Warning: mysqli_connect(): (HY000/2002): ����Ŀ����������ܾ����޷����ӡ� in D:\phpstudy_pro\WWW\ys.98782yx.com\system\conn.php on line 9

Warning: mysqli_select_db() expects parameter 1 to be mysqli, bool given in D:\phpstudy_pro\WWW\ys.98782yx.com\system\conn.php on line 10

Warning: mysqli_query() expects parameter 1 to be mysqli, bool given in D:\phpstudy_pro\WWW\ys.98782yx.com\system\conn.php on line 11