hhhhhhhh/Reader.java

package jichuti1;

import java.time.LocalDate;
import java.util.ArrayList;
import java.util.List;

/**
 * 读者类，包含预约功能
 */
public class Reader {
    private String readerId;      // 读者ID
    private String name;          // 读者姓名
    private List<Reservation> reservations;  // 预约列表

    public Reader(String readerId, String name) {
        this.readerId = readerId;
        this.name = name;
        this.reservations = new ArrayList<>();
    }

    /**
     * 预约图书功能
     * @param book 要预约的图书
     * @param date 预约日期
     * @return 预约结果
     */
    public Reservation reserveBook(Book book, LocalDate date) {
        if (!book.isAvailable()) {
            Reservation reservation = new Reservation(
                "RES" + System.currentTimeMillis(),
                this,
                book,
                date
            );
            reservations.add(reservation);
            return reservation;
        }
        return null;
    }

    // 取消预约
    public void cancelReservation(Reservation reservation) {
        reservations.remove(reservation);
    }

    // getter
    public String getReaderId() { return readerId; }
    public String getName() { return name; }
}