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今天安装dedecms5.7 utf8 full版 登陆后台后空白。

我使用的是WAMPSERVER2.2 环境。

郁闷。。。。

查找原因。找到一篇文章，照文章操作后，问题解决，记录如下：

登陆dedemcs后台输入用户名和密码后没有提示显示为空白，主要原为是php5.4的版本废除了session_register函数
可以采用如$_SESSION[$this->keepUserIDTag] = $this->userID; 这种方式处理完整代码如下：

首先打开 include/userlogin.class.php这个文件，在287行到308行原内容如下：

@session_register($this->keepUserIDTag);     
$_SESSION[$this->keepUserIDTag] = $this->userID;     
@session_register($this->keepUserTypeTag);     
$_SESSION[$this->keepUserTypeTag] = $this->userType;     
@session_register($this->keepUserChannelTag);     
$_SESSION[$this->keepUserChannelTag] = $this->userChannel;     
@session_register($this->keepUserNameTag);     
$_SESSION[$this->keepUserNameTag] = $this->userName;     
@session_register($this->keepUserPurviewTag);     
$_SESSION[$this->keepUserPurviewTag] = $this->userPurview;     
@session_register($this->keepAdminStyleTag);     
$_SESSION[$this->keepAdminStyleTag] = $adminstyle;     
PutCookie(‘DedeUserID’, $this->userID, 3600 * 24, ‘/’);      
           
           
           
PutCookie(‘DedeLoginTime’, time(), 3600 * 24, ‘/’);

替换成

global $admincachefile,$adminstyle;   
if(empty($adminstyle)) $adminstyle = ‘dedecms’;   
//@session_register($this->keepUserIDTag);   
$_SESSION[$this->keepUserIDTag] = $this->keepUserIDTag;   
$_SESSION[$this->keepUserIDTag] = $this->userID;   
//@session_register($this->keepUserTypeTag);   
$_SESSION[$this->keepUserTypeTag] = $this->keepUserTypeTag;   
$_SESSION[$this->keepUserTypeTag] = $this->userType;   
// @session_register($this->keepUserChannelTag);   
$_SESSION[$this->keepUserChannelTag] = $this->keepUserChannelTag;   
$_SESSION[$this->keepUserChannelTag] = $this->userChannel;   
//@session_register($this->keepUserNameTag);   
$_SESSION[$this->keepUserNameTag] = $this->keepUserNameTag;   
$_SESSION[$this->keepUserNameTag] = $this->userName;   
//@session_register($this->keepUserPurviewTag);   
$_SESSION[$this->keepUserPurviewTag] = $this->keepUserPurviewTag;   
$_SESSION[$this->keepUserPurviewTag] = $this->userPurview;   
// @session_register($this->keepAdminStyleTag);   
$_SESSION[$this->keepAdminStyleTag] = $this->keepAdminStyleTag;   
$_SESSION[$this->keepAdminStyleTag] = $adminstyle;   
PutCookie(‘DedeUserID’, $this->userID, 3600 * 24, ‘/’);   
PutCookie(‘DedeLoginTime’, time(), 3600 * 24, ‘/’);

至此问题解决

 相关文章：

• DEDE 5.7 后台点退出空白页面的解决办法

• DEDEcms5.7不兼容php5.4导致登录后台出现空白