c++结课项目

机房预约系统

目的：实践面向对象的思想，泛型编程的思想，STL的使用，文件的读写

系统设计如下：

 

1.创建身份类作为虚基类，使用多态的思想，派生出三个子类：学生类，教师类，管理员类

2.登录模块，封装登录函数，实现三种身份的登录

3.管理员模块：实现管理员登陆后的界面；实现添加账号（并去重）；显示账号；查看机房（创建机房类）；清空预约

4.学生模块：登录与注销；申请预约；显示预约；取消预约

5.教师模块：登陆与注销；查看预约；审核预约

 

整体来看，本项目最后包含了7个头文件和5个源文件，

头文件：一个虚基类，三个派生类，和两个普通类，一个宏定义

#pragma once
#include <iostream>
#include <string>
using namespace std;

class Identity {
public:
    virtual void operMenu() = 0;

    string m_Name;
    string m_Pwd;
};

#pragma once
#include<iostream>
#include<vector>
#include "student.h"
#include "teacher.h"
using namespace std;
#include "identity.h"
#include "computerRoom.h"

class Manager :public Identity
{
public:

    //默认构造
    Manager();

    //有参构造  管理员姓名，密码
    Manager(string name, string pwd);

    //选择菜单
    virtual void operMenu();

    //添加账号  
    void addPerson();

    //查看账号
    void showPerson();

    //查看机房信息
    void showComputer();

    //清空预约记录
    void cleanFile();

    //初始化信息
    void initVector();

    //去重函数
    bool checkRepeat(int id, int type);

    vector<Student> vStu;
    vector<Teacher> vTea;
    vector<ComputerRoom> vCom;

};

#pragma once
#include <iostream>
#include "Identity.h"
#include <vector>
#include "computerRoom.h"
using namespace std;

class Student :public Identity {
public:
    //默认构造
    Student();

    //有参构造(学号、姓名、密码)
    Student(int id, string name, string pwd);

    //菜单界面
    virtual void operMenu();

    //申请预约
    void applyOrder();

    //查看我的预约
    void showMyOrder();

    //查看所有预约
    void showAllOrder();

    //取消预约
    void cancelOrder();

    //学生学号
    int m_Id;
    //机房容器
    vector<ComputerRoom> vCom;
};

#pragma once
#include <iostream>
#include "Identity.h"
using namespace std;

class Teacher : public Identity {
public:

    //默认构造
    Teacher();

    //有参构造 (职工编号，姓名，密码)
    Teacher(int empId, string name, string pwd);

    //菜单界面
    virtual void operMenu();

    //查看所有预约
    void showAllOrder();

    //审核预约
    void validOrder();

    int m_EmpId; //教师编号
};

#pragma once
#include <iostream>

class ComputerRoom {
public:
    int m_ComId;
    int m_MaxNum;
};

#pragma once
#include <iostream>
#include <map>
#include "globalFile.h"
using namespace std;

class OrderFile {
public:
    OrderFile();

    void updateOrder();

    map<int, map<string, string>> m_orderData;

    int m_Size;
};

#pragma once

//管理员文件
#define ADMIN_FILE     "admin.txt"
//学生文件
#define STUDENT_FILE   "student.txt"
//教师文件
#define TEACHER_FILE   "teacher.txt"
//机房信息文件
#define COMPUTER_FILE  "computerRoom.txt"
//订单文件
#define ORDER_FILE     "order.txt"

 

源文件：四个类函数的具体实现的源文件，和一个主文件。

#include "manager.h"
#include <fstream>
#include "globalFile.h"
#include <string>
#include <algorithm>
#include "computerRoom.h"

