dedecms用channelartlist標籤循環輸出導航時，判斷一級欄目下是否有子欄目的方法？

{dede:fieldname=typeid runphp="yes"}   global $dsql;   $sql ="SELECT id From `#@__arctype` WHERE reid='@me' And ishidden<>1 orderby sortrank asc limit 0, 100 ";   $row =$dsql->GetOne($sql);         @m

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