{"id":207199,"date":"2025-07-08T08:28:24","date_gmt":"2025-07-08T00:28:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207199\/"},"modified":"2025-07-08T08:28:24","modified_gmt":"2025-07-08T00:28:24","slug":"%e5%ad%90%e4%be%8b%e7%a8%8b%e4%b8%ad%e7%9a%84-go-channel","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207199\/","title":{"rendered":"\u5b50\u4f8b\u7a0b\u4e2d\u7684 Go Channel"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5b50\u4f8b\u7a0b\u4e2d\u7684 Go Channel<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-20 19:30:35<\/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\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u5b50\u4f8b\u7a0b\u4e2d\u7684 Go Channel\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u5728 Go \u7f16\u7a0b\u4e2d\u521b\u5efa\u901a\u9053\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f\u4e3a\u4e86\u7ec4\u7ec7\u548c\u6e05\u6670\u8d77\u89c1\uff0c\u60a8\u662f\u5426\u5e94\u8be5\u5728\u4e3b\u4f8b\u7a0b\u4e2d\u521b\u5efa\u6240\u6709\u901a\u9053\uff1f <\/p>\n<p>\u6211\u5df2\u7ecf\u5ba1\u67e5\u4e86\u5728\u5b50\u4f8b\u7a0b\u4e2d\u521b\u5efa\u901a\u9053\u7684 go \u4ee3\u7801\u3002\u5f53\u8fd9\u4e9b\u901a\u9053\u5728\u5b50\u4f8b\u7a0b\u4e2d\u521b\u5efa\u65f6\uff0c\u4e3b\u4f8b\u7a0b\u662f\u5426\u53d7\u5230\u9650\u5236\uff1f<\/p>\n<p>\u8bf7\u6f84\u6e05\u4e00\u4e0b\u3002\u63d0\u524d\u81f4\u8c22\u3002<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u4efb\u4f55 goroutine \u90fd\u53ef\u4ee5\u4e0e\u5176\u8303\u56f4\u5185\u7684\u4efb\u4f55\u901a\u9053\u4ea4\u4e92\uff0c\u5c31\u50cf\u4efb\u4f55\u5176\u4ed6\u53d8\u91cf\u4e00\u6837\u3002\u9891\u9053\u5728\u54ea\u91cc\u521b\u5efa\u5e76\u4e0d\u91cd\u8981\u3002\u7136\u800c\uff0c\u91cd\u8981\u7684\u662f\u901a\u8fc7\u7ebf\u7a0b\u8fdb\u884c\u901a\u4fe1\u7684 goroutine \u90fd\u5177\u6709\u5bf9\u901a\u9053\u7684\u5f15\u7528\u3002<\/p>\n<p>\u201c\u5206\u53c9\u201d\u6216\u201c\u7236\u201d\u534f\u7a0b\u901a\u5e38\u521b\u5efa\u901a\u9053\u7684\u539f\u56e0\u662f\uff0c\u5982\u679c\u5b50\u534f\u7a0b\u521b\u5efa\u4e86\u901a\u9053\uff0c\u5b83\u5c06\u65e0\u6cd5\u4e0e\u7236\u534f\u7a0b\u5171\u4eab\u5b83\u3002\u8003\u8651\uff1a<\/p>\n<pre>go func(){\n  ch := make(chan int)\n}\n\/\/ how would we refer to `ch` out here?<\/pre>\n<p>\u8c01\u521b\u5efa\u9891\u9053\u5e76\u4e0d\u91cd\u8981\uff0c\u6ca1\u6709\u9891\u9053\u201c\u6240\u6709\u6743\u201d\u7684\u6982\u5ff5\u3002\u4f46\u662f\u5199\u5165\u901a\u9053\u7684 goroutine \u786e\u5b9e\u9700\u8981\u5f15\u7528\u5b83\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5b83\u662f\u5728\u201c\u7236\u201d\u7ebf\u7a0b\u4e2d\u521b\u5efa\u5e76\u4e0e goroutine \u4f20\u9012\u6216\u5171\u4eab\u7684\u539f\u56e0\u3002\u5426\u5219\uff0c\u7236\u7ea7\u5c06\u65e0\u6cd5\u4ece\u5b50\u7ea7\u83b7\u53d6\u901a\u9053\uff08\u60a8\u53ef\u4ee5\u5728\u901a\u9053\u4e2d\u4f20\u9012\u901a\u9053\uff0c\u4f46\u8fd9\u8bc1\u660e\u4e86\u8fd9\u4e00\u70b9\uff01\uff09<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5b50\u4f8b\u7a0b\u4e2d\u7684 Go Channel\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGolang\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#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-207199","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207199","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=207199"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207199\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}