dede获取栏目下的所有栏目_获取子栏目的子栏目_channelartlist嵌套

{dede:channelartlist row='20' typeid='7' }<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}