{"id":206805,"date":"2025-06-12T09:04:11","date_gmt":"2025-06-12T01:04:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206805\/"},"modified":"2025-06-12T09:04:11","modified_gmt":"2025-06-12T01:04:11","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-gin-%e4%b8%ad%e6%89%a9%e5%b1%95-context-%e5%b9%b6%e8%87%aa%e5%ae%9a%e4%b9%89%e5%93%8d%e5%ba%94%e6%96%b9%e6%b3%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206805\/","title":{"rendered":"\u5982\u4f55\u5728 Gin \u4e2d\u6269\u5c55 Context \u5e76\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\uff1f"},"content":{"rendered":"

\u76ee\u524dGOLANG\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e
\nGOLANG<\/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
\n\u300a\u5982\u4f55\u5728 Gin \u4e2d\u6269\u5c55 Context \u5e76\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60
\nGOLANG<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~,
\n,
\n\u81ea\u5b9a\u4e49 gin context \u7684\u54cd\u5e94\u65b9\u6cd5<\/strong>,\u5728 gin \u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u9700\u8981\u6269\u5c55 context\uff0c\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\u7684\u60c5\u51b5\u3002\u5c24\u5176\u662f\u5728\u590d\u6742\u7684\u9879\u76ee\u4e2d\uff0c\u9700\u8981\u6839\u636e\u4e0d\u540c\u7684\u4e1a\u52a1\u573a\u666f\u5bf9\u54cd\u5e94\u4fe1\u606f\u8fdb\u884c\u5b9a\u5236\u3002\u90a3\u4e48\uff0c\u5982\u4f55\u6269\u5c55 gin context \u5e76\u5728\u5176\u4e0a\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\u5462\uff1f,
\n\u4f7f\u7528\u95ed\u5305<\/strong>,gin context \u662f\u4e00\u4e2a\u4e0d\u53ef\u53d8\u5bf9\u8c61\u3002\u8fd9\u610f\u5473\u7740\u65e0\u6cd5\u76f4\u63a5\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u6216\u6269\u5c55\u3002\u4f46\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u95ed\u5305\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u6269\u5c55\u3002,\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a context \u7ed3\u6784\u4f53\uff0c\u5b83\u5d4c\u5165\u4e86 *gin.context\u3002\u8fd9\u610f\u5473\u7740 context \u62e5\u6709 gin.context \u7684\u6240\u6709\u65b9\u6cd5\u548c\u5c5e\u6027\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u4e3a context \u6dfb\u52a0\u4e86\u4e00\u4e2a hello \u65b9\u6cd5\u3002,
\n\u4f7f\u7528 gin \u7684 handlefunc<\/strong>,\u6709\u4e86\u81ea\u5b9a\u4e49\u7684 context \u7ed3\u6784\u4f53\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 gin \u7684 handlefunc \u6765\u521b\u5efa\u65b0\u7684 context handler\u3002,\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a newextendcontext \u51fd\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u63a5\u6536\u4e00\u4e2a func(context) \u7c7b\u578b\u7684\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a gin.handlrfunc\u3002gin.handlrfunc \u662f\u4e00\u4e2a\u51fd\u6570\u7c7b\u578b\uff0c\u7528\u4e8e\u5904\u7406 http \u8bf7\u6c42\u3002,\u5728 newextendcontext \u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u95ed\u5305\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684 context \u5b9e\u4f8b\u3002\u7136\u540e\uff0c\u6211\u4eec\u8c03\u7528 fn \u51fd\u6570\uff0c\u5e76\u5c06 context \u5b9e\u4f8b\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\u3002\u8fd9\u6837\uff0cfn \u51fd\u6570\u5c31\u53ef\u4ee5\u8bbf\u95ee\u548c\u4fee\u6539\u81ea\u5b9a\u4e49\u7684 context \u4e86\u3002,
\n\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684 context handler<\/strong>,\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684 context handler \u6765\u5904\u7406 http \u8bf7\u6c42\u3002,\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a hello \u51fd\u6570\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a context \u7c7b\u578b\u7684\u53c2\u6570\u3002\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u8c03\u7528\u4e86 hello \u65b9\u6cd5\u3002,\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 newextendcontext \u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684 context handler\uff0c\u5e76\u5c06 hello \u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\u3002\u6700\u540e\uff0c\u6211\u4eec\u5c06\u8fd9\u4e2a context handler \u6ce8\u518c\u5230\u4e86 gin \u7684\u8def\u7531 \/hello \u4e0a\u3002,\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u6210\u529f\u5730\u6269\u5c55 gin context \u5e76\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\u3002\u8fd9\u8ba9\u6211\u4eec\u80fd\u591f\u6839\u636e\u4e0d\u540c\u7684\u4e1a\u52a1\u573a\u666f\u7075\u6d3b\u5730\u4fee\u6539\u54cd\u5e94\u4fe1\u606f\u3002,\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\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~,\u81ea\u5b9a\u4e49 gin context \u7684\u54cd\u5e94\u65b9\u6cd5,\u76ee\u524dGOLANG\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e
\nGOLANG<\/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
\n\u300a\u5982\u4f55\u5728 Gin \u4e2d\u6269\u5c55 Context \u5e76\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60
\nGOLANG<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728 Gin \u4e2d\u6269\u5c55 Context \u5e76\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\uff1f<\/span><\/p>\n

