{"id":205919,"date":"2025-06-12T12:37:15","date_gmt":"2025-06-12T04:37:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205919\/"},"modified":"2025-06-12T12:37:15","modified_gmt":"2025-06-12T04:37:15","slug":"golang-%e5%87%bd%e6%95%b0%ef%bc%9a%e5%b9%b6%e5%8f%91%e4%bb%bb%e5%8a%a1%e6%89%a7%e8%a1%8c%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e5%90%8c%e6%ad%a5%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205919\/","title":{"rendered":"Golang \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236"},"content":{"rendered":"

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0
\n\u300aGOLANG \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01,Go \u63d0\u4f9b\u4ee5\u4e0b\u6570\u636e\u540c\u6b65\u673a\u5236\uff1aMutex\uff08\u4e92\u65a5\u9501\uff09\uff1a\u9650\u5236\u5171\u4eab\u8d44\u6e90\u7684\u5e76\u53d1\u8bbf\u95ee\uff0c\u907f\u514d\u6570\u636e\u7ade\u4e89\u3002WaitGroup\uff1a\u534f\u8c03\u5e76\u53d1\u4efb\u52a1\uff0c\u786e\u4fdd\u5728\u6240\u6709\u4efb\u52a1\u5b8c\u6210\u524d\u4e0d\u7ee7\u7eed\u6267\u884c\u3002channel\uff08\u901a\u9053\uff09\uff1agoroutine \u4e4b\u95f4\u901a\u4fe1\uff0c\u53d1\u9001\u548c\u63a5\u6536\u503c\uff0c\u786e\u4fdd\u6709\u5e8f\u8bbf\u95ee\u3002\u539f\u5b50\u64cd\u4f5c\uff1a\u5b89\u5168\u5730\u66f4\u65b0\u5171\u4eab\u53d8\u91cf\uff0c\u907f\u514d\u7ade\u6001\u6761\u4ef6\u3002,
\n,
\nGOLANG \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236<\/strong>,\u5728 Go \u4e2d\u6267\u884c\u5e76\u53d1\u4efb\u52a1\u65f6\uff0c\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u63a2\u8ba8 Go \u8bed\u8a00\u4e2d\u63d0\u4f9b\u7684\u6570\u636e\u540c\u6b65\u673a\u5236\uff0c\u5e2e\u52a9\u4f60\u5b9e\u73b0\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u6570\u636e\u5b89\u5168\u8bbf\u95ee\u3002,
\nMutex<\/strong>,\u4e92\u65a5\u9501\uff08Mutex\uff09\u662f\u6700\u5e38\u7528\u7684\u540c\u6b65\u673a\u5236\u4e4b\u4e00\u3002\u5b83\u5141\u8bb8\u4e00\u6b21\u53ea\u6709\u4e00\u4e2a goroutine \u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\uff0c\u4ece\u800c\u9632\u6b62\u6570\u636e\u7ade\u4e89\u3002\u4f7f\u7528 Mutex \u7684\u65b9\u5f0f\uff1a,
\nWaitGroup<\/strong>,WaitGroup \u7528\u6765\u7b49\u5f85\u4e00\u7ec4 goroutine \u5b8c\u6210\u3002\u8fd9\u5bf9\u4e8e\u534f\u8c03\u5e76\u53d1\u4efb\u52a1\u548c\u786e\u4fdd\u5728\u6240\u6709\u4efb\u52a1\u5b8c\u6210\u4e4b\u524d\u4e0d\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u5904\u7406\u975e\u5e38\u6709\u7528\u3002,
\nchannel<\/strong>,\u901a\u9053\uff08channel\uff09\u662f\u4e00\u79cd\u7528\u4e8e goroutine \u4e4b\u95f4\u901a\u4fe1\u7684\u540c\u6b65\u673a\u5236\u3002\u901a\u9053\u5141\u8bb8\u4e00\u4e2a goroutine \u5c06\u503c\u53d1\u9001\u5230\u53e6\u4e00\u4e2a goroutine\uff0c\u540c\u65f6\u786e\u4fdd\u63a5\u6536\u65b9\u5728\u503c\u51c6\u5907\u597d\u4e4b\u524d\u4e0d\u4f1a\u963b\u585e\u3002,
\n\u5b9e\u6218\u6848\u4f8b\uff1a\u5e76\u884c\u5904\u7406\u6587\u4ef6<\/strong>,\u4e0b\u9762\u662f\u4e00\u4e2a\u5e76\u884c\u5904\u7406\u5927\u91cf\u6587\u4ef6\u7684\u5b9e\u6218\u6848\u4f8b\uff1a,\u901a\u8fc7\u4f7f\u7528 WaitGroup \u548c\u539f\u5b50\u8ba1\u6570\u5668\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u5e76\u884c\u5904\u7406\u6587\u4ef6\u800c\u4e0d\u4e22\u5931\u6570\u636e\u3002,\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aGOLANG \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGOLANG\u77e5\u8bc6\uff01,\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0
\n\u300aGOLANG \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> GOLANG \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236<\/span><\/p>\n

