<view wx:if="{{item.list.length}}" class="groud">
    <view class="label">
        {{language[item.label]||item.label}}
    </view>
    <view class="content">
        <van-button custom-class='but {{item.index==i?"active":""}}' wx:for="{{item.list}}" wx:for-item="data" wx:for-index="i" wx:key="i" data-item="{{data}}" data-index="{{index}}" data-i="{{i}}" bindtap="onSelect">{{data[item.showName]||data[item.showName]}}</van-button>
    </view>
</view>

<MultilevelClass id="MultilevelClass" wx:if="{{childClass}}" item='{{childClass}}' />