{"id":206089,"date":"2025-06-12T13:03:12","date_gmt":"2025-06-12T05:03:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206089\/"},"modified":"2025-06-12T13:03:12","modified_gmt":"2025-06-12T05:03:12","slug":"go%e3%80%81mysql%e3%80%81gin-%e6%a1%86%e6%9e%b6%e4%b8%8b%e5%87%ba%e7%8e%b0%e6%97%a0%e6%95%88%e5%86%85%e5%ad%98%e5%9c%b0%e5%9d%80%e6%88%96%e7%a9%ba%e6%8c%87%e9%92%88%e5%bc%95%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206089\/","title":{"rendered":"Go\u3001Mysql\u3001Gin \u6846\u67b6\u4e0b\u51fa\u73b0\u201c\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u201d\u5f02\u5e38\uff0c\u5982\u4f55\u6392\u67e5\uff1f"},"content":{"rendered":"<p>\u600e\u4e48\u5165\u95e8GOLANG\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762GOLANG\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aGo\u3001Mysql\u3001Gin \u6846\u67b6\u4e0b\u51fa\u73b0\u201c\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u201d\u5f02\u5e38\uff0c\u5982\u4f55\u6392\u67e5\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241103\/17305920186726bd1262908.jpg\" class=\"aligncenter\">,<br \/>\n<strong>go\u3001mysql\u3001gin \u8fd0\u884c\u5f02\u5e38\u5206\u6790<\/strong>,\u95ee\u9898\u63cf\u8ff0\uff1a\u5728\u4f7f\u7528 go\u3001mysql \u548c gin \u6846\u67b6\u65f6\uff0c\u51fa\u73b0\u5982\u4e0b\u5f02\u5e38\uff1a,\u95ee\u9898\u5206\u6790\uff1a,\u8be5\u5f02\u5e38\u8868\u660e\u6267\u884c sql \u8bed\u53e5\u65f6\u9047\u5230\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u9519\u8bef\u3002\u95ee\u9898\u53ef\u80fd\u662f\u7531\u4e8e\u5728\u4f7f\u7528<br \/>\n<strong>prepare<\/strong> \u83b7\u53d6 stmt \u540e\uff0cstmt \u88ab\u5173\u95ed\u4f46\u4ecd\u5728\u4f7f\u7528\u3002,\u56de\u7b54\uff1a,\u51c6\u5907\u9636\u6bb5\u83b7\u53d6\u7684 stmt \u5728\u4f7f\u7528\u540e\u672a\u6b63\u786e\u5173\u95ed\uff0c\u5bfc\u81f4\u51fa\u73b0\u65e0\u6548\u7684\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u5f02\u5e38\u3002\u5efa\u8bae\u5728\u4f7f\u7528 stmt \u540e\u53ca\u65f6\u5173\u95ed\uff0c\u4ee5\u907f\u514d\u6b64\u7c7b\u95ee\u9898\u3002,\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGo\u3001Mysql\u3001Gin \u6846\u67b6\u4e0b\u51fa\u73b0\u201c\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u201d\u5f02\u5e38\uff0c\u5982\u4f55\u6392\u67e5\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01,go\u3001mysql\u3001gin \u8fd0\u884c\u5f02\u5e38\u5206\u6790,\u600e\u4e48\u5165\u95e8GOLANG\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762GOLANG\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aGo\u3001Mysql\u3001Gin \u6846\u67b6\u4e0b\u51fa\u73b0\u201c\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u201d\u5f02\u5e38\uff0c\u5982\u4f55\u6392\u67e5\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Go\u3001Mysql\u3001Gin \u6846\u67b6\u4e0b\u51fa\u73b0\u201c\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u201d\u5f02\u5e38\uff0c\u5982\u4f55\u6392\u67e5\uff1f<\/span><\/p>\n<h1>Go\u3001Mysql\u3001Gin \u6846\u67b6\u4e0b\u51fa\u73b0\u201c\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u201d\u5f02\u5e38\uff0c\u5982\u4f55\u6392\u67e5\uff1f<\/h1>\n<p><span>2024-11-03 08:00:33<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u600e\u4e48\u5165\u95e8GOLANG\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762GOLANG\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aGo\u3001Mysql\u3001Gin \u6846\u67b6\u4e0b\u51fa\u73b0\u201c\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u201d\u5f02\u5e38\uff0c\u5982\u4f55\u6392\u67e5\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241103\/17305920186726bd1262908.