\u662f\u597d\uff0c\u4f46\u5e26\u6765\u7684\u95ee\u9898\u540c\u6837\u5f88\u591a\u3002\u5982\u4f55\u5b9e\u73b0\u9ad8\u5e76\u53d1\u4e0b\u7684\u5185\u5b58\u5206\u914d\u548c\u7ba1\u7406\u5c31\u662f\u4e2a\u96be\u9898\u3002\u597d\u5728 Go \u9009\u62e9\u4e86 tcmalloc\uff0c\u5b83\u672c\u5c31\u662f\u4e3a\u5e76\u53d1\u800c\u8bbe\u8ba1\u7684\u9ad8\u6027\u80fd\u5185\u5b58\u5206\u914d\u7ec4\u4ef6\u3002\n\n\u53ef\u4ee5\u8bf4\uff0c\u5185\u5b58\u5206\u914d\u5668\u662f\u8fd0\u884c\u65f6\u4e09\u5927\u7ec4\u4ef6\u91cc\u53d8\u5316\u6700\u5c11\u7684\u90e8\u5206\u3002\u5228\u53bb\u56e0\u914d\u5408\u5783\u573e\u56de\u6536\u5668\u800c\u4fee\u6539\u7684\u5185\u5bb9\uff0c\u5185\u5b58\u5206\u914d\u5668\u5b8c\u6574\u4fdd\u7559\u4e86 tcmalloc \u7684\u539f\u59cb\u67b6\u6784\u3002\u4f7f\u7528 cache \u4e3a\u5f53\u524d\u6267\u884c\u7ebf\u7a0b\u63d0\u4f9b\u65e0\u9501\u5206\u914d\uff0c\u591a\u4e2a central \u5728\u4e0d\u540c\u7ebf\u7a0b\u95f4\u5e73\u8861\u5185\u5b58\u5355\u5143\u590d\u7528\u3002\u5728\u66f4\u9ad8\u5c42\u6b21\u91cc\uff0cheap \u5219\u7ba1\u7406\u7740\u5927\u5757\u5185\u5b58\uff0c\u7528\u4ee5\u5207\u5206\u6210\u4e0d\u540c\u7b49\u7ea7\u7684\u590d\u7528\u5185\u5b58\u5757\u3002\u5feb\u901f\u5206\u914d\u548c\u4e8c\u7ea7\u5185\u5b58\u5e73\u8861\u673a\u5236\uff0c\u8ba9\u5185\u5b58\u5206\u914d\u5668\u80fd\u4f18\u79c0\u5730\u5b8c\u6210\u9ad8\u538b\u529b\u4e0b\u7684\u5185\u5b58\u7ba1\u7406\u4efb\u52a1\u3002\n\n\u5728\u6700\u8fd1\u51e0\u4e2a\u7248\u672c\u4e2d\uff0c\u7f16\u8bd1\u5668\u4f18\u5316\u5353\u6709\u6210\u6548\u3002\u5b83\u4f1a\u7aed\u529b\u5c06\u5bf9\u8c61\u5206\u914d\u5728\u6808\u4e0a\uff0c\u4ee5\u964d\u4f4e\u5783\u573e\u56de\u6536\u538b\u529b\uff0c\u51cf\u5c11\u7ba1\u7406\u6d88\u8017\uff0c\u63d0\u5347\u6267\u884c\u6027\u80fd\u3002\u53ef\u4ee5\u8bf4\uff0c\u9664\u5076\u5c14\u56e0\u6027\u80fd\u95ee\u9898\u800c\u88ab\u8feb\u91c7\u7528\u5bf9\u8c61\u6c60\u548c\u81ea\u4e3b\u5185\u5b58\u7ba1\u7406\u5916\uff0c\u6211\u4eec\u57fa\u672c\u65e0\u987b\u53c2\u4e0e\u5185\u5b58\u7ba1\u7406\u64cd\u4f5c\u3002\n\n\u540c\u65f6\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u5e72\u9884\u56de\u6536\u64cd\u4f5c\uff08ps\uff1a\u5728\u6700\u8fd1\u51e0\u4e2a\u7248\u672c\u4e2d\uff0c\u7f16\u8bd1\u5668\u4f18\u5316\u5353\u6709\u6210\u6548\u3002\u5b83\u4f1a\u7aed\u529b\u5c06\u5bf9\u8c61\u5206\u914d\u5728\u6808\u4e0a\uff0c\u4ee5\u964d\u4f4e\u5783\u573e\u56de\u6536\u538b\u529b\uff0c\u51cf\u5c11\u7ba1\u7406\u6d88\u8017\uff0c\u63d0\u5347\u6267\u884c\u6027\u80fd\u3002\u53ef\u4ee5\u8bf4\uff0c\u9664\u5076\u5c14\u56e0\u6027\u80fd\u95ee\u9898\u800c\u88ab\u8feb\u91c7\u7528\u5bf9\u8c61\u6c60\u548c\u81ea\u4e3b\u5185\u5b58\u7ba1\u7406\u5916\uff0c\u6211\u4eec\u57fa\u672c\u65e0\u987b\u53c2\u4e0e\u5185\u5b58\u7ba1\u7406\u64cd\u4f5c\u3002\uff09\n\n- \u5185\u5b58\u81ea\u52a8\u56de\u6536\uff0c\u518d\u4e5f\u4e0d\u9700\u8981\u5f00\u53d1\u4eba\u5458\u7ba1\u7406\u5185\u5b58\n- \u5f00\u53d1\u4eba\u5458\u4e13\u6ce8\u4e1a\u52a1\u5b9e\u73b0\uff0c\u964d\u4f4e\u4e86\u5fc3\u667a\u8d1f\u62c5\n- \u53ea\u9700\u8981new\u5206\u914d\u5185\u5b58\uff0c\u4e0d\u9700\u8981\u91ca\u653e\n\n\/\/ 