{"id":205636,"date":"2025-06-12T09:03:15","date_gmt":"2025-06-12T01:03:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205636\/"},"modified":"2025-06-12T09:03:15","modified_gmt":"2025-06-12T01:03:15","slug":"golang-%e5%87%bd%e6%95%b0%e8%b0%83%e7%94%a8%e7%9a%84%e5%bc%82%e6%ad%a5%e8%b0%83%e7%94%a8%e6%98%af%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205636\/","title":{"rendered":"Golang \u51fd\u6570\u8c03\u7528\u7684\u5f02\u6b65\u8c03\u7528\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f"},"content":{"rendered":"<p>\u5c0f\u4f19\u4f34\u4eec\u5bf9GOLANG\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aGOLANG \u51fd\u6570\u8c03\u7528\u7684\u5f02\u6b65\u8c03\u7528\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01,Go\u8bed\u8a00\u4e2d\u7684\u5f02\u6b65\u51fd\u6570\u8c03\u7528\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\uff1a\u521b\u5efa\u4e00\u4e2a\u901a\u9053\uff08channel\uff09\u6765\u63a5\u6536\u51fd\u6570\u7684\u8fd4\u56de\u7ed3\u679c\u3002\u542f\u52a8\u4e00\u4e2a\u534f\u7a0b\u5e76\u5f02\u6b65\u6267\u884c\u51fd\u6570\uff0c\u5c06\u7ed3\u679c\u5199\u5165\u901a\u9053\u3002\u4e3b\u7ebf\u7a0b\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002\u4ece\u901a\u9053\u4e2d\u63a5\u6536\u534f\u7a0b\u7684\u8fd4\u56de\u7ed3\u679c\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729935448671cb858a4cba.jpg\" class=\"aligncenter\">,<br \/>\n<strong>Go \u8bed\u8a00\u4e2d\u7684\u5f02\u6b65\u51fd\u6570\u8c03\u7528<\/strong>,\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u5f02\u6b65\u8c03\u7528\u5141\u8bb8\u5e76\u53d1\u6267\u884c\u51fd\u6570\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u6bb5\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5b9e\u73b0\u5f02\u6b65\u51fd\u6570\u8c03\u7528\uff1a,\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff1a,<br \/>\n<strong>\u6ce8\u610f\uff1a<\/strong>\u5f02\u6b65\u6267\u884c\u51fd\u6570\u5e76\u4e0d\u4f1a\u81ea\u52a8\u5e76\u884c\u6267\u884c\u5b83\u4eec\u3002\u8fd9\u53d6\u51b3\u4e8e\u4f60\u4f7f\u7528\u7684\u5e95\u5c42\u57fa\u7840\u8bbe\u65bd (\u4f8b\u5982\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u7a0b\u5e8f) \u662f\u5426\u652f\u6301\u5e76\u884c\u6267\u884c\u3002,\u4eca\u5929\u5173\u4e8e\u300aGOLANG \u51fd\u6570\u8c03\u7528\u7684\u5f02\u6b65\u8c03\u7528\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f\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\u4e8egolang,\u5f02\u6b65\u8c03\u7528\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,<br \/>\n<code>go func() {}()<\/code> \u542f\u52a8\u4e86\u4e00\u4e2a\u534f\u7a0b\uff0c\u5e76\u5728\u5176\u4e2d\u6267\u884c<br \/>\n<code>longRunningFunc<\/code>\uff0c\u8be5\u534f\u7a0b\u5c06\u8fd4\u56de\u7ed3\u679c\u5199\u5230\u6211\u4eec\u521b\u5efa\u7684<br \/>\n<code>channel<\/code> \u4e2d\u3002,<br \/>\n<code>make(chan int)<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a<br \/>\n<code>channel<\/code>\uff0c\u5b83\u662f\u4e00\u4e2a\u540c\u6b65\u901a\u4fe1\u673a\u5236\uff0c\u5141\u8bb8\u534f\u7a0b\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u3002,\u4e3b\u7ebf\u7a0b\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1\uff0c\u540c\u65f6\u6211\u4eec\u7684\u534f\u7a0b\u5728\u540e\u53f0\u8fd0\u884c\u3002,\u5c0f\u4f19\u4f34\u4eec\u5bf9GOLANG\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aGOLANG \u51fd\u6570\u8c03\u7528\u7684\u5f02\u6b65\u8c03\u7528\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\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\u8c03\u7528\u7684\u5f02\u6b65\u8c03\u7528\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/span><\/p>\n<h1>GOLANG \u51fd\u6570\u8c03\u7528\u7684\u5f02\u6b65\u8c03\u7528\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/h1>\n<p><span>2024-10-26 17:37:43<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5c0f\u4f19\u4f34\u4eec\u5bf9GOLANG\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aGOLANG \u51fd\u6570\u8c03\u7528\u7684\u5f02\u6b65\u8c03\u7528\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p>Go\u8bed\u8a00\u4e2d\u7684\u5f02\u6b65\u51fd\u6570\u8c03\u7528\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\uff1a\u521b\u5efa\u4e00\u4e2a\u901a\u9053\uff08channel\uff09\u6765\u63a5\u6536\u51fd\u6570\u7684\u8fd4\u56de\u7ed3\u679c\u3002\u542f\u52a8\u4e00\u4e2a\u534f\u7a0b\u5e76\u5f02\u6b65\u6267\u884c\u51fd\u6570\uff0c\u5c06\u7ed3\u679c\u5199\u5165\u901a\u9053\u3002\u4e3b\u7ebf\u7a0b\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002\u4ece\u901a\u9053\u4e2d\u63a5\u6536\u534f\u7a0b\u7684\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729935448671cb858a4cba.