{"id":207419,"date":"2025-07-08T13:02:22","date_gmt":"2025-07-08T05:02:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207419\/"},"modified":"2025-07-08T13:02:22","modified_gmt":"2025-07-08T05:02:22","slug":"%e6%b2%a1%e6%9c%89%e5%a4%84%e7%90%86%e7%a8%8b%e5%ba%8f%e7%9a%84-mux-%e4%b8%ad%e9%97%b4%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207419\/","title":{"rendered":"\u6ca1\u6709\u5904\u7406\u7a0b\u5e8f\u7684 Mux \u4e2d\u95f4\u4ef6"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u6ca1\u6709\u5904\u7406\u7a0b\u5e8f\u7684 Mux \u4e2d\u95f4\u4ef6<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-22 14:21:36<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2aGolang\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u6ca1\u6709\u5904\u7406\u7a0b\u5e8f\u7684 Mux \u4e2d\u95f4\u4ef6\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

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

\u6211\u6b63\u5728\u4f7f\u7528\u5fae\u670d\u52a1\u67b6\u6784\u6784\u5efa\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002 \u5728\u7f51\u5173\u4e0a\uff0c\u6211\u786e\u5b9e\u5e0c\u671b\u5c06\u8bf7\u6c42\u8def\u7531\u5230\u6b63\u786e\u7684\u7aef\u70b9\u3002<\/p>\n

\u4f46\u662f\uff0c\u7aef\u70b9\u73b0\u5728\u5728\u8fd0\u884c\u65f6\u5df2\u77e5\uff0c\u5e76\u4e14\u9700\u8981\u5728\u6570\u636e\u5e93\u4e2d\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n

\u4e0b\u9762\u662f\u83b7\u53d6\u8def\u7531\u5668\u7684\u4ee3\u7801\u3002<\/p>\n

func getrouter() *mux.router {\n    r := mux.newrouter()\n\n    r.use(dynamicroutemiddleware)\n\n    return r\n}<\/pre>\n
\u4e2d\u95f4\u4ef6\u672c\u8eab\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
func dynamicRouteMiddleware(next http.Handler) http.Handler {\n    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {\n        fmt.Println(\"Error\")\n    })\n}<\/pre>\n
\u4f46\u662f\uff0c\u201c\u9519\u8bef\u201d\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u6253\u5370\u3002 \u4ec5\u5f53\u6211\u4e3a\u201c\/\u201d\u653e\u7f6e\u5904\u7406\u7a0b\u5e8f\u65f6\u624d\u4f1a\u6253\u5370\u5b83<\/p>\n
\u5982\u4f55\u521b\u5efa\u6ca1\u6709\u5904\u7406\u7a0b\u5e8f\u7684\u4e2d\u95f4\u4ef6\uff1f<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5b83\u88ab\u79f0\u4e3a\u201c\u4e2d\u95f4\u4ef6\u201d\uff0c\u56e0\u4e3a\u5b83\u5e94\u8be5\u628a\u4f60\u7684 handler<\/code> \u653e\u5728\u201c\u4e2d\u95f4\u201d\u3002\u5b83\u5728 handler<\/code> \u4e4b\u524d\u63a5\u6536\u8f93\u5165\uff0c\u5e76\u63a5\u6536 handler<\/code> \u7684\u8f93\u51fa\u3002 <\/p>\n
\u672c\u8d28\u4e0a\uff0c\u8981\u8ba9\u4e2d\u95f4\u4ef6\u5de5\u4f5c\uff0c\u60a8\u9700\u8981\u81f3\u5c11\u6709\u4e00\u4e2a\u5904\u7406\u7a0b\u5e8f\u3002\u6700\u597d\u60a8\u53ef\u4ee5\u53ea\u5728\u5904\u7406\u7a0b\u5e8f\u800c\u4e0d\u662f\u4e2d\u95f4\u4ef6\u4e2d\u4f7f\u7528\u6240\u9700\u7684\u6b64\u529f\u80fd\u3002<\/p>\n
\u5728\u4e2d\u95f4\u4ef6\u4e0a\uff0c\u60a8\u9700\u8981\u8c03\u7528 next<\/code> \u5904\u7406\u7a0b\u5e8f\uff0c\u4ee5\u4fbf\u6240\u6709\u4f20\u5165\u8bf7\u6c42\u90fd\u5c06\u7ee7\u7eed\u5230\u76ee\u6807\u8def\u7531\u3002<\/p>\n
func dynamicroutemiddleware(next http.handler) http.handler {\n    return http.handlerfunc(func(w http.responsewriter, r *http.request) {\n        fmt.println(\"error\")\n        next.servehttp(w, r) \/\/ <------- this one\n    })\n}<\/pre>\n
\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6ce8\u518c\u4efb\u4f55\u8def\u7531\uff0c\u4f46\u6700\u540e\u8bf7\u786e\u4fdd r<\/code> \u5bf9\u8c61\u7528\u4f5c \/<\/code> \u8def\u7531\u7684\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n
r.HandleFunc(\"\/test\", func(w http.ResponseWriter, r *http.Request) {\n    w.Write([]byte(\"test\"))\n})\n\nr.HandleFunc(\"\/test\/12\", func(w http.ResponseWriter, r *http.Request) {\n    w.Write([]byte(\"test 12\"))\n})\n\nr.HandleFunc(\"\/about-us\", func(w http.ResponseWriter, r *http.Request) {\n    w.Write([]byte(\"about us\"))\n})\n\nhttp.Handle(\"\/\", r)\nhttp.ListenAndServe(\":8080\", nil)<\/pre>\n
\u5f53\u60a8\u8bbf\u95ee \/test<\/code>\u3001\/test\/12<\/code> \u6216 \/about-us<\/code> \u65f6\uff1b error<\/code> \u4ecd\u5c06\u88ab\u6253\u5370\u3002<\/p>\n
\u4ee5\u524d\u5b83\u4e0d\u4f1a\u88ab\u6253\u5370\uff0c\u56e0\u4e3a\u60a8\u6ca1\u6709\u7ee7\u7eed\u5230\u4e0b\u4e00\u4e2a\u5904\u7406\u7a0b\u5e8f\u3002\u5728\u60a8\u7684\u60c5\u51b5\u4e0b\uff0c\u4ee3\u7801 next.servehttp(w, r)<\/code> \u662f\u5fc5\u9700\u7684\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u6ca1\u6709\u5904\u7406\u7a0b\u5e8f\u7684 Mux \u4e2d\u95f4\u4ef6\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\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-207419","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207419","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=207419"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207419\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}