{"id":40813,"date":"2024-12-01T08:57:44","date_gmt":"2024-12-01T00:57:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40813\/"},"modified":"2024-12-01T08:57:44","modified_gmt":"2024-12-01T00:57:44","slug":"golang-%e5%87%bd%e6%95%b0%e5%b9%b6%e5%8f%91%e7%bc%96%e7%a8%8b%e7%9a%84%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40813\/","title":{"rendered":"Golang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86
\n\u300aGolang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9
\nGolang<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230
\n<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60
\nGolang<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01,
\n\"Golang,
\nGo \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u6700\u4f73\u5b9e\u8df5<\/strong>,
\n\u524d\u8a00<\/strong>,\u5728 Go \u4e2d\u8fdb\u884c\u5e76\u53d1\u7f16\u7a0b\u65f6\uff0c\u91c7\u7528\u6700\u4f73\u5b9e\u8df5\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u6548\u7387\u3002\u672c\u7bc7\u6587\u7ae0\u5c06\u63a2\u8ba8\u4e00\u4e9b\u91cd\u8981\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u5e76\u901a\u8fc7\u5b9e\u9645\u6848\u4f8b\u6765\u8bf4\u660e\u5982\u4f55\u5728\u60a8\u7684\u4ee3\u7801\u4e2d\u5e94\u7528\u5b83\u4eec\u3002,
\n1. \u4f7f\u7528\u5e76\u884c\u5ea6\u9650\u5236<\/strong>,\u4e3a\u4e86\u9632\u6b62goroutine\u8fc7\u591a\u800c\u5bfc\u81f4\u8d44\u6e90\u8017\u5c3d\uff0c\u5efa\u8bae\u4f7f\u7528\u5e76\u884c\u5ea6\u9650\u5236\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\u8bbe\u7f6e\u9650\u5236\uff1a,
\n2. \u4f7f\u7528 sync \u5305<\/strong>,sync \u5305\u63d0\u4f9b\u4e86\u7528\u4e8e\u540c\u6b65\u5e76\u53d1\u8bbf\u95ee\u6570\u636e\u7684\u7c7b\u578b\u3002\u4f7f\u7528\u8bf8\u5982 Mutex\u3001RWMutex \u548c WaitGroup \u7b49\u7c7b\u578b\uff0c\u53ef\u4ee5\u786e\u4fdd\u5728\u4e0d\u53d1\u751f\u7ade\u4e89\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u3002,
\n\u6848\u4f8b\uff1a\u4f7f\u7528 Mutex \u4fdd\u62a4\u5171\u4eab\u53d8\u91cf<\/strong>,
\n3. \u4f7f\u7528\u901a\u9053\u901a\u4fe1<\/strong>,\u901a\u9053\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u673a\u5236\uff0c\u7528\u4e8e\u5728 goroutine \u4e4b\u95f4\u4f20\u9012\u6570\u636e\u3002\u5b83\u4eec\u53ef\u4ee5\u7528\u6765\u4ee3\u66ff\u5171\u4eab\u5185\u5b58\uff0c\u4ee5\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u3002,
\n\u6848\u4f8b\uff1a\u4f7f\u7528\u901a\u9053\u4ece goroutine \u63a5\u6536\u6570\u636e<\/strong>,
\n4. \u4f7f\u7528 goroutine \u6c60<\/strong>,goroutine \u6c60\u53ef\u4ee5\u51cf\u5c11\u521b\u5efa\u548c\u9500\u6bc1 goroutine \u7684\u5f00\u9500\u3002\u8fd9\u901a\u8fc7\u91cd\u7528\u73b0\u6709\u7684 goroutine \u6765\u63d0\u9ad8\u6027\u80fd\u3002,
\n\u6848\u4f8b\uff1a\u4f7f\u7528 goroutine \u6c60\u6267\u884c\u5e76\u884c\u4efb\u52a1<\/strong>,
\n5. \u8003\u8651\u4f7f\u7528\u4e0a\u4e0b\u6587<\/strong>,\u4e0a\u4e0b\u6587\u662f\u4e00\u4e2a\u952e\u503c\u5b58\u50a8\uff0c\u7528\u4e8e\u4f20\u9012\u8bf7\u6c42\u6216\u64cd\u4f5c\u7279\u5b9a\u4fe1\u606f\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u53d6\u6d88\u64cd\u4f5c\u3001\u4f20\u64ad\u622a\u6b62\u65f6\u95f4\u6216\u8bbe\u7f6e\u7528\u6237\u7279\u5b9a\u7684\u5143\u6570\u636e\u3002,
\n\u6848\u4f8b\uff1a\u4f7f\u7528\u4e0a\u4e0b\u6587\u4f20\u9012\u622a\u6b62\u65f6\u95f4<\/strong>,
\n\u7ed3\u8bba<\/strong>,\u901a\u8fc7\u5e94\u7528\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u5b89\u5168\u3001\u6709\u6548\u4e14\u6613\u4e8e\u7ef4\u62a4\u7684\u5e76\u53d1 Go \u7a0b\u5e8f\u3002\u59cb\u7ec8\u8bb0\u4f4f\u4f18\u5316\u5e76\u53d1\u4ee3\u7801\u9700\u8981\u6743\u8861\u53d6\u820d\uff0c\u56e0\u6b64\u6839\u636e\u7279\u5b9a\u7684\u9700\u6c42\u4ed4\u7ec6\u9009\u62e9\u6280\u672f\u975e\u5e38\u91cd\u8981\u3002,\u672c\u7bc7\u5173\u4e8e\u300aGolang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\u6709\u54ea\u4e9b\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff01,Go \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u6700\u4f73\u5b9e\u8df5,\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86
\n\u300aGolang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9
\nGolang<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230
\n<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60
\nGolang<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Golang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\u6709\u54ea\u4e9b\uff1f<\/span><\/p>\n

