【C++】图书管理系统(完整版)

图书管理系统功能概览：

登录，注册
学生,老师借书，查看自己当前借书情况，还书。
管理员增加书，查看当前借阅情况，查看当前所有借阅人，图书信息。

代码概览：

各个模块主要负责功能COperationManagement.h  负责登录，注册，管理员，将图书，初始化操作，将借阅信息等从文件中读取出来，放入容器中，便于操作，不用一直对文件进行I/O.CBook.h  用于对书抽象，并实现了>>的重载，便于文件读入，读出CUser.h  工具人，作为老师，学生的父类CStudent.h  对学生进行的抽象CTeacher.h 对老师进行的抽象CAdministrator.h 对管理的抽象CManagementBooks.h  用户所有的相关操作的中间执行者，有设计模式中代理的思想源.cpp  界面的的实现与系统入口

说明：代码100%完整，如果大家不想CV，也可以私聊我发你完整代码，还有就是文件读入建议大家都直接放在相应项目里面，不然就写绝对路径。有问题欢迎大家在评论区提问，喜欢就点个赞咯！

全部代码与讲解:

1.源.cpp

#include<iostream>
#include"CBook.h"
#include"CStudent.h"
#include"CManagementBooks.h"
#include"CTeacher.h"
#include<fstream>
#include"CAdministrator.h"
#include"COperationManagement.h"
using namespace std;
int main()
{CManagementBooks mb;CUser* user = nullptr;COperationManagement om;om.init(mb);cout << "***** 欢迎来到图书馆 *****" << endl;cout << "注意事项" << endl;cout << "1.学生最多共可借三本书,老师最多共可借五本"<<endl<<endl;cout << "请选择您的登录方式 1:老师 2:学生 3:管理员" << endl;int t;cin >> t;if (t == 1){user = new CTeacher;}else if(t == 2){user = new CStudent;}else if(t == 3){CAdministrator admin;om.adminLogin(admin);admin.showInfo();om.adminOperation(admin, mb);return 0;}cout << "您是否已有账号？(y/n):" << endl;string c;cin >> c;if (c == "y"){cout << "请登录:" << endl;om.login(user,t);user->showInfo();}else{cout << "来注册一个吧!" << endl;om.Register(user,t);}om.userOperation(user, mb);delete user;return 0;
}

实现效果：

2.COperationManagement.cpp

#include "COperationManagement.h"
void COperationManagement::login(CUser* user, int t)
{ifstream readFile;ifstream readFile1;if (t == 1){readFile.open("teacherLogin.txt");readFile1.open("teacher.txt");}else{readFile1.open("student.txt");readFile.open("studentLogin.txt");}if (!readFile.is_open()){cout << "登录数据读取错误" << endl;}if (!readFile1.is_open()){cout << "用户数据读取错误" << endl;}cout << "请输入您的学工号:" << endl;string account, password;cin >> account;int flag = 0;while (!readFile.eof()){string act;readFile >> act;if (act == account){cout << "请输入密码:" << endl;cin >> password;string pwd;readFile >> pwd;if (pwd == password){cout << "登录成功" << endl;flag = 1;while (!readFile1.eof()){readFile1 >> user;if(user->getId() == act){break;}}break;}else{cout << "密码错误，请重新登录" << endl;login(user, t);}}}if (!flag){cout << "学工号错误，请重输入" << endl;login(user, t);}readFile.close();readFile1.close();
}void COperationManagement::Register(CUser* user, int t)
{ofstream writeFile;ofstream writeFile1;if (t == 1){writeFile1.open("teacher.txt", ios::app);writeFile.open("teacherLogin.txt",ios::app);}else{writeFile1.open("student.txt", ios::app);writeFile.open("studentLogin.txt",ios::app);}string pwd, act;cout << "请输入您的学工号作为注册账号:" << endl;cin >> act;cout << "请输入您的注册密码:" << endl;cin >> pwd;writeFile << endl << act << " " << pwd;cout << "请完善您的相应信息:" << endl;string  name, department, gender;cout << "您的姓名:" << endl;cin >> name;cout << "您的性别:" << endl;cin >> gender;cout << "您所在的院系:" << endl;cin >> department;writeFile1 <<endl << act << " " << name << " " << gender << " " << department;//这里不能用user,因为在登录时才用，并且并没有初始化writeFile.close();writeFile1.close();cout << "注册成功！ 赶紧登录进入图书管吧!" << endl;login(user, t);
}void COperationManagement::userOperation(CUser* user, CManagementBooks mb)
{while (1){cout << "请选择您的操作 1.借书 2.查看自己当前借书情况 3.还书 4.退出" << endl;int t;cin >> t;if (t == 1){cout << "当前图书馆情况如下：" << endl;mb.showCurrentAllBook();cout << "是否有您想要借阅的图书(y/n)" << endl;string s;cin >> s;if (s == "y"){user->borrowBookFromLibrary(mb);}}else if (t == 2){mb.checkBorrowedBook(user->getId());}else if (t == 3){user->returnBook(mb);}else if (t == 4){cout << "退出成功" << endl;break;}else{cout << "暂无此操作，请按提示操作" << endl;}}
}void COperationManagement::adminLogin(CAdministrator& admin)
{ifstream readFile("adminLogin.txt");ifstream readFile1("admin.txt");cout << "请输入您的工号:" << endl;string account, password;cin >> account;int flag = 0;while (!readFile.eof()){string act;readFile >> act;if (act == account){cout << "请输入密码:" << endl;cin >> password;string pwd;readFile >> pwd;if (pwd == password){cout << "登录成功,欢迎您" << endl;flag = 1;while (!readFile1.eof()){readFile1 >> admin;if(admin.getId() == act){break;}}break;}else{cout << "密码错误，请重新登录" << endl;adminLogin(admin);}}}if (!flag){cout << "学工号错误，请重输入" << endl;adminLogin(admin);}readFile.close();readFile1.close();}void COperationManagement::init(CManagementBooks& mb)
{mb.initBooks();mb.initOutBook();
}void COperationManagement::adminOperation(CAdministrator admin, CManagementBooks mb)
{while (1){cout << "请选择您的操作 1.增加书 2.查看当前借阅情况 3.查看当前所有图书信息情况 4.查看借阅人详细信息 5.退出" << endl;int t;cin >> t;if (t == 1){admin.addBook(mb);}else if (t == 2){mb.checekOutBook();}else if (t == 3){mb.showAllBooksInfo();}else if (t == 4){string id;cout << "请输入您要查看借阅人的学工号:" << endl;cin >> id;mb.viewBorrowerDetails(id);}else if (t == 5){cout << "退出成功" << endl;break;}else{cout << "暂无此操作，请按提示操作" << endl;}}
}

