我们在入门C++后都会自己设计一个系统，来检验自己的c++基础是否牢固。而博主最近在某站上跟着黑马一起看视频学习c++，其中有个机房预约系统，博主也跟着敲了一下，接下来让我们一起来看看程序吧。

在设计一个系统之前我们应该思考系统的结构，系统的功能以及客户的需求等等。我设计的这个系统有以下功能：学生，老师及管理员三种身份登入，学生功能：申请预约，查看预约，取消预约
老师功能：查看预约，处理预约信息
管理员功能：添加用户成员，查看机房信息，清空订单信息，查看成员信息。

有任何问题请在下面评论，谢谢。

接下来直接上代码：

文件结构如下图：

头文件代码如下：

1.computerroom.h

#pragma once
#include <iostream>
#include <fstream>
#include <string>
#include "filename.h"
#include"order.h"using namespace std;class computerroom
{public:computerroom();~computerroom();int m_num;int m_size;int m_capatity;vector<computerroom> vCmp;//存储机房信息
};

2.filename.h

#pragma once
#define ROOTNAME "root.txt"
#define TEACHERNAME "teacher.txt"
#define STUDENTNAME "student.txt"
#define COMPUTERNAME "computer.txt"
#define ORDERNAME "order.txt"

3.identity.h

#pragma once
#include <iostream>
#include <string>using namespace std;class identity
{public:virtual void m_login() = 0;virtual ~identity();string m_name;string m_password;
};

4.order.h

#pragma once
#include<iostream>
#include<string>
#include<fstream>
#include<map>
#include<vector>
#include"computerroom.h"
#include"filename.h"using namespace std;class Order
{public:Order();~Order();void update_order();//更新预约信息map<int, map<string, string>> M;//存储订单信息};

5.root.h

#pragma once
#include "identity.h"
#include "filename.h"
#include "teacher.h"
#include "student.h"
#include "computerroom.h"
#include <iostream>
#include <string>
#include <vector>
#include <fstream>using namespace std;class root :public identity
{public:root();~root();root(string name,string password);virtual void m_login();//登入菜单void addroot();//添加账号void showroot();//查看账号void showcomputer();//查看机房信息void clearfile();//清理预约信息
};

6.student.h

#pragma once
#include "identity.h"
#include"order.h"
#include <iostream>
#include <string>
#include<vector>
#include"computerroom.h"
#include "filename.h"
#include <fstream>using namespace std;class student :public identity
{public:student();~student();student(int id, string name, string password);virtual void m_login();//登入菜单void order();//预约机房 void show_my();//查看自身预约 void show_all();//查看所有预约void delete_order();//取消预约 int m_id;};

7.teacher.h

#pragma once
#include "identity.h"
#include "filename.h"
#include "order.h"
#include <iostream>
#include <string>
#include <fstream>using namespace std;class teacher :public identity
{public:teacher();~teacher();teacher(int id,string name, string password);virtual void m_login();//登入菜单void showorder();//查看所有预约信息void dealorder();//处理预约信息int m_id;};

源文件

1.computerroom.cpp

#include"computerroom.h"computerroom::computerroom() {Order D;fstream file;int num, capatity, size;file.open(COMPUTERNAME, ios::in);if (!file.is_open()){cout << "文件打开失败！" << endl;return;}int i;while (file >> num && file >> size && file >> capatity){int n = 0;this->m_num = num;string str = to_string(num);for (i = 0; i < D.M.size(); i++){if((!D.M[i]["computer"].compare(str))&& (D.M[i]["status"].compare("3") && (D.M[i]["status"].compare("4"))))n++;}this->m_capatity = capatity;this->m_size = this->m_capatity - n;vCmp.push_back(*this);}file.close();
}
computerroom::~computerroom() {}

