springboot+vue3-学生信息管理系统

news2025/1/13 10:09:29

以下为学生信息管理的主要前端界面

项目仓库 CYHone/vue-student-ms: 学生信息管理系统前端界面 (github.com)

项目仓库 CYHone/student-ms-server: 学生信息管理系统后端代码 (github.com)

4.1、学生功能

登录界面可以以三种身份登录：学生、教师、管理员。

选择学生身份登录。

注册输入相关信息，输入邮箱，得到邮箱验证码。

主题后端代码

@RestController
//@CrossOrigin("*")
@RequestMapping("/student")
public class StudentController {
    @Autowired
    private StudentService studentService;
    @Autowired
    private EmailService emailService;
    @Autowired
    private StringRedisTemplate stringRedisTemplate;
    //@CrossOrigin(origins = "http://localhost:5173", allowCredentials = "true")
    @PostMapping("/registerCode")
    public Result sendRegisterCode(@RequestBody String encodedEmail){
        if (encodedEmail == null || encodedEmail.isEmpty()) {
            return Result.error("请输入邮箱！");
        }
        String email = URLDecoder.decode(encodedEmail, StandardCharsets.UTF_8);
        System.out.println("Decoded email: " + email);
        EmailDTO emailDTO = new EmailDTO();
        // 设置验证码
        String code = RandomUtil.getVerifyCode();
        System.out.println("验证码: " + code);
        String content = "验证码为 " + code + " ，五分钟有效，请妥善保管！";
        // 邮件内容
        emailDTO.setEmail(email);
        emailDTO.setTitle("学生信息管理系统——注册服务");
        emailDTO.setContent(content);
        // 查询用户
        Student student = studentService.findByEmail(email);
        if(student == null){
            //没被注册
            System.out.println("没被注册");
            System.out.println("准备向邮箱发送 " );
            try {
                emailService.sendMsg(emailDTO);
                // 往Redis中存储一个键值对
                ValueOperations<String, String> operations = stringRedisTemplate.opsForValue();
                operations.set(emailDTO.getEmail(), code, 300, TimeUnit.SECONDS);
                return Result.success();
            } catch (Exception e) {
                e.printStackTrace();
                return Result.error("邮件发送失败！");
            }
        }
        return Result.error("已被注册！");
    }
    @PostMapping("/register")
    public Result register(@RequestBody Student student) {
        System.out.println("正在验证学生注册：" + student);
        //还需要进行验证码判断
        ValueOperations<String, String> operations = stringRedisTemplate.opsForValue();
        student.setPassword((Md5Util.getMD5String(student.getPassword())));
        studentService.save(student);
        operations.getOperations().delete(student.getEmail());
        return Result.success("注册成功");
    }
    
    @PostMapping("/login")
    public ResponseEntity<Student> login(@RequestBody Student student) {
        System.out.println("正在验证学生登录：" + student);
        Student s = studentService.findByEmail(student.getEmail());
        System.out.println("查询到的学生：" + s);
        if (s == null || !Md5Util.checkPassword(student.getPassword(), s.getPassword())) {
            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(null);
         } else {
            System.out.println(s.getName() + "成功登录");
            return ResponseEntity.ok(s);
        }
    }
    @PostMapping("updateStudent")
    public boolean updateStudent(@RequestBody Student student) {

        System.out.println("更新 " + student);
        student.setPassword((Md5Util.getMD5String(student.getPassword())));
        System.out.println("更新加密 " + student);
        return studentService.updateById(student);
    }
}

图4.5 学生登录界面

图4.6 学生主页界面

学生选课功能以及分页查询

选课信息查询：学生能够查询自己已选课程的信息，包括课程名称、任课教师、上课时间和地点等。

课程成绩查询：学生可以查询自己的课程成绩，系统提供成绩的详细查询和报表下载功能，方便学生了解自己的学业情况和学习进度。

图4.7 学生选课界面

图4.8 学生退课界面

@RestController
@RequestMapping("/student")
public class CourseController {
    private final CourseService courseService;

    @Autowired
    public CourseController(CourseService courseService) {
        this.courseService = courseService;
    }

    @PostMapping("/courses")
    public Map<String, Object> getAllCourses(@RequestBody Map<String, Integer> paginationParams) {
        int offset = paginationParams.getOrDefault("offset", 0);
        int limit = paginationParams.getOrDefault("limit", 10); // 默认每页显示 10 条数据
        List<CourseDTO> courses = courseService.getAllCourses(offset, limit);
        int totalCount = courseService.getTotalCount(); // 获取总记录数
        Map<String, Object> result = new HashMap<>();
        result.put("courses", courses);
        result.put("totalCount", totalCount);
        return result;
    }

    @PostMapping("/searchCourse")
    public Map<String, Object> getCourses(@RequestBody Map<String, Object> requestData) {
        int offset = (int) requestData.getOrDefault("offset", 0);
        int limit = (int) requestData.getOrDefault("limit", 10);
        String keyword = (String) requestData.getOrDefault("keyword", "");
        String type = (String) requestData.getOrDefault("type", "courseName");

        List<CourseDTO> courses = courseService.getCourses(offset, limit, keyword, type);
        int totalCount = courseService.getCoursesCount(keyword, type);

        Map<String, Object> result = new HashMap<>();
        result.put("courses", courses);
        result.put("totalCount", totalCount);
        return result;
    }

    @PostMapping("/selectCourse")
    public boolean selectCourse(@RequestBody SelectCourseRequest request) {
        Integer courseID = request.getCourseID();
        System.out.println("课程号"+courseID);
        Integer studentID = request.getStudentID();
        System.out.println("学号"+studentID);
        return courseService.selectCourse(courseID, studentID);
    }

    @PostMapping("/myCourses")
    public List<CourseDTO> getAllMyCourses(@RequestBody Integer studentId) {
        System.out.println("学号" + studentId);
        return courseService.getAllMyCourses(studentId);
    }
    @PostMapping("/deleteCourses")
    public boolean deleteCourse(@RequestBody Integer  deleteCourseId ){
        System.out.println("删除课程ID" + deleteCourseId);
        return courseService.deleteCourse(deleteCourseId);
    }
    @PostMapping("/grade")
    public List<GradeDTO> getGrade(@RequestBody Integer studentId){
        System.out.println("学号" + studentId);
        return courseService.getGrade(studentId);
    }

}