Python图书管理系统.rar

class Book: def __init__(self, title, author, isbn): self.title = title self.author = author self.isbn = isbn def __str__(self): return f"Title: {self.title}, Author: {self.author}, ISBN: {self.isbn}" class Library: def __init__(self): self.books = [] def add_book(self, book): self.books.append(book) print(f"Book '{book.title}' added successfully.") def remove_book(self, identifier): for book in self.books: if book.title == identifier or book.isbn == identifier: self.books.remove(book) print(f"Book '{book.title}' removed successfully.") return print("Book not found.") def search_book(self, identifier): for book in self.books: if book.title == identifier or book.author == identifier: print(book) return print("Book not found.") def list_books(self): for book in self.books: print(book) def main(): library = Library() while True: print("\nCommands: add, remove, search, list, exit") command = input("Enter a command: ").strip().lower() if command == 'add': title = input("Enter book title: ") author = input("Enter book author: ") isbn = input("Enter book ISBN: ") library.add_book(Book(title, author, isbn)) elif command == 'remove': identifier = input("Enter book title or ISBN to remove: ") library.remove_book(identifier) elif command == 'search': identifier = input("Enter book title or author to search: ") library.search_book(identifier) elif command == 'list': library.list_books() elif command == 'exit': break else: print("Invalid command.") if __name__ == "__main__": main()