银行业务办理

代码如下：

#ifndef __BANK_H  
#define __BANK_H  
#include "User.h"  

#include <cstring>  
#include <string>  
#include <vector>  

using namespace std;  
const int upNum = 1000;  

class Bank  
{  
public:  
    Bank();//从文件中读数据到数组中  
    ~Bank();//写入文件  
    void work();//业务驱动  
    void openAccount();//开户  
    void cancelAccount();//注销账户  
    void save();//存款  
    void withdraw();//取款  
    void showAccount();//查询余额  
    void transferAccounts();//转账  
    void reportLoss();//挂失  
    void cancelLoss();//解挂  
    void updataPassword();//更改密码  
    int getUser();//输入账号查询用户  
private:  
    int N;//用户数目  
    User users[upNum];  
};  

int pass();  
int chooseInMenu();  
int inputPassword();  

#endif  

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#pragma once  
#include <string>  
#include <iostream>  

using namespace std;  
class bank;  

class User  
{  
public:  
    User()  
    {}  
    void setUser(int acc, string nam, int pw, double bal, int sta);  
    void showName();  
    void showBalance(string prompt);  
    bool passwordIsright();  
    bool isNormalUser();  
    friend class Bank;  
private:  
    int account;//账号  
    int password;//密码  
    string name;//用户名  
    double balance;//账户余额  
    int status;//0.正常 1.挂失 2 销户  
};  


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#include "User.h"  
#include "bank.h"  

void User::setUser(int acc, string nam, int pw, double bal, int sta)  
{  
    this->account = acc;  
    this->name = nam;  
    this->password = pw;  
    this->balance = bal;  
    this->status = sta;  
}  

void User::showName()  
{  
    cout << "账户姓名：" << name << endl;  
}  

void User::showBalance(string prompt)  
{  
    cout << prompt << "余额:" << balance << endl;  
}  

bool User::passwordIsright()  
{  
    int i = 0;  
    while (password / 10 > 10)  
        i++;  
    if (i > 0)  
        return true;  
    else  
    {  
        return false;  
    }  
}  

bool User::isNormalUser()  
{  
    if (status == 0)  
        return true;  
    else  
        return false;  
}  

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#include "bank.h"    
#include<iostream>  
#include<fstream>  
#include<cstdlib>  
#include<string>  
#include<ctype.h>  
using namespace std;  

Bank::Bank()  
{  
    ifstream infile("account.txt", ios::in);  
    if (!infile)  
    {  
        cerr << "open error" << endl;  

        exit(1);  
    }  
    int i = 0;  
    int acc;  
    string nam;  
    int pw;  
    double bal;  
    int sta;  
    while (infile >> acc >> nam >> pw >> bal >> sta)  
    {  
        users[i].setUser(acc, nam, pw, bal, sta);  
        i++;  
    }  
    N = i;  
    infile.close();  
}  

Bank::~Bank()  
{  
    ofstream outfile("account.txt", ios::out);  
    if (!outfile)  
    {  
        cerr << "open error" << endl;  
        exit(1);  
    }  

    int i;  
    for (i = 0; i < N; i++)  
    {  
        outfile << users[i].account << " ";  
        outfile << users[i].name << " ";  
        outfile << users[i].password << " ";  
        outfile << users[i].balance << " ";  
        outfile << users[i].status << " ";  
    }  
    outfile.close();  
}  

void Bank::work()  
{  
    int iChoice;  

    while (1)  
    {  
        iChoice = chooseInMenu();  
        switch (iChoice)  
        {  
        case 1:openAccount();break;  
        case 2:cancelAccount();break;  
        case 3:save();break;  
        case 4:withdraw();break;  
        case 5:getUser();break;  
        case 6:transferAccounts();break;  
        case 7:reportLoss();break;  
        case 8:cancelLoss();break;  
        case 9:updataPassword();break;  
        default:  
            break;  
        }  
    }  
}  