2.identity.cpp

#include "identity.h"identity::~identity()
{}

3.mian.cpp

#include "filename.h"
#include "root.h"
#include "teacher.h"
#include "student.h"void login(string FILENAME,int n)
{identity* p=NULL;int key=0;string name,Fname,password,Fpassword;fstream file;file.open(FILENAME.c_str(),ios::in);if (!file.is_open()){cout << "文件未打开！"<<endl;return;}int id,Fid;if (n == 1){cout << "请输入学号：";cin >> id;if(cin.fail()){cout << "输入错误！"<<endl;;cin.clear(); rewind(stdin);return;}cout << "请输入姓名：";cin >> name;cout << "请输入密码：";cin >> password;while (file >> Fid && file >> Fname && file >> Fpassword){if (id == Fid && (!name.compare(Fname)) && (!password.compare(Fpassword))){p = new student(id, name, password);cout << "登入成功！" << endl;system("pause");system("cls");key = 1;p->m_login();}}if (key != 1){cout << "登入失败！" << endl;}}else if (n == 2){cout << "请输入编号：";cin >> id;rewind(stdin);if(cin.fail()){cout << "输入错误！"<<endl;;cin.clear(); rewind(stdin);return;}cout << "请输入姓名：";cin >> name;cout << "请输入密码：";cin >> password;while (file >> Fid && file >> Fname && file >> Fpassword){if (id==Fid&& (!name.compare(Fname)) && (!password.compare(Fpassword))){p = new teacher(id, name, password);cout << "登入成功！" << endl;system("pause");system("cls");key = 1;p->m_login();}}if(key!=1){cout << "登入失败！" << endl;}}else if(n == 3){cout << "请输入姓名：";cin >> name;cout << "请输入密码：";cin >> password;while (file >> Fname && file >> Fpassword){if ((!name.compare(Fname)) && (!password.compare(Fpassword))){p = new root(name, password);cout << "登入成功！" << endl;system("pause");system("cls");key = 1;p->m_login();}}if (key != 1){cout << "登入失败！" << endl;}}else{cout << "输入错误！" << endl;return;}file.close();
}int main()
{while (true){int ch;cout << "\t\t----------欢迎来到机房预约系统----------------" << endl;cout << "\t\t\t-------------------------------" << endl;cout << "\t\t\t\t1.学生身份登入" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t2.教师身份登入" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t3.管理员身份登入" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t0.退出系统" << endl;cout << "\t\t\t-------------------------------" << endl;cout << "请输入：";cin >> ch;if(cin.fail()){cout << "输入错误！"<<endl;;cin.clear(); rewind(stdin);system("pause");system("cls");continue;}switch (ch){case 1:login(STUDENTNAME, 1); break;case 2:login(TEACHERNAME, 2); break;case 3:login(ROOTNAME, 3); break;case 0:cout << "欢迎下次光临！" << endl;exit(0);default:cout << "输入错误请重新输入！" << endl;fflush(stdin);break;}system("pause");system("cls");}
}

4.order.cpp

#include "order.h"void find_order(map<string, string>& m, string& str)
{int start = 0;int pos = str.find(":");string a;a = str.substr(start, pos - start);string b;b = str.substr(pos + 1, str.size() - pos - 1);if (pos != -1){m.insert(make_pair(a, b));}
}Order::Order()
{fstream file;string str;string Fid, Fname, Fweek, Fday, Fstatus, Fcmp;file.open(ORDERNAME, ios::in);if (!file.is_open()){cout << "文件打开失败！" << endl;return;}int i = 0;while (file >> Fid && file >> Fname && file >> Fcmp && file >> Fweek && file >> Fday && file >> Fstatus){map<string, string> m;find_order(m, Fid);find_order(m, Fname);find_order(m, Fcmp);find_order(m, Fweek);find_order(m, Fday);find_order(m, Fstatus);this->M.insert(make_pair(i, m));i++;}file.close();
}Order::~Order()
{}void Order::update_order()
{computerroom T;ofstream file1(COMPUTERNAME, ios::out | ios::trunc);if (!file1.is_open()){cout << "文件打开失败！" << endl;return;}for (vector<computerroom>::iterator it = T.vCmp.begin(); it != T.vCmp.end(); it++){file1 << it->m_num << " " << it->m_size << " " << it->m_capatity << endl;}file1.close();ofstream file;file.open(ORDERNAME, ios::out | ios::trunc);if (!file.is_open()){cout << "文件打开失败！" << endl;return;}int i = 0;for (i = 0; i < this->M.size(); i++){file << "num:" << this->M[i]["num"] << " " << "name:" << this->M[i]["name"] << " " << "computer:" << this->M[i]["computer"] << " " << "week:" << this->M[i]["week"] << " " << "day:" << this->M[i]["day"] << " " << "status:" << this->M[i]["status"] << endl;}file.close();
}

