[{"data":1,"prerenderedAt":241},["ShallowReactive",2],{"tag-http-1":3},{"title":4,"articles":5,"hot_article":26,"month_arch":89,"total":237,"cover":238},"http - 独孤影的博客",[6,17],{"id":7,"title":8,"uri":8,"author":9,"tags":10,"created_at":14,"view_count":15,"content":16},57,"golang客户端取消http请求","duguying",[11,12,13],"golang","cancelable","http","2017-08-14 16:39:09",3586,"\u003Cp>首先，创建带有Cancel Context的http请求\u003C\u002Fp>\u003Cpre class=\"brush:go;toolbar:false\">var&nbsp;cx&nbsp;context.Context\ncx,&nbsp;req.cancel&nbsp;=&nbsp;context.WithCancel(context.Background())\n\nif&nbsp;req.httpreq,&nbsp;err&nbsp;=&nbsp;http.NewRequest(req.method,&nbsp;req.url,&nbsp;reqbody);&nbsp;err&nbsp;!=&nbsp;nil&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;return\n}\nreq.httpreq&nbsp;=&nbsp;req.httpreq.WithContext(cx)\nreq.httpreq.Header&nbsp;=&nbsp;req.Headers\nreq.httpreq.ContentLength&nbsp;=&nbsp;reqbodyLength\u003C\u002Fpre>\u003Cp>然后，需要停止请求的时候调用req.cancel()方法\u003C\u002Fp>\u003Cpre class=\"brush:go;toolbar:false\">if&nbsp;req.cancel&nbsp;!=&nbsp;nil&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;req.cancel()\n&nbsp;&nbsp;&nbsp;&nbsp;fmt.Println(&quot;running&nbsp;cancel...&quot;)\n}\n\nreturn&nbsp;nil\u003C\u002Fpre>\u003Cp>这样才能够客户端强行主动取消正在进行的http连接。就是这么简单\u003Cbr\u002F>\u003C\u002Fp>",{"id":18,"title":19,"uri":19,"author":9,"tags":20,"created_at":23,"view_count":24,"content":25},33,"网站升级至HTTP2",[21,22],"http2","nginx","2015-12-13 23:25:56",4451,"\u003Cp>HTTP2从提出到现在已经有一段时间了，不过目前使用该协议的网站并不多。不过著名如google, twitter, youtube他们都已经领先升级到了HTTP2协议。今天我也将自己的博客升级到了HTTP2。\u003C\u002Fp>\u003Cp>重新编译安装最新的主线版本nginx 1.9.9\u003C\u002Fp>\u003Cpre class=\"brush:bash;toolbar:false\">.\u002Fconfigure&nbsp;--with-http_v2_module&nbsp;--with-http_ssl_module\nmake\nmake&nbsp;install\u003C\u002Fpre>\u003Cp>修改nginx配置文件\u003C\u002Fp>\u003Cpre class=\"brush:plain;toolbar:false\">server&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;listen&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;443&nbsp;&nbsp;&nbsp;&nbsp;ssl&nbsp;http2&nbsp;fastopen=3&nbsp;reuseport;\n&nbsp;&nbsp;&nbsp;&nbsp;server_name&nbsp;&nbsp;duguying.net;\n\n&nbsp;&nbsp;&nbsp;&nbsp;ssl&nbsp;on;\n&nbsp;&nbsp;&nbsp;&nbsp;ssl_certificate&nbsp;\u002Froot\u002Fssl\u002F1_duguying.net_bundle.crt;\n&nbsp;&nbsp;&nbsp;&nbsp;ssl_certificate_key&nbsp;\u002Froot\u002Fssl\u002F2_duguying.net.key;\n\n&nbsp;&nbsp;&nbsp;&nbsp;location&nbsp;\u002F&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;try_files&nbsp;\u002F_not_exists_&nbsp;@backend;\n&nbsp;&nbsp;&nbsp;&nbsp;}\n\n&nbsp;&nbsp;&nbsp;&nbsp;location&nbsp;@backend&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;proxy_set_header&nbsp;X-Forwarded-For&nbsp;$remote_addr;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;proxy_set_header&nbsp;Host&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$http_host;\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;proxy_pass&nbsp;http:\u002F\u002F127.0.0.1:81;\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}\u003C\u002Fpre>\u003Cp>主要是添加&nbsp;\u003Cspan style=\"text-decoration: underline;\">ssl http2 fastopen=3 reuseport\u003C\u002Fspan>。\u003C\u002Fp>\u003Cp>重启nginx服务。\u003C\u002Fp>\u003Cp>接下来可以在浏览器上看到如下闪电图标（需要装插件&nbsp;HTTP\u002F2 and SPDY indicator）\u003C\u002Fp>\u003Cp>\u003Cimg src=\"\u002F\u002Fduguying.oss-cn-qingdao.aliyuncs.com\u002F2015\u002F12\u002F13\u002Fhttp2.png\" title=\"\" alt=\"http2.png\"\u002F>\u003C\u002Fp>",{"title":27,"list":28},"最热文章",[29,35,41,47,53,59,65,71,77,83],{"id":30,"title":31,"uri":32,"author":9,"created_at":33,"view_count":34},28,"docker容器目录与主机目录同步","\u002Farticle\u002Fdocker容器目录与主机目录同步","2014-12-31 12:34:08",15573,{"id":36,"title":37,"uri":38,"author":9,"created_at":39,"view_count":40},21,"beego中使用fis","\u002Farticle\u002Fbeego中使用fis","2014-12-03 10:47:56",9253,{"id":42,"title":43,"uri":44,"author":9,"created_at":45,"view_count":46},20,"用github登录，oauth开发","\u002Farticle\u002F用github登录，oauth开发","2014-11-23 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