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: 'saveFile'}}"/>

  <view class="page-body">
    <view class="page-section">
      <view class="page-body-info">
        <block wx:if="{{tempFilePath != ''}}">
          <image src="{{tempFilePath}}" class="image" mode="aspectFit"></image>
        </block>
        <block wx:if="{{tempFilePath === '' && savedFilePath != ''}}">
          <image src="{{savedFilePath}}" class="image" mode="aspectFit"></image>
        </block>
        <block wx:if="{{tempFilePath === '' && savedFilePath === ''}}">
          <view class="image-plus image-plus-nb" bindtap="chooseImage">
            <view class="image-plus-horizontal"></view>
            <view class="image-plus-vertical"></view>
          </view>
          <view class="image-plus-text">请选择文件</view>
        </block>
      </view>
      <view class="btn-area">
        <button type="primary" bindtap="saveFile">保存文件</button>
        <button bindtap="clear">删除文件</button>
      </view>
    </view>
  </view>
  <template is="foot" />
</view>