static void Main(string[] args)
{
//下订单：2巧克力 1牛奶 的 longblack
//1 longblack
Drink order = new LongBlack();
Console.WriteLine("费用:\t" + order.Cost());
Console.WriteLine("描述:\t" + order.GetDescription());
//2 加牛奶
order = new Milk(order);
Console.WriteLine("费用:\t" + order.Cost());
Console.WriteLine("描述:\t" + (order as Decorator).GetDescription());
//3 加巧克力
order = new Chocolate(order);
Console.WriteLine("费用:\t" + order.Cost());
Console.WriteLine("描述:\t" + (order as Decorator).GetDescription());
//3 加巧克力
order = new Chocolate(order);
Console.WriteLine("费用:\t" + order.Cost());
Console.WriteLine("描述:\t" + (order as Decorator).GetDescription());
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
//单品黑咖啡
Coffee coffee = new LongBlack();
MyPrint(coffee);
//黑咖啡的基础上+牛奶
coffee = new Milk(coffee);//生成装饰对象（牛奶）的同时将之前被装饰者（黑咖啡）注进去，达到累加效果
MyPrint(coffee);
//依此类推
//可以继续添加装饰者
coffee = new Chocolate(coffee);
MyPrint(coffee);
Console.ReadLine();
}