Java畢業(yè)設計實戰(zhàn)之在線高中考試系統的實現
項目分為前臺和后臺,前臺主要為學生角色、后臺主要為管理員角色。
管理員添加試題和發(fā)布試卷,學生負責在線考試、在線查看成績和錯題記錄列表等。
管理員功能有:年級管理、課程管理、試題管理、試卷管理、學生管理等。
運行環(huán)境:jdk1.8、mysql5.x、eclipse、tomcat8.5\7.0、maven3.5\3.6。
統一管理學生 教師 管理員信息:
/** * 統一管理學生 教師 管理員信息 */ @RestController public class UserController { @Resource(name = "userService") private IUserService userService; /** * 查詢用戶信息 * 先判斷用戶類型 在查詢用戶信息 */ @RequestMapping(value = "/user/qryUserInfo", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"}) public Result<User> qryUserInfo() { return userService.qryUserInfo(); } /** * 更新用戶信息 */ @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"))); } /** * 更新用戶密碼 */ @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")); } }
管理員控制器:
/** * 管理員控制器 */ @RestController public class AdminController { @Resource(name = "adminService") private IAdminService adminService; /** * 管理員 查詢管理員列表 */ @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); } /** * 管理員 添加管理員 */ @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"))); } /** * 管理員 更新管理員 */ @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"))); } /** * 管理員 刪除管理員 */ @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); } }
考試管理控制器:
/** * 考試管理控制器 */ @RestController public class ExamInfoController { @Resource(name = "examInfoService") private IExamInfoService examInfoService; /** * 教師 查詢考試列表 */ @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); } /** * 教師 添加新的考試信息 */ @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); } /** * 教師 更新考試信息 */ @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); } /** * 教師 新建狀態(tài)的考試信息可以刪除 */ @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); } /** * 教師 發(fā)布考試信息 */ @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")); } /** * 學生 查詢考試試題分組列表 */ @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")); } /** * 學生 查詢考試試題列表 */ @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")); } /** * 教師 判卷查詢試題列表 */ @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")); } /** * 教師 記錄學生考試分數 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); } /** * 教師 完成評分 */ @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")); } }
登錄控制層:
@RestController public class LoginController { @Resource(name = "loginService") private ILoginService loginService; /** * 用戶登錄調用 在登陸成功生成兩個token 同時返回各自首頁 * * 學生 student/student * * 老師 teacher/teacher * * 管理員 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")); } /** * 登錄檢查 */ @RequestMapping(value = "/login/check", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"}) public Result<Token> check() { return new Result<>(); } /** * token 續(xù)約 */ @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); } /** * 退出系統 */ @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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