public static void Main(string[] args)
{
// 有两辆车需要销售，一辆是普通轿车，而另一辆则是奔驰
Vehicle vehicle = new Vehicle();
Vehicle benz = new Benz();
// 向普通销售询问这两辆车的折扣
var seller = new Seller();
Console.WriteLine("Seller Vehicle{0}", seller.GetDiscountRate(vehicle));
Console.WriteLine("Seller Vehicle{0}", seller.GetDiscountRate(benz));
// 向销售经理询问这两辆车的折扣
var manager = new SellerManager();
Console.WriteLine("SellerManager Vehicle{0}", manager.GetDiscountRate(vehicle));
Console.WriteLine("SellerManager Vehicle{0}", manager.GetDiscountRate(benz));
Console.Read();
}
public override double GetDiscountRate(Vehicle vehicle)
{
return vehicle.GetBaseDiscountRate();
}
public virtual double GetDiscountRate(Vehicle vehicle)
{
return vehicle.GetBaseDiscountRate();
}