nostone_loan_wxapp/pages/accessory/index.wxml

<cu-custom bgColor="bg-gradual-blue" isBack>
  <view slot="backText">返回</view>
  <view slot="content">附件</view>
</cu-custom>
<view class="section">
  <!-- 其他 -->
  <view wx:for="{{value}}" wx:key="index" class="margin-bottom">
    <view class="cu-bar bg-white solid-bottom">
      <view class='action'>
        <text class='cuIcon-titles text-orange '></text> {{item.name}}
      </view>
    </view>
    <view class="padding">
      <van-grid column-num="3" border="{{ false }}" gutter="{{ 10 }}">
        <van-grid-item use-slot wx:for="{{ item.value }}" wx:for-item="it" wx:for-index="ind" wx:key="ind">
          <view wx:if="{{it.value }}" style="position:relative;width: 100%;height: 180rpx;">
            <image mode="aspectFit" style="width: 100%; height: 100%;" src="{{it.value}}" />
            <view bindtap="deleteFunc" data-index='{{index}}' data-ind="{{ind}}" data-id="{{it.key}}"
              style='position: absolute;  top: -16rpx;right: -16rpx;'>
              <van-icon name="clear" />
            </view>
          </view>
        </van-grid-item>
        <van-grid-item wx:if="{{(item.maxlen && item.value.length < item.maxlen) || !item.maxlen}}" use-slot>
          <view data-index="{{index}}" bindtap="addFunc"
            style="position:relative;width: 100%;height: 180rpx;display: flex;align-items: center;justify-content: center;border:1rpx solid #646566">
            <van-icon name="plus" size="30" color="#646566" />
          </view>
        </van-grid-item>
      </van-grid>
    </view>
  </view>
</view>

<!-- 错误提示框 -->
<van-dialog use-slot title="提示" show="{{ errorShow }}" confirmText="关闭">
  <scroll-view scroll-y style="max-height:50vh;">
    <view wx:for="{{megs}}" wx:key="index" class="margin-sm">{{index+1}}、 {{item}}</view>
  </scroll-view>
</van-dialog>

<van-dialog id="van-dialog" />