/// <summary>
/// 多态实现
/// 用多态之后,代码简洁不少.并且可扩展性增强了
/// 如果未来还要增加命令,扩充子类就可以了,
/// 而且我们还关闭了修改 , 增加再多的命令 , 也不需要对其进行修改 .
/// </summary>
public void Test02()
{
Commander start = new StartCommander();
Drive(start);
Commander stop = new StopCommander();
Drive(stop);
}
private void PolymorphismReplaceExample()
{
//啟動
Commander commander = new StartCommander();
Driver(commander);
//停止
commander = new StopCommander();
Driver(commander);
}
