嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿和

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication4
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("欢迎进入魔法师迷你游戏平台");
Console.WriteLine("请选择您喜爱的游戏：");
Console.WriteLine("****************************************");
Console.WriteLine(@"
1.斗地主
2.斗牛
3.泡泡龙
4.连连看");
Console.WriteLine("****************************************");
Console.Write("请选择：");
string str_num = Console.ReadLine();
try
{
int num = Convert.ToInt32(str_num);
switch (num)
{
case 1:
Console.WriteLine("您已进入斗地主房间");
break;
case 2:
Console.WriteLine("您已进入斗牛房间");
break;
case 3:
Console.WriteLine("您已进入泡泡龙房间");
break;
case 4:
Console.WriteLine("您已进入连连看房间");
break;

            }

        }

        catch
        {
            Console.WriteLine("您输入的是非数字，程序退出,请重新运行程序");
            Console.ReadKey();
        }
    }
}

}