static void Main(string[] args)
{
//备忘录
Originator o = new Originator();
o.State = "On";
o.Show();
Caretaker c = new Caretaker();
c.Memento = o.CreateMemento();
o.State = "Off";
o.Show();
o.SetMement(c.Memento);
o.Show();
GameRole gr = new GameRole();
gr.InitState();
gr.DisplayInfo();
RoleCaretaker roletaker = new RoleCaretaker();
roletaker.Rolememento = gr.CreateRoleMemento();
gr.Over();
gr.DisplayInfo();
gr.RecoveryRoleMemento(roletaker.Rolememento);
gr.DisplayInfo();
Console.Read();
}