Question

c#中输入年龄并显示,且年龄为负数时异常处理

Answer 1

            while (true)  //主函数中的程序
            {
                Console.Write("请输入您的年龄：");
                int age = 0;
                age = int.Parse(Console.ReadLine());
                try
                {
                    if (age < 0)
                    {
                        throw new Exception();
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine("输入的数为负数");
                    continue;
                }
                break;
                //这是控制台应用程序