static void Main(string[] args) { Text text = new Text(); Classification classify = new Classification(); while (true) { 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("请选择要执行的功能(1-6):"); while (true) { int option = int.Parse(Console.ReadLine()); switch (option) { case 1: text.Createnote(); break; case 2: text.Opennote(); break; case 3: classify.CreateClassification(); break; case 4: classify.ManageClassification(); break; case 5: text.Savenote(); break; case 6: Environment.Exit(0); break; default: Console.WriteLine("输入有误!"); break; } } } }