购物金额结算

            try
            {
                double[] a = new double[5];
                double sum = 0;
                Console.WriteLine("请输入会员本月的消费记录");

                for (int i = 0; i < a.Length; i++)
                {
                    Console.Write("请输入第{0}笔消费金额:", i + 1);
                    a[i] = Convert.ToDouble(Console.ReadLine());
                    sum += a[i];
                }
                Console.WriteLine("\n");
                Console.WriteLine("序号\t\t金额(元）");
                for (int i = 0; i < a.Length; i++)
                {
                    Console.WriteLine("{0}\t\t{1}", i + 1, a[i]);
                }
                Console.WriteLine("总金额t\t\t56{0}", sum);


            }
            catch
            {
                Console.WriteLine("输入有误！");
            }
            Console.ReadKey();

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