//computerRoom.h

#pragma once
#include <iostream>
using namespace std;//机房类
class ComputerRoom {
public:int m_ComId;//机房Id号int m_MaxNum;//最大容量};

//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"

//Identity.h

#pragma once
#include<iostream>
using namespace std;class Identity {
public://操作菜单    纯虚函数virtual void operMenu() = 0;//用户名string m_Name;//用户密码string m_Pwd;};

//Manager.h

#pragma once
#include<iostream>
using namespace std;
#include "Identity.h"
#include <string>
#include <fstream>
#include "globalFile.h"
#include <vector>
#include "Student.h"
#include "Teacher.h"
#include "computerRoom.h"class Manager : public Identity {
public://无参构造Manager();//有参构造Manager(string name, string pwd);//显示管理员菜单的操作界面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();//初始化容器void initVector();//检测重复   参数1 检测学号/职工号   参数2 检测类型bool checkRepeat(int id, int type);//学生容器vector<Student>vStu;//教师容器vector<Teacher>vTea;//机房信息vector<ComputerRoom>vCom;
};

//orderFile.h

#pragma once
#include<iostream>
using namespace std;
#include "globalFile.h"
#include <fstream>
#include <map>
#include <string>class OrderFile {
public://构造函数OrderFile();//更新预约条数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 value 具体记录键值对信息map<int, map<string, string>> m_orderData;
};

//Student.h

#pragma once
#include<iostream>
using namespace std;
#include "Identity.h"
#include <vector>
#include "computerRoom.h"
#include <fstream>
#include "globalFile.h"
#include "orderFile.h"//学生类
class Student :public Identity{
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();//学生学号int m_Id;//机房容器vector<ComputerRoom> vCom;
};

//Teacher.h

#pragma once
#include<iostream>
using namespace std;
#include "Identity.h"
#include "orderFile.h"
#include <vector>//教师类设计
class Teacher :public Identity {
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();//审批预约void validOrder();//职工idint m_EmpId;
};

//Manager.cpp

#include "Manager.h"
#include <algorithm>
//无参构造
Manager::Manager() {}//有参构造
Manager::Manager(string name, string pwd) {//初始化管理员信息this->m_Name = name;this->m_Pwd = pwd;//初始化容器 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_MaxNum) {vCom.push_back(com);}ifs.close();}//显示管理员菜单的操作界面
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string errorTip;//重复错误提示ofstream ofs;//文件操作对象int select = 0;cin >> select;//接受用户的选项if (select == 1) {//添加的是学生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";}//利用追加的方式写文件ofs.open(fileName, ios::out | ios::app);int id;  //学号/职工号string name;  //姓名string pwd;  //密码cout << tip << endl;while (true) {cin >> id;bool ret = this->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;//向文件中添加数据ofs << id << " " << name << " " << pwd << " " << endl;cout << "添加成功" << endl;system("pause");system("cls");ofs.close();//调用初始化容器接口，从新获取文件中的数据this->initVector();
}void printStudent(Student &s) {cout << "学号：" << s.m_Id << " 姓名：" << s.m_Name << " 密码：" << s.m_Pwd << endl;
}void printTeacher(Teacher& t) {cout << "职工号：" << t.m_EmpId << " 姓名：" << t.m_Name << " 密码：" << t.m_Pwd << 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;//接受用户选择cin >> select;if (select == 1) {//查看学生cout << "所有学生信息如下：" << endl;for_each(vStu.begin(), vStu.end(), printStudent);}else {//查看老师cout << "所有教师信息如下：" << 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_MaxNum << endl;}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");
}//初始化容器
void Manager::initVector() {//确保文件清空状态vStu.clear();vTea.clear();//读取信息  学生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_Name && ifs >> s.m_Pwd) {vStu.push_back(s);}cout << "当前学生数量为：" << vStu.size() << endl;ifs.close();//读取信息 老师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 << "当前老师数量为：" << vTea.size() << endl;ifs.close();
}//检测重复   参数1 检测学号/职工号   参数2 检测类型
bool Manager::checkRepeat(int id, int type) {if (type == 1) {//检测学生for (vector<Student>::iterator it = vStu.begin(); it != vStu.end(); it++) {if (id == it->m_Id) {return true;}}return false;}else {//检测老师for (vector<Teacher>::iterator it = vTea.begin(); it != vTea.end(); it++){if (id == it->m_EmpId) {return true;}}return false;}
}