3.2 GC(garbage collection,\u5783\u573e\u6536\u96c6\u5668)\n    \u53d8\u91cf\u7684\u4ea7\u751f\u8981\u7533\u8bf7\u5185\u5b58\uff0c\u65e0\u7528\u65f6\u5219\u8981\u91ca\u653e\u5176\u5360\u6709\u7684\u5185\u5b58\uff0c\u800c\u5185\u5b58\u7684\u7ba1\u7406\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u6765\u8bf4\u5411\u6765\u90fd\u662f\u7e41\u7410\u3001\u9ad8\u98ce\u9669\u7684\u4e8b\u60c5\uff0c\u597d\u5728go\u4e0epython\u4e00\u6837\u63d0\u4f9b\u4e86GC\u673a\u5236\n\n    \u4f46\u9700\u8981\u5f3a\u8c03\u7684\u662f\uff0cGC\u673a\u5236\u5e26\u6765\u7684\u5e76\u975e\u5168\u90fd\u662f\u597d\u5904\uff0c\u968f\u4e4b\u800c\u6765\u7684\u662f\u7a0b\u5e8f\u8fd0\u884c\u6548\u7387\u7684\u964d\u4f4e\u3002 \n    GC\u8fc7\u7a0b\u662f\uff1a\u5148stop the world\uff0c\u626b\u63cf\u6240\u6709\u5bf9\u8c61\u5224\u6d3b\uff0c\u628a\u53ef\u56de\u6536\u5bf9\u8c61\u5728\u4e00\u6bb5bitmap\u533a\u4e2d\u6807\u8bb0\u4e0b\u6765\uff0c\u63a5\u7740\u7acb\u5373start the world\uff0c\u6062\u590d\u670d\u52a1\uff0c\u540c\u65f6\u8d77\u4e00\u4e2a\u4e13\u95e8gorountine\u56de\u6536\u5185\u5b58\u5230\u7a7a\u95f2list\u4e2d\u4ee5\u5907\u590d\u7528\uff0c\u4e0d\u7269\u7406\u91ca\u653e\u3002\u7269\u7406\u91ca\u653e\u7531\u4e13\u95e8\u7ebf\u7a0b\u5b9a\u671f\u6765\u6267\u884c\u3002GC\u74f6\u9888\u5728\u4e8e\u6bcf\u6b21\u90fd\u8981\u626b\u63cf\u6240\u6709\u5bf9\u8c61\u6765\u5224\u6d3b\uff0c\u5f85\u6536\u96c6\u7684\u5bf9\u8c61\u6570\u76ee\u8d8a\u591a\uff0c\u901f\u5ea6\u8d8a\u6162\u3002\u4e00\u4e2a\u7ecf\u9a8c\u503c\u662f\u626b\u63cf10w\u4e2a\u5bf9\u8c61\u9700\u8981\u82b1\u8d391ms\uff0c\u6240\u4ee5\u5c3d\u91cf\u4f7f\u7528\u5bf9\u8c61\u5c11\u7684\u65b9\u6848\uff0c\u6bd4\u5982\u6211\u4eec\u540c\u65f6\u8003\u8651\u94fe\u8868\u3001map\u3001slice\u3001\u6570\u7ec4\u6765\u8fdb\u884c\u5b58\u50a8\uff0c\u94fe\u8868\u548cmap\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u800cslice\u6216\u6570\u7ec4\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u56e0\u6b64slice\u6216\u6570\u7ec4\u6709\u5229\u4e8eGC\u3002\n\n    \u9664\u4e86GC\u673a\u5236\u4e4b\u5916\uff0cGO\u8fd8\u652f\u6301\u81ea\u52a8\u5185\u5b58\u5206\u914d\u7b49\u5185\u5b58\u7ba1\u7406\u673a\u5236\uff0c\u8fd9\u4e9b\u56e0\u7d20\u5bfc\u81f4Go\u8bed\u8a00\u5728\u5b9e\u65f6\u6027\u4e0a\u6709\u4e9b\u529b\u4e0d\u4ece\u5fc3\uff0c\u56e0\u6b64Go\u5e76\u4e0d\u9002\u5408\u5f00\u53d1\u5f3a\u5b9e\u65f6\u6027\u7684\u8f6f\u4ef6\uff0c\u4f46\u5982\u679c\u9762\u5bf9\u7684\u662f\u5b9e\u65f6\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\uff0c\u6bd4\u5982\u9ad8\u6027\u80fd\u5206\u5e03\u5f0f\u7cfb\u7edf\u9886\u57df\uff0cGo\u8fd8\u662f\u5982\u9c7c\u5f97\u6c34\u7684\n\n\/\/ 