5.root.cpp

#include "root.h"
root::~root()
{}
root::root(string name, string password)
{this->m_name = name;this->m_password = password;
}
bool check_same(string FILENAME,int id,string name)
{ifstream file;int n = 0;file.open(FILENAME.c_str(), ios::in);if (!file.is_open()){cout << "文件打开失败！" << endl;return 0;}string Fname,pwd;int Fid;while (file>>Fid&&file>>Fname&&file>>pwd){if (((Fid==id) || (!Fname.compare(name)))){file.close();return false;}}file.close();return true;
}
void root::m_login()
{int ch;while (true){cout << "\t\t----------"<<this->m_name<<"欢迎来到机房预约系统----------------" << endl;cout << "\t\t\t-------------------------------" << endl;cout << "\t\t\t\t1.添加账号" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t2.查看账号" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t3.查看机房信息" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t4.清空预约信息" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t0.返回" << endl;cout << "\t\t\t-------------------------------" << endl;cout << "请输入：";cin >> ch;if(cin.fail()){cout << "输入错误！"<<endl;;cin.clear(); rewind(stdin);return;}switch (ch){case 1:this->addroot(); break;case 2:this->showroot(); break;case 3:this->showcomputer(); break;case 4:this->clearfile(); break;case 0:delete this; return;default:cout << "输入错误，请重新输入！" << endl;break;}system("pause");system("cls");}
}
void root::addroot()
{ofstream file;int ch=0;int id;string name, password;;cout << "1.添加学生账号" << endl;cout << "2.添加教师账号" << endl;cout << "0.返回" << endl;cout << "请输入：" ;cin >> ch;if (cin.fail()){cin.clear();rewind(stdin);cout << "输入错误！" << endl;return;}if (ch == 1){cout << "请输入学生学号：";cin >> id;cout << "请输入学生姓名：";cin >> name;cout << "请输入学生密码：";cin >> password;bool temp = check_same(STUDENTNAME, id, name);file.open(STUDENTNAME,  ios::out|ios::app);if (!file.is_open()){cout << "文件打开失败！" << endl;return;}if (temp){file << id << " " << name << " " << password << endl;}else{cout << "学号/姓名已存在" << endl;return;}}else if (ch == 2){cout << "请输入教师编号：";cin >> id;cout << "请输入教师姓名：";cin >> name;cout << "请输入教师密码：";cin >> password;bool temp = check_same(TEACHERNAME, id, name);file.open(TEACHERNAME, ios::out | ios::app);if (!file.is_open()){cout << "文件打开失败！" << endl;return;}if (temp){file << id << " " << name << " " << password << endl;}else{cout << "教师编号/姓名已存在" << endl;return;}}else{return;}cout << "添加成功！" << endl;file.close();
}void root::showroot()
{int ch;int id;string name, password;ifstream file;cout << "1.查看学生账号信息" << endl;cout << "2.查看老师账号信息" << endl;cout << "0.返回" << endl;cout << "请输入：";cin >> ch;if (cin.fail()){cin.clear();rewind(stdin);cout << "输入错误！" << endl;return;}if (ch == 1){file.open(STUDENTNAME,ios::in);if (!file.is_open()){cout << "文件打开失败！" << endl;return;}cout << "所有学生账号信息如下：" << endl;while (file >> id && file >> name && file >> password){cout << "学生学号：" <<id << "\t学生姓名：" << name << "\t学生密码：" << password << endl;}file.close();return;}else if (ch == 2){file.open(TEACHERNAME, ios::in);if (!file.is_open()){cout << "文件打开失败！" << endl;return;}cout << "所有教师账号信息如下：" << endl;while (file >> id && file >> name && file >> password){cout << "教师编号：" << id << "\t教师姓名：" << name << "\t教师密码：" << password << endl;}file.close();return;}else{return;}
}void root::showcomputer()
{computerroom T;for (vector<computerroom>::iterator it = T.vCmp.begin(); it != T.vCmp.end(); it++){cout <<"机房编号：\t"<< it->m_num << "\t机房剩余容量:\t" << it->m_size <<"\t机房大小："<< it->m_capatity << endl;}
}void root::clearfile()
{fstream file;file.open(ORDERNAME,ios::out|ios::trunc);if (!file.is_open()){cout << "文件打开失败！" << endl;return;}cout << "清空成功！" << endl;file.close();
}

