帝国cms商城怎么根据会员权限显示指定字段的方法

<?phprequire("../../class/connect.php");include("../../class/db_sql.php");include("../../data/dbcache/class.php");$link=db_connect();$empire=newmysqlquery();$classid=(int)$_GET['classid'];$id=(int)$_GET['id'];$muserid=(int)getcvar('mluserid');//用户id$musername=RepPostVar(getcvar('mlusername'));//用户名$mgroupid=(int)getcvar('mlgroupid');//会员组idif($classid&&$id&&$class_r[$classid][tbname]){$r=$empire->fetch1("selectid,title,tprice,pricefrom{$dbtbpre}ecms_".$class_r[$classid][tbname]."whereid='$id'andclassid='$classid'limit1");if($r[id]&&!$mgroupid==1){?>document.write('市场价：<?=$r[tprice]?>');<?php}if($r[id]&&$mgroupid==1){?>document.write('会员价：<?=$r[price]?>');<?php}}db_close();$empire=null;?>

<spanclass="price"><scriptsrc="[!----news.url--]e/extend/yz/?id=[!----id--]&classid=[!----classid--]"></script></span>