添加自定义index 然后根据自定义的index去进行三目判断
<block a:for="{
{icon}}">
<view class='{
{index===0?"integral1":index===1?"integral2":index===2?"integral3":index===3?"integral4":index===4?"integral5":""}}'data-index='{
{index}}' onTap="effect">
<image class="hear-integral-icon" src="/images/integral-icon.png"/>
</view>
</block>```