{"id":3702,"date":"2022-12-30T13:40:23","date_gmt":"2022-12-30T05:40:23","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3702"},"modified":"2022-12-30T13:40:23","modified_gmt":"2022-12-30T05:40:23","slug":"%e5%ad%b8%e7%bf%92go%e8%aa%9e%e8%a8%80%e4%b8%ad%e7%9a%84%e5%90%8c%e6%ad%a5%e6%a9%9f%e5%88%b6","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/go\/%e5%ad%b8%e7%bf%92go%e8%aa%9e%e8%a8%80%e4%b8%ad%e7%9a%84%e5%90%8c%e6%ad%a5%e6%a9%9f%e5%88%b6\/","title":{"rendered":"\u5b78\u7fd2Go\u8a9e\u8a00\u4e2d\u7684\u540c\u6b65\u6a5f\u5236"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Go, \u540c\u6b65\"><\/p>\n<p>Go \u8a9e\u8a00\u7684\u540c\u6b65\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u63a7\u5236\u591a\u500b\u57f7\u884c\u7dd2\u4e4b\u9593\u7684\u4e92\u52d5\u3002Go \u8a9e\u8a00\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u540c\u6b65\u5de5\u5177\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u63a7\u5236\u591a\u500b\u57f7\u884c\u7dd2\u4e4b\u9593\u7684\u4e92\u52d5\u3002<\/p>\n<p>Go \u8a9e\u8a00\u63d0\u4f9b\u4e86\u4e00\u7a2e\u53eb\u505a <strong>Mutex<\/strong> \u7684\u540c\u6b65\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u591a\u500b\u57f7\u884c\u7dd2\u4e4b\u9593\u5efa\u7acb\u4e00\u500b\u4e92\u65a5\u5340\u57df\uff0c\u53ea\u6709\u4e00\u500b\u57f7\u884c\u7dd2\u53ef\u4ee5\u8a2a\u554f\u8a72\u5340\u57df\uff0c\u5176\u4ed6\u57f7\u884c\u7dd2\u5fc5\u9808\u7b49\u5f85\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u53e6\u4e00\u7a2e\u5e38\u898b\u7684\u540c\u6b65\u5de5\u5177\u662f <strong>Channel<\/strong>\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u591a\u500b\u57f7\u884c\u7dd2\u4e4b\u9593\u5efa\u7acb\u4e00\u500b\u5171\u4eab\u7684\u8cc7\u6599\u7ba1\u9053\uff0c\u53ef\u4ee5\u8b93\u591a\u500b\u57f7\u884c\u7dd2\u4e4b\u9593\u50b3\u905e\u8cc7\u6599\u3002<\/p>\n<p>Go \u8a9e\u8a00\u9084\u63d0\u4f9b\u4e86\u4e00\u7a2e\u53eb\u505a <strong>WaitGroup<\/strong> \u7684\u540c\u6b65\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u591a\u500b\u57f7\u884c\u7dd2\u4e4b\u9593\u5efa\u7acb\u4e00\u500b\u7b49\u5f85\u7fa4\u7d44\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u63a7\u5236\u591a\u500b\u57f7\u884c\u7dd2\u7684\u57f7\u884c\u6642\u9593\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7a0b\u5f0f\u7bc4\u4f8b\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u7406\u89e3 Go \u8a9e\u8a00\u7684\u540c\u6b65\u5de5\u5177\uff1a<\/p>\n<pre class=\"brush: go\">\npackage main\n\nimport (\n    \"fmt\"\n    \"sync\"\n)\n\nfunc main() {\n    var wg sync.WaitGroup\n    wg.Add(2)\n\n    go func() {\n        fmt.Println(\"Hello\")\n        wg.Done()\n    }()\n\n    go func() {\n        fmt.Println(\"World\")\n        wg.Done()\n    }()\n\n    wg.Wait()\n}\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4f7f\u7528\u4e86 WaitGroup \u4f86\u63a7\u5236\u5169\u500b goroutine \u7684\u57f7\u884c\u6642\u9593\uff0c\u5728\u5169\u500b goroutine \u90fd\u57f7\u884c\u5b8c\u7562\u4e4b\u5f8c\uff0cWaitGroup \u6703\u767c\u51fa\u4e00\u500b\u4fe1\u865f\uff0c\u8868\u793a\u5169\u500b goroutine \u90fd\u5df2\u7d93\u57f7\u884c\u5b8c\u7562\u3002<\/p>\n<p>Go 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