{"id":207801,"date":"2025-07-08T09:40:09","date_gmt":"2025-07-08T01:40:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207801\/"},"modified":"2025-07-08T09:40:09","modified_gmt":"2025-07-08T01:40:09","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8%e7%bb%88%e7%ab%af%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e4%b8%ad%e6%ad%a3%e7%a1%ae%e5%ae%9e%e7%8e%b0-goroutine","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207801\/","title":{"rendered":"\u5982\u4f55\u5728\u7ec8\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6b63\u786e\u5b9e\u73b0 Goroutine"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728\u7ec8\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6b63\u786e\u5b9e\u73b0 Goroutine<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-25 18:27:33<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u5982\u4f55\u5728\u7ec8\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6b63\u786e\u5b9e\u73b0 Goroutine\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60Golang<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

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

\u6211\u6b63\u5728\u5c1d\u8bd5\u5728\u7ec8\u7aef\u4e2d\u521b\u5efa\u4e00\u4e2a http \u8bf7\u6c42\u63a5\u53e3\uff0c\u60a8\u53ef\u4ee5\u5728\u5176\u4e2d\u4f20\u9012\u4e00\u4e9b\u6570\u636e\uff08url\u3001\u54cd\u5e94\u6b63\u6587\u7b49\uff09\uff0c\u7136\u540e\u6211\u53d1\u51fa\u8bf7\u6c42\u5e76\u5728\u67d0\u5904\u663e\u793a\u6570\u636e\u3002 \u6211\u6b63\u5728\u5c1d\u8bd5\u5728 goroutine \u4e2d\u6267\u884c\u8bf7\u6c42\uff0c\u5e76\u663e\u793a\u901a\u9053\u7ed9\u6211\u7684\u7ed3\u679c\u3002\u5f53\u6211\u6267\u884c\u5feb\u901f\u8bf7\u6c42\u65f6\uff0c\u8fd9\u662f\u4e0d\u53ef\u80fd\u6ce8\u610f\u5230\u7684\uff0c\u4f46\u6211\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684 node \u7aef\u70b9\u6765\u6d4b\u8bd5\u8ba1\u7b97\u91cf\u5927\u7684\u7aef\u70b9\uff1a<\/p>\n

