代码

        try
        {
            double[] money = 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 < money.Length; i++) 
            {
                Console.Write("请输入第{0}笔购物金额：",i +1);
                money [i] = Convert.ToDouble (Console .ReadLine ());
                sum += money [i];
            }
            Console.WriteLine();
            Console.WriteLine("序号" + "\t"+ "金额（元）");
            for (int i = 0; i < money.Length; i++)
            {
                Console.WriteLine("{0}"+"\t"+"{1}",i+1,money [0]);
            }
            Console.WriteLine("总金额"+"\t"+"{0}",sum);
        }
        catch 
        {
            Console.WriteLine("您输入的格式有误！");
        }
        Console.ReadKey();

效果

image.png