目录项目简述项目运行项目技术效果图展示主要代码
项目简述
本系统功能包括：
支持单选题、多选题、判断题支持学生(student)、教师(teacher)、管理员(admin)三种角色学生：参加考试和查看我的考试教师：学生的所有权限+创建/编辑题目+创建/编辑考试管理员：教师的所有权限+管理用户。
项目运行
环境配置：
Jdk1.8 + Tomcat8.5 + Mysql + HBuilderX（Webstorm也行）+ Eclispe（IntelliJ IDEA,Eclispe,MyEclispe,Sts都支持）。
项目技术
Springboot + Maven + Jpa+ Vue 等等组成，B/S模式 + Maven管理等等。
效果图展示
主要代码
登录控制层：
@RestControllerpublic 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<>(); }}
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 */@RestControllerpublic 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")); }}
学生管理控制器：
/** * 学生控制器 */@RestControllerpublic class StudentController { @Resource(name = "studentService") private IStudentService studentService; /** * 管理员 查询学生列表 */ @RequestMapping(value = "/student/qryPage", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"}) @RoleAnnotation(types = {RoleEnum.admin}) public ListResult<Student> 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("student_id")) { param.put("student_id", request.getString("student_id")); } if (request.containsKey("name")) { param.put("name", request.getString("name")); } return studentService.qryPage(param, pageNo, pageSize); } @RequestMapping(value = "/student/add", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"}) @RoleAnnotation(types = {RoleEnum.admin}) public Result<Student> insert(HttpRequest request) { Student student = new Student(); student.setStudentId(request.getString("student_id")); student.setName(request.getString("student_name")); student.setPwd(request.getString("student_id")); student.setSex(request.getInteger("sex")); student.setClassId(request.getString("class_id")); student.setUpdateTime(new Date()); return studentService.insert(student, ImageUtil.stringToBytes(request.getString("student_image"))); } @RequestMapping(value = "/student/update", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"}) @RoleAnnotation(types = {RoleEnum.admin}) public Result<Student> update(HttpRequest request) { Student student = new Student(); student.setStudentId(request.getString("student_id")); student.setName(request.getString("student_name")); student.setPwd(request.getString("student_id")); student.setSex(request.getInteger("sex")); student.setClassId(request.getString("class_id")); student.setUpdateTime(new Date()); return studentService.update(student, ImageUtil.stringToBytes(request.getString("student_image"))); } @RequestMapping(value = "/student/del", method = RequestMethod.POST, produces = {"application/json;charset=UTF-8"}) @RoleAnnotation(types = {RoleEnum.admin}) public Result<Student> del(HttpRequest request) { List<String> studentIdList = new ArrayList<>(); JSONArray array = request.getJSONArray("student_id_list"); for (int i = 0; i < array.size(); i++) { studentIdList.add(array.getString(i)); } return studentService.del(studentIdList); } }
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