网吧充值 函数+Swich+ArrayList版

namespace ConsoleApplication1
{
    class Program
    {
        struct huiyuan
        {
            public string name;
            public string password;
            public double yue;
        }
        static void Main(string[] aaa)
        {
            ArrayList Ul = new ArrayList();
            while (true)
            {
                try
                {
                    Console.WriteLine("请输入您要执行的操作：(1、会员管理\t2、充值管理)");
                    int x = Convert.ToInt32(Console.ReadLine());
                    m(x, Ul);
                }
                catch (Exception)
                {


                }
            }

        }
        static void m(int x, ArrayList al)
        {
            switch (x)
            {
                case 1:
                    Console.WriteLine("1、添加会员\t2、删除会员\t3、余额查询");
                    int xx = Convert.ToInt32(Console.ReadLine());
                    huiyuanfuwu(xx, al);
                    break;
                case 2:
                    Console.WriteLine("1、充值服务\t2、扣费服务");
                    int xxx = Convert.ToInt32(Console.ReadLine());
                    chongzhiguanli(xxx, al);
                    break;
                default:
                    break;
            }
        }

        static void chongzhiguanli(int x, ArrayList al)
        {
            switch (x)
            {
                case 1:
                    Console.Write("请输入要充值的用户名：");
                    string sname = Console.ReadLine();
                    foreach (huiyuan item in al)
                    {
                        if (item.name == sname)
                        {

                            Console.WriteLine("当前余额为：" + item.yue);
                            Console.Write("请输入充值金额：");
                            double m = Convert.ToInt32(Console.ReadLine());
                            chongzhi(m, al, sname);
                            break;

                        }
                    }
                    break;
                default:
                    break;
            }
        }

        static void chongzhi(double m, ArrayList al, string sname)
        {
            double x = 0;//奖励金额


            if (m >= 10 && m < 20)
            {
                x = 2;
            }
            else if (m >= 20 && m < 50)
            {
                x = 5;
            }
            else if (m >= 50 && m < 100)
            {
                x = 20;
            }
            else if (m >= 100 && m < 200)
            {
                x = 50;
            }
            else if (m >= 200 && m < 300)
            {
                x = 150;
            }
            else if (m >= 300)
            {
                x = m;
            }
            else
            {
                x = 0;
            }
            huiyuan temp = new huiyuan();
            for (int i = 0; i < al.Count; i++)
            {
                temp = ((huiyuan)al[i]);
                if (temp.name == sname)
                {

                    temp.yue += Convert.ToDouble(m + x);
                    Console.WriteLine("本次充值成功，充值金额为" + m + "。奖励金额为:" + x + ".充值后余额为：" + temp.yue);
                    al.Insert(i, temp);
                    al.RemoveAt(i + 1);
                    break;
                }

            }

        }
        static void huiyuanfuwu(int x, ArrayList al)
        {
            switch (x)
            {
                case 1:
                    huiyuan h = new huiyuan();
                    Console.Write("请输入用户名：");
                    h.name = Console.ReadLine();
                    Console.Write("请输入密码：");
                    h.password = Console.ReadLine();
                    h.yue = 0;
                    al.Add(h);
                    break;
                case 2:
                    Console.Write("请输入要删除的用户名：");
                    string dname = Console.ReadLine();
                    foreach (huiyuan item in al)
                    {
                        if (item.name == dname)
                        {
                            al.Remove(item);
                            Console.WriteLine("删除成功！");
                            break;
                        }
                    }

                    break;
                case 3:
                    Console.Write("请输入要查询的用户名：");
                    string sname = Console.ReadLine();
                    foreach (huiyuan item in al)
                    {
                        if (item.name == sname)
                        {

                            Console.WriteLine("当前余额为：" + item.yue);
                        }
                    }
                    break;
                default:
                    break;
            }
        }

    }
}