{"id":205939,"date":"2025-06-12T12:14:25","date_gmt":"2025-06-12T04:14:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205939\/"},"modified":"2025-06-12T12:14:25","modified_gmt":"2025-06-12T04:14:25","slug":"golang-%e5%87%bd%e6%95%b0%ef%bc%9a%e7%b1%bb%e5%9e%8b%e6%96%ad%e8%a8%80%e5%9c%a8-go-%e5%b9%b6%e5%8f%91%e7%bc%96%e7%a8%8b%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205939\/","title":{"rendered":"Golang \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u5728 Go \u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u5728 Go \u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241028\/1730108197671f5b2551c25.jpg\" class=\"aligncenter\">,\u5728 Go \u4e2d\uff0c\u7c7b\u578b\u65ad\u8a00\u5141\u8bb8\u60a8\u5728\u8fd0\u884c\u65f6\u68c0\u67e5\u548c\u8f6c\u6362\u63a5\u53e3\u548c\u7a7a\u63a5\u53e3\u7684\u503c\u3002\u5b83\u5728\u9700\u8981\u52a8\u6001\u68c0\u67e5\u53d8\u91cf\u7c7b\u578b\u4ee5\u6267\u884c\u4e0d\u540c\u64cd\u4f5c\u7684\u5e76\u53d1\u7a0b\u5e8f\u4e2d\u7279\u522b\u6709\u7528\u3002,\u7c7b\u578b\u65ad\u8a00\u9075\u5faa\u4ee5\u4e0b\u8bed\u6cd5\uff1a,\u5176\u4e2d\uff1a,\u8003\u8651\u4e00\u4e2a\u5e76\u53d1\u5e94\u7528\u7a0b\u5e8f\uff0c\u8be5\u5e94\u7528\u7a0b\u5e8f\u4ece\u901a\u9053\u63a5\u6536\u4e0d\u540c\u7c7b\u578b\u7684\u503c\u3002\u4e3a\u4e86\u5904\u7406\u8fd9\u4e9b\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4e00\u4e2a\u5355\u72ec\u7684 goroutine\uff08\u8f7b\u91cf\u7ea7\u7ebf\u7a0b\uff09\u4e2d\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\uff1a,\u7c7b\u578b\u65ad\u8a00\u662f Go \u4e2d\u4e00\u9879\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u4f7f\u60a8\u53ef\u4ee5\u52a8\u6001\u68c0\u67e5\u548c\u8f6c\u6362\u503c\uff0c\u4ece\u800c\u63d0\u9ad8\u5e76\u53d1\u7a0b\u5e8f\u7684\u7075\u6d3b\u6027\u548c\u62bd\u8c61\u80fd\u529b\u3002\u901a\u8fc7\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\uff0c\u672c\u6587\u5c55\u793a\u4e86\u5728\u5e76\u53d1 Go \u7a0b\u5e8f\u4e2d\u5982\u4f55\u6709\u6548\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u3002,\u4eca\u5929\u5173\u4e8e\u300aGOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u5728 Go \u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u5e76\u53d1\u7f16\u7a0b,\u7c7b\u578b\u65ad\u8a00\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,\u4e3b goroutine \u5411<br \/>\n<code>ch<\/code> \u53d1\u9001\u4e0d\u540c\u7c7b\u578b\u7684\u503c\uff0c\u5c55\u793a\u4e86\u7c7b\u578b\u65ad\u8a00\u7684\u529f\u80fd\u3002,<\/p>\n<p>\u5728\u5904\u7406 goroutine \u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>type<\/code> \u65ad\u8a00\u6765\u68c0\u67e5\u5e76\u8f6c\u6362\u4ece <code>ch<\/code> \u63a5\u6536\u7684\u503c\u3002\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u503c\u662f <code>int<\/code>\uff0c\u5219\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u3002<\/li>\n<li>\u5982\u679c\u503c\u662f <code>string<\/code>\uff0c\u5219\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u3002<\/li>\n<li>\u5bf9\u4e8e\u4efb\u4f55\u5176\u4ed6\u7c7b\u578b\uff0c\u6211\u4eec\u6253\u5370\u4e00\u4e2a\u672a\u5904\u7406\u7c7b\u578b\u7684\u6d88\u606f\u3002<\/li>\n<\/ul>\n<p>,\u542f\u52a8\u4e00\u4e2a goroutine \u6765\u5904\u7406<br \/>\n<code>ch<\/code> \u4e2d\u63a5\u6536\u7684\u503c\u3002,\u4e3b goroutine \u521b\u5efa\u4e00\u4e2a\u901a\u9053<br \/>\n<code>ch<\/code> \u6765\u63a5\u6536\u4e0d\u540c\u7c7b\u578b\u7684\u503c\u3002,<br \/>\n<code>T<\/code> \u662f\u8981\u65ad\u8a00\u7684\u7c7b\u578b\u3002,<br \/>\n<code>x<\/code> \u662f\u8981\u8fdb\u884c\u65ad\u8a00\u7684\u63a5\u53e3\u6216\u7a7a\u63a5\u53e3\u503c\u3002,<br \/>\n<code>value<\/code> \u662f\u65ad\u8a00\u6210\u529f\u7684\u53d8\u91cf\uff0c\u5982\u679c\u6709\u5fc5\u8981\uff0c\u5219\u6309<br \/>\n<code>T<\/code> \u8f6c\u6362<br \/>\n<code>x<\/code>\u3002,\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u5728 Go \u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>GOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u5728 Go \u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528<\/span><\/p>\n<h1>GOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u5728 Go \u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528<\/h1>\n<p><span>2024-10-28 17:36:52<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u5728 Go \u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241028\/1730108197671f5b2551c25.jpg\" class=\"aligncenter\"><\/p>\n<h2>Go \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u5728\u5e76\u53d1\u7684 Go \u7a0b\u5e8f\u4e2d\u5e94\u7528<\/h2>\n<p>\u5728 Go \u4e2d\uff0c\u7c7b\u578b\u65ad\u8a00\u5141\u8bb8\u60a8\u5728\u8fd0\u884c\u65f6\u68c0\u67e5\u548c\u8f6c\u6362\u63a5\u53e3\u548c\u7a7a\u63a5\u53e3\u7684\u503c\u3002\u5b83\u5728\u9700\u8981\u52a8\u6001\u68c0\u67e5\u53d8\u91cf\u7c7b\u578b\u4ee5\u6267\u884c\u4e0d\u540c\u64cd\u4f5c\u7684\u5e76\u53d1\u7a0b\u5e8f\u4e2d\u7279\u522b\u6709\u7528\u3002<\/p>\n<h3>\u8bed\u6cd5<\/h3>\n<p>\u7c7b\u578b\u65ad\u8a00\u9075\u5faa\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>value, ok := x.(T)<\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li><code>x<\/code> \u662f\u8981\u8fdb\u884c\u65ad\u8a00\u7684\u63a5\u53e3\u6216\u7a7a\u63a5\u53e3\u503c\u3002<\/li>\n<li><code>T<\/code> \u662f\u8981\u65ad\u8a00\u7684\u7c7b\u578b\u3002<\/li>\n<li><code>value<\/code> \u662f\u65ad\u8a00\u6210\u529f\u7684\u53d8\u91cf\uff0c\u5982\u679c\u6709\u5fc5\u8981\uff0c\u5219\u6309 <code>T<\/code> \u8f6c\u6362 <code>x<\/code>\u3002<\/li>\n<li><code>ok<\/code> \u662f\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u6307\u793a <code>value<\/code> \u662f\u5426\u5b9e\u9645\u8f6c\u6362\u4e3a\u4e86 <code>T<\/code>\u3002<\/li>\n<\/ul>\n<h3>\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u7684\u5b9e\u6218\u6848\u4f8b<\/h3>\n<p>\u8003\u8651\u4e00\u4e2a\u5e76\u53d1\u5e94\u7528\u7a0b\u5e8f\uff0c\u8be5\u5e94\u7528\u7a0b\u5e8f\u4ece\u901a\u9053\u63a5\u6536\u4e0d\u540c\u7c7b\u578b\u7684\u503c\u3002\u4e3a\u4e86\u5904\u7406\u8fd9\u4e9b\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4e00\u4e2a\u5355\u72ec\u7684 goroutine\uff08\u8f7b\u91cf\u7ea7\u7ebf\u7a0b\uff09\u4e2d\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\uff1a<\/p>\n<pre>package main\n\nimport (\n    \"fmt\"\n    \"sync\"\n)\n\nfunc main() {\n    \/\/ \u521b\u5efa\u4e00\u4e2a\u901a\u9053\u6765\u53d1\u9001\u4e0d\u540c\u7c7b\u578b\u7684\u503c\n    ch := make(chan interface{})\n\n    \/\/ \u542f\u52a8\u4e00\u4e2a goroutine \u6765\u5904\u7406\u4ece\u901a\u9053\u63a5\u6536\u7684\u503c\n    var wg sync.WaitGroup\n    wg.Add(1)\n    go func() {\n        defer wg.Done()\n        for v := range ch {\n            switch v := v.