//默认构造
Manager::Manager()
{
}

//有参构造
Manager::Manager(string name, string pwd)
{
    this->m_Name = name;
    this->m_Pwd = pwd;

    this->initVector();
}

//选择菜单
void Manager::operMenu()
{
    cout << "欢迎管理员：" << this->m_Name << "登录！" << endl;
    cout << "\t\t ---------------------------------\n";
    cout << "\t\t|                                |\n";
    cout << "\t\t|          1.添加账号            |\n";
    cout << "\t\t|                                |\n";
    cout << "\t\t|          2.查看账号            |\n";
    cout << "\t\t|                                |\n";
    cout << "\t\t|          3.查看机房            |\n";
    cout << "\t\t|                                |\n";
    cout << "\t\t|          4.清空预约            |\n";
    cout << "\t\t|                                |\n";
    cout << "\t\t|          0.注销登录            |\n";
    cout << "\t\t|                                |\n";
    cout << "\t\t ---------------------------------\n";
    cout << "请选择您的操作： " << endl;
}

//添加账号  
void Manager::addPerson()
{
    cout << "请输入添加账号的类型" << endl;
    cout << "1、添加学生" << endl;
    cout << "2、添加老师" << endl;

    string fileName;
    string tip;
    ofstream ofs;
    string errorTip;

    int select = 0;

    while (true) {
        cin >> select;
        if (select > 0 && select < 3) {
            break;
        }
        cout << "errornumbers" << endl;
    }
    

    if (select == 1) {
        fileName = STUDENT_FILE;
        tip = "请输入学号： ";
        errorTip = "学号重复，请重新输入";
    }
    else {
        fileName = TEACHER_FILE;
        tip = "请输入职工编号：";
        errorTip = "职工号重复，请重新输入";
    }

    ofs.open(fileName, ios::out | ios::app);
    int id;
    string name;
    string pwd;

    cout << tip << endl;


    while (true) {
        cin >> id;
        bool ret = this->checkRepeat(id, select);
        if (ret) {
            cout << errorTip << endl;
        }
        else {
            break;
        }
    }


    cout << "请输入姓名： " << endl;
    cin >> name;

    cout << "请输入密码： " << endl;
    cin >> pwd;

    ofs << id << " " << name << " " << pwd << endl;
    cout << "添加成功" << endl;

    system("pause");
    system("cls");

    ofs.close();

    //读取最新的数据
    this->initVector();

}

//查看账号
void printStudent(Student& s) {
    cout << "学号： " << s.m_Id << " 姓名： " << s.m_Name << " 密码：" << s.m_Pwd << endl;
}

void printTeacher(Teacher& s) {
    cout << "学号： " << s.m_EmpId << " 姓名： " << s.m_Name << " 密码：" << s.m_Pwd << endl;
}

void Manager::showPerson()
{
    cout << "请选择查看内容：" << endl;
    cout << "1、查看所有学生" << endl;
    cout << "2、查看所有老师" << endl;

    int select = 0;
    while (true) {
        cin >> select;
        if (select > 0 && select < 3) {
            break;
        }
        cout << "errornumbers" << endl;
    }

    if (select == 1) {
        cout << "所有学生信息如下： " << endl;
        for_each(vStu.begin(), vStu.end(), printStudent);
    }
    else {
        cout << "所有老师信息如下： " << endl;
        for_each(vTea.begin(), vTea.end(), printTeacher);
    }
    system("pause");
    system("cls");
}

//查看机房信息
void printComputer(ComputerRoom& c) {
    cout << "机房编号： " << c.m_ComId << " 机房最大容量： " << c.m_MaxNum << endl;
}

void Manager::showComputer()
{
    cout << "机房信息如下： " << endl;
    for_each(vCom.begin(), vCom.end(), printComputer);

    system("pause");
    system("cls");
}

//清空预约记录
void Manager::cleanFile()
{
    ofstream ofs(ORDER_FILE, ios::trunc);
    ofs.close();

    cout << "清空成功！" << endl;
    system("pause");
    system("cls");
}

void Manager::initVector()
{
    ifstream ifs;
    ifs.open(STUDENT_FILE, ios::in);
    if (!ifs.is_open()) {
        cout << "文件读取失败" << endl;
        return;
    }

    vStu.clear();
    vTea.clear();

    Student s;
    while (ifs >> s.m_Id && ifs >> s.m_Name && ifs >>s.m_Pwd) {
        vStu.push_back(s);
    }
    cout << "当前学生数量为： " << vStu.size() << endl;
    ifs.close(); //学生初始化