Golang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\u6709\u54ea\u4e9b\uff1f<\/h1>\n

2024-10-28 15:48:50<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aGolang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9Golang<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60Golang<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n

\"Golang<\/p>\n

Go \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n

\u524d\u8a00<\/strong><\/p>\n

\u5728 Go \u4e2d\u8fdb\u884c\u5e76\u53d1\u7f16\u7a0b\u65f6\uff0c\u91c7\u7528\u6700\u4f73\u5b9e\u8df5\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u6548\u7387\u3002\u672c\u7bc7\u6587\u7ae0\u5c06\u63a2\u8ba8\u4e00\u4e9b\u91cd\u8981\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u5e76\u901a\u8fc7\u5b9e\u9645\u6848\u4f8b\u6765\u8bf4\u660e\u5982\u4f55\u5728\u60a8\u7684\u4ee3\u7801\u4e2d\u5e94\u7528\u5b83\u4eec\u3002<\/p>\n

1. \u4f7f\u7528\u5e76\u884c\u5ea6\u9650\u5236<\/strong><\/p>\n

\u4e3a\u4e86\u9632\u6b62goroutine\u8fc7\u591a\u800c\u5bfc\u81f4\u8d44\u6e90\u8017\u5c3d\uff0c\u5efa\u8bae\u4f7f\u7528\u5e76\u884c\u5ea6\u9650\u5236\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\u8bbe\u7f6e\u9650\u5236\uff1a<\/p>\n

