wxmini/pages/home/home.wxml

<!-- pages/home/home.wxml -->
<view class="container">
  <nav-bar bind:goBack="_goBack" nav-bgc-class="ex-nav-bgc-class" nav-title-class="ex-nav-title-class" ex-back-pre="ex-back-pre" navbar-data='{{nvabarData}}'>
  </nav-bar>

  <view class="helloC" style="margin-top: {{navBarHeight}};">下午好，昵称XXX</view>
  <swiper class="bannerC" indicator-dots="true" autoplay="3000">
    <swiper-item class="bannerItemC" wx:for="{{bannerList}}" wx:key="item">
      <image src="{{item}}" mode="scaleToFill"/>
    </swiper-item>
  </swiper>
  <scroll-view class="deviceScrollClass" scroll-y="true">
    <view class="deviceClass" wx:for="{{deviceList}}" wx:key="item" >
          <image class="deviceImg" src="../../img/g.png" mode="scaleToFill" />
          <view class="detailClass" style="flex-direction: row;">
            <view class="powerClass">
              <image class="powerImg" src="../../img/dl1.png" mode="scaleToFill" />
              <view class="powerText">{{item.power}}</view>
            </view>
            <view class="deviceName">{{item.devName}}</view>
            <view class="deviceDeleteClass" bind:tap="deleteDeviceTap">删除</view>

          </view>

          <image class="detailPageC" src="../../img/a6.png" mode="scaleToFill" bind:tap="devieDetailPageTap" />
        </view>
    <view class="deviceEmptyClass" wx:if="{{deviceList && deviceList.deviceList.length == 0 || !isLoginWx}}">
      + 添加设备
    </view>
    <button type="primary" bindtap="changeRole">example-改变权限</button>

  </scroll-view>
</view>