{"id":206276,"date":"2025-06-12T08:10:59","date_gmt":"2025-06-12T00:10:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206276\/"},"modified":"2025-06-12T08:10:59","modified_gmt":"2025-06-12T00:10:59","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%8d%95%e4%b8%aachannel%e5%ae%9e%e7%8e%b0%e5%a4%9a%e4%b8%aagoroutine%e7%9a%84%e9%a1%ba%e5%ba%8f%e6%89%a7%e8%a1%8c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206276\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u5355\u4e2aChannel\u5b9e\u73b0\u591a\u4e2aGoroutine\u7684\u987a\u5e8f\u6267\u884c\uff1f"},"content":{"rendered":"<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u5982\u4f55\u4f7f\u7528\u5355\u4e2aChannel\u5b9e\u73b0\u591a\u4e2aGoroutine\u7684\u987a\u5e8f\u6267\u884c\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241108\/1731042395672d9c5bb3339.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u5982\u4f55\u7528\u4e00\u4e2achannel\u5b9e\u73b0\u591a\u4e2agoroutine\u987a\u5e8f\u6267\u884c\uff1f<\/strong>,\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u591a\u4e2agoroutine\u6309\u7167\u7279\u5b9a\u7684\u987a\u5e8f\u6267\u884c\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u4f7f\u7528\u5355\u4e2achannel\u53ef\u4ee5\u5b9e\u73b0\u6b64\u76ee\u7684\u3002,\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a,\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u56db\u4e2a\u534f\u7a0b\u4f7f\u7528\u540c\u4e00\u4e2achannel\u8fdb\u884c\u901a\u4fe1\u3002\u6bcf\u4e2a\u534f\u7a0b\u5728\u6267\u884c\u81ea\u5df1\u7684\u4efb\u52a1\uff08\u6253\u5370\u7279\u5b9a\u5355\u8bcd\u6216\u6362\u884c\u7b26\uff09\u540e\uff0c\u90fd\u4f1a\u5411channel\u53d1\u9001\u4e00\u4e2a\u503c\u4ee5\u901a\u77e5\u4e0b\u4e00\u4e2a\u534f\u7a0b\u6267\u884c\u3002,\u8fd9\u79cd\u65b9\u6cd5\u7684\u4e3b\u8981\u95ee\u9898\u662f\uff0c\u5982\u679c\u534f\u7a0b\u7684\u6267\u884c\u987a\u5e8f\u6253\u4e71\uff0c\u4f1a\u5bfc\u81f4\u8f93\u51fa\u7ed3\u679c\u4e0d\u6b63\u786e\u3002\u4f8b\u5982\uff0c\u5982\u679cprintspace1()\u534f\u7a0b\u5728printhello1()\u534f\u7a0b\u4e4b\u524d\u6267\u884c\uff0c\u5219\u8f93\u51fa\u5c06\u662f&#8221; hello world &#8220;\u800c\u4e0d\u662f&#8221; hello world &#8220;\u3002,\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u5efa\u8bae\u65b9\u6848\u662f\u4f7f\u7528\u4e00\u4e2a\u63a7\u5236\u6027channel\u6765\u4f20\u64ad\u4e00\u4e2a\u5e8f\u53f7\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u503c\u6765\u5524\u9192\u4e0b\u4e00\u4e2a\u534f\u7a0b\u3002,\u4ee5\u4e0b\u6539\u8fdb\u540e\u7684\u4ee3\u7801\uff1a,loop\u51fd\u6570\u8d1f\u8d23\u786e\u4fdd\u534f\u7a0b\u6309\u7167\u6307\u5b9a\u7684\u987a\u5e8f\u6267\u884c\u3002\u5b83\u63a5\u6536\u4e00\u4e2a\u63a7\u5236channel\u3001\u4e00\u4e2a\u8981\u6267\u884c\u7684\u51fd\u6570\uff08f\uff09\u3001\u4e00\u4e2a\u76ee\u6807\u5e8f\u53f7\uff08target\uff09\u548c\u4e00\u4e2a\u53ef\u9009\u7684\u4e0b\u4e00\u4e2a\u5e8f\u53f7\u6570\u7ec4\uff08next\uff09\u3002,\u5728loop\u51fd\u6570\u4e2d\uff0c\u534f\u7a0b\u5c06\u963b\u585e\u7b49\u5f85\u4e00\u4e2a\u7279\u5b9a\u7684\u5e8f\u53f7\uff08target\uff09\u4ece\u63a7\u5236channel\u63a5\u6536\u3002\u5f53\u63a5\u6536\u5230\u6b63\u786e\u7684\u5e8f\u53f7\u540e\uff0c\u534f\u7a0b\u5c06\u6267\u884c\u6307\u5b9a\u7684\u51fd\u6570\uff08f\uff09\u3002\u5982