DEDECMS首页循环调用一级栏目和二级栏目的实现方法

        {dede:channelartlist typeid='2'}
        <li class="First"><a href="{dede:field name='typeurl'/}">{dede:field name='typename'/}</a></li>
                {dede:channel type='son' noself='yes'}
                <li class="Second"><a href="[field:typelink/]">[field:typename/]</a></li>
                {/dede:channel}
        {/dede:channelartlist}

    if($type=='son' && $reid!=0 && $totalRow==0)
    {
        $sql = "SELECT id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath
            FROM `arctype` WHERE reid='$reid' And ishidden<>1 order by sortrank asc limit 0, $line ";
        $dsql->SetQuery($sql);
      $dsql->Execute();
    }