dedecms中{dede:channel type='son'}无子栏目时怎么取同级栏目？

dedecms中关于{dede:channel type='son'}无子栏目时取同级栏目问题是解决方法分享

推荐学习：织梦cms

先给大家看一段代码： 

代码如下:

{dede:channelartlist typeid = 3} 
<li class="sub_ul1_li"><a href="{dede:field name=&#39;typeurl&#39;/}" class="publica">{dede:field name=&#39;typename&#39;/}</a> 
<ul class="sub_ul2 hide"> 
{dede:channel type=&#39;son&#39; noself=&#39;yes&#39;} 
<li><a href="[field:typelink/]" class="publica">·[field:typename/]</a></li> 
{/dede:channel} 
</ul> 
</li> 
{/dede:channelartlist}