Java项目:(前端vue后台java微服务)在线考试系统(java+vue+springboot+mysql+maven)

源码获取：博客首页 "资源" 里下载！

考试流程：

1. 用户前台注册成为学生

2. 管理员后台添加老师，系统将该用户角色上升为老师

3. 老师登录，添加考试,添加题目，发布考试

4. 考生登录前台参加考试，交卷

5. 老师后台批改试卷，查看成绩

6. 考试查看成绩

练习流程：

1. 考生登录前台参加练习，练习完自动判分，记录错题

2. 考生查看成绩，查看错题

角色控制层：

/*** 角色控制层*/
@RestController
@RequestMapping("/v1/authorities")
public class AuthorityController {private static Logger logger = LoggerFactory.getLogger(AuthorityController.class);@AutowiredAuthorityService authorityService;@ApiOperation(value = "获取权限列表", notes = "")@RequestMapping(value = "", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public List<Authority> getAuthorityList() {return authorityService.getAuthorityList();}@ApiOperation(value = "获取权限树列表", notes = "")@RequestMapping(value = "/tree/{id}", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public List<DtoAuthority> getAuthorityTreeList(@PathVariable String id) {return authorityService.getAuthorityTreeList(id);}@ApiOperation(value = "新增权限", notes = "新增权限")@ApiImplicitParam(name = "authority", value = "权限实体authority", required = true, dataType = "Authority")@RequestMapping(value = "", method = RequestMethod.POST)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public ResponseEntity<?> postAuthority(@RequestBody Authority authority) {authorityService.saveAuthority(authority);return new ResponseEntity(HttpStatus.CREATED);}@ApiOperation(value = "获取权限信息", notes = "根据权限id获取权限详细信息")@ApiImplicitParam(name = "id", value = "权限ID", required = true, dataType = "String", paramType = "path")@RequestMapping(value = "/{id}", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public Authority getAuthority(@PathVariable String id) {return authorityService.getAuthority(id);}@ApiOperation(value = "更新权限信息", notes = "根据权限id更新权限信息")@ApiImplicitParams({@ApiImplicitParam(name = "id", value = "权限ID", required = true, dataType = "String", paramType = "path"),@ApiImplicitParam(name = "authority", value = "权限实体", required = true, dataType = "Authority")})@RequestMapping(value = "/{id}", method = RequestMethod.PUT)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public ResponseEntity<?> putAuthority(@PathVariable String id, @RequestBody Authority authority) {authorityService.updateAuthority(authority);return new ResponseEntity(HttpStatus.OK);}@ApiOperation(value = "删除权限", notes = "根据权限id删除用户")@ApiImplicitParam(name = "id", value = "权限ID", required = true, dataType = "String", paramType = "path")@RequestMapping(value = "/{id}", method = RequestMethod.DELETE)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public ResponseEntity<?> deleteAuthority(@PathVariable String id) {authorityService.deleteAuthority(id);return new ResponseEntity(HttpStatus.OK);}
}

