{"id":205855,"date":"2025-06-12T09:16:29","date_gmt":"2025-06-12T01:16:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205855\/"},"modified":"2025-06-12T09:16:29","modified_gmt":"2025-06-12T01:16:29","slug":"golang-%e5%87%bd%e6%95%b0%e5%b9%b6%e5%8f%91%e7%bc%96%e7%a8%8b%e7%9a%84%e5%b8%b8%e8%a7%81%e9%99%b7%e9%98%b1%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205855\/","title":{"rendered":"Golang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd
\n\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01,
\n,
\nGo \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631<\/strong>,Go \u8bed\u8a00\u7684\u5e76\u53d1\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u5904\u7406\u5e76\u53d1\u7f16\u7a0b\u4efb\u52a1\u7684\u7406\u60f3\u9009\u62e9\u3002\u7136\u800c\uff0c\u5728\u7f16\u5199\u5e76\u53d1\u4ee3\u7801\u65f6\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u4e00\u4e9b\u5e38\u89c1\u7684\u9677\u9631\u3002,
\n1. \u6570\u636e\u7ade\u4e89<\/strong>,\u6570\u636e\u7ade\u4e89\u53d1\u751f\u5728\u591a\u4e2a goroutine \u540c\u65f6\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u65f6\uff0c\u5e76\u4e14\u5728\u6ca1\u6709\u9002\u5f53\u7684\u540c\u6b65\u673a\u5236\u7684\u60c5\u51b5\u4e0b\u4fee\u6539\u8be5\u6570\u636e\u3002\u8fd9\u901a\u5e38\u4f1a\u5bfc\u81f4\u610f\u5916\u7684\u884c\u4e3a\u6216\u7a0b\u5e8f\u5d29\u6e83\u3002,
\n\u793a\u4f8b\uff1a<\/strong>,\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u591a\u4e2a goroutine \u90fd\u4fee\u6539\u5171\u4eab\u53d8\u91cf
\ncounter<\/code>\uff0c\u4f46\u6ca1\u6709\u4f7f\u7528\u4efb\u4f55\u540c\u6b65\u673a\u5236\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\uff0c\u5e76\u4e14
\ncounter<\/code> \u7684\u6700\u7ec8\u503c\u53d6\u51b3\u4e8e goroutine \u7684\u6267\u884c\u987a\u5e8f\u3002,
\n\u89e3\u51b3\u65b9\u6848\uff1a<\/strong>,\u4f7f\u7528\u540c\u6b65\u673a\u5236\uff08\u4f8b\u5982\u4e92\u65a5\u9501\u6216\u539f\u5b50\u64cd\u4f5c\uff09\u6765\u786e\u4fdd\u5bf9\u5171\u4eab\u6570\u636e\u7684\u5e76\u53d1\u8bbf\u95ee\u662f\u5b89\u5168\u7684\u3002,
\n2. \u6b7b\u9501<\/strong>,\u6b7b\u9501\u53d1\u751f\u5728\u4e24\u4e2a\u6216\u591a\u4e2a goroutine \u7b49\u5f85\u5f7c\u6b64\u91ca\u653e\u8d44\u6e90\u65f6\uff0c\u4ece\u800c\u5bfc\u81f4\u7a0b\u5e8f\u505c\u6ede\u3002,
\n\u793a\u4f8b\uff1a<\/strong>,\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u4e24\u4e2a goroutine \u76f8\u4e92\u7b49\u5f85\u5bf9\u65b9\u7684\u4fe1\u53f7\u624d\u80fd\u7ee7\u7eed\u6267\u884c\u3002\u8fd9\u5c06\u5bfc\u81f4\u6b7b\u9501\uff0c\u56e0\u4e3a\u4efb\u4f55 goroutine \u90fd\u65e0\u6cd5\u53d1\u9001\u6216\u63a5\u6536\u4fe1\u53f7\u3002,
\n\u89e3\u51b3\u65b9\u6848\uff1a<\/strong>,\u4ed4\u7ec6\u8bbe\u8ba1\u4f60\u7684\u5e76\u53d1\u7a0b\u5e8f\uff0c\u4ee5\u786e\u4fdd\u6ca1\u6709\u6b7b\u9501\u5faa\u73af\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u8d85\u65f6\u6216\u4f7f\u7528\u975e\u963b\u585e\u901a\u4fe1\uff08\u4f8b\u5982\u901a\u9053\u9009\u62e9\u5668\uff09\u6765\u907f\u514d\u6b7b\u9501\u3002,
\n3. \u534f\u7a0b\u6cc4\u9732<\/strong>,\u534f\u7a0b\u6cc4\u9732\u53d1\u751f\u5728\u4f60\u4e0d\u518d\u9700\u8981\u4e00\u4e2a\u534f\u7a0b\u65f6\uff0c\u5b83\u4ecd\u7136\u5728\u8fd0\u884c\u4e2d\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u8d44\u6e90\u6d6a\u8d39\uff0c\u751a\u81f3\u5185\u5b58\u6cc4\u6f0f\u3002,
\n\u793a\u4f8b\uff1a<\/strong>,\u4e0a\u9762\u7684\u4ee3\u7801\u542f\u52a8\u4e86 10 \u4e2a goroutine\uff0c\u4f46\u6ca1\u6709\u7b49\u5f85\u5b83\u4eec\u5b8c\u6210\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4 goroutine \u6cc4\u9732\uff0c\u56e0\u4e3a\u5b83\u4eec\u5728\u4e3b\u51fd\u6570\u8fd4\u56de\u540e\u4ecd\u7136\u5728\u8fd0\u884c\u3002,
\n\u89e3\u51b3\u65b9\u6848\uff1a<\/strong>,\u7b49\u5f85\u6240\u6709 goroutine \u5b8c\u6210\uff0c\u6216\u4f7f\u7528
\nsync.WaitGroup<\/code> \u6216
\ncontext.Context<\/code> \u7b49\u673a\u5236\u6765\u7ba1\u7406 goroutine \u7684\u751f\u547d\u5468\u671f\u3002,\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631\u6709\u54ea\u4e9b\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,Go \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631,\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd
\n\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> GOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631\u6709\u54ea\u4e9b\uff1f<\/span><\/p>\n

GOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631\u6709\u54ea\u4e9b\uff1f<\/h1>\n

2024-10-27 17:05:55<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

<\/p>\n

Go \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u5e38\u89c1\u9677\u9631<\/strong><\/p>\n

Go \u8bed\u8a00\u7684\u5e76\u53d1\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u5904\u7406\u5e76\u53d1\u7f16\u7a0b\u4efb\u52a1\u7684\u7406\u60f3\u9009\u62e9\u3002\u7136\u800c\uff0c\u5728\u7f16\u5199\u5e76\u53d1\u4ee3\u7801\u65f6\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u4e00\u4e9b\u5e38\u89c1\u7684\u9677\u9631\u3002<\/p>\n

1. \u6570\u636e\u7ade\u4e89<\/strong><\/p>\n

\u6570\u636e\u7ade\u4e89\u53d1\u751f\u5728\u591a\u4e2a goroutine \u540c\u65f6\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u65f6\uff0c\u5e76\u4e14\u5728\u6ca1\u6709\u9002\u5f53\u7684\u540c\u6b65\u673a\u5236\u7684\u60c5\u51b5\u4e0b\u4fee\u6539\u8be5\u6570\u636e\u3002\u8fd9\u901a\u5e38\u4f1a\u5bfc\u81f4\u610f\u5916\u7684\u884c\u4e3a\u6216\u7a0b\u5e8f\u5d29\u6e83\u3002<\/p>\n

