MyBankgon功能
2024-08-31 20:36:41
.帐户类 User 复制代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text; namespace MyBank
{
/// <summary>
/// 帐户类
/// </summary>
public class User
{
#region 成员变量
/// <summary>
/// 帐户姓名
/// </summary>
private string _name; public string Name
{
get { return _name; }
set { _name = value; }
} /// <summary>
/// 密码
/// </summary>
private string _password; public string Password
{
get { return _password; }
set { _password = value; }
} /// <summary>
/// 身份证号
/// </summary>
private string _identityNum; public string IdentityNum
{
get { return _identityNum; }
set { _identityNum = value; }
} /// <summary>
/// 帐户余额
/// </summary>
private double _balance; public double Balance
{
get { return _balance; }
set { _balance = value; }
} /// <summary>
/// 帐号
/// </summary>
private string _account; public string Account
{
get { return _account; }
set { _account = value; }
}
#endregion #region 取款
/// <summary>
/// 取款操作
/// </summary>
/// <param name="money">要取的金额</param>
/// <returns>返回余额，输入有误返回-1</returns>
public double MinusMoney(double money)
{
if (money > )
{
if (money <= _balance)
{
_balance -= money;
return _balance;
}
else
{
return -;
} }
else
{
return -;
}
}
#endregion #region 存款
/// <summary>
/// 存款
/// </summary>
/// <param name="money">存款金额</param>
public double SaveMoney(double money)
{
if (money > )
{ _balance += money;
return _balance;
}
else
{
return -;
}
}
#endregion }
}
复制代码
.银行类 Bank 复制代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text; namespace MyBank
{
public class Bank
{
#region 成员变量的定义
User user = new User(); //实例化User对象并赋值
User[] _userGroup = new User[];
const string MESSAGE = "操作成功！";
#endregion #region 初始化三个帐户
/// <summary>
/// 初始化三个帐户
/// </summary>
public void Initial()
{
_userGroup[] = new User();
_userGroup[].Account = "";
_userGroup[].Name = "王丽丽";
_userGroup[].Password = "";
_userGroup[].IdentityNum = "";
_userGroup[].Balance = 1000.1111; _userGroup[] = new User();
_userGroup[].Account = "";
_userGroup[].Name = "张颖颖";
_userGroup[].Password = "";
_userGroup[].IdentityNum = "";
_userGroup[].Balance = ; _userGroup[] = new User();
_userGroup[].Account = "";
_userGroup[].Name = "刘华";
_userGroup[].Password = "";
_userGroup[].IdentityNum = "";
_userGroup[].Balance = ;
}
#endregion #region 显示所有帐户信息
/// <summary>
/// 显示所有帐户的帐号、姓名、密码、身份证号、帐户余额
/// </summary>
public void ShowAllUser()
{
foreach (User userItem in _userGroup)
{
Console.WriteLine("帐户姓名:" + userItem.Name + " 帐号：" + userItem.Account + " 存款余额：" + userItem.Balance + " 密码：" + userItem.Password + " 身份证号：" + userItem.IdentityNum);
}
}
#endregion #region 显示菜单
/// <summary>
/// 显示菜单
/// </summary>
public void ShowCustomMenu()
{
string option = "";
do
{
Console.WriteLine();
Console.WriteLine("==================欢迎使用自动银行服务==================");
Console.WriteLine("1:开户 2:存款 3:取款 4:转帐 5:查询余额 6:修改密码 0:退出");
Console.WriteLine("========================================================");
option = Console.ReadLine();
switch (option)
{
case "":
CreateAccount();
continue;
case "":
Deposit();
continue;
case "":
WithDraw();
continue;
case "":
InputTransferData();
continue;
case "":
ShowBalance();
continue;
case "":
ModifyPwd();
continue;
case "":
break; //结束switch
default:
Console.WriteLine("输入无效！");
continue;
} break; //结束do-while循环
} while (true);
}
#endregion #region 开户
/// <summary>
/// 开户
/// </summary>
public void CreateAccount()
{
//接受输入的数据
Console.WriteLine("请输入帐户名");
user.Name = Console.ReadLine();
user.Account = "";
Console.WriteLine("请输入帐户密码");
user.Password = Console.ReadLine();
Console.WriteLine("请输入帐户身份证号");
user.IdentityNum = Console.ReadLine();
Console.WriteLine("请输入帐户存款金额");
user.Balance = double.Parse(Console.ReadLine()); Console.WriteLine("帐户：{0}，帐户名：{1}，存款金额：{2}创建成功!", user.Account, user.Name, user.Balance);
//Console.ReadLine();
}
#endregion #region 取款
/// <summary>
/// 取款
/// </summary>
public void WithDraw()
{
string account = ""; //帐号
string pwd; //密码 Console.WriteLine("请输入帐号:");
account = Console.ReadLine();
if (account.Length == )
{
Console.WriteLine("输入的帐号不正确！");
return;
}
// 新增：在3个帐户中查找指定的帐户
User user = CheckUserByAccount(account);
if (user == null)
{
Console.WriteLine("输入的帐号不正确！");
return;
} //接收帐户密码，并验证
Console.WriteLine("请输入帐户密码:");
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.MinusMoney(money);
if (result == -)
{
Console.WriteLine("取款失败");
}
else
{
