开发者模式下 是没问题的 就是发布到线上会这样

<view class='cartMain'> <view> <button bindtap="go" data-id="{{item.id}}" class='cleanCart'>清空购物车</button> </view> <view wx:for="{{cartItems}}" wx:key> <view data-id="{{item.id}}" class='cart-box' data-index="{{index}}"> <view class='icon'> <icon wx:if="{{item.selected}}" type="success" color="#405F80" size="20" bindtap="selectedCart" data-index="{{index}}"/> <icon wx:else type="circle" bindtap="selectedCart" size="20" data-index="{{index}}" /> </view> <view class='cart_main'> <view class='left'> <view class='left_imgae'> <image class="cart-image" src="{{item.image}}"></image> </view> <view class='left_box'> <text class="cart-title" hidden='hidden'>{{item.id}}</text> <text class="cart-title">{{item.title}}</text> <text class="cart-price">￥{{item.price}}</text> <text bindtap='reduce' class="input cart-reduce" data-index="{{index}}">-</text> <text class="input cart-text">{{item.value}}</text> <text bindtap='add' class="input cart-add" data-index="{{index}}">+</text> <text class="input cart-stock">库存：{{item.stock}}</text> </view> </view> <view class='right'> <image src='/image/删除.png' bindtap='shanchu' data-index="{{index}}"></image> </view> </view> <!-- 底部 --> <view class="cart-bottom"> <icon wx:if="{{CheckAll}}" class="cart-icon" type="success" color="#405F80" size="20" bindtap="select" data-index="{{index}}" /> <icon wx:else type="circle" class="cart-icon" size="20" bindtap="select" data-index="{{index}}" /> <text class='checkAll'>全选</text> <!-- <view class='cart-pay'>                <text class='cart_pay' bindtap="go" data-id="{{item.id}}">清空购物车</text>              </view> --> <view class='cart-pay'> <text class='cart_pay' bindtap="goPay" data-id="{{item.idList}}">结算</text> </view> <view class='cart-sum'> <text class='cart_sum'> <text class='sum_text'>合计：</text> <text class='sum_color'>￥{{total}}元</text> </text> </view> </view> </view> </view> </view>