tyjs_wxapp/component/iView/tab-bar/index.wxml

<view class="i-class i-tab-bar {{ fixed ? 'i-tab-bar-fixed' : '' }}">
    <slot></slot>
    <view class="i-tab-bar-list">
        <view class="i-tab-bar-layer" wx:for="{{ list }}" wx:key="{{ item.key }}" data-key="{{ item.key }}" bindtap="handleClickItem" style="width: {{ 100 / list.length }}%"></view>
    </view>
</view>