runtime.GOMAXPROCS(numberOfProcessors)<\/pre>\n
2. \u4f7f\u7528 sync \u5305<\/strong><\/p>\n
sync \u5305\u63d0\u4f9b\u4e86\u7528\u4e8e\u540c\u6b65\u5e76\u53d1\u8bbf\u95ee\u6570\u636e\u7684\u7c7b\u578b\u3002\u4f7f\u7528\u8bf8\u5982 Mutex\u3001RWMutex \u548c WaitGroup \u7b49\u7c7b\u578b\uff0c\u53ef\u4ee5\u786e\u4fdd\u5728\u4e0d\u53d1\u751f\u7ade\u4e89\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u3002<\/p>\n
\u6848\u4f8b\uff1a\u4f7f\u7528 Mutex \u4fdd\u62a4\u5171\u4eab\u53d8\u91cf<\/strong><\/p>\n
var counter int\nvar mu sync.Mutex\n\nfunc IncrementCounter() {\n    mu.Lock()\n    defer mu.Unlock()\n    counter++\n}<\/pre>\n
3. \u4f7f\u7528\u901a\u9053\u901a\u4fe1<\/strong><\/p>\n
\u901a\u9053\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u673a\u5236\uff0c\u7528\u4e8e\u5728 goroutine \u4e4b\u95f4\u4f20\u9012\u6570\u636e\u3002\u5b83\u4eec\u53ef\u4ee5\u7528\u6765\u4ee3\u66ff\u5171\u4eab\u5185\u5b58\uff0c\u4ee5\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u3002<\/p>\n
\u6848\u4f8b\uff1a\u4f7f\u7528\u901a\u9053\u4ece goroutine \u63a5\u6536\u6570\u636e<\/strong><\/p>\n
var dataChannel chan int\n\nfunc ReceiveData() {\n    for {\n        data := <-dataChannel\n        \/\/ \u5904\u7406\u6570\u636e\n    }\n}<\/pre>\n
4. \u4f7f\u7528 goroutine \u6c60<\/strong><\/p>\n
goroutine \u6c60\u53ef\u4ee5\u51cf\u5c11\u521b\u5efa\u548c\u9500\u6bc1 goroutine \u7684\u5f00\u9500\u3002\u8fd9\u901a\u8fc7\u91cd\u7528\u73b0\u6709\u7684 goroutine \u6765\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
\u6848\u4f8b\uff1a\u4f7f\u7528 goroutine \u6c60\u6267\u884c\u5e76\u884c\u4efb\u52a1<\/strong><\/p>\n
import \"sync\"\n\nvar goroutinePool *sync.Pool\n\nfunc init() {\n    goroutinePool = &sync.Pool{\n        New: func() interface{} {\n            return &struct{ a, b int }{}\n        },\n    }\n}\n\nfunc PerformTaskConcurrently() {\n    workUnit := goroutinePool.Get().(*struct{ a, b int })\n    \/\/ \u6267\u884c task\n    goroutinePool.Put(workUnit)\n}<\/pre>\n
5. \u8003\u8651\u4f7f\u7528\u4e0a\u4e0b\u6587<\/strong><\/p>\n
\u4e0a\u4e0b\u6587\u662f\u4e00\u4e2a\u952e\u503c\u5b58\u50a8\uff0c\u7528\u4e8e\u4f20\u9012\u8bf7\u6c42\u6216\u64cd\u4f5c\u7279\u5b9a\u4fe1\u606f\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u53d6\u6d88\u64cd\u4f5c\u3001\u4f20\u64ad\u622a\u6b62\u65f6\u95f4\u6216\u8bbe\u7f6e\u7528\u6237\u7279\u5b9a\u7684\u5143\u6570\u636e\u3002<\/p>\n
\u6848\u4f8b\uff1a\u4f7f\u7528\u4e0a\u4e0b\u6587\u4f20\u9012\u622a\u6b62\u65f6\u95f4<\/strong><\/p>\n
ctx, cancel := context.WithTimeout(context.Background(), timeout)\ndefer cancel()\n\/\/ \u8fd0\u884c\u6709\u65f6\u95f4\u9650\u5236\u7684\u64cd\u4f5c<\/pre>\n
\u7ed3\u8bba<\/strong><\/p>\n
\u901a\u8fc7\u5e94\u7528\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u5b89\u5168\u3001\u6709\u6548\u4e14\u6613\u4e8e\u7ef4\u62a4\u7684\u5e76\u53d1 Go \u7a0b\u5e8f\u3002\u59cb\u7ec8\u8bb0\u4f4f\u4f18\u5316\u5e76\u53d1\u4ee3\u7801\u9700\u8981\u6743\u8861\u53d6\u820d\uff0c\u56e0\u6b64\u6839\u636e\u7279\u5b9a\u7684\u9700\u6c42\u4ed4\u7ec6\u9009\u62e9\u6280\u672f\u975e\u5e38\u91cd\u8981\u3002<\/p>\n
\u672c\u7bc7\u5173\u4e8e\u300aGolang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\u6709\u54ea\u4e9b\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff01<\/p>\n
\n
\n <\/dt>\n
\n   \u5149\u81f3\u79d1\u6280\u5b8c\u6210\u4ebf\u5143\u7ea7B\u8f6e\u878d\u8d44\uff0c\u805a\u7126\u81f4\u529b\u4e8e\u5148\u8fdb\u5de5\u4e1a\u6fc0\u5149\u5668\u9886\u57df\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u53bb\u6cf0\u56fd\u66fc\u8c37\u8981\u6ce8\u610f\u70b9\u4ec0\u4e48\u5730\u65b9\u5417\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
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