static void Main(string[] args) {

        //输入名字随机显示这个人上辈是什么样的人
        //思路:1、创建能够产生随机数的对象,2、产生随机数 (1,7)
        //新建随机数
        Random r = new Random();
        while (true)
        {
            int rNumber = r.Next(1, 7);
            Console.WriteLine("请输入用户名");
            string name = Console.ReadLine();
            switch (rNumber)
            {
                case 1:Console.WriteLine("{0}上辈子是个老师",name);
                    break;
                case 2:Console.WriteLine("{0}上辈子是个警察",name);
                    break;
                case 3:Console.WriteLine("{0}上辈子是个医生",name);
                    break;
                case 4:
                    Console.WriteLine("{0}上辈子是个科学家",name);
                    break;
                case 5:
                    Console.WriteLine("{0}上辈子是个司机",name);
                    break;
                case 6:
                    Console.WriteLine("{0}上辈子是个护士",name);
                    break;
                case 7:
                    Console.WriteLine("{0}上辈子是个公务员",name);
                    break;
            }
            Console.ReadKey();
        }
       
    }