{"id":58167,"date":"2025-08-16T06:00:13","date_gmt":"2025-08-15T22:00:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/58167.html"},"modified":"2025-08-16T06:00:13","modified_gmt":"2025-08-15T22:00:13","slug":"go%e8%af%ad%e8%a8%80%e5%ae%9e%e6%88%98%e6%a1%88%e4%be%8b%e8%bf%9e%e6%8e%a5mysql%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/58167.html","title":{"rendered":"Go\u8bed\u8a00\u5b9e\u6218\u6848\u4f8b:\u8fde\u63a5MySQL\u6570\u636e\u5e93"},"content":{"rendered":"<\/p>\n<p>\u5728\u540e\u7aef\u5f00\u53d1\u4e2d&#xff0c;MySQL \u662f\u6700\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e4b\u4e00\u3002Go \u8bed\u8a00\u901a\u8fc7\u5b98\u65b9\u7684\u00a0database\/sql\u00a0\u5305\u548c MySQL \u9a71\u52a8&#xff0c;\u53ef\u4ee5\u65b9\u4fbf\u5730\u4e0e MySQL 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\/>\n\u00a0\u00a0\u00a0\u00a0db,\u00a0err\u00a0:&#061;\u00a0sql.Open(&#034;mysql&#034;,\u00a0dsn)<br \/>\n\u00a0\u00a0\u00a0\u00a0if\u00a0err\u00a0!&#061;\u00a0nil\u00a0{<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0log.Fatalf(&#034;\u8fde\u63a5\u6570\u636e\u5e93\u5931\u8d25:\u00a0%v&#034;,\u00a0err)<br \/>\n\u00a0\u00a0\u00a0\u00a0}<br \/>\n\u00a0\u00a0\u00a0\u00a0defer\u00a0db.Close()<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\/\/\u00a03.\u00a0\u6d4b\u8bd5\u8fde\u63a5\u662f\u5426\u53ef\u7528<br \/>\n\u00a0\u00a0\u00a0\u00a0if\u00a0err\u00a0:&#061;\u00a0db.Ping();\u00a0err\u00a0!&#061;\u00a0nil\u00a0{<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0log.Fatalf(&#034;\u65e0\u6cd5\u8fde\u63a5\u5230\u6570\u636e\u5e93:\u00a0%v&#034;,\u00a0err)<br \/>\n\u00a0\u00a0\u00a0\u00a0}<br 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\/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if\u00a0err\u00a0:&#061;\u00a0rows.Scan(&amp;id,\u00a0&amp;name,\u00a0&amp;age);\u00a0err\u00a0!&#061;\u00a0nil\u00a0{<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0log.Fatalf(&#034;\u8bfb\u53d6\u6570\u636e\u5931\u8d25:\u00a0%v&#034;,\u00a0err)<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0fmt.Printf(&#034;\u7528\u6237ID:%d,\u00a0\u59d3\u540d:%s,\u00a0\u5e74\u9f84:%d\\\\n&#034;,\u00a0id,\u00a0name,\u00a0age)<br \/>\n\u00a0\u00a0\u00a0\u00a0}<br \/>\n}<\/p>\n<hr \/>\n<h3>\u56db\u3001\u8fd0\u884c\u7ed3\u679c<\/h3>\n<p>\u5047\u8bbe\u6211\u4eec\u5df2\u7ecf\u542f\u52a8\u4e86 MySQL \u5e76\u4e14\u6570\u636e\u5df2\u63d2\u5165&#xff0c;\u6267\u884c&#xff1a;<\/p>\n<p>go\u00a0run\u00a0main.go<\/p>\n<p>\u8f93\u51fa&#xff1a;<\/p>\n<p>\u6210\u529f\u8fde\u63a5\u5230\u00a0MySQL\u00a0\u6570\u636e\u5e93&#xff01;<br \/>\n\u7528\u6237ID:1,\u00a0\u59d3\u540d:Alice,\u00a0\u5e74\u9f84:25<br \/>\n\u7528\u6237ID:2,\u00a0\u59d3\u540d:Bob,\u00a0\u5e74\u9f84:30<\/p>\n<hr \/>\n<h3>\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/h3>\n<li>1.\u00a0DSN \u683c\u5f0f<br \/>\nusername:password&#064;tcp(host:port)\/dbname?charset&#061;utf8mb4&amp;parseTime&#061;True&amp;loc&#061;Local<\/p>\n<ul>\n<li>\u2022\u00a0parseTime&#061;True\u00a0\u8ba9 MySQL \u65e5\u671f\u7c7b\u578b\u81ea\u52a8\u89e3\u6790\u4e3a\u00a0time.Time\u3002<\/li>\n<li>\u2022\u00a0charset&#061;utf8mb4\u00a0\u652f\u6301 Emoji \u7b49\u591a\u5b57\u8282\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n<li>2.\u00a0\u8fde\u63a5\u6c60\u8bbe\u7f6e<br \/>\n\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u5e94\u8bbe\u7f6e\u8fde\u63a5\u6c60&#xff1a;<\/p>\n<p>db.SetMaxOpenConns(10)\u00a0\/\/\u00a0\u6700\u5927\u8fde\u63a5\u6570<br \/>\ndb.SetMaxIdleConns(5)\u00a0\u00a0\/\/\u00a0\u6700\u5927\u7a7a\u95f2\u8fde\u63a5\u6570\n<\/li>\n<li>3.\u00a0\u9519\u8bef\u5904\u7406<br 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