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Go \u8bed\u8a00\u4e2d\u7684\u5f02\u6b65\u51fd\u6570\u8c03\u7528<\/strong><\/p>\n<p>\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u5f02\u6b65\u8c03\u7528\u5141\u8bb8\u5e76\u53d1\u6267\u884c\u51fd\u6570\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u6bb5\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5b9e\u73b0\u5f02\u6b65\u51fd\u6570\u8c03\u7528\uff1a<\/p>\n<pre>package main\n\nimport (\n    \"fmt\"\n    \"time\"\n)\n\nfunc main() {\n    \/\/ \u521b\u5efa\u4e00\u4e2a `channel` \u6765\u63a5\u6536\u51fd\u6570\u7684\u8fd4\u56de\u7ed3\u679c\n    ch := make(chan int)\n\n    \/\/ \u542f\u52a8\u534f\u7a0b\u5e76\u5f02\u6b65\u6267\u884c`longRunningFunc`\n    go func() {\n        result := longRunningFunc()\n        ch &lt;- result\n    }()\n\n    \/\/ \u4e3b\u7ebf\u7a0b\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1\n    time.Sleep(1 * time.Second)\n    fmt.Println(\"\u5176\u4ed6\u4efb\u52a1\u5df2\u5b8c\u6210\")\n\n    \/\/ \u4ece `channel` \u4e2d\u63a5\u6536\u51fd\u6570\u7684\u8fd4\u56de\u7ed3\u679c\n    result := &lt;-ch\n    fmt.Printf(\"\u5f02\u6b65\u51fd\u6570\u7684\u7ed3\u679c: %d\\n\", result)\n}\n\n\/\/ `longRunningFunc` \u6a21\u62df\u4e00\u4e2a\u6267\u884c\u65f6\u95f4\u8f83\u957f\u7684\u51fd\u6570\nfunc longRunningFunc() int {\n    time.Sleep(5 * time.Second)\n    return 42\n}<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff1a<\/p>\n<ul>\n<li><code>make(chan int)<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a <code>channel<\/code>\uff0c\u5b83\u662f\u4e00\u4e2a\u540c\u6b65\u901a\u4fe1\u673a\u5236\uff0c\u5141\u8bb8\u534f\u7a0b\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u3002<\/li>\n<li><code>go func() {}()<\/code> \u542f\u52a8\u4e86\u4e00\u4e2a\u534f\u7a0b\uff0c\u5e76\u5728\u5176\u4e2d\u6267\u884c <code>longRunningFunc<\/code>\uff0c\u8be5\u534f\u7a0b\u5c06\u8fd4\u56de\u7ed3\u679c\u5199\u5230\u6211\u4eec\u521b\u5efa\u7684 <code>channel<\/code> \u4e2d\u3002<\/li>\n<li>\u4e3b\u7ebf\u7a0b\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1\uff0c\u540c\u65f6\u6211\u4eec\u7684\u534f\u7a0b\u5728\u540e\u53f0\u8fd0\u884c\u3002<\/li>\n<li>\u901a\u8fc7 <code>&lt;-ch<\/code> \u4ece <code>channel<\/code> \u4e2d\u63a5\u6536\u534f\u7a0b\u7684\u8fd4\u56de\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong>\u5f02\u6b65\u6267\u884c\u51fd\u6570\u5e76\u4e0d\u4f1a\u81ea\u52a8\u5e76\u884c\u6267\u884c\u5b83\u4eec\u3002\u8fd9\u53d6\u51b3\u4e8e\u4f60\u4f7f\u7528\u7684\u5e95\u5c42\u57fa\u7840\u8bbe\u65bd (\u4f8b\u5982\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u7a0b\u5e8f) \u662f\u5426\u652f\u6301\u5e76\u884c\u6267\u884c\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aGOLANG \u51fd\u6570\u8c03\u7528\u7684\u5f02\u6b65\u8c03\u7528\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f\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\u4e8egolang,\u5f02\u6b65\u8c03\u7528\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u7535\u89c6\u6709\u7ebf\u7f51\u7edc\u8fde\u4e0d\u4e0a\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528 lambda \u8868\u8fbe\u5f0f\u5904\u7406\u5f02\u5e38\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0f\u4f19\u4f34\u4eec\u5bf9GOLANG\u7f16\u7a0b\u611f\u5174\u8da3&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205636","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205636"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205636\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}