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【C++】C++实现机房预约系统

xuanxuan
2021-08-14 / 0 评论 / 0 点赞 / 7 阅读 / 36188 字 / 正在检测是否收录...
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C++实现机房预约系统

系统要求

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代码实现

globalFile.h

#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"

computerRoom.h

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

class computerRoom
{
public:
    int m_ComId;//机房id号
    int m_ManNum;//最大容量
};

Identity.h

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

//身份抽象基类
class Indentity
{
public:

    //操作菜单——纯虚函数
    virtual void operMenu() = 0;

    string m_UserName;
    string m_UserPassword;
};

Student.h

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

//学生类
class Student :public Indentity
{
public:
    //默认构造
    Student();
    //有参构造
    Student(int id, string name, string pwd);
    //菜单界面
    virtual void operMenu();

    //申请预约
    void applyOrder();

    //查看自身预约
    void showMyOrder();

    //查看所有预约
    void showAllOrder();

    //取消预约
    void cancelOrder();

    //学号
    int m_Id;

    //机房容器
    vector<computerRoom>vCom;

};

manager.h

#pragma once
#include"Identity.h"
#include<iostream>
#include<string>
#include"globalFile.h"
#include<fstream>
#include<vector>
#include"Student.h"
#include"teacher.h"
#include<algorithm>
#include"computerRoom.h"
using namespace std;
class Manager :public Indentity
{
public:
    //默认构造
    Manager();

    //有参构造
    Manager(string name, string pwd);

    //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 cleamFile();

    //初始化容器
    void initVector();

    //学生容器
    vector<Student>vStu;

    //教师容器
    vector<Teacher>vTea;

    //检测重复 学号、职工号  检测类型
    bool checkRepeat(int id, int type);

    //机房信息
    vector<computerRoom>vCom;

};

teacher.h

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

class Teacher:public Indentity
{
public:
    //默认构造
    Teacher();

    //有参构造
    Teacher(int empId, string name,string pwd);

    //菜单
    virtual void operMenu();

    //查看所有预约
    void showAllOrder();

    //审核预约
    void validOrder();

    //职工号
    int m_EmpId;
};

orderFile.h

#pragma once
#include<iostream>
using namespace std;
#include"globalFile.h"
#include<fstream>
#include<map>
#include<string>
#include<algorithm>
class OrderFile
{
public:
    //构造函数
    OrderFile();

    //更新预约记录
    void updateOrder();

    //记录预约条数
    int m_Size;

    //记录所有预约信息的容器 key记录条数 val具体记录键值对信息
    map<int, map<string, string>>m_orderData;
};

orderFile.cpp

#include"orderFile.h"

//构造函数
OrderFile::OrderFile()
{
    ifstream ifs;
    ifs.open(ORDER_FILE, ios::in);

    string date;
    string interval;//时间段
    string stuId;
    string stuName;
    string roomId;
    string status;//状态

    this->m_Size = 0;//记录条数

    while (ifs >> date && 
        ifs >> interval && 
        ifs >> stuId && 
        ifs >> stuName && 
        ifs >> roomId && 
        ifs >> status)
    {
    /*  cout << date << endl;
        cout << interval << endl;
        cout << stuId << endl;
        cout << stuName << endl;
        cout << roomId << endl;
        cout<<status << endl;*/

        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));
        }

        //将小的map容器放到大的map容器中
        this->m_orderData.insert(make_pair(this->m_Size, m));
        this->m_Size++;
    }

    ifs.close();

    //测试大map
    /*for (map<int, map<string, string>>::iterator it = m_orderData.begin(); it != m_orderData.end(); it++)
    {
        cout << it->first << endl;
        for (map<string, string>::iterator mit = (*it).second.begin(); mit != (*it).second.end(); mit++)
        {
            cout << mit->first << " " << mit->second << " ";
        }
        cout << endl;
    }*/

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

//更新预约记录
void OrderFile::updateOrder()
{
    if (this->m_Size == 0)
    {
        return;
    }
    ofstream ofs(ORDER_FILE, ios::out | ios::trunc);
    for (int i = 0; i < this->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();
}

manager.cpp

#include"manager.h"

