{"id":205896,"date":"2025-06-12T10:26:03","date_gmt":"2025-06-12T02:26:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205896\/"},"modified":"2025-06-12T10:26:03","modified_gmt":"2025-06-12T02:26:03","slug":"golang-%e5%87%bd%e6%95%b0%e5%b9%b6%e5%8f%91%e7%bc%96%e7%a8%8b%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e5%b9%b6%e5%8f%91%e5%ae%89%e5%85%a8%e9%97%ae%e9%a2%98%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205896\/","title":{"rendered":"Golang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u5982\u4f55\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff1f"},"content":{"rendered":"

\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f<\/span>\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u5982\u4f55\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8eGOLANG<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span>,Go\u5e76\u53d1\u7f16\u7a0b\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u6709\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u4e92\u65a5\u9501\uff1a\u9632\u6b62\u6570\u636e\u7ade\u6001\uff0c\u786e\u4fdd\u4e00\u6b21\u53ea\u6709\u4e00\u6761goroutine\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u3002\u901a\u9053\uff1a\u5b89\u5168\u5730\u4f20\u9012\u6570\u636e\uff0c\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u548c\u6309\u5e8f\u4f20\u8f93\u3002\u539f\u5b50\u64cd\u4f5c\uff1a\u4fdd\u8bc1\u5bf9\u5171\u4eab\u6570\u636e\u7684\u8bfb\u5199\u64cd\u4f5c\u662f\u539f\u5b50\u6027\u7684\uff0c\u9632\u6b62\u591agoroutine\u540c\u65f6\u8bbf\u95ee\u3002,
\n,\u5728 Go \u4e2d\u4f7f\u7528\u5e76\u53d1\u7f16\u7a0b\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u4f46\u540c\u65f6\u4e5f\u4f1a\u5e26\u6765\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u3002\u4e3a\u6b64\uff0cGo \u63d0\u4f9b\u4e86\u591a\u79cd\u673a\u5236\u6765\u5904\u7406\u8fd9\u4e9b\u95ee\u9898\u3002,\u6570\u636e\u7ade\u6001\u662f\u6307\u591a\u4e2a goroutine \u540c\u65f6\u4fee\u6539\u5171\u4eab\u6570\u636e\u7684\u60c5\u51b5\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u7ed3\u679c\u548c\u7a0b\u5e8f\u5d29\u6e83\u3002Go \u4f7f\u7528\u4e92\u65a5\u9501\u89e3\u51b3\u6b64\u95ee\u9898\u3002,
\n\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong>,\u4e92\u65a5\u9501\u901a\u8fc7\u5f3a\u5236 goroutine \u4e00\u6b21\u53ea\u80fd\u83b7\u53d6\u4e00\u4e2a\u9501\u6765\u89e3\u51b3\u6570\u636e\u7ade\u6001\u3002,\u901a\u9053\u662f\u4e00\u4e2a\u7528\u4e8e\u5728 goroutine \u4e4b\u95f4\u5b89\u5168\u901a\u4fe1\u7684\u7f13\u51b2\u901a\u9053\u3002\u5b83\u4eec\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u4e14\u6309\u5e8f\u4f20\u9012\u3002,
\n\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong>,\u901a\u9053\u901a\u8fc7\u963b\u585e\u53d1\u9001\u8005\u76f4\u5230\u63a5\u6536\u8005\u51c6\u5907\u597d\u63a5\u6536\u6570\u636e\u6765\u4fdd\u8bc1\u5e76\u53d1\u5b89\u5168\u6027\u3002,\u539f\u5b50\u64cd\u4f5c\u4fdd\u8bc1\u591a\u4e2a goroutine \u5728\u5bf9\u5171\u4eab\u6570\u636e\u6267\u884c\u8bfb\u5199\u64cd\u4f5c\u65f6\u4fdd\u6301\u539f\u5b50\u6027\u3002Go \u63d0\u4f9b\u4e86\u591a\u4e2a\u5185\u7f6e\u7684\u539f\u5b50\u7c7b\u578b\uff0c\u4f8b\u5982
\nsync\/atomic.Int64<\/code>\u3002,
\n\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong>,\u539f\u5b50\u64cd\u4f5c\u901a\u8fc7\u786e\u4fdd\u5bf9\u5171\u4eab\u6570\u636e\u7684\u6bcf\u4e2a\u8bfb\u5199\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u4e2d\u65ad\u7684\u6765\u5b9e\u73b0\u5e76\u53d1\u5b89\u5168\u6027\u3002,Go \u63d0\u4f9b\u4e86\u51e0\u79cd\u673a\u5236\u6765\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff0c\u5305\u62ec\u4e92\u65a5\u9501\u3001\u901a\u9053\u548c\u539f\u5b50\u64cd\u4f5c\u3002\u901a\u8fc7\u4ed4\u7ec6\u4f7f\u7528\u8fd9\u4e9b\u673a\u5236\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u521b\u5efa\u5b89\u5168\u7684\u5e76\u53d1\u7a0b\u5e8f\uff0c\u5145\u5206\u5229\u7528 Go \u7684\u5e76\u53d1\u7279\u6027\u3002,\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u5982\u4f55\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff1f\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,
\n\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f<\/span>\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u5982\u4f55\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8eGOLANG<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span>,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> GOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u5982\u4f55\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff1f<\/span><\/p>\n

GOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u5982\u4f55\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff1f<\/h1>\n

2024-10-27 20:34:53<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f<\/span>\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u5982\u4f55\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8eGOLANG<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n

Go\u5e76\u53d1\u7f16\u7a0b\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u6709\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u4e92\u65a5\u9501\uff1a\u9632\u6b62\u6570\u636e\u7ade\u6001\uff0c\u786e\u4fdd\u4e00\u6b21\u53ea\u6709\u4e00\u6761goroutine\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u3002\u901a\u9053\uff1a\u5b89\u5168\u5730\u4f20\u9012\u6570\u636e\uff0c\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u548c\u6309\u5e8f\u4f20\u8f93\u3002\u539f\u5b50\u64cd\u4f5c\uff1a\u4fdd\u8bc1\u5bf9\u5171\u4eab\u6570\u636e\u7684\u8bfb\u5199\u64cd\u4f5c\u662f\u539f\u5b50\u6027\u7684\uff0c\u9632\u6b62\u591agoroutine\u540c\u65f6\u8bbf\u95ee\u3002<\/p>\n

<\/p>\n

Go \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898<\/h2>\n

\u5728 Go \u4e2d\u4f7f\u7528\u5e76\u53d1\u7f16\u7a0b\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u4f46\u540c\u65f6\u4e5f\u4f1a\u5e26\u6765\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u3002\u4e3a\u6b64\uff0cGo \u63d0\u4f9b\u4e86\u591a\u79cd\u673a\u5236\u6765\u5904\u7406\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n

\u6570\u636e\u7ade\u6001<\/h3>\n

\u6570\u636e\u7ade\u6001\u662f\u6307\u591a\u4e2a goroutine \u540c\u65f6\u4fee\u6539\u5171\u4eab\u6570\u636e\u7684\u60c5\u51b5\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u7ed3\u679c\u548c\u7a0b\u5e8f\u5d29\u6e83\u3002Go \u4f7f\u7528\u4e92\u65a5\u9501\u89e3\u51b3\u6b64\u95ee\u9898\u3002<\/p>\n

