static void Main(string[] args) { Console.WriteLine("*************************************************************"); Console.WriteLine("* *"); Console.WriteLine("* 1:新建笔记 2:打开笔记 *"); Console.WriteLine("* 3:新建分类 4:管理分类 *"); Console.WriteLine("* 5:保存笔记 6:退出 *"); Console.WriteLine("* *"); Console.WriteLine("*************************************************************"); Console.WriteLine("请输入菜单选项(1-6):"); Note note = new Note(); Classify classify = new Classify(); while (true) { int option; option = Int16.Parse(Console.ReadLine()); switch (option) { case 1: note.Create(); break; case 2: note.Open(); break; case 3: classify.Create(); break; case 4: classify.Manage(); break; case 5: note.Save(); break; case 6: Environment.Exit(0); break; default: Console.WriteLine("输入有误!"); break; } } }