\u679c\u63d0\u4f9b\u4e86\u4e0b\u4e00\u4e2a\u5e8f\u53f7\uff0cloop\u51fd\u6570\u5c06\u8be5\u5e8f\u53f7\u53d1\u9001\u56de\u63a7\u5236channel\u3002,\u901a\u8fc7\u4f7f\u7528loop\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u534f\u7a0b\u6309\u7167\u6211\u4eec\u6307\u5b9a\u7684\u987a\u5e8f\u6267\u884c\uff0c\u5373\u4f7f\u534f\u7a0b\u88ab\u6253\u4e71\u6216\u4f11\u7720\u3002,\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528\u5355\u4e2aChannel\u5b9e\u73b0\u591a\u4e2aGoroutine\u7684\u987a\u5e8f\u6267\u884c\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01,\u5982\u4f55\u7528\u4e00\u4e2achannel\u5b9e\u73b0\u591a\u4e2agoroutine\u987a\u5e8f\u6267\u884c\uff1f,IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u5982\u4f55\u4f7f\u7528\u5355\u4e2aChannel\u5b9e\u73b0\u591a\u4e2aGoroutine\u7684\u987a\u5e8f\u6267\u884c\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\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>\u5982\u4f55\u4f7f\u7528\u5355\u4e2aChannel\u5b9e\u73b0\u591a\u4e2aGoroutine\u7684\u987a\u5e8f\u6267\u884c\uff1f<\/span><\/p>\n<h1>\u5982\u4f55\u4f7f\u7528\u5355\u4e2aChannel\u5b9e\u73b0\u591a\u4e2aGoroutine\u7684\u987a\u5e8f\u6267\u884c\uff1f<\/h1>\n<p><span>2024-11-08 13:06:51<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u5982\u4f55\u4f7f\u7528\u5355\u4e2aChannel\u5b9e\u73b0\u591a\u4e2aGoroutine\u7684\u987a\u5e8f\u6267\u884c\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241108\/1731042395672d9c5bb3339.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u7528\u4e00\u4e2achannel\u5b9e\u73b0\u591a\u4e2agoroutine\u987a\u5e8f\u6267\u884c\uff1f<\/strong><\/p>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u591a\u4e2agoroutine\u6309\u7167\u7279\u5b9a\u7684\u987a\u5e8f\u6267\u884c\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u4f7f\u7528\u5355\u4e2achannel\u53ef\u4ee5\u5b9e\u73b0\u6b64\u76ee\u7684\u3002<\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>package main\n\nimport (\n    \"fmt\"\n    \"time\"\n)\n\nfunc main() {\n    channelshunxu()\n}\n\nfunc channelshunxu() {\n    ch1 := make(chan int)\n\n    go printhello1(ch1)\n    go printspace1(ch1)\n    go printworld1(ch1)\n    go println1(ch1)\n\n    time.sleep(1 * time.second)\n}\n\nfunc printhello1(ch1 chan int) {\n    fmt.print(\"hello\")\n    ch1 &amp;lt;- 1\n}\n\nfunc printspace1(ch1 chan int) {\n    &amp;lt;-ch1\n    fmt.print(\" \")\n    &amp;lt;- ch1\n}\n\nfunc printworld1(ch1 chan int) {\n    fmt.print(\"world\")\n    ch1 &amp;lt;- 1\n}\n\nfunc println1(ch1 chan int) {\n    &amp;lt;-ch1\n    fmt.println(\"\")\n}<\/pre>\n<p>\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u56db\u4e2a\u534f\u7a0b\u4f7f\u7528\u540c\u4e00\u4e2achannel\u8fdb\u884c\u901a\u4fe1\u3002\u6bcf\u4e2a\u534f\u7a0b\u5728\u6267\u884c\u81ea\u5df1\u7684\u4efb\u52a1\uff08\u6253\u5370\u7279\u5b9a\u5355\u8bcd\u6216\u6362\u884c\u7b26\uff09\u540e\uff0c\u90fd\u4f1a\u5411channel\u53d1\u9001\u4e00\u4e2a\u503c\u4ee5\u901a\u77e5\u4e0b\u4e00\u4e2a\u534f\u7a0b\u6267\u884c\u3002<\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u4e3b\u8981\u95ee\u9898\u662f\uff0c\u5982\u679c\u534f\u7a0b\u7684\u6267\u884c\u987a\u5e8f\u6253\u4e71\uff0c\u4f1a\u5bfc\u81f4\u8f93\u51fa\u7ed3\u679c\u4e0d\u6b63\u786e\u3002\u4f8b\u5982\uff0c\u5982\u679cprintspace1()\u534f\u7a0b\u5728printhello1()\u534f\u7a0b\u4e4b\u524d\u6267\u884c\uff0c\u5219\u8f93\u51fa\u5c06\u662f&#8221; hello