delivery-business/pages/increase/increase.wxml

<!--pages/increase/increase.wxml-->
<view class="product">
  <text class="picture"> 商品图片</text>
  <van-uploader file-list="{{ fileList }}" bind:after-read="afterRead" style="padding-left: 260px;"/>
</view>

<view class="topic">
  <text class="topic-1">商品名称</text>
</view>
<view class="topic-2">
  <view>
    <input class="appi" maxlength="10" placeholder="请输入商品名称（1-10个字符）" />
  </view>
</view>

<view class="topic">
  <van-cell-group>
  <van-field
    value="{{ username3 }}"
    label="商品价格"
    placeholder="请输入商品价格"
    input-align="right"
  />
</van-cell-group>
</view>

<view class="topic-4">
  <text>商品内容</text>
  <textarea class="area" name="" id="" cols="30" rows="10" maxlength="15"></textarea>
</view>
<view class="but">
  <button class="but-1" style="width:40vw">保存</button>
  <button class="but-2" style="width:40vw">提交</button>
</view>