<view class="box">
  <!-- 购物车店铺 -->
  <view class="box3">
    <checkbox-group  onChange="checkboxChange">
    <block a:for="{{productList}}" a:key="id">
      <view class="box1">
        
        <view class="box4">
          <!-- 给每个复选框绑定 data-index -->
            <checkbox color="red" checked="{{item.checked}}" value="{{item.cartId}}"  />
        </view>
        <image class="image" mode="scaleToFill" src="{{item.commoditiesImage}}" />
        <view class="box5">
          <view>
            <text class="text" style="font-size:20px">{{item.commoditiesName}}</text>
          </view>
          <view>
            <text class="text" style="font-size:15px">￥{{item.commoditiesPrice}}</text>
          </view>
          <view class="container">
            <view class="beijing" data-index="{{index}}" style="margin-right: 10rpx;" onTap="decreaseQuantity"  >
              <text>-</text>
            </view>
            <view class="number">
              <text >{{item.quantity}}</text>
            </view>
            <view class="beijing" style="margin-left: 10rpx;"onTap="increaseQuantity" data-index="{{index}}" >
              <text >+</text>
            </view>
          </view>
        </view>
        <text class="text3" onTap="yichu" data-id="{{item.cartId}}">移除购物车</text>
      </view>
    </block>
  </checkbox-group>
  </view>

  <!-- 底部结算栏 -->
  <view class="boxall">
    <checkbox color="red" checked="{{select_all}}"  onChange="selectall"/>全选
    <text class="text2">合计：￥{{totalPrice}}</text>
    <view class="boxd" onTap="jiesuan">
      <text class="text1">结算</text>
    </view>
  </view>
</view>