Java毕业设计实战之在线高中考试系统的实现

项目分为前台和后台，前台主要为学生角色、后台主要为管理员角色。

管理员添加试题和发布试卷，学生负责在线考试、在线查看成绩和错题记录列表等。

管理员功能有：年级管理、课程管理、试题管理、试卷管理、学生管理等。

运行环境：jdk1.8、mysql5.x、eclipse、tomcat8.5\7.0、maven3.5\3.6。

统一管理学生 教师 管理员信息：

/**
 * 统一管理学生 教师 管理员信息
 */
@RestController
public class UserController {

    @Resource(name = "userService")
    private IUserService userService;

    /**
     * 查询用户信息
     * 先判断用户类型 在查询用户信息
     */
    @RequestMapping(value = "/user/qryUserInfo", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    public Result<User> qryUserInfo() {
        return userService.qryUserInfo();
    }

    /**
     * 更新用户信息
     */
    @RequestMapping(value = "/user/update", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    public Result<User> update(HttpRequest request) {
        User user = new User();
        user.setUserId(request.getString("user_id"));
        user.setName(request.getString("name"));
        user.setSex(request.getInteger("sex"));
        user.setType(User.UserType.get(request.getInteger("type")));
        return userService.update(user, ImageUtil.stringToBytes(request.getString("user_image")));
    }

    /**
     * 更新用户密码
     */
    @RequestMapping(value = "/user/updatePwd", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    public Result<User> updatePwd(HttpRequest request) {
        return userService.updatePwd(request.getString("old_pwd"), request.getString("pwd"));
    }
}

管理员控制器：

/**
 * 管理员控制器
 */
@RestController
public class AdminController {

    @Resource(name = "adminService")
    private IAdminService adminService;

    /**
     * 管理员 查询管理员列表
     */
    @RequestMapping(value = "/admin/qryPage", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.admin})
    public ListResult<Admin> qryPage(HttpRequest request) {
        Map<String, Object> param = new HashMap<>();
        int pageNo = request.containsKey("page_no") ? request.getInteger("page_no") : 1;
        int pageSize = request.containsKey("page_size") ? request.getInteger("page_size") : 20;
        if (request.containsKey("login_name")) {
            param.put("login_name", request.getString("login_name"));
        }
        if (request.containsKey("name")) {
            param.put("name", request.getString("name"));
        }
        return adminService.qryPage(param, pageNo, pageSize);
    }

    /**
     * 管理员 添加管理员
     */
    @RequestMapping(value = "/admin/add", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.admin})
    public Result<Admin> insert(HttpRequest request) {
        Admin admin = new Admin();
        admin.setLoginName(request.getString("login_name"));
        admin.setName(request.getString("admin_name"));
        admin.setPwd(request.getString("login_name"));
        admin.setSex(request.getInteger("sex"));
        admin.setUpdateTime(new Date());
        return adminService.insert(admin, ImageUtil.stringToBytes(request.getString("admin_image")));
    }

    /**
     * 管理员 更新管理员
     */
    @RequestMapping(value = "/admin/update", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.admin})
    public Result<Admin> update(HttpRequest request) {
        Admin admin = new Admin();
        admin.setLoginName(request.getString("login_name"));
        admin.setName(request.getString("admin_name"));
        admin.setPwd(request.getString("login_name"));
        admin.setSex(request.getInteger("sex"));
        admin.setUpdateTime(new Date());
        return adminService.update(admin, ImageUtil.stringToBytes(request.getString("admin_image")));
    }

    /**
     * 管理员 删除管理员
     */
    @RequestMapping(value = "/admin/del", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.admin})
    public Result<Admin> del(HttpRequest request) {
        List<String> adminIdList = new ArrayList<>();
        JSONArray array = request.getJSONArray("admin_id_list");
        for (int i = 0; i < array.size(); i++) {
            adminIdList.add(array.getString(i));
        }
        return adminService.del(adminIdList);
    }
}

考试管理控制器：

/**
 * 考试管理控制器
 */
@RestController
public class ExamInfoController {

    @Resource(name = "examInfoService")
    private IExamInfoService examInfoService;

    /**
     * 教师 查询考试列表
     */
    @RequestMapping(value = "/examinfo/qryPage", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.teacher})
    public ListResult<ExamInfo> exam(HttpRequest request) {
        Map<String, Object> param = new HashMap<>();
        int pageNo = request.containsKey("page_no") ? request.getInteger("page_no") : 1;
        int pageSize = request.containsKey("page_size") ? request.getInteger("page_size") : 20;
        return examInfoService.qryPage(param, pageNo, pageSize);
    }

    /**
     * 教师 添加新的考试信息
     */
    @RequestMapping(value = "/examinfo/add", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.teacher})
    public Result<ExamInfo> insert(HttpRequest request) {
        ExamInfo exam = new ExamInfo();
        exam.setTestPaperId(request.getInteger("test_paper_id"));
        exam.setClassId(request.getString("class_id"));
        exam.setState(1);
        exam.setTime(request.getInteger("time"));
        exam.setEffTime(DateUtils.toDate(request.getString("eff_time"), DateConst.DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI));
        exam.setExpTime(DateUtils.toDate(request.getString("exp_time"), DateConst.DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI));
        exam.setUpdateTime(new Date());
        return examInfoService.insert(exam);
    }