    //读取老师文件信息
    ifs.open(TEACHER_FILE, ios::in);

    Teacher t;
    while (ifs >> t.m_EmpId && ifs >> t.m_Name && ifs >> t.m_Pwd)
    {
        vTea.push_back(t);
    }
    cout << "当前教师数量为： " << vTea.size() << endl;

    ifs.close();

    //读取机房信息
    ifs.open(COMPUTER_FILE, ios::in);
    ComputerRoom c;
    while (ifs >> c.m_ComId && ifs >> c.m_MaxNum) {
        vCom.push_back(c);
    }
    cout << "当前机房数量为： " << vCom.size() << endl;

    ifs.close();
}

bool Manager::checkRepeat(int id, int type) {
    if (type == 1) {
        for (auto it = vStu.begin(); it != vStu.end(); it++) {
            if (it->m_Id == id) {
                return true;
            }
        }
    }
    else {
        for (auto it = vTea.begin(); it != vTea.end(); it++) {
            if (it->m_EmpId == id) {
                return true;
            }
        }
    }
    return false;
}

#include "student.h"
#include <fstream>
#include "globalFile.h"
#include "computerRoom.h"
#include "orderFile.h"

Student::Student() {

}

Student::Student(int id, string name, string pwd) {
    this->m_Id = id;
    this->m_Name = name;
    this->m_Pwd = pwd;

    ifstream ifs(COMPUTER_FILE, ios::in);
    ComputerRoom c;

    while (ifs >> c.m_ComId && ifs >> c.m_MaxNum) {
        vCom.push_back(c);
    }
    ifs.close();
}

void Student::operMenu() {
    cout << "欢迎学生代表：" << this->m_Name << "登录！" << endl;
    cout << "\t\t ----------------------------------\n";
    cout << "\t\t|                                 |\n";
    cout << "\t\t|          1.申请预约              |\n";
    cout << "\t\t|                                 |\n";
    cout << "\t\t|          2.查看我的预约          |\n";
    cout << "\t\t|                                 |\n";
    cout << "\t\t|          3.查看所有预约          |\n";
    cout << "\t\t|                                 |\n";
    cout << "\t\t|          4.取消预约              |\n";
    cout << "\t\t|                                 |\n";
    cout << "\t\t|          0.注销登录              |\n";
    cout << "\t\t|                                 |\n";
    cout << "\t\t ----------------------------------\n";
    cout << "请选择您的操作： " << endl;
}

//申请预约
void Student::applyOrder() {
    cout << "机房开放时间为周一至周五！" << endl;
    cout << "请输入申请预约的时间：" << endl;
    cout << "1、周一" << endl;
    cout << "2、周二" << endl;
    cout << "3、周三" << endl;
    cout << "4、周四" << endl;
    cout << "5、周五" << endl;
    int date = 0;
    int interval = 0;
    int room = 0;

    while (true) {
        cin >> date;
        if (date >= 1 && date <= 5) {
            break;
        }
        cout << "输入有误，请重新输入" << endl;
    }

    cout << "请输入申请预约的时间段：" << endl;
    cout << "1、上午" << endl;
    cout << "2、下午" << endl;

    while (true)
    {
        cin >> interval;
        if (interval >= 1 && interval <= 2)
        {
            break;
        }
        cout << "输入有误，请重新输入" << endl;
    }

    cout << "请选择机房：" << endl;
    cout << "1号机房容量：" << vCom[0].m_MaxNum << endl;
    cout << "2号机房容量：" << vCom[1].m_MaxNum << endl;
    cout << "3号机房容量：" << vCom[2].m_MaxNum << endl;

    while (true)
    {
        cin >> room;
        if (room >= 1 && room <= vCom.size())
        {
            break;
        }
        cout << "输入有误，请重新输入" << endl;
    }
    cout << "预约成功！审核中" << endl;

    ofstream ofs(ORDER_FILE, ios::app);
    ofs << "date:" << date << " ";
    ofs << "interval:" << interval << " ";
    ofs << "stuId:" << this->m_Id << " ";
    ofs << "stuName:" << this->m_Name << " ";
    ofs << "roomId:" << room << " ";
    ofs << "status:" << 1 << endl;

    ofs.close();

    system("pause");
    system("cls");

