Fatal error: Uncaught Error: Call to undefined function mysql_connect() in D:\wwwroot\wangyeba.net\uploads\js\yanshier\jiaoben4345\mysql.class.php:52 Stack trace: #0 D:\wwwroot\wangyeba.net\uploads\js\yanshier\jiaoben4345\mysql.class.php(41): Mysql->connect() #1 D:\wwwroot\wangyeba.net\uploads\js\yanshier\jiaoben4345\index.php(7): Mysql->__construct() #2 {main} thrown in D:\wwwroot\wangyeba.net\uploads\js\yanshier\jiaoben4345\mysql.class.php on line 52