aliapp-demo/page/API/confirm/confirm.axml

<view class="page">
  <view class="page-description">确认框 API</view>
  <view class="page-section">
    <view class="page-section-title">my.confirm</view>
    <view class="page-section-demo">
      <button type="primary" onTap="comfirm">显示确认框</button>
    </view>
  </view>
</view>