}

//查看我的预约
void Student::showMyOrder() {
    OrderFile of;
    if (of.m_Size == 0) {
        cout << "无预约记录" << endl;
        system("pause");
        system("cls");
        return;
    }
    for (int i = 0; i < of.m_Size; i++) {
        if (atoi(of.m_orderData[i]["stuId"].c_str()) == this->m_Id) {
            cout << "预约日期： 周" << of.m_orderData[i]["date"];
            cout << " 时段：" << (of.m_orderData[i]["interval"] == "1" ? "上午" : "下午");
            cout << " 机房：" << of.m_orderData[i]["roomId"];

            string status = " 状态： ";  // 0 取消的预约   1 审核中   2 已预约 -1 预约失败
            if (of.m_orderData[i]["status"] == "1")
            {
                status += "审核中";
            }
            else if (of.m_orderData[i]["status"] == "2")
            {
                status += "预约成功";
            }
            else if (of.m_orderData[i]["status"] == "-1")
            {
                status += "审核未通过，预约失败";
            }
            else
            {
                status += "预约已取消";
            }
            cout << status << endl;
        }
    }
    system("pause");
    system("cls");
}

//查看所有预约
void Student::showAllOrder() {
    OrderFile of;
    if (of.m_Size == 0)
    {
        cout << "无预约记录" << endl;
        system("pause");
        system("cls");
        return;
    }

    for (int i = 0; i < of.m_Size; i++)
    {
        cout << i + 1 << "、 ";

        cout << "预约日期： 周" << of.m_orderData[i]["date"];
        cout << " 时段：" << (of.m_orderData[i]["interval"] == "1" ? "上午" : "下午");
        cout << " 学号：" << of.m_orderData[i]["stuId"];
        cout << " 姓名：" << of.m_orderData[i]["stuName"];
        cout << " 机房：" << of.m_orderData[i]["roomId"];
        string status = " 状态： ";  // 0 取消的预约   1 审核中   2 已预约 -1 预约失败
        if (of.m_orderData[i]["status"] == "1")
        {
            status += "审核中";
        }
        else if (of.m_orderData[i]["status"] == "2")
        {
            status += "预约成功";
        }
        else if (of.m_orderData[i]["status"] == "-1")
        {
            status += "审核未通过，预约失败";
        }
        else
        {
            status += "预约已取消";
        }
        cout << status << endl;
    }

    system("pause");
    system("cls");
}

//取消预约
void Student::cancelOrder() {
    OrderFile of;
    if (of.m_Size == 0)
    {
        cout << "无预约记录" << endl;
        system("pause");
        system("cls");
        return;
    }
    cout << "审核中或预约成功的记录可以取消，请输入取消的记录" << endl;

    vector<int> v;
    int index = 1;
    for (int i = 0; i < of.m_Size; i++) {
        if (atoi(of.m_orderData[i]["stuId"].c_str()) == this->m_Id)
        {
            if (of.m_orderData[i]["status"] == "1" || of.m_orderData[i]["status"] == "2")
            {
                v.push_back(i);
                cout << index++ << "、 ";
                cout << "预约日期： 周" << of.m_orderData[i]["date"];
                cout << " 时段：" << (of.m_orderData[i]["interval"] == "1" ? "上午" : "下午");
                cout << " 机房：" << of.m_orderData[i]["roomId"];
                string status = " 状态： ";  // 0 取消的预约   1 审核中   2 已预约  -1 预约失败
                if (of.m_orderData[i]["status"] == "1")
                {
                    status += "审核中";
                }
                else if (of.m_orderData[i]["status"] == "2")
                {
                    status += "预约成功";
                }
                cout << status << endl;

            }
        }
    }

    cout << "请输入取消的记录,0代表返回" << endl;
    int select = 0;
    while (true)
    {
        cin >> select;
        if (select >= 0 && select <= v.size())
        {
            if (select == 0)
            {
                break;
            }
            else
            {
                //    cout << "记录所在位置： " << v[select - 1] << endl;
                of.m_orderData[v[select - 1]]["status"] = "0";
                of.updateOrder();
                cout << "已取消预约" << endl;
                break;
            }

