C#桥接模式 《套餐的搭配组合》

class Program

{

            static void Main(string[] args)

  {

Coffee smallcoffee = new Smallcoffee();

ADD addsugar = new Sugar();

smallcoffee.Run(addsugar);

Console.ReadKey();

}

}

public interface ADD {

void add();

}

public class Milk :ADD{

public void add() {

Console.WriteLine("再加点牛奶");

}

}

public class Sugar : ADD {

public void add() {

Console.WriteLine("再加点糖");

}

}

public class Lemon : ADD {

public void add() {

Console.WriteLine("再加点柠檬");

}

}

public abstract class Coffee {

public abstract void Run(ADD add);

}

public class Bigcoffee : Coffee

{

public override void Run(ADD add)

{

Console.WriteLine("点一个大杯咖啡");

add.add();

}

}

public class Middlecoffee : Coffee

{

public override void Run(ADD add)

{

Console.WriteLine("点一个中杯咖啡");

add.add();

}

}

public class Smallcoffee : Coffee

{

public override void Run(ADD add)

{

Console.WriteLine("点一个小杯咖啡");

add.add();

}

}