namespace MyBank{ class Program { static void Main(string[] args) { Bank b = new Bank(); b.Initial(); b.Alluser(); b.ShowCustomMenu(); } }}
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; } } }}
namespace MyBank{ class Bank { User u = new User(); User[] ugroup = new User[3]; public void Initial() { ugroup[0] = new User(); ugroup[0].name = "王丽丽"; ugroup[0].account = "1797080643561"; ugroup[0].password = "1234"; ugroup[0].identitynum = "121454243245"; ugroup[0].balance = 1000; ugroup[1] = new User(); ugroup[1].name = "张莹莹"; ugroup[1].account = "1797543543536"; ugroup[1].password = "1846"; ugroup[1].identitynum = "513456456545"; ugroup[1].balance = 2000; ugroup[2] = new User(); ugroup[2].name = "李欣欣"; 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() { 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() { 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() { 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 chaxun() { Console.WriteLine("请输入账号:"); string Account = Console.ReadLine(); Console.WriteLine("请输入密码:"); string Pwd = Console.ReadLine(); double a=checkzh(ref Account,ref Pwd); if (a !=0) { string s = string.Format("{0:F2}", a); Console.WriteLine("账户的余额为:" + s); } else { Console.WriteLine("账户不存在"); } Console.ReadLine(); } public double checkzh(ref string a,ref string b) { foreach (User uu in ugroup) { if (a.Equals(uu.account)) { return uu.balance; } } return 0; }
public void ShowCustomMenu() { 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":
chaxun(); break; case "6": break; case "0": break; default: Console.WriteLine("输入无效!"); break; } } } }
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