第十一天学习内容 综合应用 网吧管理系统

using System;
using System.Collections;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace day11
{
    class Class1
    {
      
        struct huiyuan  //定义一个会员的结构体
        {
            public string name;
            public string mima;
            public double yue;
        }
        static void Main(string[] args)
        {
            Console.ForegroundColor = ConsoleColor.Black;
            Console.BackgroundColor = ConsoleColor.White;
            Console.Clear();
            ArrayList hy = new ArrayList(); //新建一个hy的集合用来存放会员信息
            Console.WriteLine("********************一网情深网吧欢迎您*************************");
            Console.WriteLine();
            while (true)
            {


                Console.WriteLine("请选择您要执行的操作:1、会员管理 2、充值管理");
                int n = Convert.ToInt32(Console.ReadLine());
                xz(n,hy);   //调用选择函数 把输入的数字和存放会员的集合传进去
            }
        }
        /// <summary>
        /// 选择函数
        /// </summary>
        /// <param name="n"></param>
        /// <param name="hy"></param>
        static public void xz(int n ,ArrayList hy)
        {
            switch (n)
            {
                case 1: //如果输入的数字为1,则进行以下操作
                    Console.WriteLine("请选择你要执行的操作:1、新增会员  2、删除会员  3、余额查询");
                    int x = Convert.ToInt32(Console.ReadLine());
                    hygl(x,hy); //输入数字后调用会员管理函数
                    break;
                case 2: //如果输入的数字为2,则进行以下操作
                     Console.WriteLine("请选择你要执行的操作:1、充值服务  2、扣费服务");
                    int y = Convert.ToInt32(Console.ReadLine());
                    czgl(y,hy);//输入数字后调用充值管理函数
                    break;
                default:
                    break;
            }
        }
        /// <summary>
        /// 会员管理函数
        /// </summary>
        /// <param name="n"></param>
        /// <param name="hy"></param>
        static public void hygl(int n ,ArrayList hy)
        {
           
            switch (n)
            {
                case 1://如果输入的数字为1,则进行以下操作
                    huiyuan m = new huiyuan();  //新建一个huiyuan的结构体类型
                    Console.Write("请输入你的用户名:");
                    m.name = Console.ReadLine();
                    Console.Write("请输入你的密码:");
                    m.mima = Console.ReadLine();
                    m.yue = 0;
                    hy.Add(m);//把输入的信息添加到hy的集合中
                    Console.WriteLine("新建会员成功!");
                    Console.WriteLine();
                    break;
                case 2://如果输入的数字为2,则进行以下操作
                    Console.Write("请输入你想要删除的用户名:");
                    string ss = Console.ReadLine();
                    for (int i = 0; i < hy.Count; i++)
                    {
                        if (ss==((huiyuan)hy[i]).name)//如果输入的用户名和hy集合中的用户名相同
                        {
                            hy.RemoveAt(i);//则移除hy集合中该元素
                            Console.WriteLine("删除会员成功!");
                            break;
                        }
                    }
                    break;
                case 3:
                    Console.Write("请输入你想要查询余额的用户名:");
                      string s = Console.ReadLine();
                    for (int i = 0; i < hy.Count; i++)
                    {
                        if (s == ((huiyuan)hy[i]).name)//如果输入的用户名和hy集合中的用户名相同
                        {
                            Console.WriteLine("用户名:"+((huiyuan)hy[i]).name+" 余额:"+((huiyuan)hy[i]).yue);
                            break;
                        }
                    }
                    break;
                default:
                    break;
            }
        }
        /// <summary>
        /// 充值管理函数
        /// </summary>
        /// <param name="n"></param>
        /// <param name="hy"></param>
        static public void czgl(int n, ArrayList hy)
        {
            switch (n)
            {
                case 1:
                    huiyuan temp = new huiyuan();  //新建一个临时的huiyuan结构体类型的temp
                    Console.Write("请输入你要充值的用户名:");
                    string a = Console.ReadLine();
                    for (int i = 0; i < hy.Count; i++)
                    {
                        if (a == ((huiyuan)hy[i]).name)
                        {
                            temp = ((huiyuan)hy[i]);//如果输入的用户名和hy集合中的用户名相同,就把集合中的该元素赋给temp
                            Console.WriteLine("用户名:" + temp.name + " 余额:" + temp.yue);
                            Console.Write("请输入您要充值的金额:");
                           
                            double m = Convert.ToDouble(Console.ReadLine());
                            int jl = 0; //充值奖励办法
                            if (m < 10)
                            {

                                jl = 0;
                            }
                            else if (m >= 10 && m < 20)
                            {
                                jl = 2;
                            }
                            else if (m >= 20 && m < 50)
                            {
                                jl = 5;
                            }
                            else if (m >= 50 && m < 100)
                            {
                                jl = 15;
                            }
                            else if (m >= 100 && m < 200)
                            {
                                jl = 50;
                            }
                            else if (m >= 200 && m < 300)
                            {
                                jl = 150;
                            }
                            else if (m >= 300)
                            {
                                jl = Convert.ToInt32(m);
                            }
                            temp.yue +=(m + jl);//判断完成后重新计算余额
                            hy.Insert(i, temp);//把temp插入到索引i的位置
                            hy.RemoveAt(i + 1);//并把原先的元素删掉(这是集合中更新数据的方法,插入新数据删掉原先的数据)
                            Console.WriteLine("用户名:" + temp.name + " 充值后余额:" + temp.yue);
                            break; 
                        }

       
                       
                    }
                    break;
               

                default:
                    break;
            }

        }
    }
}

原文地址:https://www.cnblogs.com/William-1234/p/4334226.html