//默认构造
Manager::Manager()
{

}

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

    //初识化容器 获取到所有文件中 学生、老师、信息
    this->initVector();

    //初始化机房信息
    ifstream ifs;
    ifs.open(COMPUTER_FILE, ios::in);

    computerRoom com;
    while (ifs >> com.m_ComId && ifs >> com.m_ManNum)
    {
        vCom.push_back(com);
    }
    ifs.close();

}

//菜单
void Manager::operMenu()
{
    cout << "欢迎管理员:" << this->m_UserName << "登录!"<<endl;
    cout << "——————————" << endl;
    cout << "——1.添加账号——" << endl;
    cout << "——2.查看账号——" << endl;
    cout << "——3.查看机房——" << endl;
    cout << "——4.清空预约——" << endl;
    cout << "——0.注销登录——" << endl;
    cout << "——————————" << endl;
    cout << "——————————" << endl;
    cout << "当前学生数量:" << vStu.size() << endl;
    cout << "当前老师数量:" << vTea.size() << endl;
    cout << "机房数量为:" << vCom.size() << endl;
    cout << "——————————" << endl;
    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;//操作文件名
    string tip;//提示id号
    ofstream ofs;//文件操作对象

    string errorTip;

    int select = 0;
    cin >> select;
    if (select == 1)
    {
        fileName = STUDENT_FILE;
        tip = "请输入学号";
        errorTip = "学号重复,重新输入!";
    }
    else
    {
        fileName = TEACHER_FILE;
        tip = "请输入职工编号";
        errorTip = "职工号重复,重新输入!";
    }

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

    cout << tip << endl;

    while (1)
    {
        cin >> id;
        bool ret = checkRepeat(id, select);
        if (ret)//有重复
        {
            cout << errorTip << endl;
        }
        else
        {
            break;
        }
    }

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

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

    //向文件添加数据

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

    //添加成功就立即将内容同步到当前容器中
    //解决添加一个人,人数翻倍bug,我认为是重复读取
    if (select == 1)
    {
        //添加学生——同步到当前容器中
        Student s;
        s.m_Id = id;
        s.m_UserName = name;
        s.m_UserPassword = pwd;
        vStu.push_back(s);
    }
    else if (select == 2)
    {
        //添加老师——同步到当前容器中
        Teacher t;
        t.m_EmpId = id;
        t.m_UserName = name;
        t.m_UserPassword = pwd;
        vTea.push_back(t);
    }

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

    ofs.close();

    //调用初始化容器接口
    //this->initVector();

    /*不知道是我漏掉了代码,还是代码本身的小漏洞,连续添加账号会出现显示bug和人员统计数量bug
    我认为是重复的vector存储,读取,本人有两种解决方法

    1.如上,去掉结尾的初始化容器,在上面的添加成功后,直接将当前的成员读进vector容器中
    2.理论可行,但是我没去实现,在原来的代码基础上,结尾调用初始化容器接口前,清理一下当前容器,vStu.clear();vTea.clear();

    这样解决了bug,并且保留了即时同步。:)

    */

}

void printStudent(Student& s)
{
    cout << "学号:" << s.m_Id << " 姓名:" << s.m_UserName << " 密码:" << s.m_UserPassword << endl;
}

void printTeacher(Teacher& s)
{
    cout << "职工号:" << s.m_EmpId << " 姓名:" << s.m_UserName << " 密码:" << s.m_UserPassword << endl;
}

//查看账号
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;
    cin >> select;

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

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

//查看机房信息
void Manager::showComputer()
{
    cout << "机房信息如下" << endl;
    for (vector<computerRoom>::iterator it = vCom.begin(); it != vCom.end(); it++ )
    {
        cout << "机房编号:" << it->m_ComId << " 机房最大容量:" << it->m_ManNum << endl;
    }

