angularjs购物车加减

Ⅰ 如何用angularjs实现抛物线购物车效果

、使用任何语言创建一个服务端：
public class ShoppingCar
{
public string Title { get; set; }
public decimal UnitPrice { get; set; }
public int Count { get; set; }
}

public ActionResult GetCar()
{
List<ShoppingCar> cars = new List<ShoppingCar>
{
new ShoppingCar { Title="苹果",Count=1,UnitPrice=2.5m},
new ShoppingCar { Title="香蕉",Count=3,UnitPrice=1.5m},
new ShoppingCar { Title="苦瓜",Count=1,UnitPrice=3.5m},
new ShoppingCar { Title="黄瓜",Count=3,UnitPrice=2.2m}
};
return Json(cars,JsonRequestBehavior.AllowGet);
}