6.student.cpp

#include "student.h"student::~student()
{}student::student(int id, string name, string password)
{this->m_name = name;this->m_password = password;this->m_id = id;
}void student::m_login()
{int ch;
//  Order D;while (true){cout << "\t\t----------" << this->m_name << "欢迎来到机房预约系统----------------" << endl;cout << "\t\t\t-------------------------------" << endl;cout << "\t\t\t\t1.预约机房" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t2.查看自身预约 " << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t3.查看所有预约" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t4.取消预约 " << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t0.返回" << endl;cout << "\t\t\t-------------------------------" << endl;cout << "请输入：";cin >> ch;if(cin.fail()){cout << "输入错误！"<<endl;;cin.clear(); rewind(stdin);return;}switch (ch){case 1:this->order(); break;case 2:this->show_my(); break;case 3:this->show_all(); break;case 4:this->delete_order();break;case 0:delete this; return;default:cout << "输入错误，请重新输入！" << endl;break;}system("pause");system("cls");}
}
void student::order()
{//ofstream file;Order D;computerroom T;int week=0,cmp_id=0;int  day= 0;cout << "1.星期一" << endl;cout << "2.星期二" << endl;cout << "3.星期三" << endl;cout << "4.星期四" << endl;cout << "5.星期五" << endl;cout << "请输入：";cin >> week;if (cin.fail()){cin.clear();cout << "输入错误，请重新输入！" << endl;rewind(stdin);return;}if (week != 1 && week != 2 && week != 3 && week != 4 && week != 5){cout << "输入错误，请重新输入！" << endl;return;}cout << "1.上午" << endl;cout << "2.下午" << endl;cout << "请输入：";cin >> day;if (cin.fail()){cin.clear();cout << "输入错误，请重新输入！" << endl;rewind(stdin);return;}if (day != 1 && day != 2){cout << "输入错误，请重新输入！" << endl;return;}for (vector<computerroom>::iterator it = T.vCmp.begin(); it != T.vCmp.end(); it++){cout << "机房编号：" << it->m_num << "\t\t机房剩余容量：" << it->m_size << "\t\t机房大小：" << it->m_capatity << endl;}cout << "请输入机房编号：";cin >> cmp_id;int n=0;for (vector<computerroom>::iterator it = T.vCmp.begin(); it != T.vCmp.end(); it++){if (cmp_id == it->m_num){n = 1;it->m_size--;if (it->m_size < 0){cout << "此机房已满！" << endl;return;}break;}}if (n != 1){cout << "输入错误！未查到该机房！" << endl;return;}if (cin.fail()){cin.clear();cout << "输入错误，请重新输入！" << endl;rewind(stdin);return;}cout << "\t\t\t\t预约审核中......" << endl;map<string, string> m;string id=to_string(this->m_id) ;string Week = to_string(week);string Day = to_string(day);string Cmp_id = to_string(cmp_id);m.insert(make_pair("num",id));m.insert(make_pair("name", this->m_name));m.insert(make_pair("computer", Cmp_id));m.insert(make_pair("week", Week));m.insert(make_pair("day", Day));m.insert(make_pair("status", "1"));D.M[D.M.size()] = m;D.update_order();}void student::show_my()
