C++实现图书馆管理系统 C++实现图书馆管理系统

本文实例为大家分享了C++实现图书馆管理系统的具体代码，供大家参考，具体内容如下
一、实验名称图书馆管理系统
二、实验目的利用C++语言设计开发一个小型的图书馆管理系统模拟程序，具有如下功能：退出系统、增加图书、删除图书、借阅图书、归还图书、显示图书信息、查询图书等功能。实验中应掌握继承结构，并掌握对象、类、链表的使用和成员函数、构造函数的定义及调用，并掌握使用实验设备的技能技巧和程序的调试方法。
三、实验平台运行环境：VC++6.0
四、问题分析图书馆管理系统模拟程序可划分为7个模块：退出模块、增加图书模块、删除图书模块、借阅图书模块、归还图书模块、显示图书信息模块、查询图书模块。各模块之间均有着或多或少的联系，比如：借阅图书模块、显示图书信息模块、查询图书模块都需要在进行增加图书模块后进行。理解了各模块之间的主要关系有利于程序的设计与完成，使程序的层次结构清晰，便于程序的编写、阅读和调试。以下为本次试验的项目构架图：
【C++实现图书馆管理系统】
文章图片

本次实验定义了三个类：Item类、Person类、Library类
Item类中有public函数： name、item_type、bool Register(bool函数输出值只有ture和force，用来判断是否注册)。
Person类中public函数：Name ()、Adress ()、Regist_items。
Library类中public函数：addBook()向图书馆里加书籍、deleteBook()删除无用书籍、brrowBook()借书，之前先判断书籍是否存在、returnBook()还书、getReader()查询某编号的书是谁借了、indexOfNum(string num) 根据编号得到书在数组中的下标；
private函数：vector books所有书籍、map readers存储读者及其所借的书籍数目、currentNum库存书籍数目、brrowNum借出书籍数目。
附录：程序源代码：