    /**
     * 教师 更新考试信息
     */
    @RequestMapping(value = "/examinfo/update", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.teacher})
    public Result<ExamInfo> update(HttpRequest request) {
        ExamInfo exam = new ExamInfo();
        exam.setExamId(request.getInteger("exam_id"));
        exam.setTestPaperId(request.getInteger("test_paper_id"));
        exam.setClassId(request.getString("class_id"));
        exam.setState(1);
        exam.setTime(request.getInteger("time"));
        exam.setEffTime(DateUtils.toDate(request.getString("eff_time"), DateConst.DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI));
        exam.setExpTime(DateUtils.toDate(request.getString("exp_time"), DateConst.DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI));
        exam.setUpdateTime(new Date());
        exam.setUpdateTime(new Date());
        return examInfoService.update(exam);
    }

    /**
     * 教师 新建状态的考试信息可以删除
     */
    @RequestMapping(value = "/examinfo/del", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.teacher})
    public Result<ExamInfo> del(HttpRequest request) {
        List<Integer> examIdList = new ArrayList<>();
        JSONArray array = request.getJSONArray("exam_id_list");
        for (int i = 0; i < array.size(); i++) {
            examIdList.add(array.getInteger(i));
        }
        return examInfoService.del(examIdList);
    }

    /**
     * 教师 发布考试信息
     */
    @RequestMapping(value = "/examinfo/release", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.teacher})
    public Result<ExamInfo> updateState(HttpRequest request) {
        return examInfoService.release(request.getInteger("exam_id"));
    }

    /**
     * 学生 查询考试试题分组列表
     */
    @RequestMapping(value = "/examinfo/qryExamQueGroupList", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.student, RoleEnum.teacher})
    public Result<TestPaperQuestionGroup> qryExamQueGroupList(HttpRequest request) {
        return examInfoService.qryExamQueGroupList(request.getInteger("exam_id"));
    }

    /**
     * 学生 查询考试试题列表
     */
    @RequestMapping(value = "/examinfo/qryExamQuestionList", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.student})
    public Result<StudentExamQuestionRecord> qryExamQuestionList(HttpRequest request) {
        return examInfoService.qryExamQuestionList(request.getInteger("exam_id"), request.getString("student_id"), request.getInteger("question_group_id"));
    }

    /**
     * 教师 判卷查询试题列表
     */
    @RequestMapping(value = "/examinfo/qryMarkQueList", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.teacher})
    public Result<StudentExamQuestionRecord> qryMarkQueList(HttpRequest request) {
        return examInfoService.qryMarkQueList(request.getInteger("exam_id"), request.getString("student_id"), request.getInteger("question_group_id"));
    }

    /**
     * 教师 记录学生考试分数 complete
     */
    @RequestMapping(value = "/examinfo/updateQueScore", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.teacher})
    public Result<ExamInfo> updateQueScore(HttpRequest request) {
        StudentExamQuestionRecord record = new StudentExamQuestionRecord();
        record.setExamId(request.getInteger("exam_id"));
        record.setStudentId(request.getString("student_id"));
        record.setQuestionGroupId(request.getInteger("question_group_id"));
        record.setQuestionId(request.getLong("question_id"));
        record.setScore(request.getFloat("score"));
        record.setCorrect(request.getBoolean("correct"));
        return examInfoService.updateQueScore(record);
    }

    /**
     * 教师 完成评分
     */
    @RequestMapping(value = "/examinfo/complete", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    @RoleAnnotation(types = {RoleEnum.teacher})
    public Result<ExamInfo> complete(HttpRequest request) {
        return examInfoService.complete(request.getInteger("exam_id"),
                request.getString("student_id"));
    }

}

登录控制层：

@RestController
public class LoginController {

    @Resource(name = "loginService")
    private ILoginService loginService;

    /**
     * 用户登录调用 在登陆成功生成两个token 同时返回各自首页
     * * 学生 student/student
     * * 老师 teacher/teacher
     * * 管理员 admin/admin
     */
    @RequestMapping(value = "/login/login", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    public Result<Token> login(HttpRequest request) {
        return loginService.login(request.getString("login_name"), request.getString("pwd"));
    }

    /**
     * 登录检查
     */
    @RequestMapping(value = "/login/check", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    public Result<Token> check() {
        return new Result<>();
    }

    /**
     * token 续约
     */
    @RequestMapping(value = "/login/refresh", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    public Result<Token> refresh(HttpRequest request) {
        String refreshToken = request.getString("refresh_token");
        String urlId = request.getString("url_id");
        Token token = TokenCache.getInstance().get(urlId);
        if(token == null){
            ExceptionHelper.error(ErrorCode.ERROR_CODE_0003);
        }
        try {
            Claims claims = TokenUtils.parseToken(refreshToken);
            if (StringUtils.isNotEmpty((String.valueOf(claims.getOrDefault("student_id", ""))))) {
                claims.put("student_id", SessionContext.get("student_id"));
            }
            if (StringUtils.isNotEmpty((String.valueOf(claims.getOrDefault("teacher_id", ""))))) {
                claims.put("teacher_id", SessionContext.get("teacher_id"));
            }
            if (StringUtils.isNotEmpty((String.valueOf(claims.getOrDefault("login_name", ""))))) {
                claims.put("login_name", SessionContext.get("login_name"));
            }
            claims.put("name", claims.get("name"));
            token.setToken(TokenUtils.createToken(claims, TokenUtils.expireTime));
            token.setRefreshToken(TokenUtils.createToken(claims, TokenUtils.long_expireTime));
            TokenCache.getInstance().add(token);
        } catch (Exception e) {
            ExceptionHelper.error(ErrorCode.ERROR_CODE_0003);
        }
        return new Result<>(token);
    }

    /**
     * 退出系统
     */
    @RequestMapping(value = "/login/exit", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"})
    public Result<Token> exit(HttpRequest request) {
        String urlId = request.getString("url_id");
        if (StringUtils.isNotEmpty(urlId)) {
            TokenCache.getInstance().remove(urlId);
        }
        return new Result<>();
    }
}

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