{"id":304395,"date":"2024-05-20T19:21:39","date_gmt":"2024-05-20T11:21:39","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/304395.html"},"modified":"2024-05-20T19:21:59","modified_gmt":"2024-05-20T11:21:59","slug":"golang-%e5%a6%82%e4%bd%95%e4%bb%8e-channel-%e8%af%bb%e6%95%b0%e6%8d%ae%e7%9a%84%e5%90%84%e7%a7%8d%e6%83%85%e5%86%b5","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/304395.html","title":{"rendered":"golang \u5982\u4f55\u4ece channel \u8bfb\u6570\u636e\u7684\u5404\u79cd\u60c5\u51b5"},"content":{"rendered":"

\"golang<\/p>\n

\u5728 Golang \u4e2d\uff0c\u4ece channel \u8bfb\u6570\u636e\u662f\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e38\u89c1\u64cd\u4f5c\uff0c\u5b83\u80fd\u591f\u5728\u534f\u7a0b\u95f4\u5b89\u5168\u5730\u4f20\u9012\u6d88\u606f\u3002\u8bfb\u53d6 channel \u7684\u65b9\u6cd5\u4e3b\u8981\u6709\u76f4\u63a5\u8bfb\u53d6\u3001\u4f7f\u7528 for \u5faa\u73af\u8bfb\u53d6\u3001\u901a\u8fc7 select \u8bed\u53e5\u8bfb\u53d6\u3001\u4ee5\u53ca\u5229\u7528 ok-idiom \u68c0\u67e5 channel \u662f\u5426\u5173\u95ed<\/strong>\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u9002\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879\uff0c\u4f46\u4f7f\u7528 select \u8bed\u53e5\u8bfb\u53d6<\/strong>\u662f\u7279\u522b\u503c\u5f97\u8be6\u7ec6\u8bf4\u660e\u7684\uff0c\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u4ece channel \u8bfb\u53d6\u6570\u636e\uff0c\u8fd8\u80fd\u5904\u7406\u591a\u4e2a channel \u7684\u540c\u65f6\u8bfb\u5199\u64cd\u4f5c\uff0c\u6781\u5927\u5730\u589e\u52a0\u4e86\u5e76\u53d1\u7a0b\u5e8f\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u76f4\u63a5\u8bfb\u53d6<\/h3>\n<\/p>\n

\u76f4\u63a5\u4ece channel \u8bfb\u53d6\u662f\u6700\u57fa\u672c\u7684\u65b9\u6cd5\u3002\u5f53\u6570\u636e\u53ef\u7528\u65f6\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4f1a\u4ece channel \u4e2d\u8bfb\u53d6\u6570\u636e\uff1b\u5982\u679c channel \u4e2d\u65e0\u6570\u636e\uff0c\u5219\u4f1a\u963b\u585e\u76f4\u5230\u6709\u6570\u636e\u53ef\u8bfb\u3002<\/p>\n<\/p>\n

    \n
  • \u4f7f\u7528\u76f4\u63a5\u8bfb\u53d6\u65f6\uff0c\u4ee3\u7801\u7b80\u6d01\u660e\u4e86\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u573a\u666f\u3002<\/li>\n
  • \u5fc5\u987b\u610f\u8bc6\u5230\uff0c\u5982\u679c channel \u6c38\u8fdc\u6ca1\u6709\u6570\u636e\u5199\u5165\uff0c\u90a3\u4e48\u8bfb\u64cd\u4f5c\u5c06\u6c38\u8fdc\u963b\u585e\uff0c\u53ef\u80fd\u5bfc\u81f4\u534f\u7a0b\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n

    \u4e8c\u3001\u4f7f\u7528 FOR \u5faa\u73af\u8bfb\u53d6<\/h3>\n<\/p>\n

    \u5faa\u73af\u8bfb\u53d6\u53ef\u4ee5\u6301\u7eed\u4ece channel \u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u76f4\u5230 channel \u88ab\u5173\u95ed\u3002\u8fd9\u662f\u5904\u7406 channel \u6570\u636e\u6d41\u7684\u5e38\u89c1\u6a21\u5f0f\u3002<\/p>\n<\/p>\n

      \n
    • \u5728\u6b64\u6a21\u5f0f\u4e0b\uff0c\u53ef\u4ee5\u6709\u6548\u5904\u7406\u52a8\u6001\u6570\u91cf\u7684\u6570\u636e\uff0c\u9002\u7528\u4e8e\u6570\u636e\u91cf\u672a\u77e5\u7684\u573a\u666f\u3002<\/li>\n
    • \u91cd\u8981\u7684\u662f\u8981\u786e\u4fdd\u6700\u7ec8\u5173\u95ed channel\uff0c\u5426\u5219\u53ef\u80fd\u5bfc\u81f4\u5faa\u73af\u65e0\u6cd5\u9000\u51fa\uff0c\u5f15\u53d1\u5185\u5b58\u6cc4\u9732\u7b49\u95ee\u9898\u3002<\/li>\n<\/ul>\n

