<view class="topTabbar_main">
  <view class="{{['topTabbar_item', index  === currentIndex ?'itemActive':'']}}" wx:for="{{tabbarList}}"  wx:key="index" wx:for-item="item" wx:for-index="index" bindtap="clickTabEvent" data-index="{{index}}">
    {{item.name}}
  </view>
</view>