{$first['name']}

{foreach:items=Api::run('getCategoryByParentid',array('#parent_id#',$first['id']), 3) item=$second}
• {$second['name']}
{/foreach}

{foreach:items=Api::run('getCategoryExtendList',array('#categroy_id#',$first['id']),4)}
• 

  {$item['name']}

  ￥ {$item['sell_price']}

{/foreach}