public void MementoDemo4()
{
var originator = new Originator();
var caretaker = new Caretaker3 <Originator>(originator);
originator.State = "s11";
originator.State2 = "s21";
originator.State3 = "s31";
Console.WriteLine($"当前状态：【{originator.State}】【{originator.State2}】【{originator.State3}】");
caretaker.CreateMemento();
originator.State = "s12";
originator.State2 = "s22";
originator.State3 = "s32";
Console.WriteLine($"当前状态：【{originator.State}】【{originator.State2}】【{originator.State3}】");
Console.WriteLine("------ 恢复上一个状态 ------");
caretaker.RestoreMemento();
Console.WriteLine($"当前状态：【{originator.State}】【{originator.State2}】【{originator.State3}】");
}
public void CreateMemento()
{
_menento = Originator.Copy();
}
public Caretaker2(Originator originator)
{
Originator = originator;
}
