index.wxml

<view class="container" style="padding-top: {{navHeight}}px;height:{{windowHeight}}px;">
  <navbar 
    page-name="" 
    bg-color="#fff" 
    navbar-color="rgba(0, 0, 0, .85)"
    nav="back"
    bind:onGoBack="onGoBack"
  />

  <view class="content">
    <mp-checkbox-group prop="radio" multi="{{false}}" bindchange="checkboxChange">
      <mp-checkbox 
        wx:for="{{floorList}}" 
        wx:for-item="item" 
        wx:for-index="index"
        wx:key="index" 
        label="{{item.name}}" 
        value="{{item.id}}" 
        checked="{{item.checked}}">
      </mp-checkbox>
    </mp-checkbox-group>
  </view>
  <button class="submit-btn" bindtap="queding" disabled="{{selectData.length === 0}}">确定</button>
</view>