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http://www.cqqzx.cn