程序设计模式(C#代码)----工厂模式

1 interface Phone
2     {
3         public void createPhone();
4     }

1 class HuaWei : Phone
2     {
3         public void createPhone()
4         {
5             Console.WriteLine("制造华为手机");
6         }
7     }

class Vivo : Phone
    {
        public void createPhone()
        {
            Console.WriteLine("制造Vivo手机");
        }
    }

class PhoneFactory
    {
        public const int HUAWEI= 0, VIVO = 1; 
        public Phone getPhone(int phoneType)
        {
            switch (phoneType)
            {
                case HUAWEI:
                    return new HuaWei();
                    break;
                case VIVO:
                    return new Vivo();
                    break;
            }
            return null;
        }
    }