{"id":207189,"date":"2025-07-08T09:33:30","date_gmt":"2025-07-08T01:33:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207189\/"},"modified":"2025-07-08T09:33:30","modified_gmt":"2025-07-08T01:33:30","slug":"%e5%a6%82%e6%9e%9c%e6%88%91%e5%9c%a8-gin-%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%a4%9a%e4%b8%aa%e4%b8%ad%e9%97%b4%e4%bb%b6%ef%bc%8c%e5%ae%83%e4%bb%ac%e7%9a%84%e6%89%a7%e8%a1%8c%e9%a1%ba%e5%ba%8f%e6%98%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207189\/","title":{"rendered":"\u5982\u679c\u6211\u5728 gin \u4e2d\u4f7f\u7528\u591a\u4e2a\u4e2d\u95f4\u4ef6\uff0c\u5b83\u4eec\u7684\u6267\u884c\u987a\u5e8f\u662f\u4ec0\u4e48"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u679c\u6211\u5728 gin \u4e2d\u4f7f\u7528\u591a\u4e2a\u4e2d\u95f4\u4ef6\uff0c\u5b83\u4eec\u7684\u6267\u884c\u987a\u5e8f\u662f\u4ec0\u4e48<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-20 18:21:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u76ee\u524d\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8eGolang<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300a\u5982\u679c\u6211\u5728 gin \u4e2d\u4f7f\u7528\u591a\u4e2a\u4e2d\u95f4\u4ef6\uff0c\u5b83\u4eec\u7684\u6267\u884c\u987a\u5e8f\u662f\u4ec0\u4e48\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60Golang<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

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

\u5982\u679c\u6211\u4f7f\u7528\u591a\u4e2a\u4e2d\u95f4\u4ef6\uff0c\u5e76\u4e14\u6211\u60f3\u4f7f\u7528 ctx.set<\/code> \u548c ctx.get<\/code> \u5728 mw2<\/code> \u4e2d\u4f7f\u7528 mw1<\/code> \u7684\u8f93\u51fa\uff0c\u4e2d\u95f4\u4ef6\u7684\u6267\u884c\u987a\u5e8f\u662f\u5426\u6709\u4efb\u4f55\u5b9a\u4e49\u7684\u987a\u5e8f\uff1f<\/p>\n

func main() {\n    \/\/ Creates a router without any middleware by default\n    r := gin.New()\n\n    \/\/ Global middleware\n    \/\/ Logger middleware will write the logs to gin.DefaultWriter even you set with GIN_MODE=release.\n    \/\/ By default gin.DefaultWriter = os.Stdout\n    r.Use(mw1)\n\n    \/\/ Recovery middleware recovers from any panics and writes a 500 if there was one.\n    r.Use(mw2)\n\n    \/\/ Per route middleware, you can add as many as you desire.\n    r.GET(\"\/benchmark\", MyBenchLogger(), benchEndpoint)\n}\n<\/pre>\n
\u4f8b\u5982\uff0c\u5728\u4e0a\u9762\u7684\u72d9\u51fb\u4e2d\uff0c\u9996\u5148\u8c03\u7528\u7684\u662f mw1<\/code>\uff0c\u8fd8\u662f mw2<\/code> \uff1f\u4ed6\u4eec\u7684\u8ba2\u8d2d\u6709\u4fdd\u8bc1\u5417\uff1f<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u5b83\u4eec\u6309\u7167\u6dfb\u52a0\u5230\u8def\u7531\u5668\u7684\u987a\u5e8f\u6267\u884c\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5b83\u901a\u5e38\u88ab\u79f0\u4e3a\u4e2d\u95f4\u4ef6\u94fe<\/em>\u3002<\/p>\n
\u4ece\u91c7\u7528\u4e2d\u95f4\u4ef6\u53c2\u6570\u7684\u51fd\u6570\u7b7e\u540d\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u5982 use<\/code>\u3001group<\/code> \u7b49\u3002\u4e2d\u95f4\u4ef6\u7684\u7c7b\u578b\u4e3a handlerfunc<\/code>\uff0c\u5b83\u4eec\u88ab\u6dfb\u52a0\u5230 handlerschain<\/code> \u4e2d\uff0c\u5b9a\u4e49\u4e3a\uff1a<\/p>\n
type handlerschain []handlerfunc<\/pre>\n
\u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u5047\u8bbe\u5728\u5148\u524d\u7684\u4e2d\u95f4\u4ef6\u4e2d\u8bbe\u7f6e\u7684\u4e0a\u4e0b\u6587\u503c\u5c06\u5728\u540e\u7eed\u7684\u4e2d\u95f4\u4ef6\u4e2d\u53ef\u7528\uff1a<\/p>\n
func main() {\n    r := gin.New()\n    r.Use(func(c *gin.Context) {\n        c.Set(\"key\", \"foo\")\n    })\n    \n    r.Use(func(c *gin.Context) {\n        fmt.Println(c.MustGet(\"key\").(string)) \/\/ foo \n    })\n}<\/pre>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u679c\u6211\u5728 gin \u4e2d\u4f7f\u7528\u591a\u4e2a\u4e2d\u95f4\u4ef6\uff0c\u5b83\u4eec\u7684\u6267\u884c\u987a\u5e8f\u662f\u4ec0\u4e48\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-207189","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207189","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=207189"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207189\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}