hhhhhhhh/BorrowHistory.java

package jinjieti1;

import java.io.Reader;
import java.time.LocalDate;

import jichuti1.Book;

/**
 * 图书借阅历史类
 */
public class BorrowHistory {
    private String historyId;       // 历史记录ID
    private jichuti1.Reader reader;          // 借阅人
    private Book book;              // 借阅的图书
    private LocalDate borrowDate;   // 借出日期
    private LocalDate returnDate;   // 归还日期

    public BorrowHistory(String historyId, jichuti1.Reader reader2, Book book, LocalDate borrowDate) {
        this.historyId = historyId;
        this.reader = reader2;
        this.book = book;
        this.borrowDate = borrowDate;
    }

    // 记录归还日期
    public void returnBook(LocalDate returnDate) {
        this.returnDate = returnDate;
    }

    // getter
    public String getHistoryId() { return historyId; }
    public String getBookTitle() { return book.getTitle(); }
}