//撤销悔棋
public static void Redo(Chessman chess, int i)
{
Console.WriteLine("******撤销悔棋******");
index++;
chess.Restore(mc.GetMemento(i + 1)); //恢复到下一个备忘录
Console.WriteLine("棋子{0}当前位置为：第{1}行第{2}列。", chess.Label, chess.X, chess.Y);
}
//悔棋
public static void Undo(Chessman chess, int i)
{
Console.WriteLine("******悔棋******");
index--;
chess.Restore(mc.GetMemento(i - 1)); //撤销到上一个备忘录
Console.WriteLine("棋子{0}当前位置为：第{1}行第{2}列。", chess.Label, chess.X, chess.Y);
}
static void Main(string[] args)
{
/*
* Originator ori = new Originator("状态(1)");
* Console.WriteLine(ori.GetState());
*
* Caretaker ct = new Caretaker();
* ct.SetMemento(ori.CreateMemento());
*
* ori.SetState("状态(2)");
* Console.WriteLine(ori.GetState());
*
* ori.RestoreMemento(ct.GetMemento());
* Console.WriteLine(ori.GetState());
*/
MementoCaretaker mc = new MementoCaretaker();
Chessman chess = new Chessman("车", 1, 1);
Display(chess);
mc.SetMemento(chess.Save()); //保存状态
chess.Y = 4;
Display(chess);
mc.SetMemento(chess.Save()); //保存状态
Display(chess);
chess.X = 5;
Display(chess);
Console.WriteLine("******悔棋******");
chess.Restore(mc.GetMemento()); //恢复状态
Display(chess);
Console.Read();
}
static void Main(string[] args)
{
Chessman chess = new Chessman("车", 1, 1);
Play(chess);
chess.Y = 4;
Play(chess);
chess.X = 5;
Play(chess);
Undo(chess, index);
Undo(chess, index);
Redo(chess, index);
Redo(chess, index);
Console.Read();
}
static void Main(string[] args)
{
MementoCaretaker mc = new MementoCaretaker();
Chessman chess = new Chessman("车", 1, 1);
Display(chess);
mc.SetMemento(chess.Save()); //保存状态
chess.Y = 4;
Display(chess);
mc.SetMemento(chess.Save()); //保存状态
Display(chess);
chess.X = 5;
Display(chess);
Console.WriteLine("******悔棋******");
chess.Restore(mc.GetMemento()); //恢复状态
Display(chess);
Console.Read();
}
//下棋
public static void Play(Chessman chess)
{
mc.SetMemento(chess.Save()); //保存备忘录
index++;
Console.WriteLine("棋子{0}当前位置为：第{1}行第{2}列。", chess.Label, chess.X, chess.Y);
}
public static void Display(Chessman chess)
{
Console.WriteLine("棋子{0}的当前位置为：第{1}行第{2}列。", chess.Label, chess.X, chess.Y);
}
