PHP5.4版本dedecms后台退出空白的解决方法

解决办法：

打开include/userlogin.class.php

找到

1. functionexitUser()
2. {
3. ClearMyAddon();
4. @session_unregister($this->keepUserIDTag);
5. @session_unregister($this->keepUserTypeTag);
6. @session_unregister($this->keepUserChannelTag);
7. @session_unregister($this->keepUserNameTag);
8. @session_unregister($this->keepUserPurviewTag);
9. DropCookie('dedeAdmindir');
10. DropCookie('DedeUserID');
11. DropCookie('DedeLoginTime');
12. $_SESSION=array();
13. }

替换为：

1. functionexitUser()
2. {
3. ClearMyAddon();
4. #@session_unregister($this->keepUserIDTag);
5. $_SESSION[$this->keepUserIDTag]=$this->userID;
6. #@session_unregister($this->keepUserTypeTag);
7. $_SESSION[$this->keepUserTypeTag]=$this->userType;
8. #@session_unregister($this->keepUserChannelTag);
9. $_SESSION[$this->keepUserChannelTag]=$this->userChannel;
10. #@session_unregister($this->keepUserNameTag);
11. $_SESSION[$this->keepUserNameTag]=$this->userName;
12. #@session_unregister($this->keepUserPurviewTag);
13. $_SESSION[$this->keepUserPurviewTag]=$this->userPurview;
14. DropCookie('dedeAdmindir');
15. DropCookie('DedeUserID');
16. DropCookie('DedeLoginTime');
17. $_SESSION=array();
18. }

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