#include#include#include#include#include#include using namespace std; class item{public:string name; string item_type; bool Register; }; //杂志类class magazine :public item{string Type; string Writer; }; //MusicCd类class MusicCd :public item{string Singer; }; //电影类class Movie :public item{string Type; string Director; string Actor; }; //书籍类class Book : public item{public:Book() { borrow_flag = false; }//无参构造函数Book(string name, string num, string auther):name(name), num(num), auther(auther) {borrow_flag = false; }//有参构造函数void setReader(string reader, int lcn, string data); //设置读者void setInfo(string name, string num, string auther); //设置书籍信息string getName() {return name; }string getNum() { return num; }string getAuther() {return auther; }bool getBorrow_flag() {return borrow_flag; }string getReader() {return reader; }int getLcn() {return lcn; }string getData() {return data; }bool isBorrow() { return borrow_flag; }//判断书籍是否借出void setBorrow_flag(bool b) { borrow_flag = b; }void showInfo(); //显示数据信息private:string name; //书名string num; //编号（唯一标示）string auther; //作者bool borrow_flag; string reader; //读者int lcn; //借书证号string data; //借书日期}; //DVD电影类class DVD :public Movie{}; //蓝光电影类class Blue_ligh :public Movie{}; //用户class Person{public:string Name; string Adress; list Regist_items; }; void Book::setReader(string reader, int lcn, string data){borrow_flag = true; this->reader.assign(reader); this->lcn = lcn; this->data.assign(data); }void Book::setInfo(string name, string num, string auther){this->name.assign(name); this->num.assign(num); this->auther.assign(auther); }void Book::showInfo(){cout << "书籍名称：" << setiosflags(ios_base::left) << setw(56) << name << endl<< "书籍编号：" << setw(56) << num<< endl<< "书籍作者：" << setw(56) << auther<< endl; if (borrow_flag){cout << "书籍被借出。\n"<< "读者姓名：" << setw(56) << reader<< endl<< "借书证号：" << setw(56) << lcn << endl<< "借书日期：" << setw(56) << data << endl; }else {cout << "书籍未被借出。\n"; }}class Library{public://书籍库list itemList; Library() { currentNum = 0; brrowNum = 0; }void addBook(); //向图书馆里加书籍void addBook(string name, string num, string auther); void deleteBook(); //删除无用书籍void brrowBook(); //借书，之前先判断书籍是否存在void returnBook(); //还书void getReader(); //查询某编号的书是谁借了int indexOfNum(string num); //根据编号得到书在数组中的下标vector getBooks() {return books; }void showInfo(); int getTotalBooks() { return currentNum + brrowNum; }private:vector books; //所有书籍map readers; //存储读者及其所借的书籍数目 int currentNum; //库存书籍数目(不包括借出的)int brrowNum; //借出书籍数目}; void Library::showInfo(){cout << "***************************所有图书信息***************************\n\n"; for (int i = 0; i < books.size(); i++){cout << "第" << i + 1 << "本书籍的信息。" << endl; books[i].showInfo(); }system("pause"); system("cls"); }int Library::indexOfNum(string num){int i; for (i = 0; i < books.size(); i++){if (books[i].getNum() == num)return i; }return -1; }void Library::addBook(){Book b; int temp; string name, num, auther; cout << "*****************************增加界面*****************************\n\n"; do {cout << "输入书籍名称，编号，作者："; cin >> name >> num >> auther; b.setInfo(name, num, auther); if (indexOfNum(num) == -1) {books.push_back(b); currentNum++; cout << "\n添加成功。" << endl; cout << "输入1继续增加,返回上一层输入2："; cin >> temp; }else {cout << "已存在该编号的书籍，添加失败。" << endl; cout << "输入1继续重新增加,返回上一层输入2："; cin >> temp; }} while (temp == 1); system("pause"); system("cls"); }void Library::addBook(string name, string num, string auther){Book b; b.setInfo(name, num, auther); books.push_back(b); }void Library::deleteBook(){int index, temp; string num; cout << "*****************************删除界面*****************************\n\n"; do {cout << "输入要删除的书籍的编号："; cin >> num; index = indexOfNum(num); if (index != -1) {if (!books[index].getBorrow_flag()) {cout << "删除的书籍的信息：\n"; books[index].showInfo(); books.erase(books.begin() + index); currentNum--; cout << "删除成功。" << endl; cout << "输入1继续继续删除,返回上一层输入2："; cin >> temp; }else {cout << "删除失败！书籍已经被借出。" << endl; cout << "输入1继续继续删除,返回上一层输入2："; cin >> temp; }}else{cout << "删除失败。未找到编号为" << num << "的书籍。\n"; cout << "输入1继续继续删除,返回上一层输入2："; cin >> temp; }} while (temp == 1); system("pause"); system("cls"); }void Library::brrowBook(){string num; int index; cout << "*****************************借阅界面*****************************\n\n"; cout << "输入要借阅的书籍的编号："; cin >> num; index = indexOfNum(num); if (index != -1) {if (books[index].isBorrow()) {cout << "借阅失败，书籍以及被借出。\n"; system("pause"); system("cls"); }else{cout << "要借的书籍的信息：\n"; books[index].showInfo(); string reader, data; int lcn; cout << "输入读者姓名，借书证号，借书日期："; cin >> reader >> lcn >> data; if (readers[reader] != 2) {books[index].setReader(reader, lcn, data); cout << "借书完成。\n"; currentNum--; brrowNum++; readers[reader]++; system("pause"); system("cls"); }else{cout << "借书失败，该读者以借超过两本书籍。\n"; system("pause"); system("cls"); }}}else{cout << "借书失败。未找到编号为" << num << "的书籍.\n"; system("pause"); system("cls"); }}void Library::returnBook(){string num; cout << "*****************************还书界面*****************************\n\n"; cout << "输入要还的书籍的编号："; cin >> num; int index; index = indexOfNum(num); if (index != -1){cout << "要还的书籍的信息为：\n"; books[index].showInfo(); books[index].setBorrow_flag(false); readers[books[index].getReader()]--; cout << "还书成功。\n"; system("pause"); system("cls"); }else{cout << "还书失败，请检查书籍编号是否输入错误！\n"; system("pause"); system("cls"); }}void Library::getReader(){string num; cout << "*****************************查询界面*****************************\n\n"; cout << "输入要查找的书籍编号："; cin >> num; int index; index = indexOfNum(num); if (index != -1){if (books[index].getBorrow_flag())cout << "读者为：" << books[index].getReader() << endl; else {cout << "无读者。" << endl; }system("pause"); system("cls"); }else{cout << "查询失败，请检查书籍编号是否输入错误！\n"; system("pause"); system("cls"); }}Library l; void menu(){int temp; while (1){cout << "___________________________ 图书馆管理系统____________________________\n"; cout << "┏━━━━━━━━━━━━━┓\n"; cout << "┃ [0]退出系统。┃\n"; cout << "┃ [1]增加图书。┃\n"; cout << "┃ [2]删除图书。┃\n"; cout << "┃ [3]借阅图书。┃\n"; cout << "┃ [4]归还图书。┃\n"; cout << "┃ [5]显示图书信息。┃\n"; cout << "┃ [6]查询图书。┃\n"; cout << "┗━━━━━━━━━━━━━┛\n"; cout << "输入要进行的操作："; cin >> temp; switch (temp) {case 1:system("cls"); l.addBook(); break; case 2:system("cls"); l.deleteBook(); break; case 3:system("cls"); l.brrowBook(); break; case 4:system("cls"); l.returnBook(); break; case 5:system("cls"); l.showInfo(); break; case 6:system("cls"); l.getReader(); break; case 0:exit(1); break; default:cout << "输入错误！" << endl; system("pause"); system("cls"); }}}int main(){menu(); return 0; }

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