aliapp-demo/page/component/component-pages/label/label.axml

<view class="page">
  <view class="page-section">
    <view class="page-section-title">Checkbox</view>
    <view class="page-section-demo">
      <checkbox-group>
        <view>
          <label>
            <checkbox value="AngularJS" />
            <text> AngularJS</text>
          </label>
        </view>
        <view>
          <label>
            <checkbox value="React" />
            <text> React</text>
          </label>
        </view>
      </checkbox-group>
    </view>
  </view>

  <view class="page-section">
    <view class="page-section-title">Radio</view>
    <view class="page-section-demo">
      <radio-group>
        <view>
          <radio id="AngularJS" value="AngularJS" />
          <label for="AngularJS">AngularJS</label>
        </view>
        <view>
          <radio id="React" value="React" />
          <label for="React">React</label>
        </view>
      </radio-group>
    </view>
  </view>

  <view class="page-section">
    <view class="page-section-title">多个 Checkbox 只选中一个</view>
    <view class="page-section-demo">
      <label>
        <checkbox>选中我</checkbox>
        <checkbox>选不中</checkbox>
        <checkbox>选不中</checkbox>
        <checkbox>选不中</checkbox>
        <view>
          <text>Click Me</text>
        </view>
      </label>
    </view>
  </view>
</view>