初学者的习题问题。。应该很简单。。

using System;

using System.Collections.Generic;

using System.Text;



namespace ConsoleApplication7

{

    class Program

    {

        static void Main(string[] args)

        {

            const string myName = "DaQiang";

            const string daHua = "DaHua";

            const string douDou = "DouDou";

            string name;

            Console.WriteLine("please input your name!");

            name = Console.ReadLine();

            switch(name.ToLower())

            {

                case myName:

                    Console.WriteLine("it's myname!");

                break;

                case daHua:

                    Console.WriteLine("it's dahua!");

                break;

                case douDou:

                    Console.WriteLine("it's doudou!");

                break;

                default:

                Console.WriteLine("i don't know!!");

                break;

             }

             Console.ReadKey();

        }

    }

}