bugfix

pages/landscan/landscan.js

@@ -177,17 +177,15 @@ Page({
 
   //计算总价格  总数量  总优惠
   calculation(goods) {
-    if (null != goods && goods.length > 0) {
       let quantitytemp = 0;
       let pricetemp = 0;
       goods.forEach(function (item, index, array) {
           quantitytemp = quantitytemp + item.quantity 
           pricetemp = pricetemp + item.price 
       })
-      this.setData({totalQuantity:quantitytemp,totalPrice:pricetem+''})
+      this.setData({totalQuantity:quantitytemp,totalPrice:pricetemp+''})
       //数据同步到前屏
       this.sendGoodInfoToFront()
-    }
   },
 
   //跳转到支付结果页面