delivery-business/pages/change/change.wxml

<view class="top">
  <text class="top-title">修改管理</text>
</view>
<view class="main">
  <view class="store-pic">
    <text class="store-pic-con">商品图片</text>
    <image src="/images/tupian2.png" mode=""class="store-pic-right"/>
  </view>
  <view class="store-name">
    <text class="store-pic-con">商品名称</text>
    <view class="line"></view>
    <view class="search">
      <input type="text" placeholder="{{name}}" class="search-text" />
    </view>
    <view class="store-price">
      <text class="store-pri-con">商品价格</text>
      <view class="search">
        <input type="number" placeholder="{{price}}" class="search-pri-text" />
      </view>
    </view>
  </view>
  <view class="store-content">
    <text class="store-pri-content">商品内容</text>
    <textarea bindinput="getIntroduce" maxlength='{{maxTextLen}}' class="theme-content" placeholder="{{message}}"/>
  <view class="introduce-number">{{textLen}}/{{maxTextLen}}</view>
  </view>
  <view class="btn">
    <van-button round size="normal" color="#A9A9A9">保存</van-button>
    <van-button round size="normal" color="#FF8C00">提交</van-button>
  </view>
</view>