前言：

大家一起学习进步，提出改进意见

代码实现：

using System;
using System.Reflection;namespace FIfthtest_banksystem
{public class Program{static void Main(string[] args){Account[] accounts = new Account[3];{new Account { ClientAccount = "101", Name = "张麻子", ClientType = "vip", Password = "123", Money = 1000 };new Account { ClientAccount = "102", Name = "张帽子", ClientType = "normal", Password = "123", Money = 100 };new Account { ClientAccount = "103", Name = "张牧之", ClientType = "normal", Password = "123", Money = 10 };}bool flags = true;while (flags){Console.WriteLine("请选择你的操作1.开户 2.销户 3.查找账户 4账户管理 5.退出");int choice = int.Parse(Console.ReadLine());Bank bank = new Bank();switch (choice){case 1:bank.SetAccount();break;case 2:bank.DeleteCilent(accounts);break;case 3:bank.FindClient(accounts);break;case 4:ATMPopAndPush atmPopAndPush = new ATMPopAndPush();Console.WriteLine("请输入你的账号密码");string acc= Console.ReadLine();string pawd=Console.ReadLine();atmPopAndPush.IsMatch(accounts, acc, pawd);Console.WriteLine("请选择你的操作1.存钱 2.取钱 3.退出");int choiceinner = int.Parse(Console.ReadLine());Console.WriteLine("请输入屏幕提示的序号");int index=int.Parse(Console.ReadLine());switch (choiceinner){case 1:Console.WriteLine("请输入打算存入的金额");float mon=int.Parse(Console.ReadLine());atmPopAndPush.SaveMoney(accounts[index].Money,mon);break;case 2:Console.WriteLine("请输入打算取出的金额");float demon = int.Parse(Console.ReadLine());atmPopAndPush.UpdateMoney(accounts[index].Money,demon);break;case 3:flags = false;break;default:Console.WriteLine("暂无此选项！");break;}break;case 5:flags = false;break;default:Console.WriteLine("暂无此选项！");break;}}}}
}
//账号类
public class Account
{private string name;private string password;private float money;private string clientType;private string clientaccount;public string Name{ get { return name; } set { name = value; } }public string Password{ get { return password; } set { password = value; } }public float Money{ get { return money; } set { money = value; } }public string ClientType{ get { return clientType; } set { clientType = value; } }public string ClientAccount{ get { return clientaccount; } set { clientaccount = value; } }}
//银行类 开户，销户，查找账户
public class Bank
{public void SetAccount(){Console.WriteLine("Please input account,name,clienttype,password and money one by one!");string account = Console.ReadLine();string name = Console.ReadLine();string clientType = string.Empty;int password = int.Parse(Console.ReadLine());int money = int.Parse(Console.ReadLine());Console.WriteLine("choose index of normal or vip.");Console.WriteLine("11.normal    2.vip");int type = int.Parse(Console.ReadLine());switch (type){case 1:clientType = "normal";Console.WriteLine("you choose noraml");break;case 2:clientType = "vip";Console.WriteLine("you choose noraml");break;default:Console.WriteLine("watch the request carefully!");break;}}public void FindClient(Account[] account){Console.WriteLine("please input client's account");string sbaccount = Console.ReadLine();for (int i = 0; i <= account.Length; i++){if (account[i].ClientAccount == sbaccount){ Console.WriteLine("Finded!"); }else { Console.WriteLine("NO ONE!"); }}}public void DeleteCilent(Account[] account){Console.WriteLine("input the client's account you wanna delete!");int accountnum = int.Parse(Console.ReadLine());account[accountnum].ClientAccount = "已销户";account[accountnum].Name = "已销户";account[accountnum].ClientType = "已销户";account[accountnum].Money = 0;account[accountnum].Password = "已销户";}
}
//存款，取款，查账public class ATMPopAndPush
{public bool IsMatch(Account[] account, string clientaccount, string password){for (int i = 0; i < 3; i++){if (account[i].ClientAccount == clientaccount && account[i].Password == password){Console.WriteLine("你的序号是{0}", int.Parse(clientaccount)-1001);return true;}else{return false;Console.WriteLine("This card has banned.Please call us for helping!");}}return true;}public double SaveMoney(float money, float savedMoney){Console.WriteLine("余额：{0}", money + savedMoney);return money + savedMoney;}public double UpdateMoney(float money, float delMoney){Console.WriteLine("余额：{0}", money - delMoney);return money - delMoney;}
}