Console.WriteLine("取款成功!当前余额:" + result);
}
}
#endregion #region 存款
/// <summary>
/// 存款
/// </summary>
public void Deposit()
{
string account = ""; //帐号
double money = ; //存款金额 Console.WriteLine("请输入帐号:");
account = Console.ReadLine();
Console.WriteLine("请输入存入金额:");
money = double.Parse(Console.ReadLine()); User user;
if ((user = CheckUserByAccount(account)) == null)
{
Console.WriteLine("您输入的帐号不存在!");
} if (user.SaveMoney(money) > )
{
Console.WriteLine(MESSAGE + "当前余额：" + user.Balance);
}
else
{
Console.WriteLine("存款失败！");
} }
#endregion #region 判断帐户是否存在
/// <summary>
/// 通过帐号判断帐户是否存在
/// </summary>
/// <param name="account">帐号</param>
/// <returns>存在返回user对象，不存在返回null</returns>
private User CheckUserByAccount(string account)
{
foreach (User user in _userGroup)
{
if (user.Account == account)
{
return user;
}
}
return null;
} /// <summary>
/// 根据帐号和密码判定帐户是否存在
/// </summary>
/// <param name="account">帐号</param>
/// <param name="pwd">密码</param>
/// <returns>User & null</returns>
private User CheckUser(string account,string pwd)
{
foreach (User user in _userGroup)
{
if (user.Account == account && user.Password ==pwd)
{
return user;
}
}
return null;
}
#endregion #region 转帐
/// <summary>
/// 转帐输入输出信息
/// </summary>
public void InputTransferData()
{
Console.WriteLine("请输入转出帐号：");
string fromAccount = Console.ReadLine();
Console.WriteLine("请输入转出帐户密码：");
string fromPwd = Console.ReadLine();
Console.WriteLine("请输入转入帐号：");
string toAccount = Console.ReadLine();
Console.WriteLine("请输入转帐金额：");
double money = double.Parse(Console.ReadLine());
double fbalance = , tbalance = ; // 执行转帐操作
int iRet = Transfer(fromAccount, fromPwd, toAccount, money, ref fbalance, ref tbalance);
if (iRet == )
{
Console.WriteLine("转帐成功，转出帐号{0}的余额为：{1}，转入帐号{2}的余额为：{3}", fromAccount, fbalance, toAccount, tbalance);
}
else if (iRet == -)
{
Console.WriteLine("转出帐户的帐号或密码输入错误！");
}
else if (iRet == -)
{
Console.WriteLine("转入帐号不正确！");
}
else if (iRet == -)
{
Console.WriteLine("转帐操作失败！");
} } /// <summary>
/// 执行转帐操作
/// </summary>
/// <param name="fAccount">当前帐号</param>
/// <param name="fPwd">帐号密码</param>
/// <param name="tAccount">转帐帐号</param>
/// <param name="money">转帐金额</param>
/// <param name="fBalance">当前帐号余额</param>
/// <returns>-1：帐号或密码输入错误；1：转帐成功；0：转帐帐号不存在</returns>
private int Transfer(string fAccount, string fPwd, string tAccount, double money, ref double fBalance, ref double tBalance)
{
//检查转出帐号和密码
User userfrom = CheckUser(fAccount, fPwd);
if (userfrom == null) //转出帐户和密码不正确
{
return -;
}
//检查转入帐号
User userTo = CheckUserByAccount(tAccount);
if (userTo == null) //转入帐号不正确
{
return -;
} //取款
if (userfrom.MinusMoney(money) == -) //转帐操作失败
{
return -;
}
//取得余额
fBalance = userfrom.Balance; //存款
if (userTo.SaveMoney(money) == -) //转帐操作失败
{
return -;
} tBalance = userTo.Balance; return ; }
#endregion #region 显示帐户余额
/// <summary>
/// 显示帐户余额
/// </summary>
public void ShowBalance()
{
string accountName = ""; //当前帐号
string password = ""; //当前帐户密码
Console.WriteLine("请输入帐号");
accountName = Console.ReadLine();
Console.WriteLine("请输入密码");
password = Console.ReadLine();
User user = CheckUser(accountName, password);
if (user == null)
{
Console.WriteLine("当前帐号不存在");
}
else
{
Console.WriteLine("帐户的余额是:" + user.Balance.ToString ("0.00"));
}
}
#endregion #region 修改密码
public void ModifyPwd()
{
string accountName = ""; //当前帐号
string password = ""; //当前帐户密码
Console.WriteLine("请输入帐号");
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("请再次输入新密码");
newPwd2 = Console.ReadLine(); if(CheckPwd(accountName, password, newPwd1, newPwd2)==true)
Console.WriteLine("帐户密码修改成功！");
else
Console.WriteLine("帐户密码修改失败！"); } public bool CheckPwd(string accountName, string password, string newPwd1, string newPwd2)
{
User user = CheckUser(accountName, password);
if (user == null)
{
Console.WriteLine("当前帐号不存在");
return false;
} if (newPwd1 != newPwd2)
{
Console.WriteLine("两只输入的帐户密码不一致！");
return false;
}
else
{
user.Password = newPwd1;
return true;
}
}
#endregion
} }
复制代码 .最关键的也是最后的了，Program类， 关于系统运行 复制代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text; namespace MyBank
{
class Program
{
static void Main(string[] args)
{
Bank myBank = new Bank(); //开户
//myBank.CreateAccount(); //初始化数据
myBank.Initial(); //显示所有帐户
myBank.ShowAllUser(); //显示菜单
myBank.ShowCustomMenu(); //取款
//myBank.WithDraw();
}
}
}
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