Fatal error: Uncaught Error: Call to undefined function mysql_connect() in D:\wwwroot\wangyeba.net\uploads\js\yanshi\jiaoben994\example03\config.php:13 Stack trace: #0 D:\wwwroot\wangyeba.net\uploads\js\yanshi\jiaoben994\example03\index.php(3): include() #1 {main} thrown in D:\wwwroot\wangyeba.net\uploads\js\yanshi\jiaoben994\example03\config.php on line 13