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

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

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

//初始化容器
void Manager::initVector()
{
    //读取信息 学生 老师 
    ifstream ifs;
    ifs.open(STUDENT_FILE, ios::in);
    if (!ifs.is_open())
    {
        cout << "文件读取失败" << endl;
        return;
    }
    Student s;
    while (ifs >> s.m_Id && ifs >> s.m_UserName && ifs >> s.m_UserPassword)
    {
        vStu.push_back(s);
    }

    ifs.close();

    //读取信息 老师
    ifs.open(TEACHER_FILE,ios::in);
    Teacher t;
    while (ifs >> t.m_EmpId && ifs >> t.m_UserName && ifs>>t.m_UserPassword)
    {
        vTea.push_back(t);
    }
    ifs.close();
}

//检测重复 
bool Manager::checkRepeat(int id, int type)
{
    if (type == 1)
    {
        for (vector<Student>::iterator it = vStu.begin(); it != vStu.end(); it++)
        {
            if (id == it->m_Id)
            {
                return true;
            }
        }
    }
    else
    {
        for (vector<Teacher>::iterator it = vTea.begin(); it != vTea.end(); it++)
        {
            if (id == it->m_EmpId)
            {
                return true;
            }
        }
    }

    return false;
}

teacher.cpp

#include"teacher.h"

Teacher::Teacher()
{

}

//有参构造
Teacher::Teacher(int empId, string name,string pwd)
{
    //初始化属性
    this->m_EmpId = empId;
    this->m_UserName = name;
    this->m_UserPassword = pwd;

}

//菜单
void Teacher::operMenu()
{
    cout << "欢迎教师: " << this->m_UserName << "登录! " << endl;
    cout << "——————————" << endl;
    cout << "——1.查看所有预约——" << endl;
    cout << "——2.审核预约————" << endl;
    cout << "——0.注销登录———" << endl;
    cout << "——————————" << endl;
    cout << "请选择你的操作" << 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 << " 时间段:  " << (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 << " 机房编号:  " << of.m_orderData[i]["roomId"];
        string status = " 状态: ";

        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 += "预约失败,审核未通过";
        }
        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 << " 时间段: " << (of.m_orderData[i]["interval"] == "1" ? "上午" : "下午");
            cout << "学生编号: " << of.m_orderData[i]["stuId"];
            cout << "学生姓名: " << of.m_orderData[i]["stuName"];
            cout << "机房编号: " << of.m_orderData[i]["roomId"];
            cout << "状态: 审核中 " << endl;
        }
    }
    cout << "请输入要审核的预约记录,0代表返回" << endl;
    int select = 0;//接收用户选择的预约记录
    int ret = 0;//接收预约结果记录
    while (1)
    {
        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)
                {
                    //通过
                    of.m_orderData[v[select - 1]]["status"] = "2";//-1是因为vector容器下标是从0开始的
                }
                else
                {
                    //不通过
                    of.m_orderData[v[select - 1]]["status"] = "-1";
                }
                //更新预约记录
                of.updateOrder();
                cout << "审核完毕" << endl;
                break;
            }
        }
        cout << "输入有误,请重新输入" << endl;
    }
    system("pause");
    system("cls");
}

Student.cpp

#include"Student.h"

Student::Student()
{

}
//有参构造
Student::Student(int id, string name, string pwd)
{
    //初始化属性
    this->m_Id = id;
    this->m_UserName = name;
    this->m_UserPassword = pwd;

    //初始化机房信息
    ifstream ifs;
    ifs.open(COMPUTER_FILE,ios::in);

    computerRoom com;
    while (ifs>>com.m_ComId && ifs >> com.m_ManNum)
    {
        //将读取的信息放入到容器中
        vCom.push_back(com);
    }

    ifs.close();
}
//菜单界面
void Student::operMenu()
{
    cout << "欢迎学生代表:" << this->m_UserName << "登录!"<<endl;
    cout << "——————————" << endl;
    cout << "——1.申请预约——" << endl;
    cout << "——2.查看我的预约—" << endl;
    cout << "——3.查看所有预约—" << endl;
    cout << "——4.取消预约——" << endl;
    cout << "——0.注销登录——" << endl;
    cout << "——————————" << endl;
    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;