(type) {\n            case int:\n                fmt.Printf(\"Received int: %d\\n\", v)\n            case string:\n                fmt.Printf(\"Received string: %s\\n\", v)\n            default:\n                fmt.Printf(\"Unhandled type: %T\\n\", v)\n            }\n        }\n    }()\n\n    \/\/ \u5411\u901a\u9053\u53d1\u9001\u4e0d\u540c\u7c7b\u578b\u7684\u503c\n    ch &lt;- 10\n    ch &lt;- \"Hello, World!\"\n    ch &lt;- float64(3.14)\n\n    \/\/ \u5173\u95ed\u901a\u9053\u4ee5 signal \u63a5\u6536\u5668\u5b8c\u6210\u5de5\u4f5c\n    close(ch)\n\n    \/\/ \u7b49\u5f85 goroutine \u5b8c\u6210\n    wg.Wait()\n}<\/pre>\n<h3>\u5de5\u4f5c\u539f\u7406<\/h3>\n<ul>\n<li>\u4e3b goroutine \u521b\u5efa\u4e00\u4e2a\u901a\u9053 <code>ch<\/code> \u6765\u63a5\u6536\u4e0d\u540c\u7c7b\u578b\u7684\u503c\u3002<\/li>\n<li>\u542f\u52a8\u4e00\u4e2a goroutine \u6765\u5904\u7406 <code>ch<\/code> \u4e2d\u63a5\u6536\u7684\u503c\u3002<\/li>\n<li>\n<p>\u5728\u5904\u7406 goroutine \u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>type<\/code> \u65ad\u8a00\u6765\u68c0\u67e5\u5e76\u8f6c\u6362\u4ece <code>ch<\/code> \u63a5\u6536\u7684\u503c\u3002\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u503c\u662f <code>int<\/code>\uff0c\u5219\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u3002<\/li>\n<li>\u5982\u679c\u503c\u662f <code>string<\/code>\uff0c\u5219\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u3002<\/li>\n<li>\u5bf9\u4e8e\u4efb\u4f55\u5176\u4ed6\u7c7b\u578b\uff0c\u6211\u4eec\u6253\u5370\u4e00\u4e2a\u672a\u5904\u7406\u7c7b\u578b\u7684\u6d88\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4e3b goroutine \u5411 <code>ch<\/code> \u53d1\u9001\u4e0d\u540c\u7c7b\u578b\u7684\u503c\uff0c\u5c55\u793a\u4e86\u7c7b\u578b\u65ad\u8a00\u7684\u529f\u80fd\u3002<\/li>\n<li>\u5173\u95ed\u901a\u9053\u4ee5 signal \u63a5\u6536\u5668\u5b8c\u6210\u5de5\u4f5c\u3002<\/li>\n<li>\u4e3b goroutine \u7b49\u5f85\u63a5\u6536\u5668 goroutine \u5b8c\u6210\u3002<\/li>\n<\/ul>\n<h3>\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879<\/h3>\n<ul>\n<li>\u7c7b\u578b\u65ad\u8a00\u5fc5\u987b\u5728\u8d4b\u503c\u8fd0\u7b97\u4e4b\u524d\u8fdb\u884c\uff0c\u5e76\u4e14\u5fc5\u987b\u63a5\u6536\u4e24\u4e2a\u53d8\u91cf\uff08<code>value<\/code> \u548c <code>ok<\/code>\uff09\u3002<\/li>\n<li>\u5982\u679c\u65ad\u8a00\u5931\u8d25\uff0c<code>ok<\/code> \u5c06\u4e3a <code>false<\/code>\uff0c\u800c <code>value<\/code> \u5c06\u88ab\u96f6\u503c\u3002<\/li>\n<li>\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u65f6\uff0c\u5e94\u8c28\u614e\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff0c\u56e0\u4e3a\u65e0\u6548\u7684\u65ad\u8a00\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u6050\u614c\u3002<\/li>\n<\/ul>\n<h3>\u7ed3\u8bba<\/h3>\n<p>\u7c7b\u578b\u65ad\u8a00\u662f Go 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<\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u6ca1\u8054\u7f51\u7535\u8111mac\u5730\u5740\u67e5\u8be2\u65b9\u6cd5\uff1f\n 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