织梦channelartlist判断是否有下级栏目输出不同的html代码

function display_ul($i,$var='0'){
    global $dsql;
    $row = $dsql->GetOne("SELECt COUNT(id) as num FROM dede_arctype  WHERe reid = $i)");
    if($row['num']>0 ){
 if($var=='0'){
    return "
"; 
 }else{
    return "
";  
 }
    }
}

{dede:channelartlist row=7 typeid=top currentstyle=current}

    {dede:field.typename/}
    {dede:field.id function='display_ul(@me)'/}
 
 {dede:channel type=son noself=yes}
 

     [field:typename/]
 
 {/dede:channel}
    {dede:field.id function='display_ul(@me,1)'/}

{/dede:channelartlist}