\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n

import (\n    \"fmt\"\n    \"sync\"\n)\n\nvar counter int\n\nfunc IncrementCounter(mu *sync.Mutex) {\n    mu.Lock()\n    counter++\n    mu.Unlock()\n}\n\nfunc main() {\n    var mu sync.Mutex\n\n    var wg sync.WaitGroup\n    wg.Add(10)\n\n    for i := 0; i < 10; i++ {\n        go func() {\n            IncrementCounter(&mu)\n            wg.Done()\n        }()\n    }\n\n    wg.Wait()\n\n    fmt.Println(counter) \/\/ \u6253\u5370 10\n}<\/pre>\n
\u4e92\u65a5\u9501\u901a\u8fc7\u5f3a\u5236 goroutine \u4e00\u6b21\u53ea\u80fd\u83b7\u53d6\u4e00\u4e2a\u9501\u6765\u89e3\u51b3\u6570\u636e\u7ade\u6001\u3002<\/p>\n
\u901a\u9053<\/h3>\n
\u901a\u9053\u662f\u4e00\u4e2a\u7528\u4e8e\u5728 goroutine \u4e4b\u95f4\u5b89\u5168\u901a\u4fe1\u7684\u7f13\u51b2\u901a\u9053\u3002\u5b83\u4eec\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u4e14\u6309\u5e8f\u4f20\u9012\u3002<\/p>\n
\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n
import \"fmt\"\n\nfunc main() {\n    ch := make(chan int)\n\n    go func() {\n        ch <- 42\n        close(ch)\n    }()\n\n    value := <-ch\n    fmt.Println(value) \/\/ \u6253\u5370 42\n}<\/pre>\n
\u901a\u9053\u901a\u8fc7\u963b\u585e\u53d1\u9001\u8005\u76f4\u5230\u63a5\u6536\u8005\u51c6\u5907\u597d\u63a5\u6536\u6570\u636e\u6765\u4fdd\u8bc1\u5e76\u53d1\u5b89\u5168\u6027\u3002<\/p>\n
\u539f\u5b50\u64cd\u4f5c<\/h3>\n
\u539f\u5b50\u64cd\u4f5c\u4fdd\u8bc1\u591a\u4e2a goroutine \u5728\u5bf9\u5171\u4eab\u6570\u636e\u6267\u884c\u8bfb\u5199\u64cd\u4f5c\u65f6\u4fdd\u6301\u539f\u5b50\u6027\u3002Go \u63d0\u4f9b\u4e86\u591a\u4e2a\u5185\u7f6e\u7684\u539f\u5b50\u7c7b\u578b\uff0c\u4f8b\u5982 sync\/atomic.Int64<\/code>\u3002<\/p>\n
\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n
import (\n    \"fmt\"\n    \"sync\/atomic\"\n)\n\nfunc main() {\n    var counter int64\n\n    var wg sync.WaitGroup\n    wg.Add(10)\n\n    for i := 0; i < 10; i++ {\n        go func() {\n            for i := 0; i < 1000000; i++ {\n                atomic.AddInt64(&counter, 1)\n            }\n            wg.Done()\n        }()\n    }\n\n    wg.Wait()\n\n    fmt.Println(counter) \/\/ \u6253\u5370 10000000\n}<\/pre>\n
\u539f\u5b50\u64cd\u4f5c\u901a\u8fc7\u786e\u4fdd\u5bf9\u5171\u4eab\u6570\u636e\u7684\u6bcf\u4e2a\u8bfb\u5199\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u4e2d\u65ad\u7684\u6765\u5b9e\u73b0\u5e76\u53d1\u5b89\u5168\u6027\u3002<\/p>\n
\u7ed3\u8bba<\/h3>\n
Go \u63d0\u4f9b\u4e86\u51e0\u79cd\u673a\u5236\u6765\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff0c\u5305\u62ec\u4e92\u65a5\u9501\u3001\u901a\u9053\u548c\u539f\u5b50\u64cd\u4f5c\u3002\u901a\u8fc7\u4ed4\u7ec6\u4f7f\u7528\u8fd9\u4e9b\u673a\u5236\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u521b\u5efa\u5b89\u5168\u7684\u5e76\u53d1\u7a0b\u5e8f\uff0c\u5145\u5206\u5229\u7528 Go \u7684\u5e76\u53d1\u7279\u6027\u3002<\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u5982\u4f55\u5904\u7406\u5e76\u53d1\u5b89\u5168\u95ee\u9898\uff1f\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   \u5982\u4f55\u5728Java\u9759\u6001\u65b9\u6cd5\u4e2d\u83b7\u53d6\u8c03\u7528\u7c7b\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u5728Java\u4e2d\u5b9a\u4e49\u65b9\u6cd5\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
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