织梦文章设置会员登录才能访问

global $cfg_ckbodyopen,$cfg_ckbodynum; 
   $this->Fields['$cfg_ckbodyopen']  = (empty($cfg_ckbodyopen) ? "Y" : "$cfg_ckbodyopen" ); 
   $this->Fields['$cfg_ckbodynum']  = (empty($cfg_ckbodynum) ? "500" : "$cfg_ckbodynum" );
   if(($this->Fields['$cfg_ckbodyopen'] == "Y" || $this->Fields['$cfg_ckbodyopen'] == "y") && $this->Fields['ismake']==-1){
    require_once(DEDEINC.'/memberlogin.class.php');
    $this->MemberLogin = new MemberLogin();
    $this->Fields['ckbodyhtml'] = " <br /> 
    <div class='ckbodyhtml' style='width:80%;margin-left:10%;margin-top:30px;float:left;border:1px solid #000;background:#dedede;text-align:center;'> 你没有登陆，无法阅读全文内容，点击此处登陆 </div>";
if($this->MemberLogin->IsLogin()){ 
     $this->Fields['ckbody'] = $this->Fields['body'];
     //已经登陆
    }else{
     $this->Fields['ckbody'] = cn_substr(Html2Text($this->Fields['body']),$this->Fields['$cfg_ckbodynum']);
     $this->Fields['ckbody'] .= $this->Fields['ckbodyhtml'];
     //未登陆
    }
   }else{
    $this->Fields['ckbody'] = $this->Fields['body'];
    }