登录效果：
其余功能大家可以自行测试。

CUser.cpp

#include "CUser.h"
#include<iostream>
#include<fstream>
#include"CManagementBooks.h"
using namespace std;CUser::CUser()
{m_name = "陈1";
}void CUser::setId(string id)
{m_id = id;
}void CUser::setName(string name)
{m_name = name;
}void CUser::setGender(string gender)
{m_gender = gender;
}void CUser::setDepartment(string department)
{m_department = department;
}CUser::~CUser()
{}void CUser::returnBook(CManagementBooks& mb)
{int all = mb.checkBorrowedBook(m_id);if (all == 0){cout << "您暂未借书,无需归还" << endl;}else{cout << "请输入您要归还的书名:" << endl;string bookName;cin >> bookName;if (mb.checkTrueBorrow(m_id, bookName)){mb.Return(m_id, bookName);cout << "还书成功" << endl;}else{cout << "您并未借阅此书" << endl;}}
}string CUser::getId()
{return m_id;
}string CUser::getName()
{return m_name;
}string CUser::getGender()
{return m_gender;
}string CUser::getDepartment()
{return m_department;
}std::ostream& operator<<(std::ostream& os, const CUser* user)
{os<< endl << user->m_id << " " << user->m_name << " " << user->m_gender << " " << user->m_department;return os;
}std::istream& operator>>(std::istream& is, CUser* user)
{is >> user->m_id >> user->m_name >> user->m_gender >> user->m_department;return is;
}

CTeacher.cpp

#include "CTeacher.h"
#include<fstream>CTeacher::CTeacher()
{m_name = "刘X";
}void CTeacher::borrowBookFromLibrary(CManagementBooks& mb)
{int all = mb.checkBorrowedBook(m_id);if (all < 5){string name;cout << "请输入您要借的书名:" << endl;cin >> name;if (mb.borrow(name)){ofstream writeFile("borrowedBook.txt", ios::app);mb.setMapValue(m_id, name);writeFile << endl << m_id << " " << name;writeFile.close();}}else{cout << "您已经超过了最大可借阅数" << endl;}
}
void CTeacher::showInfo()
{cout << "姓名:" << m_name<<" " << "学号:" << m_id<<" " << "性别:" << m_gender<<" " << "院系:" << m_department << endl;
}

