{"id":206949,"date":"2025-07-08T08:03:55","date_gmt":"2025-07-08T00:03:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206949\/"},"modified":"2025-07-08T08:03:55","modified_gmt":"2025-07-08T00:03:55","slug":"%e5%9c%a8%e8%af%bb%e5%8f%96%e7%bc%93%e5%86%b2%e9%80%9a%e9%81%93%e4%b8%ad%e7%9a%84%e5%86%85%e5%ae%b9%e4%b9%8b%e5%89%8d%e9%80%80%e5%87%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206949\/","title":{"rendered":"\u5728\u8bfb\u53d6\u7f13\u51b2\u901a\u9053\u4e2d\u7684\u5185\u5bb9\u4e4b\u524d\u9000\u51fa"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5728\u8bfb\u53d6\u7f13\u51b2\u901a\u9053\u4e2d\u7684\u5185\u5bb9\u4e4b\u524d\u9000\u51fa<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-05-02 09:09:34<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

Golang<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5728\u8bfb\u53d6\u7f13\u51b2\u901a\u9053\u4e2d\u7684\u5185\u5bb9\u4e4b\u524d\u9000\u51fa\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u7f16\u5199\u4e00\u4e2a\u9700\u8981\u5c3d\u5feb\u8fd0\u884c\u548c\u5b8c\u6210\u7684\u51fd\u6570\u3002<\/p>\n

\u5b83\u9700\u8981\u8fdb\u884c 3 \u4e2a REST \u8c03\u7528\uff0c\u5982\u679c\u5176\u4e2d\u4efb\u4f55\u4e00\u4e2a\u8c03\u7528\u8fd4\u56de\u9519\u8bef\u7ed3\u679c\uff0c\u5b83\u5c31\u9700\u8981\u9000\u51fa\u3002<\/p>\n

\u6bcf\u4e2a REST \u8c03\u7528\u90fd\u5728\u81ea\u5df1\u7684 go \u4f8b\u7a0b\u4e2d\u8fdb\u884c\uff0c\u5e76\u901a\u8fc7\u7f13\u51b2\u901a\u9053\u5c06\u7ed3\u679c\u8fd4\u56de\u5230\u4e3b\u7ebf\u7a0b\u3002<\/p>\n

\u56e0\u4e3a\u6211\u4f7f\u7528\u7f13\u51b2\u901a\u9053\uff0c\u6240\u4ee5\u6211\u77e5\u9053\u53d1\u9001\u7ebf\u7a0b\u5c06\u901a\u8fc7\u7f13\u51b2\u901a\u9053\u53d1\u9001 REST \u8bf7\u6c42\u7684\u7ed3\u679c\u5e76\u9000\u51fa – \u4e0d\u53ef\u80fd\u51fa\u73b0 Goroutine \u6cc4\u6f0f\u3002<\/p>\n

\u6211\u7684\u95ee\u9898\u662f\uff1b\u5047\u8bbe\u6211\u5f97\u5230\u4e86\u7b2c\u4e00\u4e2a REST \u8bf7\u6c42\u7684\u54cd\u5e94\uff0c\u8fd9\u662f\u4e00\u4e2a\u7cdf\u7cd5\u7684\u7ed3\u679c\uff08\u6211\u7684\u610f\u601d\u662f\u6574\u4e2a\u51fd\u6570\u9700\u8981\u9000\u51fa\uff09\uff0c\u6211\u53ef\u4ee5\u5173\u95ed\u5176\u4ed6\u4e24\u4e2a\u901a\u9053\u5e76\u9000\u51fa\u800c\u4e0d\u8bfb\u53d6\u5176\u4ed6 2 \u4e2a\u901a\u9053\u7684\u5185\u5bb9\u5417\u7f13\u51b2\u901a\u9053\uff1f<\/p>\n

\u6211\u6709\u4e00\u79cd\u611f\u89c9\uff0c\u4e0d\u5efa\u8bae\u8fd9\u6837\u505a\uff0c\u5982\u679c\u662f\u8fd9\u6837\u7684\u8bdd\uff0c\u4e3a\u4ec0\u4e48\u8981\u8fd9\u6837\u505a\uff1f<\/p>\n

<\/p>\n

\u6b63\u786e\u7b54\u6848<\/h2>\n

<\/p>\n

\u4f60\u4e0d\u5e94\u8be5\u5173\u95ed\u5c06\u7531\u53e6\u4e00\u4e2a goroutine \u5199\u5165\u7684\u901a\u9053\u3002\u901a\u5e38\u7684\u6a21\u5f0f\u662f\u8ba9\u7f16\u5199\u5668\u5728\u5b8c\u6210\u540e\u5173\u95ed\u5176\u6b63\u5728\u5199\u5165\u7684\u901a\u9053\u3002\u5982\u679c\u4f60\u60f3\u53d6\u6d88 goroutine \u7684\u8c03\u7528\uff0c\u4f60\u5e94\u8be5\u4f7f\u7528 context.context<\/code> \u4ee3\u66ff\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 context<\/code> \u53d6\u6d88\u53e6\u4e00\u4e2a goroutine \u4e4b\u95f4\u7684\u793a\u4f8b\u540c\u6b65\u4ee3\u7801\u3002<\/p>\n

package main\n\nimport (\n    \"context\"\n    \"fmt\"\n    \"time\"\n)\n\nfunc f(ctx context.Context, ch chan<- struct{}) {\n    select {\n    case <-time.After(time.Hour):\n        fmt.Println(\"sending data on the channel\")\n        ch <- struct{}{}\n    case <-ctx.Done():\n        fmt.Println(\"closing channel\")\n        close(ch)\n    }\n}\n\nfunc main() {\n    ch := make(chan struct{})\n    ctx, cancel := context.WithCancel(context.Background())\n    go f(ctx, ch)\n    cancel()\n    <-ch\n}\n<\/pre>\n
\u672c\u7bc7\u5173\u4e8e\u300a\u5728\u8bfb\u53d6\u7f13\u51b2\u901a\u9053\u4e2d\u7684\u5185\u5bb9\u4e4b\u524d\u9000\u51fa\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/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-206949","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206949","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=206949"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206949\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}