        }
        cout << "输入有误，请重新输入" << endl;
    }

    system("pause");
    system("cls");
}

#include "teacher.h"
#include <fstream>
#include "orderFile.h"
#include <vector>

//默认构造
Teacher::Teacher()
{
}

//有参构造 (职工编号，姓名，密码)
Teacher::Teacher(int empId, string name, string pwd)
{
    //初始化属性
    this->m_EmpId = empId;
    this->m_Name = name;
    this->m_Pwd = pwd;
}

//菜单界面
void Teacher::operMenu()
{
    cout << "欢迎教师：" << this->m_Name << "登录！" << endl;
    cout << "\t\t ----------------------------------\n";
    cout << "\t\t|                                  |\n";
    cout << "\t\t|          1.查看所有预约          |\n";
    cout << "\t\t|                                  |\n";
    cout << "\t\t|          2.审核预约              |\n";
    cout << "\t\t|                                  |\n";
    cout << "\t\t|          0.注销登录              |\n";
    cout << "\t\t|                                  |\n";
    cout << "\t\t ----------------------------------\n";
    cout << "请选择您的操作： " << endl;
}

//查看所有预约
void Teacher::showAllOrder()
{
    OrderFile of;
    if (of.m_Size == 0)
    {
        cout << "无预约记录" << endl;
        system("pause");
        system("cls");
        return;
    }

    for (int i = 0; i < of.m_Size; i++)
    {
        cout << i + 1 << "、 ";

        cout << "预约日期： 周" << of.m_orderData[i]["date"];
        cout << " 时段：" << (of.m_orderData[i]["interval"] == "1" ? "上午" : "下午");
        cout << " 学号：" << of.m_orderData[i]["stuId"];
        cout << " 姓名：" << of.m_orderData[i]["stuName"];
        cout << " 机房：" << of.m_orderData[i]["roomId"];
        string status = " 状态： ";  // 0 取消的预约   1 审核中   2 已预约 -1 预约失败
        if (of.m_orderData[i]["status"] == "1")
        {
            status += "审核中";
        }
        else if (of.m_orderData[i]["status"] == "2")
        {
            status += "预约成功";
        }
        else if (of.m_orderData[i]["status"] == "-1")
        {
            status += "审核未通过，预约失败";
        }
        else
        {
            status += "预约已取消";
        }
        cout << status << endl;
    }

    system("pause");
    system("cls");
}

//审核预约
void Teacher::validOrder()
{
    OrderFile of;
    if (of.m_Size == 0)
    {
        cout << "无预约记录" << endl;
        system("pause");
        system("cls");
        return;
    }
    cout << "待审核的预约记录如下：" << endl;

    vector<int>v;
    int index = 0;
    for (int i = 0; i < of.m_Size; i++)
    {
        if (of.m_orderData[i]["status"] == "1")
        {
            v.push_back(i);
            cout << ++index << "、 ";
            cout << "预约日期： 周" << of.m_orderData[i]["date"];
            cout << " 时段：" << (of.m_orderData[i]["interval"] == "1" ? "上午" : "下午");
            cout << " 机房：" << of.m_orderData[i]["roomId"];
            string status = " 状态： ";  // 0取消的预约   1 审核中   2 已预约  -1 预约失败
            if (of.m_orderData[i]["status"] == "1")
            {
                status += "审核中";
            }
            cout << status << endl;
        }
    }
    cout << "请输入审核的预约记录,0代表返回" << endl;

    int select = 0;
    int ret = 0;
    while (true)
    {
        cin >> select;
        if (select >= 0 && select <= v.size())
        {
            if (select == 0)
            {
                break;
            }
            else
            {
                cout << "请输入审核结果" << endl;
                cout << "1、通过" << endl;
                cout << "2、不通过" << endl;
                cin >> ret;

                if (ret == 1)
                {
                    of.m_orderData[v[select - 1]]["status"] = "2";
                }
                else
                {
                    of.m_orderData[v[select - 1]]["status"] = "-1";
                }
                of.updateOrder();
                cout << "审核完毕！" << endl;
                break;
            }
        }
        cout << "输入有误，请重新输入" << endl;
    }

    system("pause");
    system("cls");
}

#include "orderFile.h"
#include <fstream>
#include "globalFile.h"

