{"id":206772,"date":"2025-06-12T13:51:55","date_gmt":"2025-06-12T05:51:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206772\/"},"modified":"2025-06-12T13:51:55","modified_gmt":"2025-06-12T05:51:55","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e4%bd%bf%e7%94%a8%e9%94%81%e5%90%8e%ef%bc%8c%e4%bb%a3%e7%a0%81%e5%81%b6%e5%b0%94%e8%bf%98%e4%bc%9a%e6%8a%a5-send-on-closed-channel-%e7%9a%84-panic","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206772\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u4f7f\u7528\u9501\u540e\uff0c\u4ee3\u7801\u5076\u5c14\u8fd8\u4f1a\u62a5 \u201csend on closed channel\u201d \u7684 panic \u9519\u8bef\uff1f"},"content":{"rendered":"

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9
\nGOLANG<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd
\nGOLANG<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587
\n\u300a\u4e3a\u4ec0\u4e48\u4f7f\u7528\u9501\u540e\uff0c\u4ee3\u7801\u5076\u5c14\u8fd8\u4f1a\u62a5 \u201csend on closed channel\u201d \u7684 panic \u9519\u8bef\uff1f\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~,
\n,
\n\u4e3a\u4ec0\u4e48\u5373\u4f7f\u52a0\u4e86\u9501\uff0c\u4ee3\u7801\u8fd8\u662f\u5076\u5c14\u4f1a\u62a5 panic<\/strong>,\u5728\u7ed9\u51fa\u7684\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u9501\u6765\u4fdd\u62a4\u5bf9 channel \u7684\u5173\u95ed\u64cd\u4f5c\uff0c\u4ee5\u9632\u6b62\u5bf9\u5df2\u5173\u95ed\u7684 channel \u8fdb\u884c\u5199\u5165\u3002\u7136\u800c\uff0c\u5076\u5c14\u4ecd\u7136\u4f1a\u9047\u5230 “send on closed channel” \u7684 panic \u9519\u8bef\u3002,\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u7684\u539f\u56e0\u662f Go \u8bed\u8a00\u4e2d select \u8bed\u53e5\u7684\u884c\u4e3a\u3002\u6839\u636e Go \u89c4\u8303\uff0c\u5f53\u591a\u4e2a\u901a\u4fe1\u64cd\u4f5c\u90fd\u53ef\u4ee5\u8fdb\u884c\u65f6\uff0cselect \u4f1a\u968f\u673a\u9009\u62e9\u4e00\u4e2a\u53ef\u884c\u7684\u901a\u4fe1\u64cd\u4f5c\u3002\u56e0\u6b64\uff0c\u5373\u4f7f channel \u5df2\u7ecf\u88ab\u5173\u95ed\uff0c\u53d1\u9001\u64cd\u4f5c\u4ecd\u7136\u6709\u53ef\u80fd\u5728\u5173\u95ed\u64cd\u4f5c\u4e4b\u524d\u88ab\u6267\u884c\u3002,\u8fd9\u4f1a\u5bfc\u81f4\u8fd0\u884c\u65f6 panic\uff0c\u56e0\u4e3a\u53d1\u9001\u5230\u5df2\u5173\u95ed channel \u7684\u64cd\u4f5c\u662f\u975e\u6cd5\u7684\u3002\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u91cd\u65b0\u8bbe\u8ba1\u4ee3\u7801\uff0c\u4ee5\u786e\u4fdd\u5728 channel \u88ab\u5173\u95ed\u4e4b\u524d\u4e0d\u4f1a\u518d\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\u3002\u4e00\u4e2a\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6848\u662f\u5728\u53d1\u9001\u4e4b\u524d\u68c0\u67e5 channel \u662f\u5426\u5df2\u5173\u95ed\uff0c\u5e76\u53ea\u5728 channel \u5904\u4e8e\u6253\u5f00\u72b6\u6001\u65f6\u8fdb\u884c\u53d1\u9001\u3002,\u4eca\u5929\u5173\u4e8e\u300a\u4e3a\u4ec0\u4e48\u4f7f\u7528\u9501\u540e\uff0c\u4ee3\u7801\u5076\u5c14\u8fd8\u4f1a\u62a5 \u201csend on closed channel\u201d \u7684 panic \u9519\u8bef\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,\u4e3a\u4ec0\u4e48\u5373\u4f7f\u52a0\u4e86\u9501\uff0c\u4ee3\u7801\u8fd8\u662f\u5076\u5c14\u4f1a\u62a5 panic,\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9
\nGOLANG<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd
\nGOLANG<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587
\n\u300a\u4e3a\u4ec0\u4e48\u4f7f\u7528\u9501\u540e\uff0c\u4ee3\u7801\u5076\u5c14\u8fd8\u4f1a\u62a5 \u201csend on closed channel\u201d \u7684 panic \u9519\u8bef\uff1f\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u4e3a\u4ec0\u4e48\u4f7f\u7528\u9501\u540e\uff0c\u4ee3\u7801\u5076\u5c14\u8fd8\u4f1a\u62a5 \u201csend on closed channel\u201d \u7684 panic \u9519\u8bef\uff1f<\/span><\/p>\n

