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用C++实现图书馆管理系统

7月前 作者：IT大鸵鸟 分类：Toy博客 阅读(35) 违法举报

这篇具有很好参考价值的文章主要介绍了用C++实现图书馆管理系统。希望对大家有所帮助。如果存在错误或未考虑完全的地方，请大家不吝赐教，您也可以点击"举报违法"按钮提交疑问。

该程序包含一个 `Book` 类，代表图书馆中的书籍，具有标题、作者、出版商、出版年份和可用性属性。程序中还定义了一个 `bookList` 向量，用于存储图书馆中的所有书籍。

程序的 `main` 函数通过循环显示菜单，然后根据用户的选择调用相应的函数。用户可以选择添加新书籍、搜索现有书籍、显示所有书籍、借书或还书。每个函数都有与之对应的操作，如添加新书籍、打印书籍详情等。

这个程序的核心在于 `Book` 类和 `bookList` 向量，这些都是通过C++的面向对象编程实现的。此外，程序使用了标准输入和输出库，以及字符串和向量 STL 类，简化了输入和输出操作。文章来源地址https://www.toymoban.com/news/detail-518383.html

#include <iostream>
#include <string>
#include <vector>
using namespace std;

class Book {
    string title;
    string author;
    string publisher;
    int year;
    bool available;

public:
    Book(string title, string author, string publisher, int year) {
        this->title = title;
        this->author = author;
        this->publisher = publisher;
        this->year = year;
        this->available = true;
    }

    string getTitle() {
        return this->title;
    }

    string getAuthor() {
        return this->author;
    }

    string getPublisher() {
        return this->publisher;
    }

    int getYear() {
        return this->year;
    }

    bool isAvailable() {
        return this->available;
    }

    void setAvailable(bool available) {
        this->available = available;
    }

    void printDetails() {
        cout << "Title: " << this->title << endl;
        cout << "Author: " << this->author << endl;
        cout << "Publisher: " << this->publisher << endl;
        cout << "Year: " << this->year << endl;
        cout << "Available: " << (this->available ? "Yes" : "No") << endl;
    }
};

vector<Book> bookList;

void displayMenu() {
    cout << "===============================" << endl;
    cout << "Library Management System Menu" << endl;
    cout << "===============================" << endl;
    cout << "1. Add Book" << endl;
    cout << "2. Search Book" << endl;
    cout << "3. Display All Books" << endl;
    cout << "4. Borrow Book" << endl;
    cout << "5. Return Book" << endl;
    cout << "6. Exit" << endl;
    cout << "Enter your choice: ";
}

void addBook() {
    string title, author, publisher;
    int year;

    cout << "Enter title: ";
    cin.ignore();
    getline(cin, title);

    cout << "Enter author: ";
    getline(cin, author);

    cout << "Enter publisher: ";
    getline(cin, publisher);

    cout << "Enter year: ";
    cin >> year;

    Book newBook(title, author, publisher, year);
    bookList.push_back(newBook);
    cout << "Book added successfully." << endl;
}

void searchBook() {
    string title;
    bool found = false;

    cout << "Enter title to search: ";
    cin.ignore();
    getline(cin, title);

    for (int i = 0; i < bookList.size(); i++) {
        if (bookList[i].getTitle() == title) {
            bookList[i].printDetails();
            found = true;
            break;
        }
    }

    if (!found) {
        cout << "Book not found." << endl;
    }
}

void displayBooks() {
    if (bookList.empty()) {
        cout << "No books in the library." << endl;
        return;
    }

    for (int i = 0; i < bookList.size(); i++) {
        bookList[i].printDetails();
        cout << endl;
    }
}

void borrowBook() {
    string title;
    bool found = false;

    cout << "Enter title to borrow: ";
    cin.ignore();
    getline(cin, title);

    for (int i = 0; i < bookList.size(); i++) {
        if (bookList[i].getTitle() == title) {
            if (bookList[i].isAvailable()) {
                bookList[i].setAvailable(false);
            cout << "Book borrowed successfully." << endl;
        } else {
            cout << "Book is not available for borrowing." << endl;
            }
        found = true;
        break;
        }
    }

    if (!found) {
        cout << "Book not found." << endl;
    }
}

void returnBook() {
    string title;
    bool found = false;
    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}

    cout << "Enter title to return: ";
cin.ignore();
getline(cin, title);

for (int i = 0; i < bookList.size(); i++) {
    if (bookList[i].getTitle() == title) {
        if (!bookList[i].isAvailable()) {
            bookList[i].setAvailable(true);
            cout << "Book returned successfully." << endl;
        } else {
            cout << "This book is already available." << endl;
        }
        found = true;
        break;
    }
}

if (!found) {
    cout << "Book not found." << endl;
}


int main() {
    int choice;
    do {
    displayMenu();
    cin >> choice;

    switch (choice) {
        case 1:
            addBook();
            break;
        case 2:
            searchBook();
            break;
        case 3:
            displayBooks();
            break;
        case 4:
            borrowBook();
            break;
        case 5:
            returnBook();
            break;
        case 6:
            cout << "Exiting Library Management System..." << endl;
            break;
        default:
            cout << "Invalid choice. Try again." << endl;
    }

    cout << endl;
    } while (choice != 6);

return 0;
}

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