public void Show() { try { Console.WriteLine(this.GetType().ToString() + "生产的电脑配置"); Console.WriteLine(" CPU : " + cpu.GetCPU()); Console.WriteLine(" HardDisk : " + hd.GetSize()); Console.Write(" MainBoard : "); mb.Attach(cpu); Console.WriteLine(); } catch (Exception ex) { Console.WriteLine(ex.Message); } }