Java实现学校排课程序_面向对象结构化项目示例

public class Teacher {
    private String name;
    private List<String> taughtCourses;

    public Teacher(String name) {
        this.name = name;
        this.taughtCourses = new ArrayList<>();
    }

    public void addCourse(String courseName) {
        taughtCourses.add(courseName);
    }

    // getter 方法
    public String getName() { return name; }
    public List<String> getTaughtCourses() { return taughtCourses; }
}

public class Course {
    private String name;
    private int periodsPerWeek; // 每周课时

    public Course(String name, int periodsPerWeek) {
        this.name = name;
        this.periodsPerWeek = periodsPerWeek;
    }

    // getter 方法
    public String getName() { return name; }
    public int getPeriodsPerWeek() { return periodsPerWeek; }
}

public class ClassRoom {
    private String className;

    public ClassRoom(String className) {
        this.className = className;
    }

    public String getClassName() { return className; }
}

public class Room {
    private String roomId;
    private int capacity;

    public Room(String roomId, int capacity) {
        this.roomId = roomId;
        this.capacity = capacity;
    }

    public String getRoomId() { return roomId; }
    public int getCapacity() { return capacity; }
}

public class TimeSlot {
    private String day;   // 如 "Monday"
    private int period;   // 第几节课

    public TimeSlot(String day, int period) {
        this.day = day;
        this.period = period;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof TimeSlot)) return false;
        TimeSlot timeSlot = (TimeSlot) o;
        return period == timeSlot.period && day.equals(timeSlot.day);
    }

    @Override
    public int hashCode() {
        return Objects.hash(day, period);
    }

    public String toString() {
        return day + " 第" + period + "节";
    }
}

public class ScheduleEntry {
    private ClassRoom classroom;
    private Course course;
    private Teacher teacher;
    private Room room;
    private TimeSlot timeSlot;

    public ScheduleEntry(ClassRoom classroom, Course course, Teacher teacher, Room room, TimeSlot timeSlot) {
        this.classroom = classroom;
        this.course = course;
        this.teacher = teacher;
        this.room = room;
        this.timeSlot = timeSlot;
    }

    public TimeSlot getTimeSlot() { return timeSlot; }
    public Teacher getTeacher() { return teacher; }
    public ClassRoom getClassroom() { return classroom; }
    public Course getCourse() { return course; }
    public Room getRoom() { return room; }

    @Override
    public String toString() {
        return classroom.getClassName() + " 在 " + timeSlot +
               " 上 " + course.getName() + "（" + teacher.getName() +
               " 教，教室：" + room.getRoomId() + "）";
    }
}

public class Scheduler {
    private List<ScheduleEntry> schedule;
    private Set<TimeSlot> occupiedSlots; // 全局时间占用检查

    public Scheduler() {
        this.schedule = new ArrayList<>();
        this.occupiedSlots = new HashSet<>();
    }

    public boolean assignClass(
            ClassRoom classroom,
            Course course,
            Teacher teacher,
            Room room,
            TimeSlot timeSlot) {

        // 检查教师是否能教这门课
        if (!teacher.getTaughtCourses().contains(course.getName())) {
            System.out.println("教师 " + teacher.getName() + " 不能教 " + course.getName());
            return false;
        }

        // 检查时间是否已被占用
        if (occupiedSlots.contains(timeSlot)) {
            System.out.println("时间冲突：" + timeSlot + " 已被占用");
            return false;
        }

        // 创建排课条目
        ScheduleEntry entry = new ScheduleEntry(classroom, course, teacher, room, timeSlot);
        schedule.add(entry);
        occupiedSlots.add(timeSlot);

        System.out.println("排课成功：" + entry);
        return true;
    }

    public void printSchedule() {
        System.out.println("\n=== 当前课表 ===");
        for (ScheduleEntry entry : schedule) {
            System.out.println(entry);
        }
    }
}

public class Main {
    public static void main(String[] args) {
        // 创建教师
        Teacher t1 = new Teacher("张老师");
        t1.addCourse("数学");

        Teacher t2 = new Teacher("李老师");
        t2.addCourse("英语");

        // 创建课程
        Course math = new Course("数学", 5);
        Course english = new Course("英语", 4);

        // 创建班级
        ClassRoom c1 = new ClassRoom("高一(1)班");

        // 创建教室
        Room r101 = new Room("R101", 50);

        // 创建排课器
        Scheduler scheduler = new Scheduler();

        // 安排课程
        TimeSlot slot1 = new TimeSlot("Monday", 1);
        TimeSlot slot2 = new TimeSlot("Monday", 2);

        scheduler.assignClass(c1, math, t1, r101, slot1);
        scheduler.assignClass(c1, english, t2, r101, slot2);

        // 尝试重复时间（应失败）
        scheduler.assignClass(c1, math, t1, r101, slot1);

        // 输出结果
        scheduler.printSchedule();
    }
}