world &#8220;\u800c\u4e0d\u662f&#8221; hello world &#8220;\u3002<\/p>\n<p>\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u5efa\u8bae\u65b9\u6848\u662f\u4f7f\u7528\u4e00\u4e2a\u63a7\u5236\u6027channel\u6765\u4f20\u64ad\u4e00\u4e2a\u5e8f\u53f7\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u503c\u6765\u5524\u9192\u4e0b\u4e00\u4e2a\u534f\u7a0b\u3002<\/p>\n<p>\u4ee5\u4e0b\u6539\u8fdb\u540e\u7684\u4ee3\u7801\uff1a<\/p>\n<pre>package main\n\nimport (\n    \"fmt\"\n    \"time\"\n)\n\nfunc main() {\n    channelShunxu()\n}\n\nfunc channelShunxu() {\n    ch1 := make(chan int)\n\n    \/\/ \u5c31\u7b97\u6253\u4e71\u3001\u4f11\u7720\u4e5f\u65e0\u6240\u8c13\n    go printHello1(ch1)\n    go printSpace1(ch1)\n    go printWorld1(ch1)\n    go printLn1(ch1)\n\n    time.Sleep(1 * time.Second)\n}\n\nfunc printHello1(ch1 chan int) {\n    fmt.Print(\"hello\")\n    ch1 &amp;lt;- 1\n}\n\nfunc printSpace1(ch1 chan int) {\n    Loop(ch1, func() {\n        fmt.Print(\" \")\n    }, 1, 2)\n}\n\nfunc printWorld1(ch1 chan int) {\n    Loop(ch1, func() {\n        fmt.Print(\"world\")\n    }, 2, 3)\n}\n\nfunc printLn1(ch1 chan int) {\n    Loop(ch1, func() {\n        fmt.Println(\"\")\n    }, 3)\n}\n\n\/\/ Loop\u51fd\u6570\u7528\u4e8e\u63a7\u5236\u534f\u7a0b\u6267\u884c\u987a\u5e8f\nfunc Loop(ch chan int, f func(), target int, next ...int) {\n    for {\n        select {\n        case i := &amp;lt;-ch:\n            if i == target {\n                f()\n                if len(next) &amp;gt; 0 {\n                    ch &amp;lt;- next[0]\n                }\n                return\n            }\n            \/\/ \u8fd8\u56de\u53bb\n            ch &amp;lt;- i\n        }\n    }\n}<\/pre>\n<p>loop\u51fd\u6570\u8d1f\u8d23\u786e\u4fdd\u534f\u7a0b\u6309\u7167\u6307\u5b9a\u7684\u987a\u5e8f\u6267\u884c\u3002\u5b83\u63a5\u6536\u4e00\u4e2a\u63a7\u5236channel\u3001\u4e00\u4e2a\u8981\u6267\u884c\u7684\u51fd\u6570\uff08f\uff09\u3001\u4e00\u4e2a\u76ee\u6807\u5e8f\u53f7\uff08target\uff09\u548c\u4e00\u4e2a\u53ef\u9009\u7684\u4e0b\u4e00\u4e2a\u5e8f\u53f7\u6570\u7ec4\uff08next\uff09\u3002<\/p>\n<p>\u5728loop\u51fd\u6570\u4e2d\uff0c\u534f\u7a0b\u5c06\u963b\u585e\u7b49\u5f85\u4e00\u4e2a\u7279\u5b9a\u7684\u5e8f\u53f7\uff08target\uff09\u4ece\u63a7\u5236channel\u63a5\u6536\u3002\u5f53\u63a5\u6536\u5230\u6b63\u786e\u7684\u5e8f\u53f7\u540e\uff0c\u534f\u7a0b\u5c06\u6267\u884c\u6307\u5b9a\u7684\u51fd\u6570\uff08f\uff09\u3002\u5982\u679c\u63d0\u4f9b\u4e86\u4e0b\u4e00\u4e2a\u5e8f\u53f7\uff0cloop\u51fd\u6570\u5c06\u8be5\u5e8f\u53f7\u53d1\u9001\u56de\u63a7\u5236channel\u3002<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528loop\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u534f\u7a0b\u6309\u7167\u6211\u4eec\u6307\u5b9a\u7684\u987a\u5e8f\u6267\u884c\uff0c\u5373\u4f7f\u534f\u7a0b\u88ab\u6253\u4e71\u6216\u4f11\u7720\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528\u5355\u4e2aChannel\u5b9e\u73b0\u591a\u4e2aGoroutine\u7684\u987a\u5e8f\u6267\u884c\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n<dl>\n<dt>\n 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