最新基于jsp+mysql+mybatis+Spring boot简单学生成绩信息管理系统，linux技术支持面试题

这是一个简单的学生成绩管理系统的需求，以下是一个基于JSP、MySQL、MyBatis和Spring Boot的简单示例代码。

数据库设计（MySQL）:

CREATE TABLE `student` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(100) NOT NULL,
  `grade` int(3) DEFAULT NULL,
  PRIMARY KEY (`id`)
);
 
CREATE TABLE `score` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `student_id` int(11) NOT NULL,
  `subject` varchar(100) NOT NULL,
  `score` int(3) DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `fk_student_idx` (`student_id`),
  CONSTRAINT `fk_student` FOREIGN KEY (`student_id`) REFERENCES `student` (`id`)
);

实体类（Java）:

// Student.java
public class Student {
    private int id;
    private String name;
    private int grade;
    // getters and setters
}
 
// Score.java
public class Score {
    private int id;
    private int studentId;
    private String subject;
    private int score;
    // getters and setters
}

Mapper接口（MyBatis）:

// StudentMapper.java
public interface StudentMapper {
    Student selectStudentById(int id);
    int insertStudent(Student student);
    // ...
}
 
// ScoreMapper.java
public interface ScoreMapper {
    Score selectScoreById(int id);
    int insertScore(Score score);
    // ...
}

服务层（Spring Boot）:

@Service
public class StudentService {
    @Autowired
    private StudentMapper studentMapper;
    // 学生管理方法
    public Student addStudent(Student student) {
        // 业务逻辑
        return studentMapper.insertStudent(student);
    }
    // ...
}
 
@Service
public class ScoreService {
    @Autowired
    private ScoreMapper scoreMapper;
    // 成绩管理方法
    public Score addScore(Score score) {
        // 业务逻辑
        return scoreMapper.insertScore(score);
    }
    // ...
}

控制器（Spring Boot）:

@Controller
public class StudentController {
    @Autowired
    private StudentService studentService;
    // 添加学生
    @RequestMapping(value = "/addStudent", method = RequestMethod.POST)
    public String addStudent(@ModelAttribute Student student) {
        studentService.addStudent(student);
        return "