图书管理编程怎么写

时间:2025-03-02 15:11:56 明星趣事

图书管理编程涉及多个方面,包括设计类、实现方法、处理用户输入和输出等。下面是一个简单的图书管理系统的编程示例,使用Python语言实现。

1. 设计类

首先,我们需要定义两个类:`Book` 和 `Library`。

```python

class Book:

def __init__(self, book_id, title, author, isbn):

self.book_id = book_id

self.title = title

self.author = author

self.isbn = isbn

self.is_borrowed = False

def borrow(self):

if not self.is_borrowed:

self.is_borrowed = True

return True

return False

def return_book(self):

if self.is_borrowed:

self.is_borrowed = False

```

2. 用户界面

接下来,我们需要一个简单的用户界面来与用户交互。

```python

class Library:

def __init__(self):

self.books = {}

def add_book(self, book_id, title, author, isbn):

if book_id in self.books:

return False

self.books[book_id] = Book(book_id, title, author, isbn)

return True

def borrow_book(self, book_id):

if book_id not in self.books:

return "图书不存在"

if self.books[book_id].borrow():

return f"图书 {self.books[book_id].title} 已借出"

return f"图书 {self.books[book_id].title} 未借出"

def return_book(self, book_id):

if book_id not in self.books:

return "图书不存在"

if self.books[book_id].return_book():

return f"图书 {self.books[book_id].title} 已归还"

return f"图书 {self.books[book_id].title} 未归还"

def list_books(self):

for book_id, book in self.books.items():

status = "借出" if book.is_borrowed else "未借出"

print(f"ID: {book_id}, 书名: {book.title}, 作者: {book.author}, 状态: {status}")

```

3.