Discuz can't log in to the backend? These 5 tips will help you solve it!

Discuz cannot log in to the backend? These 5 tips will help you solve it!

When using Discuz, it is quite common to encounter the problem of being unable to log in to the backend. This may cause the administrator to be unable to manage the website and bring inconvenience to the website operation. However, don’t worry, below I will share five tips to help you solve the problem of Discuz being unable to log in to the backend, and provide specific code examples.

1. Clear the browser cache and cookies

Sometimes the inability to log in to the Discuz backend may be caused by issues with the browser cache or cookies. The solution is to clear the browser cache and cookies, let the browser reload the page and log in to the background.

// 清空浏览器缓存
localStorage.clear();
// 清空Cookie
document.cookie.split(";").forEach(function(c) { document.cookie = c.replace(/^ +/, "").replace(/=.*/, "=;expires=" + new Date().toUTCString() + ";path=/"); });

2. Check the config file configuration

Make sure that the Discuz config file is configured correctly, especially the database connection information, site URL, etc. Check whether the config file is missing or misconfigured, which may result in the inability to log in to the backend.

// config文件路径
$config_path = 'config/config_global.php';

// 检查数据库配置
$db_config = include($config_path);
print_r($db_config);

3. Reset the backend administrator password

If you cannot log in to the backend because you have forgotten the administrator password, you can solve the problem by resetting the password.

// 重置管理员密码
UPDATE `pre_common_member` SET `password` = md5('new_password') WHERE `uid` = 1;

4. Check the server permission settings

Make sure the server permissions are set correctly, including read and write permissions for folders and files. If the permission settings are incorrect, it may cause the problem of being unable to log in to the backend.

# 设置文件夹权限
chmod -R 755 /path/to/your/discuz/folder
# 设置文件权限
chmod 644 /path/to/your/discuz/config/config_ucenter.php

5. Check the background access address settings

Finally, check whether the background access address settings are correct. Sometimes it may be that the access address setting is incorrect, resulting in the inability to log in to the backend.

// 检查后台访问地址
$admin_url = 'admin.php';

The above are five methods to solve the problem that Discuz cannot log in to the backend. I hope it can help you solve the problem. If the above method still cannot solve the problem, it is recommended to contact Discuz official technical support or check the official documentation for help. I hope you can solve the problem as soon as possible and resume normal operation of the website!

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