Java如何编写一个简易的图书管理系统代码？

class Book { private String isbn; private String title; private String author; private boolean borrowed; <pre class='brush:java;toolbar:false;'>public Book(String isbn, String title, String author) { this.isbn = isbn; this.title = title; this.author = author; this.borrowed = false; } public String getIsbn() { return isbn; } public String getTitle() { return title; } public String getAuthor() { return author; } public boolean isBorrowed() { return borrowed; } public void setBorrowed(boolean borrowed) { this.borrowed = borrowed; } <strong>@Override</strong> public String toString() { return "ISBN: " + isbn + ", 书名: " + title + ", 作者: " + author + ", 状态: " + (borrowed ? "已借出" : "可借阅"); }

}

立即学习“Java免费学习笔记（深入）”；

import java.util.ArrayList; import java.util.Scanner; <p>public class Library { private ArrayList<Book> books = new ArrayList<>(); private Scanner scanner = new Scanner(System.in);</p><pre class='brush:java;toolbar:false;'>// 添加图书 public void addBook() { System.out.print("输入ISBN: "); String isbn = scanner.nextLine(); System.out.print("输入书名: "); String title = scanner.nextLine(); System.out.print("输入作者: "); String author = scanner.nextLine(); books.add(new Book(isbn, title, author)); System.out.println("图书添加成功！"); } // 根据ISBN或书名查找图书 public Book findBook(String keyword) { for (Book book : books) { if (book.getIsbn().equals(keyword) || book.getTitle().contains(keyword)) { return book; } } return null; } // 显示所有图书 public void listBooks() { if (books.isEmpty()) { System.out.println("暂无图书记录。"); return; } for (Book book : books) { System.out.println(book); } } // 借阅图书 public void borrowBook() { System.out.print("输入要借阅的图书ISBN或书名: "); String keyword = scanner.nextLine(); Book book = findBook(keyword); if (book != null) { if (!book.isBorrowed()) { book.setBorrowed(true); System.out.println("借阅成功：" + book.getTitle()); } else { System.out.println("该书已被借出。"); } } else { System.out.println("未找到该图书。"); } } // 归还图书 public void returnBook() { System.out.print("输入要归还的图书ISBN: "); String isbn = scanner.nextLine(); Book book = findBook(isbn); if (book != null && book.isBorrowed()) { book.setBorrowed(false); System.out.println("归还成功：" + book.getTitle()); } else { System.out.println("该书无需归还或未找到。"); } } // 删除图书 public void removeBook() { System.out.print("输入要删除的图书ISBN: "); String isbn = scanner.nextLine(); Book book = findBook(isbn); if (book != null) { books.remove(book); System.out.println("删除成功：" + book.getTitle()); } else { System.out.println("未找到该图书。"); } } // 主菜单 public void showMenu() { while (true) { System.out.println("\n--- 图书管理系统 ---"); System.out.println("1. 添加图书"); System.out.println("2. 查看所有图书"); System.out.println("3. 借阅图书"); System.out.println("4. 归还图书"); System.out.println("5. 删除图书"); System.out.println("6. 退出"); System.out.print("请选择操作: "); String choice = scanner.nextLine(); switch (choice) { case "1": addBook(); break; case "2": listBooks(); break; case "3": borrowBook(); break; case "4": returnBook(); break; case "5": removeBook(); break; case "6": System.out.println("退出系统。"); return; default: System.out.println("无效选择，请重试。"); } } }

}

立即学习“Java免费学习笔记（深入）”；