2018-12-27任务一

try
{

            Console.WriteLine("*********欢迎进入奖客富翁系统****************************************************");
            Console.WriteLine("      1.注册");
            Console.WriteLine("      2.登录");
            Console.WriteLine("      3.抽奖");
            Console.WriteLine("************************************************************************************");
            Console.WriteLine("请选择菜单：");
            int menu = Convert.ToInt32(Console .ReadLine ());
            switch (menu)
            { 
                case 1:
                    Console.WriteLine("奖客富翁系统>注册");
                    break;
                case 2:
                    Console.WriteLine("奖客富翁系统>登录");
                    break;
                case 3:
                    Console.WriteLine("奖客富翁系统>抽奖");
                    break ;
            }
            
        }
        catch 
        {
            Console.WriteLine("您输入的有误！");
        }
        Console.ReadKey();