//orderfile.cpp

#include "orderFile.h"//构造函数
OrderFile::OrderFile() {ifstream ifs;ifs.open(ORDER_FILE, ios::in);string date;   //日期string interval;   //时间段string stuId;   //学生编号string stuName;   //学生姓名string roomId;   //机房编号string status;   //预约状态this->m_Size = 0;  //预约记录条数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;cout << endl;*///date:1string key;string value;map<string, string>m;int pos = date.find(":");//4if (pos != -1) {key = date.substr(0, pos);value = date.substr(pos + 1, date.size() - pos - 1);     //size = 9 pos = 4  size - pos -1 = 5-1m.insert(make_pair(key, value));}/*cout << "key = " << key << endl;cout << "value = " << value << endl;*///截取时间段pos = interval.find(":");//4if (pos != -1) {key = interval.substr(0, pos);value = interval.substr(pos + 1, interval.size() - pos - 1);     //size = 9 pos = 4  size - pos -1 = 5-1m.insert(make_pair(key, value));}//截取学号pos = stuId.find(":");//4if (pos != -1) {key = stuId.substr(0, pos);value = stuId.substr(pos + 1, stuId.size() - pos - 1);     //size = 9 pos = 4  size - pos -1 = 5-1m.insert(make_pair(key, value));}//截取姓名pos = stuName.find(":");//4if (pos != -1) {key = stuName.substr(0, pos);value = stuName.substr(pos + 1, stuName.size() - pos - 1);     //size = 9 pos = 4  size - pos -1 = 5-1m.insert(make_pair(key, value));}//截取机房号pos = roomId.find(":");//4if (pos != -1) {key = roomId.substr(0, pos);value = roomId.substr(pos + 1, roomId.size() - pos - 1);     //size = 9 pos = 4  size - pos -1 = 5-1m.insert(make_pair(key, value));}//截取预约状态pos = status.find(":");//4if (pos != -1) {key = status.substr(0, pos);value = status.substr(pos + 1, status.size() - pos - 1);     //size = 9 pos = 4  size - pos -1 = 5-1m.insert(make_pair(key, value));}//将小map容器放入到大map容器中this->m_orderData.insert(make_pair(this->m_Size, m));this->m_Size++;}ifs.close();测试最大map容器//for (map<int, map<string, string>>::iterator it = m_orderData.begin(); it != m_orderData.end(); it++) {//	cout << "条数为：" << it->first << " value =" << endl;//	for (map<string, string> :: iterator mit = (*it).second.begin(); mit != it->second.end(); mit++) {//		cout << " key =" << mit->first << " value =" << mit->second << " ";//	}//	cout << endl;//}
}//更新预约记录
void OrderFile::updateOrder() {if (this->m_Size == 0) {return;//预约记录0条，直接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"] << " ";}ofs.close();system("pause");system("cls");
}

//Student.cpp

#include "Student.h"//默认构造
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_Name = name;this->m_Pwd = 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_MaxNum) {//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_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";
}//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;   //日期int interval = 0;   //时间段int room = 0;    //机房编号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;for (int i = 0; i < vCom.size(); i++) {cout << vCom[i].m_ComId << "号机房容量为：" << vCom[i].m_MaxNum << endl;}while (true) {cin >> room;if (room >= 1 && room <= 3) {break;}cout << "输入有误，请重新输入" << endl;}cout << "预约成功!审核中" << endl;ofstream ofs;ofs.open(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://1.string 利用 .c_str() 转 const char *//2.利用 atoi(const char *)转 intif (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");string status = "  状态:";//1 审核中 2 已预约  -1  预约失败  0  取消预约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 += "预约失败，审核已取消";}cout << status << endl;}}system("pause");system("cls");
}//查看所有预约
void Student::showAllOrder() {OrderFile of;if (of.m_Size == 0) {cout << "五预约记录" << 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";//1 审核中 2 已预约 -1预约失败 0 取消预约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;vector<int>v;  //存放在最大容器中的下标编号int index = 1;for (int i = 0; i < of.m_Size; i++) {//先判断是自身学号if (this->m_Id == atoi(of.m_orderData[i]["stuId"].c_str())) {//再筛选状态 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 (true) {cin >> select;if (select >= 0 && select <= v.size()) {if (select == 0) {break;}else {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");
}

