C# MyBank

来源：互联网发布：网络安全法的争议内容编辑：程序博客网时间：2024/06/07 06:35

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace MyBank{    class User    {        public string name;        public string password;        public string identitynum;        public double balance;        public string account;        public double MinusMoney(double money)        {            if (money > 0)            {                if (money <= balance)                {                    balance -= money;                    return balance;                }                else                {                    return -1;                }            }            else            {                return -1;            }        }        public double SaveMoney(double money)        {            if (money > 0)            {                balance += money;                return balance;            }            else            {                return -1;            }        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace MyBank{    class Program    {        static void Main(string[] args)        {            Bank b = new Bank();            b.Initial();            b.Alluser();            b.ShowCustomMenu();        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace MyBank{    class Bank    {        User u = new User();        User[] ugroup = new User[3];        public void Initial()//开户        {            ugroup[0] = new User();            ugroup[0].name = "王高铖";            ugroup[0].account = "1797080643561";            ugroup[0].password = "1234";            ugroup[0].identitynum = "121454243245";            ugroup[0].balance = 1000;            ugroup[1] = new User();            ugroup[1].name = "荆小佚";            ugroup[1].account = "1797543543536";            ugroup[1].password = "1846";            ugroup[1].identitynum = "513456456545";            ugroup[1].balance = 2000;            ugroup[2] = new User();            ugroup[2].name = "略略略";            ugroup[2].account = "1544545543536";            ugroup[2].password = "5451";            ugroup[2].identitynum = "542867654212";            ugroup[2].balance = 8000;        }        public void Alluser()        {            foreach (User uu in ugroup)            {                Console.WriteLine("账户姓名:{0} 账号:{1} 存款余额:{2} 密码:{3} 身份证号:{4}", uu.name, uu.account, uu.balance, uu.password, uu.identitynum);            }        }        public void CreateAccont()        {            Console.WriteLine("请输入用户名:");            u.name = Console.ReadLine();            u.account = "179708064356";            Console.WriteLine("请输入用户密码:");            u.password = Console.ReadLine();            Console.WriteLine("请输入用户身份证号:");            u.identitynum = Console.ReadLine();            Console.WriteLine("请输入用户存款金额:");            u.balance = double.Parse(Console.ReadLine());            Console.WriteLine("账户:{0},用户名:{1},存款金额:{2} 创建成功!", u.account, u.name, u.balance);            Console.ReadLine();        }        public void WithDraw()//取款        {            string account;            string pwd;            Console.WriteLine("请输入账号:");            account = Console.ReadLine();            if (account.Length == 0)            {                Console.WriteLine("输入的账号不正确!");                return;            }            Console.WriteLine("请输入密码:");            pwd = Console.ReadLine();            if (!pwd.Equals(u.password))            {                Console.WriteLine("密码有误!");                return;            }            Console.WriteLine("请输入取款金额:");            double money = double.Parse(Console.ReadLine());            double result = u.MinusMoney(money);            if (result == -1)            {                Console.WriteLine("取款失败");            }            else            {                Console.WriteLine("取款成功!当前余额:" + result);            }            Console.ReadLine();        }        public void Save()//存款        {            string account;            string pwd;            Console.WriteLine("请输入账号:");            account = Console.ReadLine();            if (account.Length == 0)            {                Console.WriteLine("输入的账号不正确!");                return;            }            Console.WriteLine("请输入密码:");            pwd = Console.ReadLine();            if (!pwd.Equals(u.password))            {                Console.WriteLine("密码有误!");                return;            }            Console.WriteLine("请输入存款金额:");            double money = double.Parse(Console.ReadLine());            double result = u.SaveMoney(money);            if (result == -1)            {                Console.WriteLine("存款失败");            }            else            {                Console.WriteLine("存款成功!当前余额:" + result);            }            Console.ReadLine();        }        private int Transfer(string fAccount, string fPwd, string tAccount, double money, ref double fBalance, ref double tBalance)        {            User uf = Checkuser(fAccount, fPwd);            if (uf == null)            {                return -1;            }            User ut = Checkuserbyaccount(tAccount);            if (ut == null)            {                return -2;            }            if (uf.MinusMoney(money) == -1)            {                return -3;            }            fBalance = uf.balance;            if (ut.SaveMoney(money) == -1)            {                return -3;            }            tBalance = ut.balance;            return 1;        }        public void Inputtransferdata()//转账        {            Console.WriteLine("请输入转出账号:");            string fromAccount = Console.ReadLine();            Console.WriteLine("请输入转出账户密码:");            string fromPwd = Console.ReadLine();            Console.WriteLine("请输入转入账号:");            string toAccount = Console.ReadLine();            Console.WriteLine("请输入转账金额:");            double money = double.Parse(Console.ReadLine());            double fbalance = 0, tbalance = 0;            int iRet = Transfer(fromAccount, fromPwd, toAccount, money, ref fbalance, ref tbalance);            if (iRet == 1)            {                Console.WriteLine("转账成功,转出账号{0}余额为:{1},转入账号{2}余额为:{3}", fromAccount, fbalance, toAccount, tbalance);            }            else if (iRet == -1)            {                Console.WriteLine("转出账户的账号或密码输入错误!");            }            else if (iRet == -2)            {                Console.WriteLine("转入账号不正确!");            }            else if (iRet == -3)            {                Console.WriteLine("转账操作失败!");            }            Console.ReadLine();        }        //访问修饰符/ 返回值类型/ 方法名(参数类型/参数列表);          public User Checkuser(string fromAccount, string fromPwd)        {            foreach (User uu in ugroup)            {                if (fromAccount.Equals(uu.account) && fromPwd.Equals(uu.password))                {                    return uu;                }            } return null;        }        public User Checkuserbyaccount(string taccount)        {            foreach (User uu in ugroup)            {                if (taccount.Equals(uu.account))                {                    return uu;                }            } return null;        }               public void ShowCustomMenu()//主页面        {            string option;            Console.WriteLine("=========欢迎使用自助银行服务=========");            Console.WriteLine("1:开户 2:存款 3:取款 4:转账 5:查询余额 6:修改密码 0:退出");            Console.WriteLine("======================================");            option = Console.ReadLine();            switch (option)            {                case "1":                    CreateAccont();                    break;                case "2":                    Save();                    break;                case "3":                    WithDraw();                    break;                case "4":                    Inputtransferdata();                    break;                case "5":                                        break;                case "6":                    break;                case "0":                    break;                default:                    Console.WriteLine("输入无效!");                    break;            }        }           }}

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