织梦如何实现二级栏目导航的仿制

 {dede:channelartlist row=’2′ typeid=’1,2′ }
<h3><a href='{dede:field name=’typeurl’/}’>{dede:field name=’typename’/}</a></h3><ul>{dede:channel type=’son’ noself=’yes’ }<li><a href='[field:typelink/]’>[field:typename/]</a></li>{/dede:channel}</ul>{/dede:channelartlist}