void Bank::openAccount()  
{  
    if (N >= upNum)  
    {  
        cout << "用户已达上限" << endl;  
        return;  
    }  
    int acc;  
    string nam;  
    int pw;  
    double bal;  
    int sta;  

    cout << "正在开户" << endl;  
    acc = 1001 + N;  
    cout << "账号: " << acc << endl;  
    cout << "户主姓名：";  
    cin >> nam;  
    int iPass1, iPass2;  
    cout << "密码：";  
    iPass1 = inputPassword();  
    cout << "确认密码";  
    iPass2 = inputPassword();  
    if (iPass1 != iPass2)  
    {  
        cout << "密码输入不一致" << endl;  
        return;  
    }  
    pw = iPass1;  
    cout << "存入金额";  
    cin >> bal;  
    users[N].account = acc;  
    users[N].password = pw;  
    users[N].status = 0;  
    users[N].balance = bal;  
    cout << "开户成功" << endl;  
    N++;  
}  

void Bank::cancelAccount()  
{  
    int i;  
    char ch;  

    while ((i = getUser()) == -1)  
    {  
        cout << "查无此账号，请重新输入：" << endl;  
    }  
    cout << "确认销户（y/n）" << endl;  
    cin >> ch;  
    if (ch == 'y')  
    {  
        cout << "取款1000元，销户成功" << endl;  
        users[i].status = 2;  
        users[i].balance = 0;  

    }  
    else {  
        return;  
    }  


}  

int Bank::getUser()  
{  
    int acc;  
    int i;  
    int flag = 0;  

    cout << "请输入账号：";  
    cin >> acc;  
    for (i = 0; i < N; i++)  
    {  
        if (acc == users[i].account)  
        {  
            cout << "姓名:"<<users[i].name << endl;  
            cout << "账户余额："<<users[i].balance << endl;  
            cout << "当前状态："<<users[i].status << endl;  
            flag = i;  
        }  
    }  
    if (flag < i)  
    {  
        return flag;  
    }  
    else  
        return -1;  

}  

void Bank::save()  
{  
    int i;  
    char ch;  
    int bal;  

    while ((i = getUser()) == -1)  
    {  
        cout << "查无此账号，请重新输入：" << endl;  
    }  
    cout << "请输入要存的金额：";  
    cin >> bal;  
    users[i].balance += bal;  
    cout << "存钱成功" << endl;  
}  

void Bank::withdraw()  
{  
    int i;  
    char ch;  
    int bal;  

    while ((i = getUser()) == -1)  
    {  
        cout << "查无此账号，请重新输入：" << endl;  
    }  
    cout << "请输入要取的金额：";  
    cin >> bal;  
    if (users[i].balance < bal)  
    {  
        cout << "余额不足" << endl;  
        return;  
    }  
    else  
    {  
        users[i].balance -= bal;  
    }  

    cout << "取钱成功" << endl;  
}  

void Bank::transferAccounts()  
{  
    int i;  
    char ch;  
    int bal;  

    while ((i = getUser()) == -1)  
    {  
        cout << "查无此账号，请重新输入：" << endl;  
    }  
    cout << "请输入要转的金额：";  
    cin >> bal;  
    users[i].balance += bal;  
    cout << "转账成功" << endl;  
}  

void Bank::reportLoss()  
{  
    int i;  
    int pass;  
    char ch;  
    int bal;  

    while ((i = getUser()) == -1)  
    {  
        cout << "查无此账号，请重新输入：" << endl;  
    }  
    cout << "请输入密码" << endl;  
    cin >> pass;  
    if (users[i].password == pass)  
    {  
        cout << "挂失成功" << endl;  
        users[i].status = 1;  
    }  
    else {  
        cout << "密码输入错误" << endl;  

    }  
}  

void Bank::cancelLoss()  
{  
    int pass;  
    char ch;  
    int bal;  

    while ((i = getUser()) == -1)  
    {  
        cout << "查无此账号，请重新输入：" << endl;  
    }  
    cout << "请输入密码" << endl;  
    cin >> pass;  
    if (users[i].password == pass)  
    {  
        cout << "解挂成功" << endl;  
        users[i].status = 0;  
    }  
    else {  
        cout << "密码输入错误" << endl;  

