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這篇文章主要講解了“Java怎么實現在線考試云平臺”,文中的講解內容簡單清晰,易于學習與理解,下面請大家跟著小編的思路慢慢深入,一起來研究和學習“Java怎么實現在線考試云平臺”吧!
用戶前臺注冊成為學生
管理員后臺添加老師,系統將該用戶角色上升為老師
老師登錄,添加考試,添加題目,發布考試
考生登錄前臺參加考試,交卷
老師后臺批改試卷,查看成績
考試查看成績
考生登錄前臺參加練習,練習完自動判分,記錄錯題
考生查看成績,查看錯題
@RestController @Api(tags = "User APIs") @RequestMapping("/user") public class UserController { @Autowired private UserService userService; @PostMapping("/register") @ApiOperation("注冊") ResultVO<User> register(@RequestBody RegisterDTO registerDTO) { ResultVO<User> resultVO; // 注冊信息的完善,還有唯一性校驗沒(用戶名、郵箱和手機號)已經在user表中通過unique來設置了 User user = userService.register(registerDTO); if (user != null) { // 注冊成功 resultVO = new ResultVO<>(ResultEnum.REGISTER_SUCCESS.getCode(), ResultEnum.REGISTER_SUCCESS.getMessage(), user); } else { resultVO = new ResultVO<>(ResultEnum.REGISTER_FAILED.getCode(), ResultEnum.REGISTER_FAILED.getMessage(), null); } return resultVO; } @PostMapping("/login") @ApiOperation("根據用戶名或郵箱登錄,登錄成功返回token") ResultVO<String> login(@RequestBody LoginQo loginQo) { // 這里不用手機號是因為手機號和用戶名難以進行格式區分,而用戶名和 // 用戶登錄 ResultVO<String> resultVO; String token = userService.login(loginQo); if (token != null) { // 登錄成功 resultVO = new ResultVO<>(ResultEnum.LOGIN_SUCCESS.getCode(), ResultEnum.LOGIN_SUCCESS.getMessage(), token); } else { // 登錄失敗 resultVO = new ResultVO<>(ResultEnum.LOGIN_FAILED.getCode(), ResultEnum.LOGIN_FAILED.getMessage(), null); } return resultVO; } @GetMapping("/user-info") @ApiOperation("獲取用戶信息") ResultVO<UserVo> getUserInfo(HttpServletRequest request) { String userId = (String) request.getAttribute("user_id"); UserVo userVo = userService.getUserInfo(userId); return new ResultVO<>(ResultEnum.GET_INFO_SUCCESS.getCode(), ResultEnum.GET_INFO_SUCCESS.getMessage(), userVo); } @GetMapping("/info") @ApiOperation("獲取用戶的詳細信息,包括個人信息頁面和操作權限") ResultVO<UserInfoVo> getInfo(HttpServletRequest request) { System.out.println("進入/user/info的獲取用戶信息的接口"); String userId = (String) request.getAttribute("user_id"); UserInfoVo userInfoVo = userService.getInfo(userId); return new ResultVO<>(ResultEnum.GET_INFO_SUCCESS.getCode(), ResultEnum.GET_INFO_SUCCESS.getMessage(), userInfoVo); } @GetMapping("/test") @ApiOperation("測試接口") String test(HttpServletRequest request) { // 下面這兩個屬性都是登錄攔截器從token中解析地,當用戶名不對或者token過期時是走不到接口內的 String userId = (String) request.getAttribute("user_id"); String username = (String) request.getAttribute("username"); System.out.println("用戶id:" + userId); System.out.println("用戶名:" + username); return "用戶id:" + userId + "\n用戶名:" + username; } }
@RestController @Api(tags = "Exam APIs") @RequestMapping("/exam") public class ExamController { @Autowired private ExamService examService; @GetMapping("/question/all") @ApiOperation("獲取所有問題的列表") ResultVO<List<QuestionVo>> getQuestionAll() { ResultVO<List<QuestionVo>> resultVO; try { List<QuestionVo> questionAll = examService.getQuestionAll(); resultVO = new ResultVO<>(0, "獲取全部問題列表成功", questionAll); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "獲取全部問題列表失敗", null); } return resultVO; } @PostMapping("/question/update") @ApiOperation("更新問題") ResultVO<QuestionVo> questionUpdate(@RequestBody QuestionVo questionVo) { // 完成問題的更新 System.out.println(questionVo); try { QuestionVo questionVoResult = examService.updateQuestion(questionVo); return new ResultVO<>(0, "更新問題成功", questionVoResult); } catch (Exception e) { e.printStackTrace(); return new ResultVO<>(-1, "更新問題失敗", null); } } @PostMapping("/question/create") @ApiOperation("創建問題") ResultVO<String> questionCreate(@RequestBody QuestionCreateSimplifyVo questionCreateSimplifyVo, HttpServletRequest request) { QuestionCreateVo questionCreateVo = new QuestionCreateVo(); // 把能拷貝過來的屬性都拷貝過來 