Warning: mysqli_connect(): MySQL server has gone away in D:\wwwroot\mychway_core\www.mychway.com\core\mysql\mysql.class.php on line 36

Warning: mysqli_connect(): Error while reading greeting packet. PID=2688 in D:\wwwroot\mychway_core\www.mychway.com\core\mysql\mysql.class.php on line 36

Warning: mysqli_connect(): (HY000/2006): MySQL server has gone away in D:\wwwroot\mychway_core\www.mychway.com\core\mysql\mysql.class.php on line 36
数据库连接失败

Warning: mysqli_errno() expects parameter 1 to be mysqli, boolean given in D:\wwwroot\mychway_core\www.mychway.com\core\mysql\mysql.class.php on line 40
错误编码

Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in D:\wwwroot\mychway_core\www.mychway.com\core\mysql\mysql.class.php on line 41
错误信息