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>go\u3001mysql\u3001gin \u8fd0\u884c\u5f02\u5e38\u5206\u6790<\/strong><\/p>\n<p>\u95ee\u9898\u63cf\u8ff0\uff1a\u5728\u4f7f\u7528 go\u3001mysql \u548c gin \u6846\u67b6\u65f6\uff0c\u51fa\u73b0\u5982\u4e0b\u5f02\u5e38\uff1a<\/p>\n<pre>2021\/10\/22 09:50:49 [Recovery] 2021\/10\/22 - 09:50:49 panic recovered:\nruntime error: invalid memory address or nil pointer dereference\n\/snap\/go\/8489\/src\/runtime\/panic.go:221 (0x44a446)\n        panicmem: panic(memoryError)\n\/snap\/go\/8489\/src\/runtime\/signal_unix.go:735 (0x44a416)\n        sigpanic: panicmem()\n\/snap\/go\/8489\/src\/database\/sql\/sql.go:2578 (0x4f30c2)\n        (*Stmt).ExecContext: s.closemu.RLock()\n\/snap\/go\/8489\/src\/database\/sql\/sql.go:2610 (0x840fd4)\n        (*Stmt).Exec: return s.ExecContext(context.Background(), args...)\n\/root\/onlineUsers\/hello.go:63 (0x840f36)\n        main.func1: _, err = stmt.Exec(req.IdCode, c.Request.RemoteAddr)\n\/root\/go\/pkg\/mod\/github.com\/gin-gonic\/gin@v1.7.4\/context.go:165 (0x81e7e1)\n        (*Context).Next: c.handlers[c.index](c)\n\/root\/go\/pkg\/mod\/github.com\/gin-gonic\/gin@v1.7.4\/recovery.go:99 (0x81e7cc)\n        CustomRecoveryWithWriter.func1: c.Next()\n\/root\/go\/pkg\/mod\/github.com\/gin-gonic\/gin@v1.7.4\/context.go:165 (0x81d69d)\n        (*Context).Next: c.handlers[c.index](c)\n\/root\/go\/pkg\/mod\/github.com\/gin-gonic\/gin@v1.7.4\/gin.go:489 (0x81d325)\n        (*Engine).handleHTTPRequest: c.Next()\n\/root\/go\/pkg\/mod\/github.com\/gin-gonic\/gin@v1.7.4\/gin.go:445 (0x81ce84)\n        (*Engine).ServeHTTP: engine.handleHTTPRequest(c)\n\/snap\/go\/8489\/src\/net\/http\/server.go:2878 (0x674e1a)\n        serverHandler.ServeHTTP: handler.ServeHTTP(rw, req)\n\/snap\/go\/8489\/src\/net\/http\/server.go:1929 (0x6704c7)\n        (*conn).serve: serverHandler{c.server}.ServeHTTP(w, w.req)\n\/snap\/go\/8489\/src\/runtime\/asm_amd64.s:1581 (0x464a60)\n        goexit: BYTE    $0x90   \/\/ NOP<\/pre>\n<p>\u95ee\u9898\u5206\u6790\uff1a<\/p>\n<p>\u8be5\u5f02\u5e38\u8868\u660e\u6267\u884c sql \u8bed\u53e5\u65f6\u9047\u5230\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u9519\u8bef\u3002\u95ee\u9898\u53ef\u80fd\u662f\u7531\u4e8e\u5728\u4f7f\u7528 <strong>prepare<\/strong> \u83b7\u53d6 stmt \u540e\uff0cstmt \u88ab\u5173\u95ed\u4f46\u4ecd\u5728\u4f7f\u7528\u3002<\/p>\n<p>\u56de\u7b54\uff1a<\/p>\n<p>\u51c6\u5907\u9636\u6bb5\u83b7\u53d6\u7684 stmt \u5728\u4f7f\u7528\u540e\u672a\u6b63\u786e\u5173\u95ed\uff0c\u5bfc\u81f4\u51fa\u73b0\u65e0\u6548\u7684\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u5f02\u5e38\u3002\u5efa\u8bae\u5728\u4f7f\u7528 stmt \u540e\u53ca\u65f6\u5173\u95ed\uff0c\u4ee5\u907f\u514d\u6b64\u7c7b\u95ee\u9898\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGo\u3001Mysql\u3001Gin \u6846\u67b6\u4e0b\u51fa\u73b0\u201c\u65e0\u6548\u5185\u5b58\u5730\u5740\u6216\u7a7a\u6307\u9488\u5f15\u7528\u201d\u5f02\u5e38\uff0c\u5982\u4f55\u6392\u67e5\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u4f7f\u7528 El-table \u5408\u5e76\u6570\u636e\uff0c\u6ee1\u8db3\u8bc9\u6c42\u7c7b\u578b\u548c\u5229\u7528\u7387\u7684\u7279\u6b8a\u5408\u5e76\u8981\u6c42\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u4e0b\u4e00\u4e2ajs 15\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u600e\u4e48\u5165\u95e8GOLANG\u7f16\u7a0b\uff1f\u9700\u8981\u5b66&#46;&#46;&#46;<\/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-206089","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206089","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=206089"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206089\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}