ecshop 列表样式前3个样式不一样 数字递增

<!--{foreach from=$index_hot_goods_2 item=goods name=new_goods}-->

                <li {if $smarty.foreach.new_goods.iteration < 4}class="top"{/if}> <span class="item-info"> <span class="item-title"><a href="{$goods.url}">{$goods.short_name|escape:html}</a></span> <span class="item-price"><!-- {if $goods.promote_price neq ""} -->{$goods.promote_price}<!-- {else}-->{$goods.shop_price}<!--{/if}--></span> </span> <span class="item-thumb"> <a href="{$goods.url}"><img src="{$goods.thumb}" alt="{$goods.name|escape:html}" style="width:70px" /></a> </span> <span class="item-num">{$smarty.foreach.new_goods.iteration}</span> </li>

 <!--{/foreach}-->