4\u3001\u5173\u4e8eGo\u8bed\u8a00\u7684\u9759\u6001\u94fe\u63a5\n\/\/ 4.1: \u9759\u6001\u94fe\u63a5\uff1f\uff1f\uff1f\n    - \u4ec0\u4e48\u662f\u9759\u6001\u94fe\u63a5\uff1a\n    \u6240\u8c13\u9759\u6001\u94fe\u63a5\u662f\u6307\u628a\u7a0b\u5e8f\u8981\u8c03\u7528\u5230\u7684\u51fd\u6570\u6216\u8005\u8fc7\u7a0b\u5168\u90fd\u94fe\u63a5\u5230\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\uff0c\u6210\u4e3a\u53ef\u6267\u884c\u6587\u4ef6exe\u7684\u4e00\u90e8\u5206\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u51fd\u6570\u548c\u8fc7\u7a0b\u7684\u4ee3\u7801\u5c31\u5728\u7a0b\u5e8f\u7684exe\u6587\u4ef6\u4e2d\uff0c\u8fd9\u4e00\u4e2a\u6587\u4ef6\u5c31\u5305\u542b\u4e86\u8fd0\u884c\u65f6\u6240\u9700\u7684\u5168\u90e8\u4ee3\u7801\u3002\n\n    - \u9759\u6001\u8fde\u63a5\u7684\u4f18\u70b9\uff1a\u4e0d\u9700\u8981\u52a0\u8f7d\u4efb\u4f55\u5916\u90e8\u4f9d\u8d56\u5c31\u53ef\u4ee5\u6267\u884c\uff0c\u90e8\u7f72\u7b80\u5355\uff0c\u6267\u884c\u6548\u7387\u9ad8\n    - \u9759\u6001\u8fde\u63a5\u7684\u7f3a\u70b9\uff1a\n      = \u6d6a\u8d39\u786c\u76d8\uff1a\u5f53\u751f\u6210\u53ef\u6267\u884c\u6587\u4ef6\u4ee5\u540e\uff0c\u53ef\u6267\u884c\u6587\u4ef6\u5305\u542b\u6240\u6709\u7684\u4ee3\u7801\uff0c\u56e0\u6b64\uff0c\u5728\u53ef\u6267\u884c\u6587\u4ef6\u8fd0\u884c\u65f6\u5c31\u4e0d\u518d\u9700\u8981\u9759\u6001\u5e93\uff0c\u7a0b\u5e8f\u6e90\u7801\u4e2d\u9759\u6001\u5e93\u767d\u767d\u5730\u5360\u7528\u7740\u78c1\u76d8\u7a7a\u95f4\u3002\n      = \u5360\u7528\u8fc7\u591a\u5185\u5b58\uff1a\u5982\u679c\u6709\u591a\u4e2a\u8fdb\u7a0b\u5728\u5185\u5b58\u4e2d\u8fd0\u884c\uff0c\u5185\u5b58\u4e2d\u5c31\u5b58\u6709\u591a\u4efd\u76f8\u540c\u7684\u5e93\u51fd\u6570\u4ee3\u7801\uff0c\u56e0\u6b64\u5360\u7528\u5185\u5b58\u7a7a\u95f4\u8f83\u591a\u3002\n\n\/\/4.2\uff1a\u52a8\u6001\u94fe\u63a5\uff1f\uff1f\n    - \u4ec0\u4e48\u662f\u52a8\u6001\u94fe\u63a5\uff1a\n    \u6240\u8c13\u52a8\u6001\u94fe\u63a5\u6307\u628a\u7a0b\u5e8f\u8981\u8c03\u7528\u5230\u7684\u51fd\u6570\u6216\u8005\u8fc7\u7a0b\u6253\u6210\u4e13\u95e8\u7684\u5e93\uff0c\u8be5\u76ee\u6807\u4ee3\u7801\u5e93\u53ef\u88ab\u5176\u4ed6\u8fdb\u7a0b\u5728\u6267\u884c\u65f6\u52a8\u6001\u8c03\u7528\u548c\u5378\u8f7d\u3002\n\n    - \u52a8\u6001\u8fde\u63a5\u7684\u4f18\u70b9\uff1a\u52a8\u6001\u8c03\u7528\u548c\u5378\u8f7d\u4f9d\u8d56\u5e93\uff0c\u5373\u4fbf\u6709\u591a\u4e2a\u8fdb\u7a0b\u4e5f\u4e0d\u4f1a\u5bfc\u81f4\u5185\u5b58\u989d\u5916\u5360\u7528\n    - \u52a8\u6001\u8fde\u63a5\u7684\u7f3a\u70b9\uff1a\u9700\u8981\u52a0\u8f7d\u5916\u90e8\u4f9d\u8d56\u624d\u53ef\u4ee5\u6267\u884c\uff0c\u90e8\u7f72\u65f6\u4ee4\u4eba\u5934\u75bc\uff0c\u6267\u884c\u4e5f\u4f1a\u53d7\u5230\u5f71\u54cd\n\n\/\/4.3\uff1aGo\u652f\u6301\u9759\u6001\u5e93\u548c\u52a8\u6001\u5e93\n    Go \u521a\u53d1\u5e03\u65f6\uff0c\u9759\u6001\u94fe\u63a5\u88ab\u5f53\u4f5c\u4f18\u70b9\u5ba3\u4f20\uff0c\u56e0\u4e3a\u4f9d\u8d56\u5e93\u76f4\u63a5\u6253\u5305\u5230\u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\u5185\u90e8\uff0c\u65e0\u987b\u4e8b\u5148\u5b89\u88c5\u8fd0\u884c\u73af\u5883\u548c\u4e0b\u8f7d\u8bf8\u591a\u7b2c\u4e09\u65b9\u5e93\uff0c\u53ea\u9700\u8fd9\u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\u53ef\u4ee5\u76f4\u63a5\u90e8\u7f72\u8fd0\u884c\uff0c\u8fd9\u79cd\u7b80\u5355\u7c97\u66b4\u7684\u65b9\u5f0f\u89e3\u51b3\u4e86\u4ee4\u4eba\u5934\u75bc\u7684\u5e93\u4f9d\u8d56\u95ee\u9898\uff0c\u6781\u5927\u5730\u7b80\u5316\u4e86\u90e8\u7f72\u548c\u53d1\u5e03\u64cd\u4f5c\n    \u5f53\u57fa\u4e8e4.1\u30014.2\u7684\u63cf\u8ff0\uff0c\u9759\u6001\u94fe\u63a5\u4e5f\u5e76\u975e\u5341\u5168\u5341\u7f8e\uff0c\u4e8e\u662f\u5728\u8fd9\u4e4b\u540e\u8fde\u7740\u51e0\u4e2a\u7248\u672c\uff0cGo\u7f16\u8bd1\u5668\u90fd\u5728\u652f\u6301\u5e76\u5b8c\u5584\u52a8\u6001\u5e93buildmode\u529f\u80fd\n\n\/\/ 5\u3001Go\u662f\u7c7bC\u578b\u7684\u8bed\u8a00\n    Go\u8bed\u8a00\u6709\u65f6\u5019\u88ab\u63cf\u8ff0\u4e3a\u7c7bC\u578b(C-like)\u7684\u8bed\u8a00\uff0c\u6216\u8005\u662f\u201c21 \u4e16\u7eaa\u7684C\u8bed\u8a00\u201d\u3002\n    \u8fd9\u610f\u5473\u7740Go\u8bed\u8a00\u4eceC\u8bed\u8a00\u7ee7\u627f\u4e86\u76f8\u4f3c\u7684\u8868\u8fbe\u5f0f\u8bed\u6cd5\u3001\u63a7\u5236\u6d41\u7ed3\u6784\u3001\u57fa\u7840\u6570\u636e\u7c7b\u578b\u3001\u8c03\u7528\u53c2\u6570\u4f20\u503c\u3001\u6307\u9488\u7b49\u5f88\u591a\u601d\u60f3\uff0c\u6bd4\u5982\n    (1)\uff1a\u4f7f\u7528&amp;&amp;\u8868\u793aAND\n    (2)\uff1a\u4f7f\u7528==\u8868\u793a\u7b49\u503c\u6bd4\u8f83\n    (3)\uff1a\u6570\u7ec4\u7d22\u5f15\u4ece0\u5f00\u59cb\u8ba1\u7b97\n    (4)\uff1a(...)\u8868\u793a\u4e00\u6bb5\u4ee3\u7801\u5757\uff0c\u4e5f\u8868\u793a\u5c5e\u4e8e\u4e00\u4e2a\u4f5c\u7528\u57df\u8303\u56f4\n    \u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a\n    \u7c7bC\u578b\u8bed\u8a00\u8981\u6c42\u6bcf\u884c\u8bed\u53e5\u90fd\u8981\u4f7f\u7528\u5206\u53f7;\u7ed3\u675f\uff0c\u6761\u4ef6\u8868\u8fbe\u5f0f\u90fd\u8981\u6c42\u7528\u62ec\u53f7\u5305\u56f4\uff0c\u8fd9\u4e24\u70b9Go\u90fd\u662f\u4e0d\u91c7\u7eb3\u7684\u3002\n    \u867d\u7136Go\u4e2d\u53ef\u4ee5\u7528\u62ec\u53f7\u5305\u56f4\u6765\u6539\u53d8\u4f18\u5148\u7ea7\uff0c\u5982\u4e0b\nif (name == &quot;small_egon&quot; &amp;&amp; age &lt;= 18) || (name == &quot;big_egon&quot; &amp;&amp; age &gt; 18) {\n    fmt.Println(&quot;ok!!!&quot;) \/\/ \u4e0d\u9700\u8981\u5199\u5206\u53f7&quot;;&quot;\u7ed3\u675f\n}\n   \u4f46\u662fGo\u7684\u8868\u8fbe\u5f0f\u4e5f\u53ef\u4ee5\u4e0d\u52a0\u62ec\u53f7\u5305\u56f4\uff0c\u5982\u4e0b\nif name == &quot;big_egon&quot; {\n    fmt.Println(&quot;ok!