
实现代码如下:
{loop subcat($catid) $c}
{if $c['child']}
{php $child = subcat($c['catid']);}
{php echo $c['catname'];}+
{php echo "".$c['catname']."";}
{loop $child $catc}
{php $subcatid[] = $catc['catid'];}
{php echo "".$catc['catname']."";}
{/loop}
{php $subcatid = implode(',', $subcatid);}
{php $arr=explode(',',$subcatid);}
{pc:get sql="SELECT * from v9_news where status=99 and catid in ($subcatid) order by id DESC LIMIT 0,4--" num="6" return="data"}
{loop $data $r}
- ● [{$CATEGORYS[$r[catid]][catname]}] {str_cut($r['title'],40)}
{/loop}
{/pc}
{php echo "我想了解更多".$c['catname']."知识";}
{php $subcatid = null;}
{/if}
{/loop}