static void Invock14() { Originator ori = new Originator(); ori.State = "开"; ori.Show(); Caretaker car = new Caretaker(); car.Memento = ori.CreateMemento(); ori.State = "关"; ori.Show(); ori.SetMemento(car.Memento); ori.Show(); }
static void Invock14() { Console.WriteLine("原始状态数据:"); var ori = new Originator { State = "开" }; ori.Show(); Console.WriteLine("备忘状态:"); var car = new Caretaker { Memento = ori.CreateMemento() }; Console.WriteLine("改变原对象状态后:"); ori.State = "关"; ori.Show(); Console.WriteLine("恢复对象状态后:"); ori.SetMemento(car.Memento); ori.Show(); }