Fatal error: Uncaught Error: Call to undefined function mysql_connect() in D:\WEB\online-gzqidun-cn\htdocs\e\class\connect.php:98 Stack trace: #0 D:\WEB\online-gzqidun-cn\htdocs\e\web\index.php(7): db_connect() #1 {main} thrown in D:\WEB\online-gzqidun-cn\htdocs\e\class\connect.php on line 98