联系人控制层：

/*** 联系人控制层*/
@RestController
@RequestMapping("/v1/contacts")
public class ContactController {private static Logger logger = LoggerFactory.getLogger(ContactController.class);@AutowiredContactService contactService;@RequestMapping(value = "", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public PageInfo<Grade> getContactList(@RequestParam(required = false) Integer pageIndex,@RequestParam(required = false) Integer pageSize,@RequestParam(required = false) Integer limit,@RequestParam(required = false) Integer offset) {if(pageIndex != null && pageSize != null) {PageHelper.startPage(pageIndex, pageSize);}List<Contact> contacts = contactService.getContactList();PageInfo pageInfo = new PageInfo(contacts);return pageInfo;}@RequestMapping(value = "/{id}", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public Contact getContact(@PathVariable Long id) {return contactService.getContactById(id);}@RequestMapping(value = "/user/{username}", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public Contact getContact(@PathVariable String username) {return contactService.getContactByUsername(username);}@RequestMapping(value = "/users/{username}", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public List<Contact> getContactList(@PathVariable String username) {return contactService.getContactListByUsername(username);}@RequestMapping(value = "/status", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public int getContactCount(@RequestParam String status) {return contactService.getContactCountByStatus(status);}@RequestMapping(value = "", method = RequestMethod.POST)public ResponseEntity<?> postContact(@RequestBody Contact contact) {contactService.saveContact(contact);return new ResponseEntity(HttpStatus.CREATED);}@RequestMapping(value = "", method = RequestMethod.PUT)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public ResponseEntity<?> putContact(@RequestBody Contact contact) {contactService.updateContact(contact);return new ResponseEntity(HttpStatus.OK);}@RequestMapping(value = "/{id}", method = RequestMethod.DELETE)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public ResponseEntity<?> deleteContact(@PathVariable Long id) {Contact contact = new Contact();contact.setId(id);contactService.deleteContact(contact);return new ResponseEntity(HttpStatus.OK);}
}

