Warning: mysqli_connect(): (HY000/1045): Access denied for user ''@'localhost' (using password: NO) in /home/www/xab/template/conn.php on line 9

Warning: mysqli_query() expects parameter 1 to be mysqli, bool given in /home/www/xab/template/conn.php on line 10
数据库连接失败: Access denied for user ''@'localhost' (using password: NO)