combination/miniprogram/packageCloud/pages/storage/download-file/download-file.wxml

<import src="../../../common/head.wxml" />
<import src="../../../common/foot.wxml" />

<view class="container page" data-weui-theme="{{theme}}">
  <template is="head" data="{{title: 'downloadFile'}}" />

  <view class="page-body">
    <view class="page-section">
      <block wx:if="{{fileDownloaded}}">
        <view class="weui-cells weui-cells_after-title">
          <view class="weui-cell weui-cell_input">
            <view class="weui-cell__hd">
              <view class="weui-label">文件 ID</view>
            </view>
            <view class="weui-cell__bd">
              <textarea class="weui-textarea" value="{{fileId}}" style="height: 3.3em" disabled />
            </view>
          </view>

          <view class="weui-cell">
            <view class="page-section-ctn">
              <image src="{{filePath}}" class="image" mode="aspectFit"></image>
            </view>
          </view>
        </view>
        
      </block>

      <block wx:else>
        <view class="weui-cells__title">点击按钮即可从云端存储下载指定云文件</view>
        <view class="weui-cells weui-cells_after-title">
          <view class="weui-cell weui-cell_input">
            <view class="weui-cell__hd">
              <view class="weui-label">文件 ID</view>
            </view>
            <view class="weui-cell__bd">
              <textarea class="weui-textarea" value="{{fileId}}" style="height: 3.3em" disabled />
            </view>
          </view>
        </view>

        <view class="btn-area">
          <button type="primary" size="40" bindtap="downloadFile" loading="{{loading}}">下载文件</button>
        </view>
      </block>
    </view>
  </view>

  <template is="foot" />
</view>