{"id":207074,"date":"2025-07-08T08:53:22","date_gmt":"2025-07-08T00:53:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207074\/"},"modified":"2025-07-08T08:53:22","modified_gmt":"2025-07-08T00:53:22","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8%e4%b8%8d%e7%bc%93%e5%86%b2%e7%9a%84%e6%83%85%e5%86%b5%e4%b8%8b%e8%ae%b0%e5%bd%95%e8%af%b7%e6%b1%82%e6%ad%a3%e6%96%87%ef%bc%88%e9%80%9a%e8%bf%87%e4%b8%ad%e9%97%b4%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207074\/","title":{"rendered":"\u5982\u4f55\u5728\u4e0d\u7f13\u51b2\u7684\u60c5\u51b5\u4e0b\u8bb0\u5f55\u8bf7\u6c42\u6b63\u6587\uff08\u901a\u8fc7\u4e2d\u95f4\u4ef6\uff09\uff1f"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728\u4e0d\u7f13\u51b2\u7684\u60c5\u51b5\u4e0b\u8bb0\u5f55\u8bf7\u6c42\u6b63\u6587\uff08\u901a\u8fc7\u4e2d\u95f4\u4ef6\uff09\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-19 21:12:28<\/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\u4e0d\u7f13\u51b2\u7684\u60c5\u51b5\u4e0b\u8bb0\u5f55\u8bf7\u6c42\u6b63\u6587\uff08\u901a\u8fc7\u4e2d\u95f4\u4ef6\uff09\uff1f\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

\u5047\u8bbe\u6211\u6709\u8fd9\u4e2a\u7b80\u5355\u7684\u670d\u52a1\u5668\uff08\u4e3a\u4e86\u7b80\u6d01\u8d77\u89c1\uff0c\u7701\u7565\u4e86\u9519\u8bef\u5904\u7406\uff09\uff1a<\/p>\n

func main() {\n    http.handlefunc(\"\/\", helloserver)\n    http.listenandserve(\":8080\", nil)\n}\n\nfunc helloserver(w http.responsewriter, r *http.request) {\n    b, _ := ioutil.readall(r.body)\n    fmt.fprintf(w, \"the request is: %s\", string(b))\n}<\/pre>\n
\u6211\u9700\u8981\u6dfb\u52a0\u4e00\u4e2a\u7b80\u5355\u7684\u4e2d\u95f4\u4ef6\u6765\u8bfb\u53d6\u8bf7\u6c42\u6b63\u6587\u5e76\u8bb0\u5f55\u5b83\u3002\u6211\u5df2\u7ecf\u6709\u4e86\u8fd9\u4e2a\u5de5\u4f5c\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n
func requestLogger(next http.HandlerFunc) http.HandlerFunc {\n    return func(w http.ResponseWriter, r *http.Request) {\n        pr, pw := io.Pipe()\n        tee := io.TeeReader(r.Body, pw)\n        r.Body = pr\n        go func() {\n            body, _ := ioutil.ReadAll(tee)\n            defer pw.Close()\n            log.Printf(\"This is the logged request: %s\", string(body))\n        }()\n        next(w, r)\n    }\n}<\/pre>\n
\u6211\u901a\u8fc7\u53cd\u590d\u8bd5\u9a8c\u76f4\u89c2\u5730\u5f97\u51fa\u4e86\u8fd9\u4e2a\u89e3\u51b3\u65b9\u6848\uff0c\u6240\u4ee5\u6211\u4e0d\u786e\u5b9a\u8fd9\u662f\u5426\u9002\u7528\u4e8e\u6240\u6709\u60c5\u51b5\u3002\u8fd9\u4e9b\u662f\u6211\u5bf9\u81ea\u5df1\u7684\u89e3\u51b3\u65b9\u6848\u7684\u7591\u95ee\uff1a<\/p>\n
    \n
  1. \u4e3a\u4ec0\u4e48\u6211\u5fc5\u987b\u624b\u52a8\u5173\u95ed pipe<\/code>\uff1f<\/strong> ioutil.readall()<\/code> \u5728 r.body \u4e0a\u9047\u5230 eof \u65f6\u4e0d\u4f1a\u5173\u95ed\u5b83\u3002 <\/li>\n
  2. \u4e3a\u4ec0\u4e48\u8fd9\u4e0d\u4f1a\u963b\u585e\uff1f<\/strong>\u5b58\u5728\u5faa\u73af\u5f15\u7528\uff0c\u56e0\u4e3a teereader<\/code> \u4ece\u4e0e\u901a\u8fc7\u7ba1\u9053 (r.body = pr) \u5199\u5165\u7684\u540c\u4e00\u6e90 (r.body) \u8bfb\u53d6\u6570\u636e\u3002\u6839\u636e\u6587\u6863\uff0c\u5199\u5165 pipewriter \u4f1a\u963b\u585e\uff0c\u76f4\u5230\u6ee1\u8db3\u4e00\u4e2a\u6216\u591a\u4e2a\u8bfb\u53d6\uff0c\u800c\u5bf9\u4e8e teereader\uff0c\u5199\u5165\u5fc5\u987b\u5728\u8bfb\u53d6\u5b8c\u6210\u4e4b\u524d\u5b8c\u6210\u3002<\/li>\n<\/ol>\n
     <\/p>\n
    \u89e3\u51b3\u65b9\u6848<\/h2>\n
     <\/p>\n
    \u8fd9\u4e0d\u662f\u8bb0\u5f55\u7684\u884c\u4e3a\u3002\u53e6\u5916\uff0cio.Reader<\/code> \u4e0d\u662f io.ReadCloser<\/code>\u3002<\/p>\n
    \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5728\u4e0d\u7f13\u51b2\u7684\u60c5\u51b5\u4e0b\u8bb0\u5f55\u8bf7\u6c42\u6b63\u6587\uff08\u901a\u8fc7\u4e2d\u95f4\u4ef6\uff09\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\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-207074","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207074","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=207074"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207074\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}