Warning: mysqli_connect(): (HY000/2002): Connection refused in /www/wwwroot/www.enuob2b.com/configs/mysqli/mysqli.php on line 31
数据库连接失败

Warning: mysqli_errno() expects parameter 1 to be mysqli, boolean given in /www/wwwroot/www.enuob2b.com/configs/mysqli/mysqli.php on line 34
错误编码

Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in /www/wwwroot/www.enuob2b.com/configs/mysqli/mysqli.php on line 35
错误信息