OrderFile::OrderFile() {
    ifstream ifs(ORDER_FILE, ios::in);

    string date;
    string interval;
    string stuId;
    string stuName;
    string roomId;
    string status;

    this->m_Size = 0;

    while (ifs >> date && ifs >> interval && ifs >> stuId && ifs >> stuName && ifs >> roomId && ifs >> status) {
        string key;
        string value;
        map<string, string> m;

        int pos = date.find(":");
        if (pos != -1) {
            key = date.substr(0, pos);
            value = date.substr(pos + 1, date.size() - pos - 1);
            m.insert(make_pair(key, value));
        }

        pos = interval.find(":");
        if (pos != -1) {
            key = interval.substr(0, pos);
            value = interval.substr(pos + 1, interval.size() - pos - 1);
            m.insert(make_pair(key, value));
        }

        pos = stuId.find(":");
        if (pos != -1) {
            key = stuId.substr(0, pos);
            value = stuId.substr(pos + 1, stuId.size() - pos - 1);
            m.insert(make_pair(key, value));
        }

        pos = stuName.find(":");
        if (pos != -1) {
            key = stuName.substr(0, pos);
            value = stuName.substr(pos + 1, stuName.size() - pos - 1);
            m.insert(make_pair(key, value));
        }

        pos = roomId.find(":");
        if (pos != -1) {
            key = roomId.substr(0, pos);
            value = roomId.substr(pos + 1, roomId.size() - pos - 1);
            m.insert(make_pair(key, value));
        }

        pos = status.find(":");
        if (pos != -1) {
            key = status.substr(0, pos);
            value = status.substr(pos + 1, status.size() - pos - 1);
            m.insert(make_pair(key, value));
        }

        this->m_orderData.insert(make_pair(this->m_Size, m));
        this->m_Size++;
    }
    ifs.close();
}

void OrderFile::updateOrder() {
    if (this->m_Size == 0) {
        return;
    }

    ofstream ofs(ORDER_FILE, ios::out | ios::trunc);
    for (int i = 0; i < m_Size; i++) {
        ofs << "date:" << this->m_orderData[i]["date"] << " ";
        ofs << "interval:" << this->m_orderData[i]["interval"] << " ";
        ofs << "stuId:" << this->m_orderData[i]["stuId"] << " ";
        ofs << "stuName:" << this->m_orderData[i]["stuName"] << " ";
        ofs << "roomId:" << this->m_orderData[i]["roomId"] << " ";
        ofs << "status:" << this->m_orderData[i]["status"] << endl;
    }
    ofs.close();
}

#include <iostream>
#include "globalFile.h"
#include "Identity.h"
#include "student.h"
#include "teacher.h"
#include "manager.h"


#include <string>
#include <fstream>
using namespace std;

void managerMenu(Identity*& manager);

void studentMenu(Identity*& student) {
    while (true) {
        student->operMenu();

        Student* stu = (Student*)student;

        int select = 0;
        cin >> select;

        if (select == 1) {
            stu->applyOrder();
        }
        else if (select == 2) {
            stu->showMyOrder();
        }
        else if (select == 3) {
            stu->showAllOrder();
        }
        else if (select == 4) {
            stu->cancelOrder();
        }
        else {
            delete student;
            cout << "注销成功" << endl;
            system("pause");
            system("cls");
            return;
        }
    }    
}

void TeacherMenu(Identity*& teacher) {
    while (true)
    {
        //教师菜单
        teacher->operMenu();

        Teacher* tea = (Teacher*)teacher;
        int select = 0;

        cin >> select;

        if (select == 1)
        {
            //查看所有预约
            tea->showAllOrder();
        }
        else if (select == 2)
        {
            //审核预约
            tea->validOrder();
        }
        else
        {
            delete teacher;
            cout << "注销成功" << endl;
            system("pause");
            system("cls");
            return;
        }