BeanUtils.copyProperties(questionCreateSimplifyVo, questionCreateVo); // 設置創建者信息 String userId = (String) request.getAttribute("user_id"); questionCreateVo.setQuestionCreatorId(userId); System.out.println(questionCreateVo); try { examService.questionCreate(questionCreateVo); return new ResultVO<>(0, "問題創建成功", null); } catch (Exception e) { e.printStackTrace(); return new ResultVO<>(-1, "創建問題失敗", null); } } @GetMapping("/question/selection") @ApiOperation("獲取問題分類的相關選項") ResultVO<QuestionSelectionVo> getSelections() { QuestionSelectionVo questionSelectionVo = examService.getSelections(); if (questionSelectionVo != null) { return new ResultVO<>(0, "獲取問題分類選項成功", questionSelectionVo); } else { return new ResultVO<>(-1, "獲取問題分類選項失敗", null); } } @GetMapping("/question/detail/{id}") @ApiOperation("根據問題的id獲取問題的詳細信息") ResultVO<QuestionDetailVo> getQuestionDetail(@PathVariable String id) { // 根據問題id獲取問題的詳細信息 System.out.println(id); ResultVO<QuestionDetailVo> resultVO; try { QuestionDetailVo questionDetailVo = examService.getQuestionDetail(id); resultVO = new ResultVO<>(0, "獲取問題詳情成功", questionDetailVo); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "獲取問題詳情失敗", null); } return resultVO; } @GetMapping("/all") @ApiOperation("獲取全部考試的列表") ResultVO<List<ExamVo>> getExamAll() { // 需要拼接前端需要的考試列表對象 ResultVO<List<ExamVo>> resultVO; try { List<ExamVo> examVos = examService.getExamAll(); resultVO = new ResultVO<>(0, "獲取全部考試的列表成功", examVos); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "獲取全部考試的列表失敗", null); } return resultVO; } @GetMapping("/question/type/list") @ApiOperation("獲取問題列表,按照單選、多選和判斷題分類返回") ResultVO<ExamQuestionTypeVo> getExamQuestionTypeList() { // 獲取問題的分類列表 ResultVO<ExamQuestionTypeVo> resultVO; try { ExamQuestionTypeVo examQuestionTypeVo = examService.getExamQuestionType(); resultVO = new ResultVO<>(0, "獲取問題列表成功", examQuestionTypeVo); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "獲取問題列表失敗", null); } return resultVO; } @PostMapping("/create") @ApiOperation("創建考試") ResultVO<Exam> createExam(@RequestBody ExamCreateVo examCreateVo, HttpServletRequest request) { // 從前端傳參數過來,在這里完成考試的入庫 ResultVO<Exam> resultVO; String userId = (String) request.getAttribute("user_id"); try { Exam exam = examService.create(examCreateVo, userId); resultVO = new ResultVO<>(0, "創建考試成功", exam); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "創建考試失敗", null); } return resultVO; } @PostMapping("/update") @ApiOperation("更新考試") ResultVO<Exam> updateExam(@RequestBody ExamVo examVo, HttpServletRequest request) { // 從前端傳參數過來,在這里完成考試的入庫 ResultVO<Exam> resultVO; String userId = (String) request.getAttribute("user_id"); try { Exam exam = examService.update(examVo, userId); resultVO = new ResultVO<>(0, "更新考試成功", exam); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "更新考試失敗", null); } return resultVO; } @GetMapping("/card/list") @ApiOperation("獲取考試列表,適配前端卡片列表") ResultVO<List<ExamCardVo>> getExamCardList() { // 獲取考試列表卡片 ResultVO<List<ExamCardVo>> resultVO; try { List<ExamCardVo> examCardVoList = examService.getExamCardList(); resultVO = new ResultVO<>(0, "獲取考試列表卡片成功", examCardVoList); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "獲取考試列表卡片失敗", null); } return resultVO; } @GetMapping("/detail/{id}") @ApiOperation("根據考試的id,獲取考試詳情") ResultVO<ExamDetailVo> getExamDetail(@PathVariable String id) { // 根據id獲取考試詳情 ResultVO<ExamDetailVo> resultVO; try { ExamDetailVo examDetail = examService.getExamDetail(id); resultVO = new ResultVO<>(0, "獲取考試詳情成功", examDetail); } catch (Exception e) { resultVO = new ResultVO<>(-1, "獲取考試詳情失敗", null); } return resultVO; } @PostMapping("/finish/{examId}") @ApiOperation("根據用戶提交的答案對指定id的考試判分") ResultVO<ExamRecord> finishExam(@PathVariable String