模拟顾客点餐

  public  class order//菜单类
    {
      public Client customer;//顾客
      public int id;//餐桌号
      public string mealList;//点的菜单
    }

public  class Client//顾客类
    {
       //点餐
       public void Order(waitress waitress, order or)
       {
           Console.WriteLine("顾客开始点菜：{0}！",or.mealList);
           waitress.GetOrder(or);
       }
       //用餐
       public void Eat()
       {
           Console.WriteLine("客人用餐！");
       }
    }

 public class waitress//服务员类
    {
      private order or;
      public void GetOrder(order or)
      {
          this.or = or;
      }
      //给厨师提交菜单
      public void SendOrder(Chef chef)
      {
          Console.WriteLine("服务员将菜{0}传给厨师",or.mealList);
          chef.GetOrder(or);

      }
      //传菜
      public void TransCook(order or)
      {
          Console.WriteLine("服务员将菜{0}送给客户{1}!",or.mealList,or.id,or.customer);
          or.customer.Eat();

      }
    }

public class Chef//厨师类
    {
      private order or;
      public void GetOrder(order or)
      {
          this.or = or;
      }
      public void Cook()
      {
          Console.WriteLine("厨师烹制:{0}",or.mealList);
          Console.WriteLine("制作完毕！");
      }
      public void SendAlert(waitress wait)
      {
          Console.WriteLine("厨师提示服务员取菜");
          wait.GetOrder(or);
      }
    }

 static void Main(string[] args)
        {
            //初始化顾客 服务员 厨师
            Client wang = new Client();
            waitress wait = new waitress();
            Chef chef = new Chef();
            //初始化菜单
            order or = new order();
            //设置订了该菜单的顾客
            or.customer = wang;
            or.id = 100;
            or.mealList = "麻辣小龙虾";

            wang.Order(wait, or);
            wait.SendOrder(chef);

            chef.Cook();
            chef.SendAlert(wait);
            wait.TransCook(or);
            Console.ReadLine();
        }
    }