    app.use(express.json())\n    \n    app.get(\"\/\", (req, res) => {     \n         new promise(resolve => {\n             settimeout(() => resolve(), 3000)\n         }).then(() => res.status(200).json({message: \"ok\"}))\n        .catch(err => res.status(500).json({error: err.message}))\n    })\n   \n    app.listen(4000, () => console.log(\"server up\"))\n<\/pre>\n
\u5f53\u6211\u8c03\u7528\u6b64\u7aef\u70b9\u65f6\uff0c\u6574\u4e2a\u7528\u6237\u754c\u9762\u4f1a\u51bb\u7ed3\uff0c\u53ea\u6709\u5728\u8bf7\u6c42\u5b8c\u6210\u540e\u6211\u624d\u80fd\u7ee7\u7eed\u4f7f\u7528 gui\u3002\u4f8b\u5982\uff0c\u6211\u5c1d\u8bd5\u5728\u53d1\u51fa\u8bf7\u6c42\u65f6\u5728 gui \u4e2d\u5305\u542b\u4e00\u4e2a\u52a0\u8f7d\u6846\uff0c\u4f46\u53d1\u751f\u4e86\u51bb\u7ed3\uff0c\u5e76\u4e14\u5728\u8bf7\u6c42\u5b8c\u6210\u540e\u624d\u663e\u793a\u52a0\u8f7d\u3002<\/p>\n
\u8fd9\u662f httprequest<\/code> \u51fd\u6570\u7684\u4ee3\u7801<\/p>\n
func httprequest(url, method string, body []byte, results chan result) {\n    client := &http.client{}\n    req, err := http.newrequest(method, url, bytes.newbuffer(body))\n    req.header.add(\"content-type\", \"application\/json\")\n    if err != nil {\n        results <- result{err: err}\n    }\n\n    res, err := client.do(req)\n    if err != nil {\n        results <- result{err: err}\n    }\n\n    defer res.body.close()\n\n    r := result{\n        method: res.request.method,\n        url:    res.request.url.string(),\n        path:   res.request.url.path,\n        proto:  res.proto,\n        status: res.status,\n        header: res.header,\n    }\n\n    b, err := io.readall(res.body)\n    if err != nil {\n        results <- result{err: err}\n    }\n\n    r.body = string(b)\n    results <- r\n} \n<\/pre>\n
\u5b83\u5c06\u5728 processrequest<\/code> \u51fd\u6570\u4e0a\u8c03\u7528\uff1a<\/p>\n
func processRequest(g *ui.Gui, v *ui.View) error {\n    method_view, err := g.View(\"method\")\n    if err != nil {\n        return err\n     }\n     method_view.Clear()\n     fmt.Fprintln(method_view, \"loading...\")\n\n    \n     \/\/ GET ALL REQUEST DATA HERE...\n\n\n    out, err := g.View(\"res-output\")\n    if err != nil {\n        return err\n    }\n\n    r := make(chan Result, 1)\n    start := time.Now()\n\n    switch active_method {\n    case 0:\n        go httpRequest(api_url, \"GET\", nil, r)\n    case 1:\n        go httpRequest(api_url, \"POST\", request_body_data, r)\n    case 2:\n        go httpRequest(api_url, \"DELETE\", request_body_data, r)\n    case 3:\n        go httpRequest(api_url, \"PUT\", request_body_data, r)\n    }\n\n    result := <-r\n    if result.err != nil {\n        fmt.Fprintf(out, \"Error: %s\\n\", result.err.Error())\n        return nil\n    }\n    fmt.Fprintf(out, \"Time: %f s\\n\", time.Since(start).Seconds())\n    fmt.Fprintln(out, formatResponse(result))\n\n    history_view, err := g.View(\"history\")\n    if err != nil {\n        return err\n    }\n\n    history_item := fmt.Sprintf(\"%s %s %s\\n\", result.method, result.url, result.status)\n    fmt.Fprintln(history_view, history_item)\n\n    close(r)\n\n    method_view.Clear()\n    fmt.Fprintln(method_view, methods[active_method]) \/\/ CLEAR THE LOADING FROM TOP AND REWRITE REQUEST METHOD\n\n    return nil\n}\n<\/pre>\n
\u6211\u662f\u5426\u53ef\u4ee5\u5b9e\u73b0\u5728\u53d1\u51fa\u8bf7\u6c42\u65f6\u4ecd\u7136\u53ef\u4ee5\u6270\u4e71 ui \u7684\u884c\u4e3a\uff1f \u6211\u8fd8\u5c1d\u8bd5\u521b\u5efa\u53e6\u4e00\u4e2a\u901a\u9053 done<\/code> \u6765\u901a\u77e5 processrequest<\/code> \u51fd\u6570\uff0c\u4f46\u6211\u5f97\u5230\u4e86\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u5f53\u524d\u4ee3\u7801\u7684\u95ee\u9898\u662f\uff0c\u5f53\u60a8\u540c\u65f6\u53d1\u51fa\u8bf7\u6c42\u65f6\uff0c\u60a8\u4f1a\u963b\u585e\u7b49\u5f85\u7ed3\u679c result := <-r<\/code>\u3002\u8fd9\u5426\u5b9a\u4e86\u5728 go \u4f8b\u7a0b\u4e2d\u8fd0\u884c\u8bf7\u6c42\u7684\u610f\u4e49\uff0c\u56e0\u4e3a\u5728\u6b64\u671f\u95f4\u60a8\u6ca1\u6709\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff08\u4f8b\u5982\u5904\u7406 UI \u4e8b\u4ef6\uff09\u3002<\/p>\n
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\u6362\u53e5\u8bdd\u8bf4\uff0cprocessRequest<\/code> \u5e94\u8be5\u5728 go-routine \u4e2d\u8fd0\u884c\uff0c\u800c\u4e0d\u662f httpRequest<\/code>\u3002<\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u4f55\u5728\u7ec8\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6b63\u786e\u5b9e\u73b0 Goroutine\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":"
\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-207801","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207801","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=207801"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207801\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}