\u5982\u4f55\u5728 Gin \u4e2d\u6269\u5c55 Context \u5e76\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\uff1f<\/h1>\n

2024-11-24 10:27:58<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u76ee\u524dGOLANG\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\u4f55\u5728 Gin \u4e2d\u6269\u5c55 Context \u5e76\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\uff1f\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

<\/p>\n

\u81ea\u5b9a\u4e49 gin context \u7684\u54cd\u5e94\u65b9\u6cd5<\/strong><\/p>\n

\u5728 gin \u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u9700\u8981\u6269\u5c55 context\uff0c\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\u7684\u60c5\u51b5\u3002\u5c24\u5176\u662f\u5728\u590d\u6742\u7684\u9879\u76ee\u4e2d\uff0c\u9700\u8981\u6839\u636e\u4e0d\u540c\u7684\u4e1a\u52a1\u573a\u666f\u5bf9\u54cd\u5e94\u4fe1\u606f\u8fdb\u884c\u5b9a\u5236\u3002\u90a3\u4e48\uff0c\u5982\u4f55\u6269\u5c55 gin context \u5e76\u5728\u5176\u4e0a\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\u5462\uff1f<\/p>\n

\u4f7f\u7528\u95ed\u5305<\/strong><\/p>\n

gin context \u662f\u4e00\u4e2a\u4e0d\u53ef\u53d8\u5bf9\u8c61\u3002\u8fd9\u610f\u5473\u7740\u65e0\u6cd5\u76f4\u63a5\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u6216\u6269\u5c55\u3002\u4f46\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u95ed\u5305\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u6269\u5c55\u3002<\/p>\n

type context struct {\n    *gin.context\n}\n\nfunc (ctx context) hello() {\n    log.println(\"hello eudore\")\n}<\/pre>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a context \u7ed3\u6784\u4f53\uff0c\u5b83\u5d4c\u5165\u4e86 *gin.context\u3002\u8fd9\u610f\u5473\u7740 context \u62e5\u6709 gin.context \u7684\u6240\u6709\u65b9\u6cd5\u548c\u5c5e\u6027\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u4e3a context \u6dfb\u52a0\u4e86\u4e00\u4e2a hello \u65b9\u6cd5\u3002<\/p>\n
\u4f7f\u7528 gin \u7684 handlefunc<\/strong><\/p>\n
\u6709\u4e86\u81ea\u5b9a\u4e49\u7684 context \u7ed3\u6784\u4f53\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 gin \u7684 handlefunc \u6765\u521b\u5efa\u65b0\u7684 context handler\u3002<\/p>\n
func newextendcontext(fn(context)) gin.handlrfunc {\n    return func(ctx *gin.context) {\n        fn(context{ctx})\n    }\n}<\/pre>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a newextendcontext \u51fd\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u63a5\u6536\u4e00\u4e2a func(context) \u7c7b\u578b\u7684\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a gin.handlrfunc\u3002gin.handlrfunc \u662f\u4e00\u4e2a\u51fd\u6570\u7c7b\u578b\uff0c\u7528\u4e8e\u5904\u7406 http \u8bf7\u6c42\u3002<\/p>\n
\u5728 newextendcontext \u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u95ed\u5305\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684 context \u5b9e\u4f8b\u3002\u7136\u540e\uff0c\u6211\u4eec\u8c03\u7528 fn \u51fd\u6570\uff0c\u5e76\u5c06 context \u5b9e\u4f8b\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\u3002\u8fd9\u6837\uff0cfn \u51fd\u6570\u5c31\u53ef\u4ee5\u8bbf\u95ee\u548c\u4fee\u6539\u81ea\u5b9a\u4e49\u7684 context \u4e86\u3002<\/p>\n
\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684 context handler<\/strong><\/p>\n
\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684 context handler \u6765\u5904\u7406 http \u8bf7\u6c42\u3002<\/p>\n
func hello(ctx Context) {\n    ctx.Hello()\n}\n\napp.Get(\"\/hello\", NewExtendContext(hello))<\/pre>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a hello \u51fd\u6570\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a context \u7c7b\u578b\u7684\u53c2\u6570\u3002\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u8c03\u7528\u4e86 hello \u65b9\u6cd5\u3002<\/p>\n
\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 newextendcontext \u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684 context handler\uff0c\u5e76\u5c06 hello \u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\u3002\u6700\u540e\uff0c\u6211\u4eec\u5c06\u8fd9\u4e2a context handler \u6ce8\u518c\u5230\u4e86 gin \u7684\u8def\u7531 \/hello \u4e0a\u3002<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u6210\u529f\u5730\u6269\u5c55 gin context \u5e76\u81ea\u5b9a\u4e49\u54cd\u5e94\u65b9\u6cd5\u3002\u8fd9\u8ba9\u6211\u4eec\u80fd\u591f\u6839\u636e\u4e0d\u540c\u7684\u4e1a\u52a1\u573a\u666f\u7075\u6d3b\u5730\u4fee\u6539\u54cd\u5e94\u4fe1\u606f\u3002<\/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\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n
\n
\n <\/dt>\n
\n   \u4e3a\u4ec0\u4e48JS\u65e0\u6cd5\u83b7\u53d6\u7528\u6237\u7535\u8111\u786c\u4ef6\u4fe1\u606f\uff0c\u800cCS\u8f6f\u4ef6\u5374\u53ef\u4ee5\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
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