GOLANG \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236<\/h1>\n

2024-10-28 09:24:13<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300aGOLANG \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n

Go \u63d0\u4f9b\u4ee5\u4e0b\u6570\u636e\u540c\u6b65\u673a\u5236\uff1aMutex\uff08\u4e92\u65a5\u9501\uff09\uff1a\u9650\u5236\u5171\u4eab\u8d44\u6e90\u7684\u5e76\u53d1\u8bbf\u95ee\uff0c\u907f\u514d\u6570\u636e\u7ade\u4e89\u3002WaitGroup\uff1a\u534f\u8c03\u5e76\u53d1\u4efb\u52a1\uff0c\u786e\u4fdd\u5728\u6240\u6709\u4efb\u52a1\u5b8c\u6210\u524d\u4e0d\u7ee7\u7eed\u6267\u884c\u3002channel\uff08\u901a\u9053\uff09\uff1agoroutine \u4e4b\u95f4\u901a\u4fe1\uff0c\u53d1\u9001\u548c\u63a5\u6536\u503c\uff0c\u786e\u4fdd\u6709\u5e8f\u8bbf\u95ee\u3002\u539f\u5b50\u64cd\u4f5c\uff1a\u5b89\u5168\u5730\u66f4\u65b0\u5171\u4eab\u53d8\u91cf\uff0c\u907f\u514d\u7ade\u6001\u6761\u4ef6\u3002<\/p>\n

<\/p>\n

GOLANG \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236<\/strong><\/p>\n

\u5728 Go \u4e2d\u6267\u884c\u5e76\u53d1\u4efb\u52a1\u65f6\uff0c\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u63a2\u8ba8 Go \u8bed\u8a00\u4e2d\u63d0\u4f9b\u7684\u6570\u636e\u540c\u6b65\u673a\u5236\uff0c\u5e2e\u52a9\u4f60\u5b9e\u73b0\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u6570\u636e\u5b89\u5168\u8bbf\u95ee\u3002<\/p>\n

Mutex<\/strong><\/p>\n

\u4e92\u65a5\u9501\uff08Mutex\uff09\u662f\u6700\u5e38\u7528\u7684\u540c\u6b65\u673a\u5236\u4e4b\u4e00\u3002\u5b83\u5141\u8bb8\u4e00\u6b21\u53ea\u6709\u4e00\u4e2a goroutine \u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\uff0c\u4ece\u800c\u9632\u6b62\u6570\u636e\u7ade\u4e89\u3002\u4f7f\u7528 Mutex \u7684\u65b9\u5f0f\uff1a<\/p>\n

