{"id":200183,"date":"2025-05-06T11:48:39","date_gmt":"2025-05-06T03:48:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200183\/"},"modified":"2025-05-06T11:48:39","modified_gmt":"2025-05-06T03:48:39","slug":"golang-%e4%bd%bf%e7%94%a8-mysql-%e5%92%8c-gin-%e6%97%b6%e5%87%ba%e7%8e%b0%e5%86%85%e5%ad%98%e9%94%99%e8%af%af%ef%bc%9a%e5%85%b3%e9%97%ad%e8%af%ad%e5%8f%a5%e5%90%8e%e4%bb%8d%e4%bd%bf%e7%94%a8%e5%ae%83","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200183\/","title":{"rendered":"Golang \u4f7f\u7528 MySQL \u548c Gin \u65f6\u51fa\u73b0\u5185\u5b58\u9519\u8bef\uff1a\u5173\u95ed\u8bed\u53e5\u540e\u4ecd\u4f7f\u7528\u5b83\u4f1a\u5bfc\u81f4\u4ec0\u4e48\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Golang \u4f7f\u7528 MySQL \u548c Gin \u65f6\u51fa\u73b0\u5185\u5b58\u9519\u8bef\uff1a\u5173\u95ed\u8bed\u53e5\u540e\u4ecd\u4f7f\u7528\u5b83\u4f1a\u5bfc\u81f4\u4ec0\u4e48\u95ee\u9898\uff1f<\/h1>\n<p>\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6574\u7406\u5206\u4eab\u300aGolang \u4f7f\u7528 MySQL \u548c Gin \u65f6\u51fa\u73b0\u5185\u5b58\u9519\u8bef\uff1a\u5173\u95ed\u8bed\u53e5\u540e\u4ecd\u4f7f\u7528\u5b83\u4f1a\u5bfc\u81f4\u4ec0\u4e48\u95ee\u9898\uff1f\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730018386671dfc52ac688.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>golang \u4e2d\u4f7f\u7528 mysql \u548c gin \u65f6\u9047\u5230\u5185\u5b58\u9519\u8bef<\/strong><\/p>\n<p>\u5728 golang \u9879\u76ee\u4e2d\u9047\u5230\u4e86\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n<pre>panic recovered: runtime 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)<\/pre>\n<p>\u6000\u7591\u662f\u56e0\u4e3a\u4f7f\u7528\u4e86 mysql \u9a71\u52a8\u4e2d\u7684 stmt.exec \u800c\u6ca1\u6709\u4f7f\u7528 stmt.execcontext\uff0c\u4f46\u7b54\u6848\u8868\u660e\u95ee\u9898\u51fa\u5728\u522b\u5904\u3002<\/p>\n<p><strong>\u6b63\u786e\u7b54\u6848\uff1a<\/strong><\/p>\n<p>\u7b54\u6848\u6307\u51fa\uff0c\u5728\u5173\u95ed\u8bed\u53e5\uff08stmt\uff09\u540e\u4ecd\u5728\u4f7f\u7528\u5b83\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u9519\u8bef\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGolang \u4f7f\u7528 MySQL \u548c Gin \u65f6\u51fa\u73b0\u5185\u5b58\u9519\u8bef\uff1a\u5173\u95ed\u8bed\u53e5\u540e\u4ecd\u4f7f\u7528\u5b83\u4f1a\u5bfc\u81f4\u4ec0\u4e48\u95ee\u9898\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Golang \u4f7f\u7528 MySQL &#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":[101],"tags":[],"class_list":["post-200183","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200183","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=200183"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200183\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200183"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}