E_WeChat/packageA/toolBill/modules/toolDetail/index.wxml

<view class="head">
  <view class="count">商品明细</view>
  <view class="expand">
    <navigator wx:if="{{!disabled}}" url="#" class="but" bindtap="addProduct">
      <van-icon name="plus" />
    </navigator>
  </view>
</view>

<List list='{{list}}' disabled='{{disabled}}' bindchangeProduct='changeProduct' binddeleteItem="deleteItem" />