    }  
}  

void Bank::updataPassword()  
{  
    int i;  
    char ch;  
    int bal;  

    while ((i = getUser()) == -1)  
    {  
        cout << "查无此账号，请重新输入：" << endl;  
    }  

    int iPass1, iPass2;  
    cout << "新密码：";  
    iPass1 = inputPassword();  
    cout << "确认密码";  
    iPass2 = inputPassword();  
    if (iPass1 != iPass2)  
    {  
        cout << "密码输入不一致" << endl;  
        return;  
    }  
    else  
    {  
        users[i].password = iPass1;  
        cout << "密码输入成功" << endl;  
    }  

}  

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#include<iostream>      
#include<fstream>  
#include<conio.h>  
#include<cstdlib>  
#include<cstring>  
#include<ctype.h>  

#include"bank.h"  
using namespace std;  

int pass()//验证用户密码，正确返回1，错误返回0  
{  
    char sNameInfile[20];  
    char sPassInfile[20];  
    ifstream infile("password.txt", ios::in);  
    if (!infile)  
    {  
        cout << "password file cannot open!" << endl;  
        system("pause");  
        exit(1);  
    }  
    infile >> sNameInfile >> sPassInfile;  
    infile.close();  

    char sName[20];  
    char sPass[20];  
    char ch;  
    int iTry = 3;  
    int right = 0;  

    do  
    {  
        cout << "请输入业务员用户名：";  
        cin >> sName;  
        cout << "请输入密码:";  
        int i = 0;  
        while ((ch = getch()) != '\r')  
        {  
            sPass[i++] = ch;  
            putchar('*');  
        }  
        sPass[i] = '\0';  
        fflush(stdin);  
        cout << endl;  
        if (strcmp(sPass, sPassInfile) == 0 && strcmp(sName, sNameInfile) == 0)  
        {  
            right = 1;  
            break;  
        }  
        else  
        {  
            iTry--;  
            if (iTry < 0)  
                cout << "对不起，您已输入超过三次 " << endl;  

        }  

    } while (iTry);  
    return right;  
}  

int chooseInMenu()  
{  
    int i;  
    while (1)  
    {  
        cout << endl;  
        cout << "+------------------------------------+" << endl;  
        cout << "+       1 开户  2 销户  3 存款        +" << endl;  
        cout << "+       4 取款  5 查询  6 转账        +" << endl;  
        cout << "+       7 挂失  8 解挂  9 改密        +" << endl;  
        cout << "+                      0 退出        +" << endl;  
        cout << "+------------------------------------+" << endl;  
        cout << "请输入操作指令：";  
        cin >> i;  
        if (i >= 0 && i <= 9)  
            break;  
        else  
            cout << "请重新输入" << endl;  

    }  
    return i;  
}  

int inputPassword()  
{  
    char ch;  
    int iPass = 0;  
    int i;  
    while (1)  
    {  
        for (i = 0; i < 6; i++)  
        {  
            ch = getch();  
            putchar('*');  
            if (isdigit(ch))  
                iPass = iPass * 10 + (ch - '0');  
            else  
            {  
                iPass = 0;  
                break;  
            }  
        }  
        fflush(stdin);  
        cout << endl;  
        if (iPass == 0)  
        {  
            cout << "密码要求全为数字" << endl;  
            cout << "请重新输入" << endl;  
        }  
        else  
            break;  
    }  
    return iPass;  
}  

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#include<iostream>  
#include"bank.h"  
using namespace std;  

int main()  
{  
    cout << "+-------------------------------------------+" << endl;  
    cout << "               欢迎光临csdn银行              " << endl;  
    cout << "+-------------------------------------------+" << endl;  

    Bank b;  
    if (pass())  
    {  
        Bank b;  
        b.work();  
    }  
}