用户控制层：

/*** 用户控制层*/
@RestController
@RequestMapping(value = "/v1/users")
public class UserController {private static Logger logger = LoggerFactory.getLogger(UserController.class);@Value("${my.localFilepath}")private String localFilepath;@Value("${my.fileServer}")private String fileServer;@AutowiredUserService userService;@ApiOperation(value = "获取用户列表", notes = "")@RequestMapping(value = "", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public PageInfo<MapperUser> getUserList(@RequestParam(required = false) Integer pageIndex,@RequestParam(required = false) Integer pageSize,@RequestParam(required = false) Integer limit,@RequestParam(required = false) Integer offset) {if(pageIndex != null && pageSize != null) {PageHelper.startPage(pageIndex, pageSize);}List<MapperUser> mapperUsers = userService.getUserList();PageInfo pageInfo = new PageInfo(mapperUsers);return pageInfo;}@ApiOperation(value = "创建用户", notes = "创建用户")@ApiImplicitParam(name = "user", value = "用户实体user", required = true, dataType = "MapperUser")@RequestMapping(value = "", method = RequestMethod.POST)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public ResponseEntity<?> postUser(@RequestBody MapperUser user) {userService.saveUser(user);return new ResponseEntity(HttpStatus.CREATED);}@ApiOperation(value = "获取用户信息", notes = "根据用户id获取用户详细信息")@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "String", paramType = "path")@RequestMapping(value = "/id", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public MapperUser getUserById(@RequestParam String id) {return userService.getUserById(id);}@ApiOperation(value = "获取用户信息", notes = "根据用户name获取用户详细信息")@ApiImplicitParam(name = "name", value = "用户name", required = true, dataType = "String", paramType = "path")@RequestMapping(value = "/name", method = RequestMethod.GET)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public List<MapperUser> getUserFuzzyByName(@RequestParam String name) {//模糊查询return userService.getUserFuzzy(name);}@ApiOperation(value = "更新用户信息", notes = "根据用户id更新用户信息")@ApiImplicitParams({@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "String", paramType = "path"),@ApiImplicitParam(name = "user", value = "用户实体", required = true, dataType = "MapperUser")})@RequestMapping(value = "/id", method = RequestMethod.PUT)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public ResponseEntity<?> putUser(@RequestBody MapperUser user) {userService.updateUser(user);return new ResponseEntity(HttpStatus.OK);}@ApiOperation(value = "删除用户", notes = "根据用户id删除用户")@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "String", paramType = "path")@RequestMapping(value = "/id", method = RequestMethod.DELETE)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "')")public ResponseEntity<?> deleteUser(@RequestParam String id) {userService.deleteUser(id);return new ResponseEntity(HttpStatus.OK);}@ApiOperation(value = "获取用户信息", notes = "根据用户名获取用户详细信息")@RequestMapping(value = "/me", method = RequestMethod.GET)public MapperUser getUser(Principal principal) {MapperUser user = null;if(principal != null) {user = userService.getUserByName(principal.getName());}return user;}@ApiOperation(value = "注册", notes = "用户注册")@ApiImplicitParam(name = "dtoUser", value = "用户实体", required = true, dataType = "DtoUser")@RequestMapping(value = "/register", method = RequestMethod.POST)public ResponseEntity<?> registry(@RequestBody DtoUser dtoUser) {BCryptPasswordEncoder bc=new BCryptPasswordEncoder(4);//将密码加密dtoUser.setPassword(bc.encode(dtoUser.getPassword()));userService.registry(dtoUser);return new ResponseEntity(HttpStatus.OK);}/*** 注册时验证用户名是否存在* true:用户名已存在* false:用户名不存在，可以使用此用户名注册* @param username* @return*/@ApiOperation(value = "注册时验证用户名是否存在", notes = "注册时验证用户名是否存在")@RequestMapping(value = "/register/name", method = RequestMethod.GET)public boolean getUserByName(@RequestParam String username) {if(userService.getUserByName(username) == null) {return true;}else {return false;}}@ApiOperation(value = "修改密码", notes = "修改密码")@ApiImplicitParam(name = "dtoUser", value = "用户", required = true, dataType = "DtoUser")@RequestMapping(value = "/password", method = RequestMethod.POST)@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "') or hasAuthority('" + Role.ROLE_STUDENT + "')")public ResponseEntity<?> changePassword(@RequestBody DtoUser dtoUser, Principal principal) {String username = dtoUser.getUsername();if(username == null) {username = principal.getName();}MapperUser user = userService.getUserByName(username);if(user == null) {logger.error("修改密码->用户名不存在！");return  new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR);}BCryptPasswordEncoder bc=new BCryptPasswordEncoder(4);//判断旧密码是否匹配if(bc.matches(dtoUser.getOldPwd(),user.getPassword())) {//更新密码user.setPassword(bc.encode(dtoUser.getNewPwd()));userService.updateUser(user);}else {return new ResponseEntity<Object>(HttpStatus.INTERNAL_SERVER_ERROR);}return new ResponseEntity(HttpStatus.OK);}@RequestMapping(value = "/avatar", method = RequestMethod.POST)@ResponseBody@PreAuthorize("hasAuthority('" + Role.ROLE_TEACHER + "') or hasAuthority('" + Role.ROLE_ADMIN + "') or hasAuthority('" + Role.ROLE_STUDENT + "')")public ResponseEntity<?>  uploadImg(HttpServletRequest request, Principal principal) {//获取当前用户信息MapperUser user = null;if(principal != null) {user = userService.getUserByName(principal.getName());}//解析器解析request的上下文CommonsMultipartResolver multipartResolver =new CommonsMultipartResolver(request.getSession().getServletContext());//先判断request中是否包涵multipart类型的数据，if(multipartResolver.isMultipart(request)){//再将request中的数据转化成multipart类型的数据MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;Iterator iter = multiRequest.getFileNames();while(iter.hasNext()){//这里的name为fileItem的alias属性值，相当于form表单中nameString name=(String)iter.next();//根据name值拿取文件MultipartFile file = multiRequest.getFile(name);if(file != null){String[] names = file.getOriginalFilename().split("\\.");String fileName = user.getUsername() + "." + names[1];File localFile = new File(localFilepath + fileName);if(!localFile.getParentFile().exists()) {//如果目标文件所在的目录不存在，则创建父目录localFile.getParentFile().mkdirs();}//写文件到本地try {file.transferTo(localFile);//更新用户信息user.setAvatar(fileServer + fileName);userService.updateUser(user);} catch (IOException e) {e.printStackTrace();return new ResponseEntity<Object>(HttpStatus.EXPECTATION_FAILED);}}}}else {return new ResponseEntity<Object>(HttpStatus.EXPECTATION_FAILED);}return new ResponseEntity<Object>(HttpStatus.OK);}
}

 源码获取：博客首页 "资源" 里下载！