{string week, status, str;int i = 0;Order D;for (i = 0; i < D.M.size(); i++){if (!D.M[i]["name"].compare(this->m_name)){if (!D.M[i]["week"].compare("1"))week = "星期一";else if (!D.M[i]["week"].compare("2"))week = "星期二";else if (!D.M[i]["week"].compare("3"))week = "星期三";else if (!D.M[i]["week"].compare("4"))week = "星期四";else if (!D.M[i]["week"].compare("5"))week = "星期五";elseweek = D.M[i]["week"];if (!D.M[i]["status"].compare("1"))status = "审核中";else if (!D.M[i]["status"].compare("2"))status = "预约成功";else if (!D.M[i]["status"].compare("3"))status = "预约失败";else if (!D.M[i]["status"].compare("4"))status = "已取消";elsestatus = "不明确";cout << "学生学号：" << D.M[i]["num"] << "\t"<< "学生姓名：" << D.M[i]["name"] << "\t"<< "机房编号：" << D.M[i]["computer"] << "\t"<< "week：" << week << "\t"<< "day：" << (D.M[i]["day"].compare("1") ? "下午" : "上午") << "\t"<< "status：" << status << endl;}}}void student::show_all()
{string week,status,str;int i=0;Order D;cout<<"\t\t\t\t一共有"<< D.M.size() <<"条记录"<<endl;for (i = 0; i < D.M.size(); i++){if (!D.M[i]["week"].compare("1"))week = "星期一";else if (!D.M[i]["week"].compare("2"))week = "星期二";else if (!D.M[i]["week"].compare("3"))week = "星期三";else if (!D.M[i]["week"].compare("4"))week = "星期四";else if (!D.M[i]["week"].compare("5"))week = "星期五";elseweek = D.M[i]["week"];if (!D.M[i]["status"].compare("1"))status = "审核中";else if (!D.M[i]["status"].compare("2"))status = "预约成功";else if (!D.M[i]["status"].compare("3"))status = "预约失败";else if (!D.M[i]["status"].compare("4"))status = "已取消";elsestatus = "不明确";cout << "学生学号：" << D.M[i]["num"] << "\t"<< "学生姓名：" << D.M[i]["name"] << "\t"<< "机房编号：" << D.M[i]["computer"] << "\t"<< "week：" << week << "\t"<< "day：" << (D.M[i]["day"].compare("1")?"下午" : "上午") << "\t"<< "status：" << status << endl;}}
void student::delete_order()
{Order D;string week, status, str;int i = 0, j = 1;vector<int> v;computerroom T;if (D.M.size() == 0){cout << "该学生还没有预约！" << endl;return;}for (i = 0; i < D.M.size(); i++){if (!D.M[i]["name"].compare(this->m_name)){v.push_back(i);if (!D.M[i]["week"].compare("1"))week = "星期一";else if (!D.M[i]["week"].compare("2"))week = "星期二";else if (!D.M[i]["week"].compare("3"))week = "星期三";else if (!D.M[i]["week"].compare("4"))week = "星期四";else if (!D.M[i]["week"].compare("5"))week = "星期五";elseweek = D.M[i]["week"];if (!D.M[i]["status"].compare("1"))status = "审核中";else if (!D.M[i]["status"].compare("2"))status = "预约成功";else if (!D.M[i]["status"].compare("3"))status = "预约失败";else if (!D.M[i]["status"].compare("4"))status = "已取消";elsestatus = "不明确";cout<<j<<":"<< "\t学生学号：" << D.M[i]["num"] << "\t"<< "学生姓名：" << D.M[i]["name"] << "\t"<< "机房编号：" << D.M[i]["computer"] << "\t"<< "week：" << week << "\t"<< "day：" << (D.M[i]["day"].compare("1") ? "下午" : "上午") << "\t"<< "status：" << status << endl;j++;}}int ch=0;while (true){cout << "请输入要取消预约的编号：";cin >> ch;rewind(stdin);if (cin.fail() || ch > i + 1||ch<=0){cout << "输入错误！" << endl;cin.clear();rewind(stdin);continue;}else{if (D.M[v[ch - 1]]["status"] == "4"){cout << "预约已取消，无需再次操作！" << endl;return;}D.M[v[ch - 1]]["status"] = "4";string cmp_id= D.M[v[ch - 1]]["computer"];for (vector<computerroom>::iterator it = T.vCmp.begin(); it != T.vCmp.end(); it++){if (atoi(cmp_id.c_str()) == it->m_num){it->m_size++;}}cout << "取消成功！" << endl;break;}}D.update_order();
}

