Discuz registration must-read: How to change username and password

Discuz registration must read: How to change username and password, specific code examples are required

Discuz is a very popular forum program, many Websites are choosing to use it to build their online communities. When registering with Discuz, sometimes we need to change the username and password. This article will introduce in detail how to change the username and password in Discuz, and provide specific code examples for your reference.

Modify user name

Modifying the user name in Discuz requires database operations. First, we need to find the data table corresponding to the user in the database, generally the table prefixed with "pre_common_member". Then, we can modify the user name through SQL statements. The specific steps are as follows:

1. Log in to the database management tool and find the corresponding data table;
2. Use SQL statements to modify the user name, for example ：UPDATE pre_common_member SET username='new_username' WHERE uid='User ID';

In the above statement, replace new_username with the new one Username, User ID is replaced with the ID of the corresponding user. Execute this SQL statement to successfully modify the user name.

Change Password

Similarly, changing the password also requires database operations. The specific steps are as follows:

1. Find the corresponding data table;
2. Use encryption algorithms such as MD5 to encrypt the new password;
3. Use SQL statements to modify the password, for example: UPDATE pre_common_member SET password='Encrypted new password' WHERE uid='User ID';

In the above statement, encrypted new password is replaced with the encryption result of the new password, and user ID is replaced with the ID of the corresponding user. Execute this SQL statement to successfully change the password.

Code example

Next, we provide a simple PHP code example to modify the username and password of the Discuz user:

<?php
require_once 'source/class/class_core.php';
$discuz = C::app();
$discuz->init();

$uid = 1; // 用户ID
$new_username = 'new_username'; // 新用户名
$new_password = md5('new_password'); // 新密码加密

C::t('common_member')->update($uid, array('username' => $new_username));
C::t('common_member')->update($uid, array('password' => $new_password));

In the above code example, we use Discuz Use the C::t() method to perform database operations, and use the update method to modify the user name and password respectively.

Conclusion

Through the introduction of this article, I believe that everyone has understood how to modify the user name and password in Discuz, and has mastered the specific code examples. When operating, be sure to back up your data to avoid unnecessary losses. I hope this article can be helpful to everyone, thank you for reading!

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