MD_YOSwechat/pages/classroom/index.wxml

<van-tabs class="tabs" tab-class='tab-class' color='#3874F6' title-active-color='#3874F6' bind:change="tabsChange">
    <van-tab title="课程列表">
        <view class="main-1">
            <navigator url="./list?id={{item.sat_courseware_classid}}" class="item" wx:for="{{list}}" wx:key="sat_courseware_classid">
                <view class="img" wx:if="{{item.attinfos[0]}}">
                    <image src="{{item.attinfos[0].subfiles[0].url}}" mode="aspectFill" />
                </view>
                <view class="img" wx:else>
                    <view class="noimg">
                        <van-icon custom-class='icon' size='70' color='#AFAFAF' name="photo-o" />
                    </view>
                </view>
                <view class="label line-1">{{item.classname}}</view>
            </navigator>
        </view>
    </van-tab>
    <van-tab title="学习足迹">
        <view style="height: 20rpx;" />
        <view style="width: 100vw;overflow: hidden;">
            <list list="{{history}}" />
        </view>
    </van-tab>
</van-tabs>
<float bindtap="toExam" />