7.teacher.cpp

#include "teacher.h"teacher::teacher(int id,string name, string password)
{this->m_name = name;this->m_password = password;this->m_id = id;fstream file;}teacher::~teacher()
{}
void teacher::m_login()
{int ch;while (true){cout << "\t\t----------" << this->m_name << "欢迎来到机房预约系统----------------" << endl;cout << "\t\t\t-------------------------------" << endl;cout << "\t\t\t\t1.查看所有预约信息" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t2.处理预约信息" << endl;cout << "\t\t\t" << endl;cout << "\t\t\t\t0.返回" << endl;cout << "\t\t\t-------------------------------" << endl;cout << "请输入：";cin >> ch;if(cin.fail()){cout << "输入错误！"<<endl;;cin.clear(); rewind(stdin);return;}switch (ch){case 1:this->showorder(); break;case 2:this->dealorder(); break;case 0:delete this; return;default:cout << "输入错误，请重新输入！" << endl;break;}system("pause");system("cls");}
}void teacher::showorder()
{string week, status, str;int i = 0;Order D;cout << "\t\t\t\t一共有" << D.M.size() << "条记录" << endl;for (i = 0; i < D.M.size(); i++){if (!D.M[i]["week"].compare("1"))week = "星期一";else if (!D.M[i]["week"].compare("2"))week = "星期二";else if (!D.M[i]["week"].compare("3"))week = "星期三";else if (!D.M[i]["week"].compare("4"))week = "星期四";else if (!D.M[i]["week"].compare("5"))week = "星期五";elseweek = D.M[i]["week"];if (!D.M[i]["status"].compare("1"))status = "审核中";else if (!D.M[i]["status"].compare("2"))status = "预约成功";else if (!D.M[i]["status"].compare("3"))status = "预约失败";else if (!D.M[i]["status"].compare("4"))status = "已取消";elsestatus = "不明确";cout << "学生学号：" << D.M[i]["num"] << "\t"<< "学生姓名：" << D.M[i]["name"] << "\t"<< "机房编号：" << D.M[i]["computer"] << "\t"<< "week：" << week << "\t"<< "day：" << (D.M[i]["day"].compare("1") ? "下午" : "上午") << "\t"<< "status：" << status << endl;}
}void teacher::dealorder()
{Order D;string week, status, str;int i = 0, j = 1;vector<int> v;computerroom T;if (D.M.size() == 0){cout << "该学生还没有预约！" << endl;return;}cout << "\t\t\t\t待处理的预约订单如下：" << endl;for (i = 0; i < D.M.size(); i++){if (!D.M[i]["status"].compare("1")){v.push_back(i);if (!D.M[i]["week"].compare("1"))week = "星期一";else if (!D.M[i]["week"].compare("2"))week = "星期二";else if (!D.M[i]["week"].compare("3"))week = "星期三";else if (!D.M[i]["week"].compare("4"))week = "星期四";else if (!D.M[i]["week"].compare("5"))week = "星期五";elseweek = D.M[i]["week"];if (!D.M[i]["status"].compare("1"))status = "审核中";elsestatus = "不明确";cout << j << ":" << "\t学生学号：" << D.M[i]["num"] << "\t"<< "学生姓名：" << D.M[i]["name"] << "\t"<< "机房编号：" << D.M[i]["computer"] << "\t"<< "week：" << week << "\t"<< "day：" << (D.M[i]["day"].compare("1") ? "下午" : "上午") << "\t"<< "status：" << status << endl;j++;}}int ch = 0,n=0;while (true){cout << "请输入要处理预约的编号：";cin >> ch;rewind(stdin);if (cin.fail() || ch > v.size()|| ch <= 0){cout << "输入错误！请重新输入：" << endl;cin.clear();rewind(stdin);continue;}else{cout << "1.通过" << endl;cout << "2.不通过" << endl;cout << "0.返回" << endl;cout << "请输入：";cin >> n;if (cin.fail()){cout << "输入错误！请重新输入：" << endl;cin.clear();rewind(stdin);continue;}if (n==1){D.M[v[ch-1]]["status"] = "2";}else if (n == 2){D.M[v[ch - 1]]["status"] = "3";}else if (n == 0){return;}else{D.M[v[ch - 1]]["status"] = "3";}cout << "处理成功！" << endl;break;}}D.update_order();
}

