{"id":207713,"date":"2025-07-08T09:26:40","date_gmt":"2025-07-08T01:26:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207713\/"},"modified":"2025-07-08T09:26:40","modified_gmt":"2025-07-08T01:26:40","slug":"go%ef%bc%9a%e4%b8%8d%e9%81%b5%e5%ae%88-responsecontroller-%e7%9a%84%e6%88%aa%e6%ad%a2%e6%97%a5%e6%9c%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207713\/","title":{"rendered":"Go\uff1a\u4e0d\u9075\u5b88 ResponseController \u7684\u622a\u6b62\u65e5\u671f"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Go\uff1a\u4e0d\u9075\u5b88 ResponseController \u7684\u622a\u6b62\u65e5\u671f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-24 21:36:35<\/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\u300aGo\uff1a\u4e0d\u9075\u5b88 ResponseController \u7684\u622a\u6b62\u65e5\u671f\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\u6709\u4e00\u4e9b\u4ee3\u7801\uff0c\u5982\u679c\u5199\u5165\u65f6\u95f4\u592a\u957f\uff0c\u6211\u4f1a\u5c1d\u8bd5\u53d6\u6d88\u5199\u56de\u5ba2\u6237\u7aef\u3002\u6211\u60f3\u6211\u53ef\u4ee5\u4f7f\u7528 http.responsecontroller \u6765\u5b9e\u73b0\u6b64\u76ee\u7684\uff0c\u56e0\u4e3a\u5b83\u6709\u4e00\u4e2a setwritedeadline \u65b9\u6cd5\u3002<\/p>\n

\u4e0d\u5e78\u7684\u662f\uff0c\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u4e2d\uff0crw.write<\/code> \u5728\u622a\u6b62\u65e5\u671f\u8fc7\u540e\u4e0d\u4f1a\u8fd4\u56de\u9519\u8bef\u3002<\/p>\n

\u8fd8\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u53d6\u6d88\u5199\u5165\u5417\uff1f<\/p>\n

package main\n\nimport (\n    \"log\"\n    \"net\/http\"\n    \"time\"\n)\n\nfunc main() {\n    http.handlefunc(\"\/\", func(rw http.responsewriter, r *http.request) {\n        log.println(r.method, r.url.path)\n\n        rc := http.newresponsecontroller(rw)\n        dl := time.now().add(3 * time.second)\n        if err := rc.setwritedeadline(dl); err != nil {\n            log.println(err)\n            return\n        }\n        log.println(\"write deadline:\", dl)\n\n        var total int\n        for _, b := range []byte(\"what!\\n\") {\n            time.sleep(time.second)\n\n            n, err := rw.write([]byte{b})\n            if err != nil {\n                log.println(err)\n                return\n            }\n\n            total += n\n            log.println(\"bytes written\", n)\n        }\n\n        log.println(r.method, r.url.path, \"write total\", total)\n    })\n\n    http.listenandserve(\":8080\", nil)\n}<\/pre>\n
$ go run main.go \n2023\/04\/26 12:24:40 get \/\n2023\/04\/26 12:24:40 write deadline: 2023-04-26 12:24:43.303884739 -0700 pdt m=+11.5891\n16304\n2023\/04\/26 12:24:41 bytes written 1\n2023\/04\/26 12:24:42 bytes written 1\n2023\/04\/26 12:24:43 bytes written 1\n2023\/04\/26 12:24:44 bytes written 1\n2023\/04\/26 12:24:45 bytes written 1\n2023\/04\/26 12:24:46 bytes written 1\n2023\/04\/26 12:24:46 get \/ write total 6<\/pre>\n
$ curl http:\/\/localhost:8080\/\ncurl: (52) Empty reply from server<\/pre>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u8bf4\uff1a<\/p>\n
setwritedeadline \u8bbe\u7f6e\u5199\u5165\u54cd\u5e94\u7684\u622a\u6b62\u65e5\u671f\u3002\u8d85\u8fc7\u622a\u6b62\u65f6\u95f4\u540e\u5199\u5165\u54cd\u5e94\u6b63\u6587\u4e0d\u4f1a\u963b\u585e\uff0c\u4f46\u5982\u679c\u6570\u636e\u5df2\u7f13\u51b2\uff0c\u5219\u53ef\u80fd\u4f1a\u6210\u529f\u3002<\/p>\n
\u95ee\u9898\u4e2d\u5bf9\u54cd\u5e94\u7f16\u5199\u5668\u7684\u5199\u5165\u6210\u529f\uff0c\u56e0\u4e3a\u5e94\u7528\u7a0b\u5e8f\u5199\u5165\u7684\u5c11\u91cf\u6570\u636e\u88ab\u7f13\u51b2\u3002<\/p>\n
\u6765\u81eacurl\u7684\u201c\u6765\u81ea\u670d\u52a1\u5668\u7684\u7a7a\u56de\u590d\u201d\u9519\u8bef\u8868\u660e\uff0c\u5f53\u670d\u52a1\u5668\u4ece\u5904\u7406\u7a0b\u5e8f\u8fd4\u56de\u65f6\u5c06\u54cd\u5e94\u5237\u65b0\u5230\u5e95\u5c42\u7f51\u7edc\u8fde\u63a5\u65f6\uff0c\u5c31\u9075\u5b88\u4e86\u622a\u6b62\u65e5\u671f\u3002<\/p>\n
\u4f7f\u7528 \u6765\u9632\u6b62\u5ba2\u6237\u7aef\u901f\u5ea6\u7f13\u6162\u3002<\/p>\n
\u4f7f\u7528\u6765\u9650\u5236\u670d\u52a1\u5668\u751f\u6210\u54cd\u5e94\u6240\u7528\u7684\u65f6\u95f4\uff1a<\/p>\n
 65bd46fc4\u4e8c\u6708 <\/p>\n
\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGolang\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/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-207713","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207713","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=207713"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207713\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}