static void Main(string[] args)
{
Beverage beverage = new Espresso();
Console.WriteLine(beverage.GetDescription() + " $" + beverage.Cost());
Beverage beverage2 = new HouseBlend();
beverage2 = new Mocha(beverage2);
beverage2 = new Soy(beverage2);
beverage2 = new Whip(beverage2);
Console.WriteLine(beverage2.GetDescription() + " $" + beverage2.Cost());
Beverage beverage3 = new DarkRoase();
beverage3 = new Mocha(beverage3);
beverage3 = new Mocha(beverage3);
beverage3 = new Whip(beverage3);
Console.WriteLine(beverage3.GetDescription() + " $" + beverage3.Cost());
//Console.ReadLine();
Console.WriteLine("---------------------\n");
// 我买了个苹果手机
Phone phone = new ApplePhone();
// 现在想贴膜了
Decorator applePhoneWithSticker = new Sticker(phone);
// 扩展贴膜行为
applePhoneWithSticker.Print();
Console.WriteLine("----------------------\n");
// 现在我想有挂件了
Decorator applePhoneWithAccessories = new Accessories(phone);
// 扩展手机挂件行为
applePhoneWithAccessories.Print();
Console.WriteLine("----------------------\n");
// 现在我同时有贴膜和手机挂件了
Sticker sticker = new Sticker(phone);
Accessories applePhoneWithAccessoriesAndSticker = new Accessories(sticker);
applePhoneWithAccessoriesAndSticker.Print();
Console.ReadLine();
}
static void Main(string[] args)
{
Beverage beverage = new Espresso();
Console.WriteLine(beverage.GetDescription() + " $" + beverage.Cost());
Beverage beverage2 = new HouseBlend();
beverage2 = new Mocha(beverage2);
beverage2 = new Soy(beverage2);
beverage2 = new Whip(beverage2);
Console.WriteLine(beverage2.GetDescription() + " $" + beverage2.Cost());
Beverage beverage3 = new DarkRoase();
beverage3 = new Mocha(beverage3);
beverage3 = new Mocha(beverage3);
beverage3 = new Whip(beverage3);
Console.WriteLine(beverage3.GetDescription() + " $" + beverage3.Cost());
Console.ReadLine();
}