62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
|
#ifndef BOOK_HPP
|
||
|
|
#define BOOK_HPP
|
||
|
|
|
||
|
|
#include <string>
|
||
|
|
#include <ostream>
|
||
|
|
|
||
|
|
/// @brief 表示一本图书的数据模型
|
||
|
|
class Book {
|
||
|
|
public:
|
||
|
|
/// @brief 默认构造函数
|
||
|
|
Book() = default;
|
||
|
|
|
||
|
|
/// @brief 构造一本完整的图书
|
||
|
|
/// @param title 书名
|
||
|
|
/// @param author 作者
|
||
|
|
/// @param isbn ISBN 编号
|
||
|
|
/// @param borrowed 是否已借出，默认 false
|
||
|
|
Book(std::string title,
|
||
|
|
std::string author,
|
||
|
|
std::string isbn,
|
||
|
|
bool borrowed = false);
|
||
|
|
|
||
|
|
/// @brief 获取书名
|
||
|
|
/// @return 书名常量引用
|
||
|
|
[[nodiscard]] const std::string& getTitle() const noexcept;
|
||
|
|
|
||
|
|
/// @brief 获取作者
|
||
|
|
/// @return 作者常量引用
|
||
|
|
[[nodiscard]] const std::string& getAuthor() const noexcept;
|
||
|
|
|
||
|
|
/// @brief 获取 ISBN
|
||
|
|
/// @return ISBN 常量引用
|
||
|
|
[[nodiscard]] const std::string& getIsbn() const noexcept;
|
||
|
|
|
||
|
|
/// @brief 判断是否已借出
|
||
|
|
/// @return true 表示已借出
|
||
|
|
[[nodiscard]] bool isBorrowed() const noexcept;
|
||
|
|
|
||
|
|
/// @brief 设置借出状态
|
||
|
|
/// @param borrowed true 表示已借出
|
||
|
|
void setBorrowed(bool borrowed) noexcept;
|
||
|
|
|
||
|
|
/// @brief 重载 ==，比较 ISBN 是否相同
|
||
|
|
/// @param rhs 另一本图书
|
||
|
|
/// @return true 当 ISBN 相同
|
||
|
|
bool operator==(const Book& rhs) const;
|
||
|
|
|
||
|
|
/// @brief 输出图书信息到流
|
||
|
|
/// @param os 输出流
|
||
|
|
/// @param b 图书对象
|
||
|
|
/// @return 输出流引用
|
||
|
|
friend std::ostream& operator<<(std::ostream& os, const Book& b);
|
||
|
|
|
||
|
|
private:
|
||
|
|
std::string title_;
|
||
|
|
std::string author_;
|
||
|
|
std::string isbn_;
|
||
|
|
bool borrowed_ = false;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // BOOK_HPP
|