Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; smail has a deprecated constructor in /www/wwwroot/xy-pcb.com/include/email.class.php on line 5

出错啦！

出错啦！
出错文件：root/include/db.class.php
出错行数：213
错误信息：mysqli_error() expects exactly 1 parameter, 0 given
错误级别：2