      \u4e09\u3001\u901a\u8fc7 SELECT \u8bed\u53e5\u8bfb\u53d6<\/h3>\n<\/p>\n

      select \u8bed\u53e5\u53ef\u4ee5\u540c\u65f6\u76d1\u542c\u591a\u4e2a channel \u7684\u8bfb\u5199\u4e8b\u4ef6\uff0c\u4f7f\u5f97\u7a0b\u5e8f\u80fd\u591f\u5904\u7406\u591a\u4e2a\u5e76\u53d1\u64cd\u4f5c\u3002\u5f53\u591a\u4e2a case \u540c\u65f6\u5c31\u7eea\u65f6\uff0cselect \u4f1a\u968f\u673a\u9009\u62e9\u4e00\u4e2a\u6267\u884c\u3002<\/p>\n<\/p>\n

        \n
      • \u901a\u8fc7 select \u8bfb\u53d6 channel \u6570\u636e<\/strong>\u65f6\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a case \u4e2d\u5904\u7406\u8bfb\u64cd\u4f5c\uff0c\u800c\u5728\u53e6\u4e00\u4e2a case \u4e2d\u5904\u7406\u8d85\u65f6\u60c5\u51b5\uff0c\u589e\u52a0\u4e86\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u3002<\/li>\n
      • select \u4e0d\u4ec5\u80fd\u5904\u7406\u8bfb\u64cd\u4f5c\uff0c\u8fd8\u80fd\u5904\u7406\u5199\u64cd\u4f5c\uff0c\u4f7f\u5f97\u5728\u590d\u6742\u7684\u5e76\u53d1\u573a\u666f\u4e2d\uff0c\u4ee3\u7801\u903b\u8f91\u66f4\u52a0\u6e05\u6670\u6613\u61c2\u3002<\/li>\n<\/ul>\n

        \u56db\u3001\u5229\u7528 OK-IDIOM \u68c0\u67e5 CHANNEL \u662f\u5426\u5173\u95ed<\/h3>\n<\/p>\n

        \u5f53\u4ece channel \u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u989d\u5916\u7684\u8fd4\u56de\u503c\u6765\u68c0\u67e5 channel \u662f\u5426\u5df2\u7ecf\u5173\u95ed\u3002\u8fd9\u79cd\u65b9\u6cd5\u7279\u522b\u9002\u5408\u9700\u8981\u4f18\u96c5\u5904\u7406\u5173\u95ed\u901a\u77e5\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n

          \n
        • \u4f7f\u7528 ok-idiom \u4e0d\u4ec5\u80fd\u77e5\u9053\u662f\u5426\u4ece channel \u6210\u529f\u8bfb\u53d6\u5230\u6570\u636e\uff0c\u8fd8\u80fd\u77e5\u9053 channel \u662f\u5426\u5173\u95ed\u3002<\/li>\n
        • \u5728 channel \u5173\u95ed\u540e\uff0c\u8bfb\u64cd\u4f5c\u4f1a\u7acb\u5373\u8fd4\u56de\u4e00\u4e2a\u96f6\u503c\uff0c\u4f46\u4e0d\u4f1a\u963b\u585e\u3002\u5229\u7528\u8fd9\u4e00\u7279\u6027\uff0c\u53ef\u4ee5\u5728 channel \u5173\u95ed\u540e\u4f18\u96c5\u5730\u7ed3\u675f\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

          \u4e94\u3001\u7ed3\u5408 TIMEOUT \u7684\u8bfb\u53d6\u7b56\u7565<\/h3>\n<\/p>\n

          \u5728\u67d0\u4e9b\u573a\u666f\u4e0b\uff0c\u5bf9\u4e8e\u4ece channel \u8bfb\u53d6\u6570\u636e\uff0c\u53ef\u80fd\u9700\u8981\u8bbe\u7f6e\u8d85\u65f6\u673a\u5236\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7 select \u8bed\u53e5\u548c time.After \u51fd\u6570\u5b9e\u73b0\u3002<\/p>\n<\/p>\n

            \n
          • \u8fd9\u79cd\u65b9\u5f0f\u975e\u5e38\u9002\u5408\u9700\u8981\u5bf9\u8bfb\u64cd\u4f5c\u65f6\u95f4\u654f\u611f\u7684\u5e94\u7528\u3002<\/li>\n
          • \u5b83\u53ef\u4ee5\u9632\u6b62\u7a0b\u5e8f\u5728\u7b49\u5f85 channel \u8bfb\u53d6\u65f6\u65e0\u9650\u671f\u5730\u963b\u585e\uff0c\u63d0\u9ad8\u4e86\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n

