static void Main(string[] args)
{
LeiFeng studentA = SimpleFactory.CreateLeiFeng("学雷锋的大学生");
studentA.Sweep();
LeiFeng studentB = SimpleFactory.CreateLeiFeng("学雷锋的大学生");
studentB.Wash();
LeiFeng volunteer = SimpleFactory.CreateLeiFeng("社区志愿者");
volunteer.BuyRice();
Console.ReadLine();
}
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);
}
