public static LeiFeng CreateLeiFeng(string type)
{
LeiFeng result = null;
switch (type)
{
case "学雷锋的大学生":
result = new Undergraduate();
break;
case "社区志愿者":
result = new Volunteer();
break;
}
return(result);
}
static void Main(string[] args)
{
//TODO:简单工厂的实例化时会有重复代码，后面会用工厂方法类
LeiFeng v1 = SimpleFactory.CreateLeiFeng("社区志愿者");
LeiFeng v2 = SimpleFactory.CreateLeiFeng("社区志愿者");
LeiFeng s1 = SimpleFactory.CreateLeiFeng("学雷锋的大学生");
v1.Wash();
v2.Sweep();
s1.BuyRice();
Console.WriteLine();
//工厂方法模式实现：
IFactory undergraduate = new UndergraduateFactory();
LeiFeng leiFeng1 = undergraduate.CreateLeiFeng();
IFactory volunteer = new VolunteerFactory();
LeiFeng leiFeng2 = volunteer.CreateLeiFeng();
leiFeng1.Sweep();
leiFeng2.BuyRice();
Console.ReadKey();
}
