运行此应用程序，你可以看到购物车摘要。当你把条目添加到购物车时，条目数以及总费用都会增加，如图8 -13所示。

You can see the cart summary by running the application. As you add items to the cart, the item count and total increase, as shown by Figure 8-13.

youdao

运行此应用程序，你可以看到购物车摘要。当你把条目添加到购物车时，条目数以及总费用都会增加，如图8 -13所示。

You can see the cart summary by running the application. As you add items to the cart, the item count and total increase, as shown by Figure 8-13.

youdao