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'];    }