static void Main(string[] args) { Console.WriteLine("请你输入您想要的笔记本品牌"); string brand = Console.ReadLine(); NoteBook nb = GetNoteBook(brand); nb.SayHello(); Console.ReadKey(); }
/// <summary> /// 简单工厂设计模式的核心:根据用户的输入创建对象 赋值给父类 /// </summary> /// <param name="brand"></param> /// <returns></returns> public static NoteBook GetNoteBook(string brand) { NoteBook nb = null; switch (brand) { case "Lenovo": nb = new Lenovo(); break; case "IBM": nb = new IBM(); break; case "Acer": nb = new Acer(); break; case "Dell": nb = new Dell(); break; } return(nb); }