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

<!--compontents/share/share.wxml-->
<view class="container" bindtap="hidePopup" hidden="{{flag}}">
    <view class="share">
        <view class="title">年级</view>
        <view class="share-img"> 
            <view class="download" wx:for="{{gradeData}}" wx:key="{{index}}">
                <text class="{{item === grade ? 'color' : ''}}" catchtap="grade" data-grade="{{index}}">{{item}}</text>
            </view>
        </view>
    </view>
</view>