import \"sync\"\n\nvar lock sync.Mutex\n\nfunc myFunc() {\n    lock.Lock()\n    defer lock.Unlock()\n    \/\/ \u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\n}<\/pre>\n
WaitGroup<\/strong><\/p>\n
WaitGroup \u7528\u6765\u7b49\u5f85\u4e00\u7ec4 goroutine \u5b8c\u6210\u3002\u8fd9\u5bf9\u4e8e\u534f\u8c03\u5e76\u53d1\u4efb\u52a1\u548c\u786e\u4fdd\u5728\u6240\u6709\u4efb\u52a1\u5b8c\u6210\u4e4b\u524d\u4e0d\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u5904\u7406\u975e\u5e38\u6709\u7528\u3002<\/p>\n
import \"sync\"\n\nvar wg sync.WaitGroup\n\nfunc myFunc() {\n    defer wg.Done()\n    \/\/ \u6267\u884c\u4efb\u52a1\n}\n\nfunc main() {\n    \/\/ \u521b\u5efa\u4e00\u4e2a goroutine \u6c60\n    for i := 0; i < 10; i++ {\n        wg.Add(1)\n        go myFunc()\n    }\n    \/\/ \u7b49\u5f85\u6240\u6709 goroutine \u5b8c\u6210\n    wg.Wait()\n}<\/pre>\n
channel<\/strong><\/p>\n
\u901a\u9053\uff08channel\uff09\u662f\u4e00\u79cd\u7528\u4e8e goroutine \u4e4b\u95f4\u901a\u4fe1\u7684\u540c\u6b65\u673a\u5236\u3002\u901a\u9053\u5141\u8bb8\u4e00\u4e2a goroutine \u5c06\u503c\u53d1\u9001\u5230\u53e6\u4e00\u4e2a goroutine\uff0c\u540c\u65f6\u786e\u4fdd\u63a5\u6536\u65b9\u5728\u503c\u51c6\u5907\u597d\u4e4b\u524d\u4e0d\u4f1a\u963b\u585e\u3002<\/p>\n
import \"sync\"\n\nvar ch chan int\n\nfunc myFunc(i int) {\n    ch <- i\n}\n\nfunc main() {\n    ch := make(chan int, 10) \/\/ \u521b\u5efa\u5bb9\u91cf\u4e3a 10 \u7684\u7f13\u51b2\u901a\u9053\n    var wg = sync.WaitGroup{}\n    defer wg.Wait()\n    \/\/ \u521b\u5efa\u4e00\u4e9b goroutine\n    for i := 0; i < 10; i++ {\n        wg.Add(1)\n        go func(i int) {\n            defer wg.Done()\n            myFunc(i)\n        }(i)\n    }\n    \/\/ \u4ece\u901a\u9053\u4e2d\u83b7\u53d6\u7ed3\u679c\n    for {\n        num := <-ch\n        fmt.Println(num)\n    }\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b\uff1a\u5e76\u884c\u5904\u7406\u6587\u4ef6<\/strong><\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u5e76\u884c\u5904\u7406\u5927\u91cf\u6587\u4ef6\u7684\u5b9e\u6218\u6848\u4f8b\uff1a<\/p>\n
import (\n    \"io\/ioutil\"\n    \"sync\"\n    \"sync\/atomic\"\n)\n\nvar counter int32 \/\/ \u539f\u5b50\u8ba1\u6570\u5668\n\nfunc main() {\n    var wg sync.WaitGroup\n    files := []string{\"file1.txt\", \"file2.txt\", \"file3.txt\"} \/\/ \u6587\u4ef6\u5217\u8868\n    for _, file := range files {\n        wg.Add(1)\n        go func(file string) {\n            defer wg.Done()\n            data, err := ioutil.ReadFile(file)\n            if err != nil {\n                fmt.Println(err)\n                return\n            }\n            \/\/ \u5904\u7406\u6587\u4ef6\u6570\u636e\n            atomic.AddInt32(&counter, 1)\n        }(file)\n    }\n    wg.Wait()\n    fmt.Println(\"Total files processed:\", counter)\n}<\/pre>\n
\u901a\u8fc7\u4f7f\u7528 WaitGroup \u548c\u539f\u5b50\u8ba1\u6570\u5668\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u5e76\u884c\u5904\u7406\u6587\u4ef6\u800c\u4e0d\u4e22\u5931\u6570\u636e\u3002<\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aGOLANG \u51fd\u6570\uff1a\u5e76\u53d1\u4efb\u52a1\u6267\u884c\u4e2d\u7684\u6570\u636e\u540c\u6b65\u673a\u5236\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGOLANG\u77e5\u8bc6\uff01<\/p>\n
\n
\n <\/dt>\n
\n   \u82f9\u679c\u7535\u8111macbook\u5929\u624d\u5427\u7684\u4f5c\u7528\u8ddfone to one\u7684\u533a\u522b\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u89e3\u51b3VSCode\u4e2d\u6298\u53e0\u90e8\u5206\u7684\u4ee3\u7801\u590d\u5236\u95ee\u9898\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205919","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205919"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205919\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}