&quot;) \/\/ \u4e0d\u9700\u8981\u5199\u5206\u53f7&quot;;&quot;\u7ed3\u675f\n}<\/code><\/pre>\n<h2>\u4e09 Go\u8bed\u8a00\u7684\u5176\u4ed6\u4eae\u70b9<\/h2>\n<pre><code class=\"language-go\">\/\/ 1\u3001 \u7f51\u7edc\u7f16\u7a0b\n\u7531\u4e8egolang\u8bde\u751f\u5728\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u56e0\u6b64\u5b83\u5929\u751f\u5177\u5907\u4e86\u53bb\u4e2d\u5fc3\u5316\u3001\u5206\u5e03\u5f0f\u7b49\u7279\u6027\uff0c\u5177\u4f53\u8868\u73b0\u4e4b\u4e00\u5c31\u662f\u63d0\u4f9b\u4e86\u4e30\u5bcc\u4fbf\u6377\u7684\u7f51\u7edc\u7f16\u7a0b\u63a5\u53e3\uff0c\u6bd4\u5982socket\u7528net.Dial(\u57fa\u4e8etcp\/udp\uff0c\u5c01\u88c5\u4e86\u4f20\u7edf\u7684connect\u3001listen\u3001accept\u7b49\u63a5\u53e3)\u3001http\u7528http.Get\/Post()\u3001rpc\u7528client.Call(&#039;class_name.method_name&#039;, args, &amp;reply)\uff0c\u7b49\u7b49\u3002\n\n\/\/ 2\u3001 \u51fd\u6570\u662f\u7b2c\u4e00\u7b49\u516c\u6c11\n\u51fd\u6570\u4e5f\u662f\u4e00\u79cd\u7c7b\u578b\u7684\u503c\n    \u53ef\u4ee5\u8d4b\u503c\u7ed9\u5176\u4ed6\u53d8\u91cf\n    \u53ef\u4ee5\u5f53\u505a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\n    \u53ef\u4ee5\u5f53\u505a\u51fd\u6570\u7684\u8fd4\u56de\u503c\n    \u53ef\u4ee5\u5f53\u505a\u590d\u5408\u7c7b\u578b\u7684\u5143\u7d20\n\u6b64\u5916\uff0cGo\u8bed\u8a00\u63a5\u53d7\u4e86\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4e00\u4e9b\u60f3\u6cd5\uff0c\u652f\u6301\u533f\u540d\u51fd\u6570\u4e0e\u95ed\u5305\n\n\/\/ 3\u3001 \u51fd\u6570\u4e5f\u53ef\u4ee5\u53ef\u4ee5\u6709\u591a\u4e2a\u8fd4\u56de\u503c\n\u5728C\uff0cC++\u4e2d\uff0c\u5305\u62ec\u5176\u4ed6\u7684\u4e00\u4e9b\u9ad8\u7ea7\u8bed\u8a00\u662f\u4e0d\u652f\u6301\u591a\u4e2a\u51fd\u6570\u8fd4\u56de\u503c\u7684\u3002\u4f46\u662f\u8fd9\u9879\u529f\u80fd\u53c8\u786e\u5b9e\u662f\u9700\u8981\u7684\uff0c\u6240\u4ee5\u5728C\u8bed\u8a00\u4e2d\u4e00\u822c\u901a\u8fc7\u5c06\u8fd4\u56de\u503c\u5b9a\u4e49\u6210\u4e00\u4e2a\u7ed3\u6784\u4f53\uff0c\u6216\u8005\u901a\u8fc7\u51fd\u6570\u7684\u53c2\u6570\u5f15\u7528\u7684\u5f62\u5f0f\u8fdb\u884c\u8fd4\u56de\u3002\u800c\u5728Go\u8bed\u8a00\u4e2d\uff0c\u4f5c\u4e3a\u4e00\u79cd\u65b0\u578b\u7684\u8bed\u8a00\uff0c\u76ee\u6807\u5b9a\u4f4d\u4e3a\u5f3a\u5927\u7684\u8bed\u8a00\u5f53\u7136\u4e0d\u80fd\u653e\u5f03\u5bf9\u8fd9\u4e00\u9700\u6c42\u7684\u6ee1\u8db3\uff0c\u6240\u4ee5\u652f\u6301\u51fd\u6570\u591a\u8fd4\u56de\u503c\u662f\u5fc5\u987b\u7684\u3002\n\n\u51fd\u6570\u5b9a\u4e49\u65f6\u53ef\u4ee5\u5728\u5165\u53c2\u540e\u9762\u518d\u52a0(a,b,c)\uff0c\u8868\u793a\u5c06\u67093\u4e2a\u8fd4\u56de\u503ca\u3001b\u3001c\u3002\u8fd9\u4e2a\u7279\u6027\u5728\u5f88\u591a\u8bed\u8a00\u90fd\u6709\uff0c\u6bd4\u5982python\u3002\n\n\u8fd9\u4e2a\u8bed\u6cd5\u7cd6\u7279\u6027\u662f\u6709\u73b0\u5b9e\u610f\u4e49\u7684\uff0c\u6bd4\u5982\u6211\u4eec\u7ecf\u5e38\u4f1a\u8981\u6c42\u63a5\u53e3\u8fd4\u56de\u4e00\u4e2a\u4e09\u5143\u7ec4\uff08errno,errmsg,data\uff09\uff0c\u5728\u5927\u591a\u6570\u53ea\u5141\u8bb8\u4e00\u4e2a\u8fd4\u56de\u503c\u7684\u8bed\u8a00\u4e2d\uff0c\u6211\u4eec\u53ea\u80fd\u5c06\u4e09\u5143\u7ec4\u653e\u5165\u4e00\u4e2amap\u6216\u6570\u7ec4\u4e2d\u8fd4\u56de\uff0c\u63a5\u6536\u65b9\u8fd8\u8981\u5199\u4ee3\u7801\u6765\u68c0\u67e5\u8fd4\u56de\u503c\u4e2d\u5305\u542b\u4e86\u4e09\u5143\u7ec4\uff0c\u5982\u679c\u5141\u8bb8\u591a\u8fd4\u56de\u503c\uff0c\u5219\u76f4\u63a5\u5728\u51fd\u6570\u5b9a\u4e49\u5c42\u9762\u4e0a\u5c31\u505a\u4e86\u5f3a\u5236\uff0c\u4f7f\u4ee3\u7801\u66f4\u7b80\u6d01\u5b89\u5168\u3002\n\n\/\/ 4\u3001 \u8bed\u8a00\u4ea4\u4e92\u6027\n\u8bed\u8a00\u4ea4\u4e92\u6027\u6307\u7684\u662f\u672c\u8bed\u8a00\u662f\u5426\u80fd\u548c\u5176\u4ed6\u8bed\u8a00\u4ea4\u4e92\uff0c\u6bd4\u5982\u53ef\u4ee5\u8c03\u7528\u5176\u4ed6\u8bed\u8a00\u7f16\u8bd1\u7684\u5e93\u3002\n\n\u5728Go\u8bed\u8a00\u4e2d\u76f4\u63a5\u91cd\u7528\u4e86\u5927\u90e8\u4efd\u7684C\u6a21\u5757\uff0c\u8fd9\u91cc\u79f0\u4e3aCgo.Cgo\u5141\u8bb8\u5f00\u53d1\u8005\u6df7\u5408\u7f16\u5199C\u8bed\u8a00\u4ee3\u7801\uff0c\u7136\u540eCgo\u5de5\u5177\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u6df7\u5408\u7684C\u4ee3\u7801\u63d0\u53d6\u5e76\u751f\u6210\u5bf9\u4e8eC\u529f\u80fd\u7684\u8c03\u7528\u5305\u88c5\u4ee3\u7801\u3002\u5f00\u53d1\u8005\u57fa\u672c\u4e0a\u53ef\u4ee5\u5b8c\u5168\u5ffd\u7565\u8fd9\u4e2aGo\u8bed\u8a00\u548cC\u8bed\u8a00\u7684\u8fb9\u754c\u662f\u5982\u4f55\u8de8\u8d8a\u7684\u3002\n\n golang\u53ef\u4ee5\u548cC\u7a0b\u5e8f\u4ea4\u4e92\uff0c\u4f46\u4e0d\u80fd\u548cC++\u4ea4\u4e92\u3002\u53ef\u4ee5\u6709\u4e24\u79cd\u66ff\u4ee3\u65b9\u6848\uff1a1\uff09\u5148\u5c06c++\u7f16\u8bd1\u6210\u52a8\u6001\u5e93\uff0c\u518d\u7531go\u8c03\u7528\u4e00\u6bb5c\u4ee3\u7801\uff0cc\u4ee3\u7801\u901a\u8fc7dlfcn\u5e93\u52a8\u6001\u8c03\u7528\u52a8\u6001\u5e93\uff08\u8bb0\u5f97export LD_LIBRARY_PATH\uff09\uff1b2\uff09\u4f7f\u7528swig(\u6ca1\u73a9\u8fc7)\n\n\/\/ 5\u3001\u5f02\u5e38\u5904\u7406\ngolang\u5728\u9519\u8bef\u5904\u7406\u65b9\u9762\u6bd4\u5176\u4ed6\u8bed\u8a00\u5982Java\u3001PHP\u7b49\u66f4\u52a0\u7cbe\u7b80\u9ad8\u6548\uff0cGo\u4e0d\u652f\u6301try...catch\u8fd9\u6837\u7684\u7ed3\u6784\u5316\u7684\u5f02\u5e38\u89e3\u51b3\u65b9\u5f0f\uff0c\u56e0\u4e3a\u89c9\u5f97\u4f1a\u589e\u52a0\u4ee3\u7801\u91cf\uff0c\u4e14\u4f1a\u88ab\u6ee5\u7528\uff0c\u4e0d\u7ba1\u591a\u5c0f\u7684\u5f02\u5e38\u90fd\u629b\u51fa\u3002golang\u63d0\u5021\u7684\u5f02\u5e38\u5904\u7406\u65b9\u5f0f\u662f\uff1a\n\n- \u666e\u901a\u5f02\u5e38\uff1a\u88ab\u8c03\u7528\u65b9\u8fd4\u56deerror\u5bf9\u8c61\uff0c\u8c03\u7528\u65b9\u5224\u65aderror\u5bf9\u8c61\u3002\n- \u4e25\u91cd\u5f02\u5e38\uff1a\u6307\u7684\u662f\u4e2d\u65ad\u6027panic\uff08\u6bd4\u5982\u96640\uff09\uff0c\u4f7f\u7528defer...recover...panic\u673a\u5236\u6765\u6355\u83b7\u5904\u7406\u3002\u4e25\u91cd\u5f02