Fatal error: Uncaught Error: Call to undefined function mysql_connect() in E:\wwwroot\hzec.edu.cn\e\class\db\db_mysql.php:15 Stack trace: #0 E:\wwwroot\hzec.edu.cn\e\class\connect.php(156): do_dbconnect('localhost', '', 'hzcollegecom', 'Hzec2018', 'hzcollegecom') #1 E:\wwwroot\hzec.edu.cn\e\public\ViewClick\index.php(4): db_connect() #2 {main} thrown in E:\wwwroot\hzec.edu.cn\e\class\db\db_mysql.php on line 15