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)
{
//简单工厂模式，如果要把大学生换成志愿者，下面三句都要换
LeiFeng studentA = SimpleFactory.CreateLeiFeng("学雷锋的大学生");
studentA.BuyRice();
LeiFeng studentB = SimpleFactory.CreateLeiFeng("学雷锋的大学生");
studentB.BuyRice();
LeiFeng studentC = SimpleFactory.CreateLeiFeng("学雷锋的大学生");
studentC.BuyRice();
//工厂模式,如果要把大学生换成志愿者，只要换掉工厂即可
IFactory factory = new UndergraduateFactory();
LeiFeng student = factory.CreateLeiFeng();
student.BuyRice();
student.Sweep();
student.Wash();
}
