efunbox-schedule-miniApps/compontents/tarbar/tarbar.wxml

<view class="menu">
    <scroll-view scroll-x="true" class="top-nav" scroll-with-animation="true" scroll-left="{{left}}" >
        <block wx:for="{{motto}}" wx:for-item="item" wx:key="index" wx:for-index="itemIdx">
          <view bindtap="navItemTap" class="top-btn {{navBtnSelectIdx == itemIdx ? 'top-hoverd-btn' : ''}}" data-index="{{itemIdx}}">
            {{item}}              
            <view class="striping {{navBtnSelectIdx == itemIdx ? 'top-hoverd-striping' : ''}}"></view>
          </view>
        </block>
    </scroll-view>
</view>