织梦dedecms循环调用二级栏目下三级栏目的方法

{dede:channelartlist typeid=3 }
 <dt>
<a href="{dede:field name='typeurl'/}">{dede:field name='typename'/}</a>
 </dt>
 <ul>
{dede:channel type='sun' row='10' noself='yes'}
   <li>
<a href="[field:typeurl/]">[field:typename/]</a>
   </li>
{/dede:channel}
 </ul>
​​​​​​​{/dede:channelartlist}

{dede:channelartlist typeid=3 }
​​​​​​​<dt>
<a href="{dede:field name='typeurl'/}">
{dede:field name='typename'/}</a>
</dt>
<ul>
{dede:sql sql='Select * from `dede_arctype` where reid=~id~ ORDER BY id'}
<li><a href="[field:typedir function="cn_substr(@me,200,9) " /]">[field:typename/]</a>
</li>
{/dede:sql}
</ul>
​​​​​​​{/dede:channelartlist}