\u4e3a\u4ec0\u4e48\u4f7f\u7528\u9501\u540e\uff0c\u4ee3\u7801\u5076\u5c14\u8fd8\u4f1a\u62a5 \u201csend on closed channel\u201d \u7684 panic \u9519\u8bef\uff1f<\/h1>\n

2024-11-22 20:01:04<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9GOLANG<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecdGOLANG<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300a\u4e3a\u4ec0\u4e48\u4f7f\u7528\u9501\u540e\uff0c\u4ee3\u7801\u5076\u5c14\u8fd8\u4f1a\u62a5 \u201csend on closed channel\u201d \u7684 panic \u9519\u8bef\uff1f\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n

<\/p>\n

\u4e3a\u4ec0\u4e48\u5373\u4f7f\u52a0\u4e86\u9501\uff0c\u4ee3\u7801\u8fd8\u662f\u5076\u5c14\u4f1a\u62a5 panic<\/strong><\/p>\n

\u5728\u7ed9\u51fa\u7684\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u9501\u6765\u4fdd\u62a4\u5bf9 channel \u7684\u5173\u95ed\u64cd\u4f5c\uff0c\u4ee5\u9632\u6b62\u5bf9\u5df2\u5173\u95ed\u7684 channel \u8fdb\u884c\u5199\u5165\u3002\u7136\u800c\uff0c\u5076\u5c14\u4ecd\u7136\u4f1a\u9047\u5230 “send on closed channel” \u7684 panic \u9519\u8bef\u3002<\/p>\n

\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u7684\u539f\u56e0\u662f Go \u8bed\u8a00\u4e2d select \u8bed\u53e5\u7684\u884c\u4e3a\u3002\u6839\u636e Go \u89c4\u8303\uff0c\u5f53\u591a\u4e2a\u901a\u4fe1\u64cd\u4f5c\u90fd\u53ef\u4ee5\u8fdb\u884c\u65f6\uff0cselect \u4f1a\u968f\u673a\u9009\u62e9\u4e00\u4e2a\u53ef\u884c\u7684\u901a\u4fe1\u64cd\u4f5c\u3002\u56e0\u6b64\uff0c\u5373\u4f7f channel \u5df2\u7ecf\u88ab\u5173\u95ed\uff0c\u53d1\u9001\u64cd\u4f5c\u4ecd\u7136\u6709\u53ef\u80fd\u5728\u5173\u95ed\u64cd\u4f5c\u4e4b\u524d\u88ab\u6267\u884c\u3002<\/p>\n

\u8fd9\u4f1a\u5bfc\u81f4\u8fd0\u884c\u65f6 panic\uff0c\u56e0\u4e3a\u53d1\u9001\u5230\u5df2\u5173\u95ed channel \u7684\u64cd\u4f5c\u662f\u975e\u6cd5\u7684\u3002\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u91cd\u65b0\u8bbe\u8ba1\u4ee3\u7801\uff0c\u4ee5\u786e\u4fdd\u5728 channel \u88ab\u5173\u95ed\u4e4b\u524d\u4e0d\u4f1a\u518d\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\u3002\u4e00\u4e2a\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6848\u662f\u5728\u53d1\u9001\u4e4b\u524d\u68c0\u67e5 channel \u662f\u5426\u5df2\u5173\u95ed\uff0c\u5e76\u53ea\u5728 channel \u5904\u4e8e\u6253\u5f00\u72b6\u6001\u65f6\u8fdb\u884c\u53d1\u9001\u3002<\/p>\n

\u4eca\u5929\u5173\u4e8e\u300a\u4e3a\u4ec0\u4e48\u4f7f\u7528\u9501\u540e\uff0c\u4ee3\u7801\u5076\u5c14\u8fd8\u4f1a\u62a5 \u201csend on closed channel\u201d \u7684 panic \u9519\u8bef\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

\n
\n <\/dt>\n
\n \u5982\u4f55\u8f7b\u677e\u4e0b\u8f7dB\u7ad9\u89c6\u9891\uff1a\u8be6\u7ec6\u6559\u7a0b\u53ca\u6ce8\u610f\u4e8b\u9879\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n VS Code \u5982\u4f55\u53d6\u6d88\u70b9\u51fb\u6587\u4ef6\u540e\u5f39\u51fa\u7f16\u8f91\u7a97\u53e3\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9 GOLA...<\/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-206772","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206772","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=206772"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206772\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}