Fatal error: Uncaught Error: Call to undefined function mysql_connect() in C:\wwwroot\gdyshi.weipx.cn\include\db_mysql.inc.php:73 Stack trace: #0 C:\wwwroot\gdyshi.weipx.cn\include\dbconnect.php(9): MySQL_DB_Sql->connect() #1 C:\wwwroot\gdyshi.weipx.cn\html\teaching\student_detail.php(6): include_once('C:\\wwwroot\\gdys...') #2 {main} thrown in C:\wwwroot\gdyshi.weipx.cn\include\db_mysql.inc.php on line 73