{"id":6551,"date":"2024-09-19T14:56:31","date_gmt":"2024-09-19T06:56:31","guid":{"rendered":"https:\/\/t.n-years.com\/?p=6551"},"modified":"2024-09-19T14:56:31","modified_gmt":"2024-09-19T06:56:31","slug":"gin-%e6%8d%95%e6%8d%89%e5%88%b0-http-%e8%af%b7%e6%b1%82%e6%9c%9f%e9%97%b4%e5%8f%91%e7%94%9f%e7%9a%84-panic-%e5%b9%b6%e8%bf%9b%e8%a1%8c%e6%81%a2%e5%a4%8d%e6%80%8e%e4%b9%88%e5%81%9a%e5%88%b0%e7%9a%84","status":"publish","type":"post","link":"https:\/\/t.n-years.com\/?p=6551","title":{"rendered":"Gin \u6355\u6349\u5230 HTTP \u8bf7\u6c42\u671f\u95f4\u53d1\u751f\u7684 panic \u5e76\u8fdb\u884c\u6062\u590d\u600e\u4e48\u505a\u5230\u7684"},"content":{"rendered":"
\n

\u975e\u539f\u521b\u3001ChatGPT \u95ee\u7b54\u751f\u6210<\/p>\n<\/blockquote>\n

Gin \u80fd\u6355\u6349\u5230 HTTP \u8bf7\u6c42\u671f\u95f4\u53d1\u751f\u7684 panic \u5e76\u8fdb\u884c\u6062\u590d\uff0c\u8fd9\u4e3b\u8981\u662f\u901a\u8fc7\u4f7f\u7528 Go \u7684\u5185\u7f6e recover()<\/code> \u51fd\u6570\u548c Gin \u7684\u4e2d\u95f4\u4ef6\u673a\u5236\u6765\u5b9e\u73b0\u7684\u3002\u5982\u679c\u4f60\u60f3\u770b\u6e90\u7801\uff0c\u53ef\u4ee5\u5173\u6ce8 Gin \u7684\u9519\u8bef\u5904\u7406\u4e2d\u95f4\u4ef6\u90e8\u5206\u3002<\/p>\n

\u5177\u4f53\u6765\u8bf4\uff0c\u53ef\u4ee5\u53c2\u8003 gin\/recovery.go<\/code> \u6587\u4ef6\uff0c\u8be5\u6587\u4ef6\u4e2d\u5b9e\u73b0\u4e86\u4e00\u4e2a Recovery<\/code> \u4e2d\u95f4\u4ef6\uff0c\u80fd\u591f\u6355\u83b7\u5e94\u7528\u4e2d\u7684 panic\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a HTTP \u54cd\u5e94\u800c\u4e0d\u662f\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002<\/p>\n

\u6838\u5fc3\u6b65\u9aa4\uff1a<\/h3>\n
    \n
  1. \n

    \u4e2d\u95f4\u4ef6\u7684\u5b9a\u4e49<\/strong>
    \n\u5728 Gin \u4e2d\u95f4\u4ef6\u673a\u5236\u4e2d\uff0cRecovery<\/code> \u4e2d\u95f4\u4ef6\u901a\u8fc7 defer<\/code> \u548c recover<\/code> \u6355\u6349 panic\u3002<\/p>\n

    \u4f8b\u5982\uff0cRecovery<\/code> \u4e2d\u95f4\u4ef6\u4f7f\u7528 defer<\/code> \u5305\u88f9\u4e86\u6574\u4e2a HTTP \u8bf7\u6c42\u5904\u7406\u8fc7\u7a0b\uff1a<\/p>\n

    func Recovery() HandlerFunc {\n   return func(c *Context) {\n       defer func() {\n           if err := recover(); err != nil {\n               \/\/ \u9519\u8bef\u5904\u7406\u903b\u8f91\n               c.AbortWithStatus(http.StatusInternalServerError)\n           }\n       }()\n\n       \/\/ \u7ee7\u7eed\u6267\u884c\u8bf7\u6c42\u5904\u7406\n       c.Next()\n   }\n}<\/code><\/pre>\n<\/li>\n
  2. \n
    \u6355\u83b7 panic \u5e76\u6062\u590d<\/strong>
    \n\u5728 defer<\/code> \u4e2d\uff0c\u8c03\u7528\u4e86 recover()<\/code> \u51fd\u6570\u6765\u6355\u83b7 panic\u3002\u5982\u679c\u6355\u83b7\u5230 panic\uff0crecover()<\/code> \u8fd4\u56de\u4e00\u4e2a\u975e nil \u7684\u503c\uff0c\u4ee3\u8868\u6355\u83b7\u5230\u4e86\u9519\u8bef\u3002\u968f\u540e\uff0cGin \u4f1a\u8c03\u7528 AbortWithStatus()<\/code> \u6216\u5176\u4ed6\u81ea\u5b9a\u4e49\u903b\u8f91\u6765\u505c\u6b62\u5f53\u524d\u8bf7\u6c42\u7684\u5904\u7406\uff0c\u5e76\u8fd4\u56de\u9519\u8bef\u54cd\u5e94\u3002<\/p>\n<\/li>\n
  3. \n
    \u4e2d\u95f4\u4ef6\u6267\u884c\u987a\u5e8f<\/strong>
    \n\u5728 Gin \u7684\u6846\u67b6\u4e2d\uff0c\u4e2d\u95f4\u4ef6\u6309\u987a\u5e8f\u6267\u884c\uff0c\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u4f1a\u7ecf\u8fc7 Recovery<\/code> \u4e2d\u95f4\u4ef6\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u786e\u4fdd\u5728\u8bf7\u6c42\u5904\u7406\u7684\u4efb\u4f55\u65f6\u5019\u53d1\u751f panic\uff0c\u90fd\u4f1a\u88ab\u6355\u6349\u5230\u3002<\/p>\n<\/li>\n<\/ol>\n
    \u5173\u952e\u6587\u4ef6\u548c\u51fd\u6570\uff1a<\/h3>\n