PHP develops simple book background management system password change function

We completed the administrator password modification page in the previous section

This section will implement this function

##Need to give ;Add an onClick event

Use javascript to determine the original password, new password, and confirm the new password. All of them must be empty. The new password and the confirmed password must be consistent.

Use the database SQL statement to query whether the original password entered matches the password filled in the text box

If the match is successful, the modification function of the SQL statement will be used to modify the password in the database After the password

is successfully modified, return to the login page and log in again using the new password.

alert('修改成功,请重新进行登陆！');window.location='login.php'"; exit(); } else ?>