examId, @RequestBody HashMap<String, List<String>> answersMap, HttpServletRequest request) { ResultVO<ExamRecord> resultVO; try { // 攔截器里設置上的用戶id String userId = (String) request.getAttribute("user_id"); // 下面根據用戶提交的信息進行判分,返回用戶的得分情況 ExamRecord examRecord = examService.judge(userId, examId, answersMap); resultVO = new ResultVO<>(0, "考卷提交成功", examRecord); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "考卷提交失敗", null); } return resultVO; } @GetMapping("/record/list") @ApiOperation("獲取當前用戶的考試記錄") ResultVO<List<ExamRecordVo>> getExamRecordList(HttpServletRequest request) { ResultVO<List<ExamRecordVo>> resultVO; try { // 攔截器里設置上的用戶id String userId = (String) request.getAttribute("user_id"); // 下面根據用戶賬號拿到他(她所有的考試信息),注意要用VO封裝下 List<ExamRecordVo> examRecordVoList = examService.getExamRecordList(userId); resultVO = new ResultVO<>(0, "獲取考試記錄成功", examRecordVoList); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "獲取考試記錄失敗", null); } return resultVO; } @GetMapping("/record/detail/{recordId}") @ApiOperation("根據考試記錄id獲取考試記錄詳情") ResultVO<RecordDetailVo> getExamRecordDetail(@PathVariable String recordId) { ResultVO<RecordDetailVo> resultVO; try { RecordDetailVo recordDetailVo = examService.getRecordDetail(recordId); resultVO = new ResultVO<>(0, "獲取考試記錄詳情成功", recordDetailVo); } catch (Exception e) { e.printStackTrace(); resultVO = new ResultVO<>(-1, "獲取考試記錄詳情失敗", null); } return resultVO; } }
/*********************************************************** * @note : 文件上傳下載的接口,由于Swagger的問題導致在SwaggerUI * 里測試不成功,實際上前端是完全沒有問題的 * * 為了支持Ajax請求和響應,最簡單的解決方案返回一個ResponseEntity。 * * 以下示例演示了上傳文件的三種可能方式: * * 1. 單文件上傳 - `MultipartFile` * * 2. 多文件上傳 - `MultipartFile []` * * 3. 將文件上傳到模型 - `@ModelAttribute` @RestController @Api(tags = "Upload And Download APIs") @RequestMapping("/file") @Slf4j public class UploadDownloadController { // @Autowired // AITestConfig aiTestConfig; // // @PostMapping("/upload/single") // @ApiOperation("單文件上傳") // public String uploadFile(@RequestParam("file") MultipartFile uploadfile) { // return FileTransUtil.uploadFile(uploadfile, "/root/" + File.separator + uploadfile.getOriginalFilename()); // } @ApiOperation("單文件上傳,支持同時傳入參數") @PostMapping("/api/upload/singleAndparas") public String uploadFileSingle(@RequestParam("dir") String dir, @RequestParam("file") MultipartFile uploadfile) { return FileTransUtil.uploadFile(uploadfile, dir); } @ApiOperation("單文件上傳,支持同時傳入參數,Model") @PostMapping("/upload/single/model") public String singleUploadFileModel(@ModelAttribute("model") UploadModel2 model) { return FileTransUtil.uploadFile(model.getFile(), model.getDir()); } @ApiOperation("多文件上傳,支持同時傳入參數") @PostMapping("upload/multiAndparas") public String uploadFileMulti(@RequestParam("dir") String dir, @RequestParam("files") MultipartFile[] uploadfiles) { return FileTransUtil.uploadFiles(uploadfiles, dir); } @ApiOperation("多文件上傳,支持同時傳入參數") @PostMapping(value = "/upload/multi/model") public String multiUploadFileModel(@ModelAttribute(("model")) UploadModel model) { return FileTransUtil.uploadFiles(model.getFiles(), model.getDir()); } @ApiOperation("Get下載文件") @GetMapping(value = "/download/get") public ResponseEntity<InputStreamResource> downloadFileGet(@RequestParam String filePath) throws IOException { return FileTransUtil.downloadFile(filePath); } @ApiOperation("Post下載文件") @PostMapping(value = "/download/post") public ResponseEntity<InputStreamResource> downloadFilePost(@RequestBody DownloadQo downloadQo) throws IOException { return FileTransUtil.downloadFile(downloadQo.getPath()); } }
感謝各位的閱讀,以上就是“Java怎么實現在線考試云平臺”的內容了,經過本文的學習后,相信大家對Java怎么實現在線考試云平臺這一問題有了更深刻的體會,具體使用情況還需要大家實踐驗證。這里是億速云,小編將為大家推送更多相關知識點的文章,歡迎關注!
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