调用方法: rootid={9}
<!--{assign var='treephoto' value=vo_category("type={rootcat} rootid={9}")}-->
<!--{foreach $treephoto as $parent}-->
<a href="<!--{$parent.url}-->"><!--{$parent.catname}--></a> <br>
<!--{foreach $parent.childcatgory as $child}-->
<a href="<!--{$child.url}-->"><!--{$child.catname}--></a> <br>
<!--{/foreach}-->
<!--{/foreach}-->