CStudent.cpp

#include "CStudent.h"
#include<fstream>
using  namespace std;CStudent::CStudent()
{m_class = "软件";
}void CStudent::showInfo()
{cout << "姓名:" << m_name << " " << "学号:" << m_id << " " << "性别:" << m_gender << " " << "院系:" << m_department << " "<<"班级:"<<m_class<<endl;
}void CStudent::borrowBookFromLibrary(CManagementBooks& mb)
{int all = mb.checkBorrowedBook(m_id);if (all < 3){string name;cout << "请输入您要借的书名:" << endl;cin >> name;if (mb.borrow(name)){ofstream writeFile("borrowedBook.txt", ios::app);mb.setMapValue(m_id, name);writeFile << endl << m_id << " " << name;writeFile.close();}}else{cout << "您已经超过了最大可借阅数" << endl;}}void CStudent::setClass(string Class)
{m_class = Class;
}string CStudent::getClass()
{return m_class;
}

CManagementBooks.cpp

#include "CManagementBooks.h"
using namespace std;void CManagementBooks::showCurrentAllBook()
{for (int i = 0; i < m_allBookNum; i++){cout << "书名:" << m_books[i].getName() <<" " << "剩余数量" << m_books[i].getNum() << endl;}
}CManagementBooks::CManagementBooks()
{m_allBookNum = 0;
}void CManagementBooks::addBook(CBook book)
{int flag = 0;for (int i = 0; i < m_allBookNum; i++){if (m_books[i].getName() == book.getName()){flag = 1;m_books[i].setNum(m_books[i].getNum() + book.getNum());ofstream writeFile("library.txt", ios::out);for (int i = 0; i < m_allBookNum; i++){writeFile << m_books[i];}writeFile.close();break;}}if (!flag){ofstream writeFile("library.txt", ios::app);m_books.push_back(book);m_allBookNum++;writeFile << book;writeFile.close();}
}int CManagementBooks::getAllBookNum()
{return m_allBookNum;
}void CManagementBooks::showAllBooksInfo()
{for (int i = 0; i < m_allBookNum; i++){m_books[i].showInfo();}
}bool CManagementBooks::borrow(string name)
{for (int i =0; i <m_allBookNum; i++){if (m_books[i].getName() == name){if (m_books[i].getNum() >= 1){m_books[i].setNum(m_books[i].getNum() - 1);cout << "借书成功" << endl;ofstream writeFile("library.txt");for (int i = 0; i < m_allBookNum; i++){writeFile << m_books[i];}writeFile.close();return true;}else{cout << "此书数量不足" << endl;return false;}}}cout << "很抱歉，暂无此书" << endl;return false;
}void CManagementBooks::Return(string id,string bookName)
{CBook book;book.setName(bookName);addBook(book);ofstream writeFile("borrowedBook.txt",ios::out);for (auto iter =m_outBookMap.begin(); iter != m_outBookMap.end(); ++iter){if (iter->first == id && iter->second == bookName){m_outBookMap.erase(iter);break;}}for (auto map : m_outBookMap){writeFile << endl << map.first << " " << map.second;}writeFile.close();
}void CManagementBooks::initOutBook()
{ifstream readFile("borrowedBook.txt");if (!readFile.is_open()){cout << "查看全体借书情况数据读取出错" << endl;}else{while (!readFile.eof()){string studentId, bookName;readFile >> studentId >> bookName;m_outBookMap.insert(pair<string, string>(studentId, bookName));}}readFile.close();}void CManagementBooks::checekOutBook()
{for (auto map : m_outBookMap){cout << "借阅人学工号:" << map.first<<" " << "借阅书名:" << map.second << endl;}
}void CManagementBooks::initBooks()
{ifstream readFile;readFile.open("library.txt");if (!readFile.is_open()){cout << "图书数据读取错误" << endl;readFile.close();return;}while (!readFile.eof()){CBook book;readFile >> book;m_allBookNum++;m_books.push_back(book);}readFile.close();
}int CManagementBooks::checkBorrowedBook(string userId)
{int flag = 0;for (auto map : m_outBookMap){if (userId == map.first){if (!flag){cout << "您已经借的全部图书如下：" << endl;flag++;}else{flag++;}cout << map.second << " ";}}if (!flag){cout << "您目前没有借书" << endl;}cout << "共：" << flag << "本";cout << endl;return flag;
}void CManagementBooks::viewBorrowerDetails(string id)
{ifstream readFile("teacher.txt");ifstream readFile1("student.txt");int flag = 0;if (!readFile1.is_open()|| !readFile.is_open()){cout << "用户数据读取错误" << endl;}while (!readFile1.eof()){string act1, name, department, gender;readFile1 >> act1 >> name >> gender >> department;if (id == act1){cout<<"用户类别:"<<"学生"<<" " << "用户姓名:" << name << " " << "用户性别:" << gender << " " << "用户所在部门:" << department << endl;flag = 1;}}if (!flag){while (!readFile.eof()){string act1, name, department, gender;readFile >> act1 >> name >> gender >> department;if (id == act1){flag = 1;cout << "用户类别:"<<"老师"<<" " << "用户姓名:" << name << " " << "用户性别:" << gender << " " << "用户所在部门:" << department << endl;}}}if (!flag){cout << "无此用户！" << endl;}readFile.close();readFile1.close();
}bool CManagementBooks::checkTrueBorrow(string id, string bookName)
{for (auto map : m_outBookMap){if (map.first == id && map.second == bookName){return true;}}return false;
}void CManagementBooks::setMapValue(string userId,string bookName)
{m_outBookMap.insert(pair<string, string>(userId, bookName));
}