    //日期
    int data = 0;
    //时间段
    int interval = 0;
    //机房编号
    int room = 0;

    while (1)
    {
        cin >> data;
        if (data >= 1 && data <= 5)
        {
            break;
        }
        else
        {
            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 (1)
    {
        cin >> interval;
        if (interval >= 1 && interval <= 2)
        {
            break;
        }
        else
        {
            cout << "输入有误,请重新输入。" << endl;
        }
    }

    cout << "请选择机房" << endl;
    for (int i = 0; i < vCom.size(); i++)
    {
        cout << vCom[i].m_ComId << "号机房容量为:" << vCom[i].m_ManNum<<endl;
    }

    while (1)
    {
        cin >> room;
        if (room >= 1 && room <= 3)
        {
            break;
        }
        else
        {
            cout << "输入有误,请重新输入。" << endl;
        }
    }
    cout << "预约成功,审核中!" << endl;

    //写入文件
    ofstream ofs;
    ofs.open(ORDER_FILE, ios::app);
    ofs << "date:" << data << " ";
    ofs << "interval:" << interval << " ";
    ofs << "stuId:" << this->m_Id << " ";
    ofs << "stuName:" << this->m_UserName << " ";
    ofs << "roomId:" << room << " ";
    ofs << "status:" << 1 << endl;

    ofs.close();

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

//查看自身预约
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++)
    {
        //string 转 int
        //string 利用.c_str()转const char *
        //利用atoi (const char * )转 int
        if (this->m_Id == atoi(of.m_orderData[i]["stuId"].c_str()))//找到自身预约
        {
            cout << "预约日期:  周" << of.m_orderData[i]["date"];
            cout << " 时间段:  " << (of.m_orderData[i]["interval"] == "1" ? "上午" :"下午");
            cout << " 机房号:  " << of.m_orderData[i]["roomId"];
            string status = "状态:   ";

            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 += "预约失败,审核未通过";
            }
            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 << " 时间段:  " << (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 << " 机房编号:  " << of.m_orderData[i]["roomId"];

        string status = " 状态: ";

        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 += "预约失败,审核未通过";
        }
        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;

    //存放下标
    vector<int>v;

    int index = 1;
    for (int i = 0; i < of.m_Size; i++)
    {
        //找到自身预约的记录
        if (this->m_Id == atoi(of.m_orderData[i]["stuId"].c_str()))
        {
            //筛选状态
            //审核中或预约成功
            if (of.m_orderData[i]["status"] == "1" || of.m_orderData[i]["status"] == "2")
            {
                v.push_back(i);
                cout << index++ << "、 ";
                cout << "预约时期:  周" << of.m_orderData[i]["date"];
                cout << " 时间段:  " << (of.m_orderData[i]["interval"] == "1" ? "上午" : "下午");
                cout << " 机房编号:  " << of.m_orderData[i]["roomId"];
                string status = " 状态:  ";
                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 (1)
    {
        cin >> select;
        if (select >= 0 && select <= v.size())
        {
            if (select == 0)
            {
                break;
            }
            else
            {
                of.m_orderData[v[select - 1]]["status"] = "0";

                //更新文件
                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");
}

机房预约系统.cpp

#include<iostream>
#include"Identity.h"
#include<fstream>
#include<string>
#include"globalFile.h"
#include"Student.h"
#include"teacher.h"
#include"manager.h"

using namespace std;

//进入教师子菜单界面
void teacherMenu(Indentity*& teacher)
{
    while (1)
    {
        //调用子菜单界面
        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;
        }
    }
}

//进入学生子菜单界面
void studentMenu(Indentity*& student)
{
    while (1)
    {
        //调用学生子菜单
        student->operMenu();