            \u5728\u8fdb\u884c\u5e76\u53d1\u7f16\u7a0b\u65f6\uff0c\u5408\u7406\u9009\u62e9\u4ece channel \u8bfb\u53d6\u6570\u636e\u7684\u65b9\u5f0f\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6548\u3001\u6613\u4e8e\u7ef4\u62a4\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002\u5404\u79cd\u8bfb\u53d6\u6570\u636e\u7684\u65b9\u6cd5\u53ca\u5176\u9002\u7528\u573a\u666f\u7684\u7406\u89e3\uff0c\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u5229\u7528 Golang \u7684\u5e76\u53d1\u7279\u6027\uff0c\u7f16\u5199\u51fa\u9ad8\u8d28\u91cf\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n

            \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

            1. \u5982\u4f55\u5728Golang\u4e2d\u4ecechannel\u8bfb\u53d6\u6570\u636e\uff1f<\/strong>
            \n\u5728Golang\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<-<\/code>\u64cd\u4f5c\u7b26\u4ecechannel\u4e2d\u8bfb\u53d6\u6570\u636e\u3002 \u5f53\u4f7f\u7528<-<\/code>\u64cd\u4f5c\u7b26\u4ecechannel\u4e2d\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u5982\u679cchannel\u4e2d\u6709\u6570\u636e\u53ef\u7528\uff0c\u64cd\u4f5c\u7b26\u4f1a\u8fd4\u56de\u53ef\u7528\u7684\u6570\u636e\uff0c\u5e76\u5c06channel\u7f6e\u4e3a\u7a7a\uff0c\u5426\u5219\u64cd\u4f5c\u4f1a\u88ab\u963b\u585e\u76f4\u5230\u6709\u6570\u636e\u53ef\u7528\u3002<\/p>\n

            2. \u5982\u4f55\u5904\u7406\u4ecechannel\u8bfb\u53d6\u6570\u636e\u65f6\u7684\u5404\u79cd\u60c5\u51b5\uff1f<\/strong>
            \n\u5904\u7406\u4ecechannel\u8bfb\u53d6\u6570\u636e\u7684\u5404\u79cd\u60c5\u51b5\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528select<\/code>\u8bed\u53e5\u6765\u5b9e\u73b0\u3002select<\/code>\u8bed\u53e5\u53ef\u4ee5\u76d1\u542c\u591a\u4e2achannel\u7684\u6570\u636e\u6d41\u52a8\uff0c\u5e76\u4e14\u9009\u62e9\u53ef\u7528\u7684channel\u6765\u5904\u7406\u3002\u901a\u8fc7\u5728select<\/code>\u8bed\u53e5\u4e2d\u4f7f\u7528case<\/code>\u8bed\u53e5\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e0d\u540c\u7684\u5904\u7406\u5206\u652f\u6765\u5904\u7406\u5404\u79cd\u60c5\u51b5\uff0c\u6bd4\u5982\u6709\u6570\u636e\u53ef\u8bfb\u3001channel\u5173\u95ed\u7b49\u60c5\u51b5\u3002<\/p>\n

            3. \u5982\u4f55\u907f\u514d\u4ecechannel\u8bfb\u53d6\u6570\u636e\u65f6\u7684\u963b\u585e\uff1f<\/strong>
            \n\u4e3a\u4e86\u907f\u514d\u4ecechannel\u8bfb\u53d6\u6570\u636e\u65f6\u7684\u963b\u585e\uff0c\u53ef\u4ee5\u4f7f\u7528default<\/code>\u8bed\u53e5\u6765\u5904\u7406\u65e0\u6570\u636e\u53ef\u8bfb\u7684\u60c5\u51b5\u3002\u5728select<\/code>\u8bed\u53e5\u4e2d\u6dfb\u52a0\u4e00\u4e2adefault<\/code>\u5206\u652f\uff0c\u5f53\u6ca1\u6709\u5176\u4ed6\u7684case<\/code>\u5206\u652f\u6ee1\u8db3\u6761\u4ef6\u65f6\uff0c\u5c31\u4f1a\u6267\u884cdefault<\/code>\u5206\u652f\u4ee3\u7801\u3002\u901a\u8fc7\u4f7f\u7528default<\/code>\u8bed\u53e5\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u4ecechannel\u8bfb\u53d6\u6570\u636e\u65f6\u51fa\u73b0\u65e0\u9650\u963b\u585e\u7684\u60c5\u51b5\uff0c\u5e76\u4e14\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u7684\u903b\u8f91\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728 Golang \u4e2d\uff0c\u4ece channel \u8bfb\u6570\u636e\u662f\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e38\u89c1\u64cd\u4f5c\uff0c\u5b83\u80fd\u591f\u5728\u534f\u7a0b\u95f4\u5b89\u5168\u5730\u4f20\u9012\u6d88\u606f\u3002\u8bfb\u53d6 c […]","protected":false},"author":3,"featured_media":304422,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/304395"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=304395"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/304395\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/304422"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=304395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=304395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=304395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}