phpcms v9列表页如何调用子栏目如首页>产品中心>产品类型

{pc:content action="category" catid="$catid" num="99" order="listorder ASC"} 
{loop $data $cat} 
{pc:content action="lists" catid="$cat['catid']" order="id DESC" num="6" return="subcate"} 
{if $subcate} 
<h2><a href="{$cat['url']}">{$cat['catname']}</a></h2> 
<ul class="news_list"> 
{loop $subcate $r} 
<li><span>{date('Y/m/d H:i',$r['inputtime'])}</span><a{if $n==1} class="b"{/if} href="{$r['url']}">{$r['title']}</a></li> 
{/loop} 
</ul> 
{/if} 
{/pc} 
{/loop} 
{/pc}

{pc:get sql="select * from phpcms_category where catid in(你的子栏目ID)" return="data"} 
{loop $data $r} 
<a href="{$r['url']}">{$r['catname']}</a> 
{/loop} 
{/pc}