        Student* stu = (Student*)student;

        int select = 0;

        cin >> select;//接收用户选择

        if (select == 1)//申请预约
        {
            stu->applyOrder();
        }
        else if (select == 2)//查看自身预约
        {
            stu->showMyOrder();
        }
        else if (select == 3)//查看所有人预约
        {
            stu->showAllOrder();
        }
        else if(select == 4)//取消预约
        {
            stu->cancelOrder();
        }
        else//注销登录
        {
            delete student;
            cout << "注销成功!" << endl;

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

//进入管理员子菜单界面
void managerMenu(Indentity* &manager)
{
    while (1)
    {

        //调用管理员子菜单
        manager->operMenu();

        //将父类指针转为子类指针,调用子类里其他的接口
        Manager* man = (Manager*)manager;

        int select = 0;
        cin >> select;

        if (select == 1)//添加账号
        {
            //cout << "添加账号" << endl;
            man->addPerson();
        }
        else if (select == 2)//查看账号
        {
            //cout << "查看账号" << endl;
            man->showPerson();
        }
        else if (select == 3)//查看机房
        {
            //cout << "查看机房" << endl;
            man->showComputer();
        }
        else if (select == 4)//清空预约
        {
            //cout << "清空预约" << endl;
            man->cleamFile();
        }
        else
        {
            //注销
            delete manager;//销毁堆区对象
            cout << "注销成功" << endl;
            system("pause");
            system("cls");
            return ;
        }
    }
}

//登录功能
//文件名 身份类型
void LoginIn(string fileName, int type)
{
    Indentity * person = NULL;//父类指针指向子类对象

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

    //判断文件是否存在
    if (!ifs.is_open())
    {
        cout << "文件不存在" << endl;
        ifs.close();
        return;
    }

    //准备接受用户的信息
    int id = 0;
    string name;
    string pwd;

    //判断身份
    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)
    {
        //学生身份验证
        int fId;
        string fName;
        string fPwd;
        while (ifs >> fId && ifs >> fName && ifs >> fPwd)
        {
            //与用户输入的信息做对比、
            if (fId == id && fName == name && fPwd == pwd)
            {
                cout << "学生验证登录成功" << endl;
                system("pause");
                system("cls");

                person = new Student(id, name, pwd);
                //进入学生身份的子菜单
                studentMenu(person);
                return;
            }
        }
    }
    else if (type == 2)
    {
        //老师身份验证
        int fId;
        string fName;
        string fPwd;
        while (ifs >> fId && ifs >> fName && ifs >> fPwd)
        {
            //与用户输入的信息做对比、
            if (fId == id && fName == name && fPwd == pwd)
            {
                cout << "老师验证登录成功" << endl;
                system("pause");
                system("cls");

                person = new Teacher(id, name, pwd);
                //进入老师身份的子菜单
                teacherMenu(person);
                return;
            }
        }

    }
    else if (type == 3)
    {
        //管理员身份验证

        string fName;
        string fPwd;
        while (ifs >> fName && ifs >> fPwd)
        {
            //与用户输入的信息做对比、
            if (fName == name && fPwd == pwd)
            {
                cout << "管理员验证登录成功" << endl;
                system("pause");
                system("cls");

                person = new Manager(name, pwd);
                //进入管理员身份的子菜单
                managerMenu(person);

                return;
            }
        }
    }

    cout << "验证登录失败!" << endl;
    system("pause");
    system("cls");
    return;

}

int main(void)
{

    while (1)
    {

        cout << "——————————————" << endl;
        cout << "  欢迎使用机房预约系统系统" << endl;
        cout << "——————————————" << endl;
        cout << "\t1.学生代表" << endl;
        cout << "\t2.老  师" << endl;
        cout << "\t3.管理员" << endl;
        cout << "\t0.退  出" << endl;
        cout << "——————————————" << endl;
        cout << "请输入您的选择" << endl;

        int select = 0;

        cin >> select;
        switch (select)
        {
        case 1://学生
            LoginIn(STUDENT_FILE, 1);
            break;
        case 2://老师
            LoginIn(TEACHER_FILE, 2);
            break;
        case 3://管理员
            LoginIn(ADMIN_FILE, 3);
            break;
        case 0://退出
            cout << "欢迎下次使用!" << 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;
}
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