miniprogram/node_modules/@vant/weapp/lib/uploader/index.wxml

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<wxs src="../wxs/utils.wxs" module="utils" />
<wxs src="./index.wxs" module="computed" />

<view class="van-uploader">
  <view class="van-uploader__wrapper">
    <!-- 预览样式 -->
    <view
      wx:if="{{ previewImage }}"
      wx:for="{{ lists }}"
      wx:key="index"
      class="van-uploader__preview"
      data-index="{{ index }}"
      bindtap="onClickPreview"
    >
      <image
        wx:if="{{ item.isImage }}"
        mode="{{ imageFit }}"
        src="{{ item.thumb || item.url }}"
        alt="{{ item.name || ('图片' + index) }}"
        class="van-uploader__preview-image"
        style="{{ computed.sizeStyle({ previewSize }) }}"
        data-index="{{ index }}"
        bindtap="onPreviewImage"
      />
      <video
        wx:elif="{{ item.isVideo }}"
        src="{{ item.url }}"
        title="{{ item.name || ('视频' + index) }}"
        poster="{{ item.thumb }}"
        autoplay="{{ item.autoplay }}"
        class="van-uploader__preview-image"
        style="{{ computed.sizeStyle({ previewSize }) }}"
        data-index="{{ index }}"
        bindtap="onPreviewVideo"
      >
      </video>
      <view
        wx:else
        class="van-uploader__file"
        style="{{ computed.sizeStyle({ previewSize }) }}"
        data-index="{{ index }}"
        bindtap="onPreviewFile"
      >
        <van-icon name="description" class="van-uploader__file-icon" />
        <view class="van-uploader__file-name van-ellipsis">{{ item.name || item.url }}</view>
      </view>
      <view
        wx:if="{{ item.status === 'uploading' || item.status === 'failed' }}"
        class="van-uploader__mask"
      >
       <van-icon wx:if="{{ item.status === 'failed' }}" name="close" class="van-uploader__mask-icon" />
       <van-loading wx:else custom-class="van-uploader__loading" />
       <text wx:if="{{ item.message }}" class="van-uploader__mask-message">{{ item.message }}</text>
      </view>
      <view
        wx:if="{{ deletable && item.deletable }}"
        data-index="{{ index }}"
        class="van-uploader__preview-delete"
        catch:tap="deleteItem"
      >