study_wxapp/pages/exam/index/index.wxml

<wxs module="enumItem" src="../../../wxs/enumItem.wxs"></wxs>
<view>
  <view>
    <swiper indicator-dots="false" autoplay="true" interval="5000" duration="1000">
      <swiper-item>
        <image src="/assets/carousel/1.png" class="slide-image" />
      </swiper-item>
      <swiper-item>
        <image src="/assets/carousel/2.png" class="slide-image" />
      </swiper-item>
      <swiper-item>
        <image src="/assets/carousel/3.png" class="slide-image" />
      </swiper-item>
    </swiper>
  </view>
  <!-- <ad unit-id="adunit-21433e65243fe5ff"></ad> -->
  <view>
    <view class="p20 br20">
      <i-cell-group>
        <i-cell wx:for="{{groups}}" data-item="item" wx:key="id" title="{{item.name}}" 
          is-link value="进入题库" i-class="mt20 p20 br20"
          url="/pages/exam/home/index?groupId={{item.groupId}}" 
          label="{{item.startAt}} 到 {{item.endAt}}" />
      </i-cell-group>
    </view>
    <view wx:if="{{!isOpen}}" class="tc m20 p20">
      <text class="tc fc">还未开通题库</text>
    </view>
  </view>
</view>