\u5e38\u4e00\u822c\u7531golang\u5185\u90e8\u81ea\u52a8\u629b\u51fa\uff0c\u4e0d\u9700\u8981\u7528\u6237\u4e3b\u52a8\u629b\u51fa\uff0c\u907f\u514d\u4f20\u7edftry...catch\u5199\u5f97\u5230\u5904\u90fd\u662f\u7684\u60c5\u51b5\u3002\u5f53\u7136\uff0c\u7528\u6237\u4e5f\u53ef\u4ee5\u4f7f\u7528panic(&#039;xxxx&#039;)\u4e3b\u52a8\u629b\u51fa\uff0c\u53ea\u662f\u8fd9\u6837\u5c31\u4f7f\u8fd9\u4e00\u5957\u673a\u5236\u9000\u5316\u6210\u7ed3\u6784\u5316\u5f02\u5e38\u673a\u5236\u4e86\u3002\n\n\/\/ 6\u3001\u5176\u4ed6\u8fb9\u8fb9\u89d2\u89d2\n    (1)\u3001Go\u8bed\u8a00\u652f\u6301\u8de8\u5e73\u53f0\/\u4ea4\u53c9\u7f16\u8bd1\uff1a\u53ef\u4ee5\u5728\u8fd0\u884cLinux\u64cd\u4f5c\u7cfb\u7edf\u7684\u8ba1\u7b97\u673a\u4e0a\u5f00\u53d1\u5e76\u7f16\u8bd1Windows\u4e0b\u7684\u5e94\u7528\u7a0b\u5e8f\n    (2)\u3001\u7c7b\u578b\u63a8\u5bfc\uff1a\u7c7b\u578b\u5b9a\u4e49\uff1a\u652f\u6301`var abc = 10`\u8fd9\u6837\u7684\u8bed\u6cd5\uff0c\u8ba9golang\u770b\u4e0a\u53bb\u6709\u70b9\u50cf\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u4f46golang\u5b9e\u9645\u4e0a\u65f6\u5f3a\u7c7b\u578b\u7684\uff0c\u524d\u9762\u7684\u5b9a\u4e49\u4f1a\u88ab\u81ea\u52a8\u63a8\u5bfc\u51fa\u662fint\u7c7b\u578b\u3002\n    (3)\u3001\u4f5c\u4e3a\u5f3a\u7c7b\u578b\u8bed\u8a00\uff0c\u9690\u5f0f\u7684\u7c7b\u578b\u8f6c\u6362\u662f\u4e0d\u88ab\u5141\u8bb8\u7684\uff0c\u8bb0\u4f4f\u4e00\u6761\u539f\u5219\uff1a\u8ba9\u6240\u6709\u7684\u4e1c\u897f\u90fd\u662f\u663e\u5f0f\u7684\u3002\n    \u7b80\u5355\u6765\u8bf4\uff0cGo\u662f\u4e00\u95e8\u5199\u8d77\u6765\u50cf\u52a8\u6001\u8bed\u8a00\uff0c\u6709\u7740\u52a8\u6001\u8bed\u8a00\u5f00\u53d1\u6548\u7387\u7684\u9759\u6001\u8bed\u8a00\u3002\n    (4)\u3001\u4e0d\u80fd\u5faa\u73af\u5f15\u7528\uff1a\u5373\u5982\u679ca.go\u4e2dimport\u4e86b\uff0c\u5219b.go\u8981\u662fimport a\u4f1a\u62a5import cycle not allowed\u3002\u597d\u5904\u662f\u53ef\u4ee5\u907f\u514d\u4e00\u4e9b\u6f5c\u5728\u7684\u7f16\u7a0b\u5371\u9669\uff0c\u6bd4\u5982a\u4e2d\u7684func1()\u8c03\u7528\u4e86b\u4e2d\u7684func2()\uff0c\u5982\u679cfunc2()\u4e5f\u80fd\u8c03\u7528func1()\uff0c\u5c06\u4f1a\u5bfc\u81f4\u65e0\u9650\u5faa\u73af\u8c03\u7528\u4e0b\u53bb\u3002\n    (5)\u3001defer\u673a\u5236\uff1a\u5728Go\u8bed\u8a00\u4e2d\uff0c\u63d0\u4f9b\u5173\u952e\u5b57defer\uff0c\u53ef\u4ee5\u901a\u8fc7\u8be5\u5173\u952e\u5b57\u6307\u5b9a\u9700\u8981\u5ef6\u8fdf\u6267\u884c\u7684\u903b\u8f91\u4f53\uff0c\u5373\u5728\u51fd\u6570\u4f53return\u524d\u6216\u51fa\u73b0panic\u65f6\u6267\u884c\u3002\u8fd9\u79cd\u673a\u5236\u975e\u5e38\u9002\u5408\u5584\u540e\u903b\u8f91\u5904\u7406\uff0c\u6bd4\u5982\u53ef\u4ee5\u5c3d\u65e9\u907f\u514d\u53ef\u80fd\u51fa\u73b0\u7684\u8d44\u6e90\u6cc4\u6f0f\u95ee\u9898\u3002\n  \u53ef\u4ee5\u8bf4\uff0cdefer\u662f\u7ee7goroutine\u548cchannel\u4e4b\u540e\u7684\u53e6\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u3001\u5b9e\u7528\u7684\u8bed\u8a00\u7279\u6027\uff0c\u5bf9defer\u7684\u5f15\u5165\uff0c\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53ef\u4ee5\u7b80\u5316\u7f16\u7a0b\uff0c\u5e76\u4e14\u5728\u8bed\u8a00\u63cf\u8ff0\u4e0a\u663e\u5f97\u66f4\u4e3a\u81ea\u7136\uff0c\u6781\u5927\u7684\u589e\u5f3a\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\n    (6)\u3001Go\u8bed\u8a00\u7684\u7c7b\u578b\u5b9a\u4e49\u53c2\u8003\u4e86C\u8bed\u8a00\u4e2d\u7684\u7ed3\u6784\uff08struct\uff09\uff0c\u652f\u6301\u4f7f\u7528struct\u5173\u952e\u5b57\u5b9a\u4e49\u7ed3\u6784\u4f53\n    (7)\u3001Go\u8bed\u8a00\u6ca1\u6709\u7c7b\u548c\u7ee7\u627f\u7684\u6982\u5ff5\uff0c\u6240\u4ee5\u5b83\u548c Java \u6216 C++ \u770b\u8d77\u6765\u5e76\u4e0d\u76f8\u540c\u3002\u4f46\u662f\u5b83\u901a\u8fc7\u63a5\u53e3\uff08interface\uff09\u7684\u6982\u5ff5\u6765\u5b9e\u73b0\u591a\u6001\u6027\uff0c\u6240\u4ee5Go\u8bed\u8a00\u662f\u53ef\u4ee5\u57fa\u4e8e\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u3002Go\u8bed\u8a00\u6709\u4e00\u4e2a\u6e05\u6670\u6613\u61c2\u7684\u8f7b\u91cf\u7ea7\u7c7b\u578b\u7cfb\u7edf\uff0c\u5728\u7c7b\u578b\u4e4b\u95f4\u4e5f\u6ca1\u6709\u5c42\u7ea7\u4e4b\u8bf4\u3002\u56e0\u6b64\u53ef\u4ee5\u8bf4Go\u8bed\u8a00\u662f\u4e00\u95e8\u6df7\u5408\u578b\u7684\u8bed\u8a00\u3002\n    (8)\u3001\u652f\u6301\u53cd\u5c04\n    (9)\u3001\u4e00\u4e2a\u7c7b\u578b\u53ea\u8981\u5b9e\u73b0\u4e86\u67d0\u4e2ainterface\u7684\u6240\u6709\u65b9\u6cd5\uff0c\u5373\u53ef\u5b9e\u73b0\u8be5interface\uff0c\u65e0\u9700\u663e\u5f0f\u53bb\u7ee7\u627f\u3002\nGo\u7f16\u7a0b\u89c4\u8303\u63a8\u8350\u6bcf\u4e2aInterface\u53ea\u63d0\u4f9b\u4e00\u5230\u4e24\u4e2a\u7684\u65b9\u6cd5\u3002\u8fd9\u6837\u4f7f\u5f97\u6bcf\u4e2a\u63a5\u53e3\u7684\u76ee\u7684\u975e\u5e38\u6e05\u6670\u3002\u53e6\u5916Go\u7684\u9690\u5f0f\u63a8\u5bfc\u4e5f\u4f7f\u5f97\u6211\u4eec\u7ec4\u7ec7\u7a0b\u5e8f\u67b6\u6784\u7684\u65f6\u5019\u66f4\u52a0\u7075\u6d3b\u3002\u5728\u5199JAVA\uff0fC++\u7a0b\u5e8f\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4e00\u5f00\u59cb\u5c31\u9700\u8981\u628a\u7236\u7c7b\uff0f\u5b50\u7c7b\uff0f\u63a5\u53e3\u8bbe\u8ba1\u597d\uff0c\u56e0\u4e3a\u4e00\u65e6\u540e\u9762\u6709\u53d8\u66f4\uff0c\u4fee\u6539\u8d77\u6765\u4f1a\u975e\u5e38\u75db\u82e6\u3002\u800cGo\u4e0d\u4e00\u6837\uff0c\u5f53\u4f60\u5728\u5b9e\u73b0\u7684\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u67d0\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u62bd\u8c61\u6210\u63a5\u53e3\u7684\u65f6\u5019\uff0c\u4f60\u76f4\u63a5\u5b9a\u4e49\u597d\u8fd9\u4e2a\u63a5\u53e3\u5c31OK\u4e86\uff0c\u5176\u4ed6\u4ee3\u7801\u4e0d\u9700\u8981\u505a\u4efb\u4f55\u4fee\u6539\uff0c\u7f16\u8bd1\u5668\u7684\u81ea\u52a8\u63a8\u5bfc\u4f1a\u5e2e\u4f60\u505a\u597d\u4e00\u5207\u3002\n    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