Warning: mysqli_connect(): (HY000/1040): Too many connections in /site/www/wwwroot/ikanju/Mysql.php on line 39
数据库连接失败

Warning: mysqli_errno() expects parameter 1 to be mysqli, bool given in /site/www/wwwroot/ikanju/Mysql.php on line 42
错误编码

Warning: mysqli_error() expects parameter 1 to be mysqli, bool given in /site/www/wwwroot/ikanju/Mysql.php on line 43
错误信息