/// <summary>
/// 备忘录模式
/// </summary>
public static void MementoPattern()
{
var originator = new Originator(new Student
{
Id = 10,
Name = "张三"
});
Console.WriteLine($"现在学生的名称是：{originator.GetStudentName()}");
var caretaker = new Caretaker();
caretaker.student = originator.CreateStudent();
Console.WriteLine($"备份对象：Id:{caretaker.student.Id}，Name:{caretaker.student.Name}");
originator.RemoveStudent();
Console.WriteLine($"移除对象");
Console.WriteLine($"当前学生的名称是：{originator.GetStudentName()}");
originator.RestoreStudent(caretaker.student);
Console.WriteLine($"还原之后学生的名称是：{originator.GetStudentName()}");
}