    }
}

void LoginIn(string fileName, int type) {
    Identity* person = NULL;

    ifstream ifs;
    ifs.open(fileName, ios::in);

    if (!ifs.is_open()) {
        cout << "文件不存在" << endl;
        ifs.close();
        return;
    }

    int id = 0;
    string name;
    string pwd;

    if (type == 1) {
        cout << "请输入你的学号" << endl;
        cin >> id;
    }
    else if (type == 2) {
        cout << "请输入你的职工号" << endl;
        cin >> id;
    }
    cout << "请输入用户名：" << endl;
    cin >> name;

    cout << "请输入密码： " << endl;
    cin >> pwd;


    if (type == 1)
    {
        //学生登录验证
        int fId;
        string fName;
        string fPwd;
        while (ifs >> fId && ifs >> fName && ifs >> fPwd) {
            if (id == fId && name == fName && pwd == fPwd) {
                cout << "学生验证登录成功!" << endl;
                system("pause");
                system("cls");
                person = new Student(id, name, pwd);

                studentMenu(person);

                return;
            }
        }
    }
    else if (type == 2)
    {
        //教师登录验证
        int fId;
        string fName;
        string fPwd;
        while (ifs >> fId && ifs >> fName && ifs >> fPwd) {
            if (id == fId && name == fName && pwd == fPwd) {
                cout << "教师验证登录成功!" << endl;
                system("pause");
                system("cls");
                person = new Teacher(id, name, pwd);

                TeacherMenu(person);
                return;
            }
        }
    }
    else if (type == 3)
    {
        //管理员登录验证
        string fName;
        string fPwd;
        while (ifs >> fName && ifs >> fPwd) {
            if (name == fName && pwd == fPwd) {
                cout << "验证登录成功!" << endl;
                system("pause");
                system("cls");
                person = new Manager(name, pwd);

                managerMenu(person);

                return;
            }
        }
    }

    cout << "验证登录失败!" << endl;

    system("pause");
    system("cls");
    return;

}

void managerMenu(Identity* &manager) {
    while (true) {
        manager->operMenu();

        Manager* man = (Manager*)manager;
        int select = 0;

        cin >> select;

        switch (select) {
        case 1:
            cout << "添加账号" << endl;
            man->addPerson();
            break;
        case 2:
            cout << "查看账号" << endl;
            man->showPerson();
            break;
        case 3:
            cout << "查看机房" << endl;
            man->showComputer();
            break;
        case 4:
            cout << "清空预约" << endl;
            man->cleanFile();
            break;
        default:
            delete manager;
            cout << "注销成功" << endl;
            system("pause");
            system("cls");
            return;
        }
    }
}

int main() {
    int select = 0;
    while (true) {
        cout << "======================  欢迎来到传智播客机房预约系统  =====================" << endl;
        cout << endl << "请输入您的身份" << endl;
        cout << "\t\t -------------------------------\n";
        cout << "\t\t|                               |\n";
        cout << "\t\t|          1.学生代表           |\n";
        cout << "\t\t|                               |\n";
        cout << "\t\t|          2.老    师           |\n";
        cout << "\t\t|                               |\n";
        cout << "\t\t|          3.管 理 员           |\n";
        cout << "\t\t|                               |\n";
        cout << "\t\t|          0.退    出           |\n";
        cout << "\t\t|                               |\n";
        cout << "\t\t -------------------------------\n";
        cout << "输入您的选择: ";


        cin >> select;

        switch (select) {
        case 1:  //学生身份
            LoginIn(STUDENT_FILE, 1);
            break;
        case 2:  //老师身份
            LoginIn(TEACHER_FILE, 2);
            break;
        case 3:  //管理员身份
            LoginIn(ADMIN_FILE, 3);
            break;
        case 0:  //退出系统
            cout << "欢迎下一次使用" << endl;
            system("pause");
            return 0;
            break;
        default:
            cout << "输入有误，请重新选择！" << endl;
            system("pause");
            system("cls");
            break;
        }
    }

    system("pause");
    return 0;
}