wxmini/pages/bluConnect/bleconnect.wxml

<!-- pages/bluConnect/bleconnect.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>
  <!-- <scroll-view class="scrollClass" scroll-y="true"> -->
  <image class="device_pic_class" src="../../img/a.png" mode="scaleToFill" />
  <view class="text_class">
    <text class="scanDeviceClass">搜索钢琴音箱</text>
    <view wx:if="{{isScaning}}">{{connectTips}}</view>
    <span wx:if="{{connectStatus == 4}}" class="scan_device_status_class">
      <image class="scan_device_status_img_class" src="../../img/a.png" mode="scaleToFill" />
      <text class="scan_device_status_text_class">{{connectText}}</text>
    </span>
  </view>
  <view style="flex: 1;  "></view>
<view style="justify-content: center;  display: flex;">  <button class="connect_btn_class">连接</button>
</view>
  <!-- </scroll-view> -->
</view>