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

package main\n\nimport (\n    \"fmt\"\n    \"time\"\n)\n\nvar counter int\n\nfunc main() {\n    for i := 0; i < 10; i++ {\n        go func() {\n            counter++\n            fmt.Println(counter)\n        }()\n    }\n    time.Sleep(time.Second)\n    fmt.Println(\"Final counter value:\", counter)\n}<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u591a\u4e2a goroutine \u90fd\u4fee\u6539\u5171\u4eab\u53d8\u91cf counter<\/code>\uff0c\u4f46\u6ca1\u6709\u4f7f\u7528\u4efb\u4f55\u540c\u6b65\u673a\u5236\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\uff0c\u5e76\u4e14 counter<\/code> \u7684\u6700\u7ec8\u503c\u53d6\u51b3\u4e8e goroutine \u7684\u6267\u884c\u987a\u5e8f\u3002<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n
\u4f7f\u7528\u540c\u6b65\u673a\u5236\uff08\u4f8b\u5982\u4e92\u65a5\u9501\u6216\u539f\u5b50\u64cd\u4f5c\uff09\u6765\u786e\u4fdd\u5bf9\u5171\u4eab\u6570\u636e\u7684\u5e76\u53d1\u8bbf\u95ee\u662f\u5b89\u5168\u7684\u3002<\/p>\n
2. \u6b7b\u9501<\/strong><\/p>\n
\u6b7b\u9501\u53d1\u751f\u5728\u4e24\u4e2a\u6216\u591a\u4e2a goroutine \u7b49\u5f85\u5f7c\u6b64\u91ca\u653e\u8d44\u6e90\u65f6\uff0c\u4ece\u800c\u5bfc\u81f4\u7a0b\u5e8f\u505c\u6ede\u3002<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
package main\n\nfunc main() {\n    ch1 := make(chan int)\n    ch2 := make(chan int)\n    go func() {\n        ch1 <- 1\n        <-ch2\n    }()\n    go func() {\n        <-ch1\n        ch2 <- 1\n    }()\n    time.Sleep(time.Second)\n}<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u4e24\u4e2a goroutine \u76f8\u4e92\u7b49\u5f85\u5bf9\u65b9\u7684\u4fe1\u53f7\u624d\u80fd\u7ee7\u7eed\u6267\u884c\u3002\u8fd9\u5c06\u5bfc\u81f4\u6b7b\u9501\uff0c\u56e0\u4e3a\u4efb\u4f55 goroutine \u90fd\u65e0\u6cd5\u53d1\u9001\u6216\u63a5\u6536\u4fe1\u53f7\u3002<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n
\u4ed4\u7ec6\u8bbe\u8ba1\u4f60\u7684\u5e76\u53d1\u7a0b\u5e8f\uff0c\u4ee5\u786e\u4fdd\u6ca1\u6709\u6b7b\u9501\u5faa\u73af\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u8d85\u65f6\u6216\u4f7f\u7528\u975e\u963b\u585e\u901a\u4fe1\uff08\u4f8b\u5982\u901a\u9053\u9009\u62e9\u5668\uff09\u6765\u907f\u514d\u6b7b\u9501\u3002<\/p>\n
3. \u534f\u7a0b\u6cc4\u9732<\/strong><\/p>\n
\u534f\u7a0b\u6cc4\u9732\u53d1\u751f\u5728\u4f60\u4e0d\u518d\u9700\u8981\u4e00\u4e2a\u534f\u7a0b\u65f6\uff0c\u5b83\u4ecd\u7136\u5728\u8fd0\u884c\u4e2d\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u8d44\u6e90\u6d6a\u8d39\uff0c\u751a\u81f3\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
package main\n\nimport (\n    \"fmt\"\n    \"time\"\n)\n\nfunc main() {\n    for i := 0; i < 10; i++ {\n        go func() {\n            fmt.Println(\"Hello!\")\n        }()\n    }\n    time.Sleep(time.Second)\n}<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u542f\u52a8\u4e86 10 \u4e2a goroutine\uff0c\u4f46\u6ca1\u6709\u7b49\u5f85\u5b83\u4eec\u5b8c\u6210\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4 goroutine \u6cc4\u9732\uff0c\u56e0\u4e3a\u5b83\u4eec\u5728\u4e3b\u51fd\u6570\u8fd4\u56de\u540e\u4ecd\u7136\u5728\u8fd0\u884c\u3002<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n
\u7b49\u5f85\u6240\u6709 goroutine \u5b8c\u6210\uff0c\u6216\u4f7f\u7528 sync.WaitGroup<\/code> \u6216 context.Context<\/code> \u7b49\u673a\u5236\u6765\u7ba1\u7406 goroutine \u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n
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