using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplication1{ class User { private string name; public string Name { get { return name; } set { name = value; } } private string password; public string Password { get { return password; } set { password = value; } } private string ident; //身份证号 public string Ident { get { return ident; } set { ident = value; } } private double blance; //余额 public double Blance { get { return blance; } set { blance = value; } } private string account; //账号 public string Account { get { return account; } set { account = value; } } public double Minu(double money) //取款方法 { if (money > 0) { if (money <= blance) { blance -= money; return blance; } else { return -1; } } else { return -1; } } public double Snmmbobey(double money) { if (money > 0) { blance += money; return blance; } else { return -1; } } }}
//Bank类
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplication1{ class Bank { //实例化User对象并赋值 User user = new User(); User[] fell = new User[3]; public void Initial() { fell[0] = new User(); fell[0].Account = "112233"; fell[0].Name = "王丽丽"; fell[0].Password = "111111"; fell[0].Ident = "4561231254"; fell[0].Blance = 5000; fell[1] = new User(); fell[1].Account = "445566"; fell[1].Name = "小轩"; fell[1].Password = "222222"; fell[1].Ident = "4561231254"; fell[1].Blance = 4000; fell[2] = new User(); fell[2].Account = "778899"; fell[2].Name = "小华"; fell[2].Password = "333333"; fell[2].Ident = "4561231254"; fell[2].Blance = 3000; } public void Shu() { foreach(User userIe in fell) { Console.WriteLine("账户姓名{0} , 账号{1} , 身份证号{2} , 余额{3}",userIe.Name,userIe.Account,userIe.Ident,userIe.Blance); } } public void Show() { string option = ""; do{ Console.WriteLine("=============欢迎使用自动银行服务=============="); Console.WriteLine("0:开户 1:存款 2:取款 3:转账 4:查询余额 5:修改密码 6:退出!"); Console.WriteLine("==========================================="); Console.WriteLine("请输入数字:"); option = Console.ReadLine(); switch(option) { case "0": Cear(); continue; case "1": ck(); continue; case "2": With(); continue; case "3": Intput(); continue; case "4": sufor(); continue; case "5": Modif(); continue; case "6": pout(); break; default: Console.WriteLine("输入无效!"); continue; } break; }while(true); } public void Cear() { //接收输入的数据 Console.WriteLine("请输入用户名:"); user.Name = Console.ReadLine(); user.Account = "123"; Console.WriteLine("请输入用户密码:"); user.Password = Console.ReadLine(); Console.WriteLine("请输入身份证号:"); user.Ident = Console.ReadLine(); Console.WriteLine("请输入用户余额:"); user.Blance = double.Parse(Console.ReadLine()); Console.WriteLine("账户:{0},用户名:{1},存款余额:{2} 创建成功!",user.Account,user.Name,user.Blance); } public void ck() //存款方法 { string account = ""; double money = 0; Console.WriteLine("请输入账号:"); account = Console.ReadLine(); Console.WriteLine("请输入金额:"); money = double.Parse(Console.ReadLine()); User user; if((user=CheckUserByAccount(account))==null) { Console.WriteLine("您输入的账号不存在!"); } if (user.Snmmbobey(money) > 0) { Console.WriteLine("当前余额为:" + user.Blance); } else { Console.WriteLine("存款失败!"); } } private User CheckUserByAccount(string account) { foreach(User user in fell) { if(user.Account.Equals(account)) { return user; } } return null; } private User CheckUser(string account, string pwd) {foreach(User user in fell ){ if(user.Account.Equals(account)&&user.Password.Equals(pwd)) { return user; }}return null; } public void Modif() //修改密码 { string accountName=""; string password = ""; Console.WriteLine("请输入账号:"); accountName = Console.ReadLine(); Console.WriteLine("请输入原密码:"); password = Console.ReadLine(); string newpwd1, newpwd2; Console.WriteLine("请输入新密码:"); newpwd1 = Console.ReadLine(); Console.WriteLine("请再次输入密码:"); newpwd2 = Console.ReadLine();if(Checkpwd(accountName,password,newpwd1,newpwd2)==true) Console.WriteLine("账户密码修改成功!"); else Console.WriteLine("账户密码修改失败!");}public bool Checkpwd(string accountName,string password,string newpwd1,string newpwd2){ User user=CheckUser(accountName,password); if(user == null) { Console.WriteLine("当前账号不存在!"); return false; } if(newpwd1 != newpwd2) { Console.WriteLine("两次输入的账号密码不一致!"); return false; } else { user.Password =newpwd1; return true; } } //取款方法 public void With() { string account = ""; //账号 string pwd; //密码 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; } User user=CheckUserByAccount(account); if (user == null) { Console.WriteLine("输入的账号不正确!"); return; } //接收账户密码,并验证 Console.WriteLine("请输入账户密码:"); pwd = Console.ReadLine(); if(user.Password != pwd) { Console.WriteLine("密码有误!"); return; } Console.WriteLine("请输入取款金额:"); double money = double.Parse(Console.ReadLine()); double result = user.Minu(money); if (result == -1) { Console.WriteLine("取款失败!"); } else { Console.WriteLine("取款成功!当前余额:"+result); } } //转账 public void Intput() { 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("转出账号或密码不正确!"); } 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!"); } } ///<param name=:"fAccount">转出账号</param> ///<param name=:"fpwd">转出账号密码</param> ///<param name=:"tAccount">转入账号</param> ///<param name=:"fBalance">转出账户存款余额</param> ///<param name=:"tBalance">转入账号</param> ///<returns>1:转账成功; -1:转出账号或密码不正确! ; ///-2;转入账号不正确!; -3:转账操作失败</return> private int Transfer(string fAccount, string fpwd, string tAccount, double money, ref double fBalance, ref double tBalance) { //检查转出账号和密码 User userfrom = CheckUser(fAccount, fpwd); if (userfrom == null) { return -1; } //检查转入账号 User userTO = CheckUserByAccount(tAccount); if (userTO == null) { return -2; } if (userfrom.Minu(money) == -1) { return -3; } //取得余额 fBalance = userfrom.Blance; //存款 if (userTO.Snmmbobey(money) == -1) { return -3; } tBalance = userTO.Blance; return 1; } //查询余额 public void sufor() { Console.WriteLine("请输入账号:"); string account = Console.ReadLine(); Console.WriteLine("请输入密码:"); string password = Console.ReadLine(); for (int i = 0; i < fell.Length;i++ ) { if (fell[i].Account.Equals(account) && fell[i].Password.Equals(password)) { Console.WriteLine("账户的余额为:" +string.Format("{0,-8:F2}", fell[i].Blance)); break; } else if(i==fell.Length-1) { Console.WriteLine("账号不存在! 请重新输入!"); return; } } }public void pout() { Console.WriteLine("退出!"); } }}
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplication1{ class Program { static void Main(string[] args) { Bank y = new Bank(); y.Initial(); Console.WriteLine("初始化账号信息成功!"); y.Shu(); y.Show(); Console.ReadLine(); } }}
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