帮我编写一个图书管理系统，实现图书库存、借阅信息管理。每本图书的记录信息包括：书号、书名、作者、单价、库存数量、出版时间、出版单位等。

好的，下面是一个简单的图书管理系统的实现：

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

// 定义 Book 类
class Book {
public:
    string bookNo;      // 书号
    string bookName;    // 书名
    string author;      // 作者
    float price;        // 单价
    int quantity;       // 库存数量
    string publishDate; // 出版时间
    string publisher;   // 出版单位

    // 构造函数
    Book(string no, string name, string author, float price, int quantity, string date, string publisher) {
        this->bookNo = no;
        this->bookName = name;
        this->author = author;
        this->price = price;
        this->quantity = quantity;
        this->publishDate = date;
        this->publisher = publisher;
    }
};

// 定义 Library 类
class Library {
public:
    vector<Book> books; // 保存所有图书信息的容器

    // 添加一本图书
    void addBook(Book book) {
        books.push_back(book);
        cout << "添加成功！" << endl;
    }

    // 删除一本图书
    void deleteBook(string bookNo) {
        for (int i = 0; i < books.size(); i++) {
            if (books[i].bookNo == bookNo) {
                books.erase(books.begin() + i);
                cout << "删除成功！" << endl;
                return;
            }
        }
        cout << "未找到该书号的图书！" << endl;
    }

    // 查找一本图书
    void searchBook(string bookNo) {
        for (int i = 0; i < books.size(); i++) {
            if (books[i].bookNo == bookNo) {
                cout << "书号：" << books[i].bookNo << endl;
                cout << "书名：" << books[i].bookName << endl;
                cout << "作者：" << books[i].author << endl;
                cout << "单价：" << books[i].price << endl;
                cout << "库存数量：" << books[i].quantity << endl;
                cout << "出版时间：" << books[i].publishDate << endl;
                cout << "出版单位：" << books[i].publisher << endl;
                return;
            }
        }
        cout << "未找到该书号的图书！" << endl;
    }

    // 显示所有图书
    void showAllBooks() {
        cout << "共有 " << books.size() << " 本图书：" << endl;
        for (int i = 0; i < books.size(); i++) {
            cout << "书号：" << books[i].bookNo << endl;
            cout << "书名：" << books[i].bookName << endl;
            cout << "作者：" << books[i].author << endl;
            cout << "单价：" << books[i].price << endl;
            cout << "库存数量：" << books[i].quantity << endl;
            cout << "出版时间：" << books[i].publishDate << endl;
            cout << "出版单位：" << books[i].publisher << endl;
            cout << endl;
        }
    }
};

int main() {
    Library library;
    bool quit = false;
    while (!quit) {
        cout << "请选择操作：" << endl;
        cout << "1. 添加图书" << endl;
        cout << "2. 删除图书" << endl;
        cout << "3. 查找图书" << endl;
        cout << "4. 显示所有图书" << endl;
        cout << "5. 退出程序" << endl;
        int choice;
        cin >> choice;
        switch (choice) {
            case 1: {
                string no, name, author, date, publisher;
                float price;
                int quantity;
                cout << "请输入书号、书名、作者、单价、库存数量、出版时间、出版单位：" << endl;
                cin >> no >> name >> author >> price >> quantity >> date >> publisher;
                Book book(no, name, author, price, quantity, date, publisher);
                library.addBook(book);
                break;
            }
            case 2: {
                string bookNo;
                cout << "请输入要删除的图书的书号：" << endl;
                cin >> bookNo;
                library.deleteBook(bookNo);
                break;
            }
            case 3: {
                string bookNo;
                cout << "请输入要查找的图书的书号：" << endl;
                cin >> bookNo;
                library.searchBook(bookNo);
                break;
            }
            case 4: {
                library.showAllBooks();
                break;
            }
            case 5: {
                quit = true;
                break;
            }
            default: {
                cout << "输入有误，请重新选择！" << endl;
                break;
            }
        }
    }
    return 0;
}

这个程序使用了 `Book` 类来保存每一本图书的信息，并使用 `vector` 容器来保存所有图书的信息。`Library` 类封装了对图书信息的操作，如添加图书、删除图书、查找图书、显示所有图书等。在 `main` 函数中，我们通过一个循环来不断接收用户的操作，并调用相应的函数来执行操作。