织梦dedecms调用所有栏目的子栏目(不包含父栏目)

{dede:sql sql='Select * from `dede_arctype` where reid>0 and channeltype=6 ORDER BY sortrank limit 15'} 
<li><a href="[field:typedir function="cn_substr(@me,200,9) "/]"><p>[field:typename/]</p></a></li>
{/dede:sql}