CBook.cpp

#include "CBook.h"
#include <iostream>
#include<fstream>
using namespace std;CBook::CBook()
{string b = "";string randStr = "0123456789X";for (int i = 0; i <= 12; i++){if (i == 1 || i == 5 || i == 11){b += '-';}else{if (i == 12){b += randStr[rand() % 11];}else{b += randStr[rand() % 10];}}}m_num = 1;m_name = "等待戈多";m_author = "李XX";m_isbn = b;m_page = rand();m_pressInfo = "XX出版社";m_price = rand();
}void CBook::setNum(int num)
{m_num = num;
}int CBook::getNum()
{return m_num;
}void CBook::setName(string name)
{m_name = name;
}string CBook::getName()
{return m_name;
}void CBook::setIsbn(string isbn)
{m_isbn = isbn;
}string CBook::getIsbn()
{return m_isbn;
}void CBook::setPressInfo(string perssInfo)
{ m_pressInfo = perssInfo;
}string CBook::getPressInfo()
{return m_pressInfo;
}void CBook::setPrice(double price)
{m_price = price;
}double CBook::getPrice()
{return m_price;
}void CBook::setPage(int page)
{m_page = page;}int CBook::getPage()
{return m_page;
}void CBook::setAuthor(string author)
{m_author = author;
}string CBook::getAuthor()
{return m_author;
}void CBook::checkIsnb()
{int sum = 0;for (int i = 0, j = 1; i < m_isbn.size(); i++) {if (m_isbn[i] != '-' && i != 12) {sum += (m_isbn[i] - '0') * j;j++;}}sum %= 11;char c = 'X';if (sum < 10) c = sum + '0';if (m_isbn[12] == c) puts("This book isbn are Right!");else puts("This book isbn are wrong!");
}bool CBook::isBorrowed()
{if (m_num >= 1){m_num--;return true;}return false;
}void CBook::showInfo()
{cout<<"作者:" << m_author << " "<<"isbn号码:" << m_isbn << " " <<"书本名称:"<< m_name << " "<<"总页数:" << m_page << " " <<"出版社:" << m_pressInfo << " " <<"价格:" << m_price<< " " <<"剩余本数:"<<m_num<< endl;
}std::ostream& operator <<(std::ostream& os, const CBook& book)
{os << endl <<book.m_name << " " <<book.m_isbn << " " << book.m_pressInfo << " " <<book.m_price << " " << book.m_page << " " << book.m_author << " " << book.m_num;return os;
}std::istream& operator>>(std::istream& is, CBook& book)
{is >> book.m_name >> book.m_isbn >> book.m_pressInfo >> book.m_price >>book.m_page >> book.m_author >> book.m_num;return is;
}

CAdministrator.cpp

#include "CAdministrator.h"
void CAdministrator::addBook(CManagementBooks& mb)
{CBook book;cout << "当前图书馆情况如下" << endl;mb.showAllBooksInfo();cout << "请输入您要增加的图书信息:" << endl;string name, author;double price;int num;cout << "请输入增加的图书书名：" << endl;cin >> name;cout << "请输入增加的图书的作者：" << endl;cin >> author;cout << "请输入增加的图书价格：" << endl;cin >> price;cout << "请输入增加的图书的本书：" << endl;cin >> num;book.setName(name);book.setAuthor(author);book.setNum(num);book.setPrice(price);mb.addBook(book);cout << "新增图书成功" << endl;
}
void  CAdministrator::setId(string id)
{m_id = id;
}void CAdministrator::setName(string name)
{m_name = name;
}void CAdministrator::setGender(string gender)
{m_gender = gender;
}
void CAdministrator::setDepartment(string department)
{m_department = department;
}
void CAdministrator::showInfo()
{cout << "姓名:" << m_name << " " << "工号:" << m_id << " " << "性别:" << m_gender << " " << "部门:" << m_department <<endl;
}std::istream& operator>>(std::istream& is, CAdministrator& admin)
{is >> admin.m_id >> admin.m_name >> admin.m_gender >> admin.m_department;return is;
}
string CAdministrator::getId()
{return m_id;
}string CAdministrator::getName()
{return m_name;
}string  CAdministrator::getGender()
{return m_gender;
}string  CAdministrator::getDepartment()
{return m_department;
}

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【C++】图书管理系统(完整版)

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