php登录注册功能

Question

之前的fatal error问题解决了是数据库有问题，但是无论输入什么总是直接跳到这个页面。。。按理来说应该不会跳转登录成功页面啊。。？

下面是DB.php。

下面是login.php。

Answer 1

The fatal error has been resolved. . . . . It seems to be a problem with mysql (ι´Д｀)ﾉ. . . . . http://blog.csdn.net/u0127302...
Using this method to solve the database problem. . .

After many days of query and research, I found out why there was no data response. . .
Because my php couldn't get the data transmitted by post for some reason. Later, it was solved by changing it to get. As for the post issue, it is still under study. . . . . . .

Answer 2

Please take a screenshot of the entire file

Answer 3

$nameParam = null;
$passwordParam = null;
What is going on?