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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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