//Teacher.cpp

#include"Teacher.h"//默认构造
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_Name = name;this->m_Pwd = pwd;
}//菜单
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]["rooomId"];string status;//1 审核中  2  已预约  -1  预约失败  0  取消预约if (of.m_orderData[i]["status"] == "1") {status += "审核中";}else if (of.m_orderData[i]["status"] == "2") {status += "已预约";}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");
}//审批预约
void Teacher::validOrder() {OrderFile of;if (of.m_Size == 0) {cout << "无预约记录" << endl;system("pause");system("cls");return;}vector<int>v;int index = 0;cout << "待审核预约的记录如下：" << endl;for (int i = 0; i < of.m_Size; i++) {if (of.m_orderData[i]["status"] == "1") {v.push_back(i);cout << ++index << "、";cout << "预约时间：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"];string status = "状态：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;  //接受用户选择的预约记录int ret = 0;   //接受预约结果记录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) {//通过情况of.m_orderData[v[select - 1]]["status"] = "2";}else {//不通过情况of.m_orderData[v[select - 1]]["status"] = "-1";}of.updateOrder();//更新预约记录cout << "审核完毕" << endl;break;}}cout << "输入有误，请重新输入！" << endl;}system("pause");system("cls");}

//机房预约.cpp

#include<iostream>
using namespace std;
#include "Identity.h"
#include <fstream>
#include <string>
#include "globalFile.h"
#include "Student.h"
#include "Teacher.h"
#include "Manager.h"//进入学生子菜单界面
void studentMenu(Identity*& student) {while (true) {//调用学生子菜单student->operMenu();Student* stu = (Student*)student;int select = 0;cin >> select;//接受用户选择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 << "注销预约" << endl;system("pause");system("cls");return;}}
}//进入教师子菜单界面
void teacherMenu(Identity*& teacher) {while (true) {//调用子菜单界面teacher->operMenu();Teacher* tea = (Teacher*)teacher;int select = 0;  //接收用户选择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;}}
}//进入管理员子菜单界面
void managerMenu(Identity * &manager) {while (true) {//调用管理员子菜单manager->operMenu();//将父类指针 转为子类指针，调用子类里其他接口Manager* man = (Manager*)manager;int select = 0;//接受用户选择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->cleanFile();}else {//注销delete manager;//销毁掉堆区对象//cout << "注销成功" << endl;system("pause");system("cls");return;}}
}//登录功能  参数1  操作文件名  参数2 操作身份类型
void LoginIn(string fileName, int type) {//父类指针，用于指向子类对象Identity* person = NULL;//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) {//学生身份cout << "请输入你的学号：" << endl;cin >> id;}else if (type == 2) {cout << "请输入职工号：" << 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;//从文件中读取的id好string fName;//从文件中获取的姓名string fPwd;//从文件中获取中密码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) {//教师身份验证int fId;  //从文件中获取的id号string fName;  //从文件中获取的姓名string fPwd;   //从文件中获取的密码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 << "教师验证登录成功！" << endl;system("pause");system("cls");person = new Teacher(id, name, pwd);//进入教师子菜单teacherMenu(person);return;}}}else if (type == 3) {//管理员身份验证string fName;     //从文件中获取的姓名string fPwd;      //从文件中获取的密码while (ifs >> fName && ifs >> fPwd) {if (name == fName && pwd == fPwd) {cout << "管理员验证登录成功！" << endl;//登录成功后，按任意键进入管理员界面system("pause");system("cls");//创建管理员对象person = new Manager(name, pwd);//进入管理员子菜单界面managerMenu(person);return;}}}cout << "验证身份登录失败！" << endl;system("pause");system("cls");
}int main() {while (true) {int select = 0;cout << "============================ 欢迎来到传智播客机房预约系统 =========================" << endl;cout << endl;cout << "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.  教师           |\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 << "请输入您的选择：" << endl;cin >> select;switch (select) {case 1:LoginIn(STUDENT_FILE, 1);break;case 2:LoginIn(TEACHER_FILE, 2);break;case 3:LoginIn(ADMIN_FILE, 3);break;case 0:cout << "欢迎下次使用！" << endl;system("pause");return 0;break;default:cout << "输入有误，请重新输入！" << endl;system("pause");system("cls");break;}}system("pause");system("cls");return 0;
}

希望对大家有所帮助！