C/C++ 机房预约系统相关推荐

C++ 机房预约系统
文章目录机房预约系统一. 系统需求 1. 系统简介 2. 身份简介 3. 机房简介 4. 申请简介 5. 系统需求 6. 创建文件二. 创建主菜单 1. 菜单实现 2. 接口搭建三. 退出功能 ...
机房预约系统（黑马程序员）
机房预约系统 1.机房预约系统需求 1.1 系统简介学校现有几个规格不同的机房,由于使用时经常出现"撞车"现象,现开发一套机房预约系统,解决这一问题. 1.2 身份简介分别有三 ...
C++实现机房预约系统
相关视频--黑马程序员C++(282-314) (1-83笔记)--链接 (84-146笔记)--链接 (146-166笔记)--链接 (167-263笔记)--链接 (264-281笔记)--链接 ...
黑马程序员C++ 案例四机房预约系统
源文件机房预约系统.cpp #include<iostream> using namespace std; #include"identity.h" #include ...
机房预约系统（C++）
各位读者朋友,大家好!本篇文章主要内容是将黑马程序员(C++)的机房预约系统的源代码展现给大家.原码的大部分与黑马程序员老师写的代码一致,我只是对其中的一小部分做了优化,比如用户输入自己的选择不再程序 ...
C++笔记16：C++第七阶段：机房预约系统---返回引用vector＜Orders＞的bug解释
0913 机房预约系统 1.1 系统简介 1.2 身份简介 1.3 机房简介 1.4 系统具体需求: 1.5程序代码分析: 1.系统管理类:class ManageSystem ManageSyste ...
【C++】C++实战项目机房预约管理系统
前言这是C++总结性练习,主要以一个综合案例对以前学过的知识进行复习巩固,为以后编程打下基础. 1. 机房预约系统需求 1.1 系统简介学校有几个规格不同的机房, 由于使用时经常出现"撞 ...
java毕业生设计新冠疫苗预约系统计算机源码+系统+mysql+调试部署+lw
java毕业生设计新冠疫苗预约系统计算机源码+系统+mysql+调试部署+lw java毕业生设计新冠疫苗预约系统计算机源码+系统+mysql+调试部署+lw 本源码技术栈: 项目架构:B/S架构开 ...
机房预订系统(水文)
//3.1 菜单实现// 在主函数main中添加菜单提示,代码如下:int main() {cout << "====================== 欢迎来到机房预约系到统 ...

C/C++ 机房预约系统