文章目录
- 一、项目演示
- 二、项目介绍
- 三、运行截图
- 四、主要代码
- 1.查询课程表代码
- 2.保存学生信息代码
- 3.用户登录代码
一、项目演示
项目演示地址： 视频地址
二、项目介绍
项目描述：这是一个基于SpringBoot+Electron框架开发的教务管理系统。首先，这是一个前后端分离的项目，前端采用Vue+Electron框架，支持以Web界面访问，也支持以桌面应用的形式访问。然后这项目代码简洁规范，注释说明详细，易于理解和学习。其次，这项目功能丰富，具有一个教务管理系统该有的所有功能。
项目功能：此项目分为三个角色：学生、老师和管理员。学生有管理个人信息、查看所有学期信息、查看个人课程和上课信息、查看个人成绩信息、查看公告信息和查看并支付个人缴费信息等等功能。老师有查看所有学生、老师和管理员信息、查看所有学院、专业和班级信息、查看所有学期信息、查看所有课程信息和查询上课信息、管理自己课程的成绩信息、查看公告信息和管理个人信息等等功能。管理员有管理所有学生、老师和管理员信息、管理所有学院、专业和班级信息、管理所有学期信息、管理所有课程信息和日程信息、查询上课信息、管理所有成绩信息、管理公告信息和管理所有缴费信息等等功能。
应用技术：SpringBoot + Electron + Vue3 + MySQL + MyBatis + Redis + ElementUI-Plus + Vite
运行环境：IntelliJ IDEA2019.3.5 + MySQL5.7（项目压缩包中自带) + Redis5.0.5（项目压缩包中自带） + JDK1.8 + Maven3.6.3（项目压缩包中自带）+ Node20.18.0（项目压缩包中自带）+ Visual Studio Code（项目压缩包中自带）
三、运行截图
四、主要代码
1.查询课程表代码
@Override
public ResponseDTO<List<CourseItemDTO>> getCourseTableList(CourseDTO courseDTO) {
if(CommonUtil.isEmpty(courseDTO.getClassesId()) || CommonUtil.isEmpty(courseDTO.getSemesterId())) {
return ResponseDTO.errorByMsg(CodeMsg.DATA_ERROR);
}
CourseClassesExample courseClassesExample = new CourseClassesExample();
courseClassesExample.createCriteria().andClassesIdEqualTo(courseDTO.getClassesId());
List<String> courseIdList = courseClassesMapper.selectByExample(courseClassesExample).stream().map(CourseClasses::getCourseId).collect(Collectors.toList());
if(courseIdList.size() == 0) {
return ResponseDTO.errorByMsg(CodeMsg.COURSE_CLASSES_EMPTY);
}
CourseExample courseExample = new CourseExample();
courseExample.createCriteria().andIdIn(courseIdList).andSemesterIdEqualTo(courseDTO.getSemesterId());
courseIdList = courseMapper.selectByExample(courseExample).stream().map(Course::getId).collect(Collectors.toList());
if(courseIdList.size() == 0) {
return ResponseDTO.errorByMsg(CodeMsg.COURSE_CLASSES_EMPTY);
}
CourseItemExample courseItemExample = new CourseItemExample();
courseItemExample.createCriteria().andCourseIdIn(courseIdList);
List<CourseItem> courseItemList = courseItemMapper.selectByExample(courseItemExample);
List<CourseItemDTO> courseItemDTOList = CopyUtil.copyList(courseItemList, CourseItemDTO.class);
for(CourseItemDTO courseItemDTO : courseItemDTOList) {
Course course = courseMapper.selectByPrimaryKey(courseItemDTO.getCourseId());
CourseDTO courseDTODB = CopyUtil.copy(Optional.ofNullable(course).orElse(new Course()), CourseDTO.class);
Teacher teacher = teacherMapper.selectByPrimaryKey(courseDTODB.getTeacherId());
courseDTODB.setTeacherDTO(CopyUtil.copy(Optional.ofNullable(teacher).orElse(new Teacher()), TeacherDTO.class));
courseItemDTO.setCourseDTO(courseDTODB);
}
return ResponseDTO.success(courseItemDTOList);
}
2.保存学生信息代码
@Override
public ResponseDTO<Boolean> saveStudent(StudentDTO studentDTO) {
// 进行统一表单验证
CodeMsg validate = ValidateEntityUtil.validate(studentDTO);
if (!validate.getCode().equals(CodeMsg.SUCCESS.getCode())) {
return ResponseDTO.errorByMsg(validate);
}
Student student = CopyUtil.copy(studentDTO, Student.class);
if(CommonUtil.isEmpty(student.getId())) {
// 添加操作
// 判断学号/学工号是否存在
if(isNoExist(student, "")){
return ResponseDTO.errorByMsg(CodeMsg.NO_EXIST);
}
student.setId(UuidUtil.getShortUuid());
if(studentMapper.insertSelective(student) == 0) {
return ResponseDTO.errorByMsg(CodeMsg.USER_ADD_ERROR);
}
} else {
// 修改操作
// 判断学号/学工号是否存在
if(isNoExist(student, student.getId())){
return ResponseDTO.errorByMsg(CodeMsg.NO_EXIST);
}
ResponseDTO<UserDTO> loginUserResp = userService.getLoginUser(studentDTO.getToken());
if(loginUserResp.getCode() != 0) {
return ResponseDTO.errorByMsg(CodeMsg.USER_SESSION_EXPIRED);
}
if(studentMapper.updateByPrimaryKeySelective(student) == 0) {
return ResponseDTO.errorByMsg(CodeMsg.USER_EDIT_ERROR);
}
UserDTO loginUserDTO = loginUserResp.getData();
if(student.getId().equals(loginUserDTO.getId())) {
// 如果是修改个人信息 则更新redis中数据
loginUserDTO = CopyUtil.copy(studentMapper.selectByPrimaryKey(student.getId()), UserDTO.class);
stringRedisTemplate.opsForValue().set("USER_" + studentDTO.getToken(), JSON.toJSONString(loginUserDTO), 3600, TimeUnit.SECONDS);
}
}
return ResponseDTO.successByMsg(true, "保存成功！");
}
3.用户登录代码
@Override
public ResponseDTO<UserDTO> login(UserDTO userDTO) {
// 进行是否为空判断
if(CommonUtil.isEmpty(userDTO.getNo())){
return ResponseDTO.errorByMsg(CodeMsg.NO_EMPTY);
}
if(CommonUtil.isEmpty(userDTO.getPassword())){
return ResponseDTO.errorByMsg(CodeMsg.PASSWORD_EMPTY);
}
if(userDTO.getRoleId() == null){
return ResponseDTO.errorByMsg(CodeMsg.ROLE_EMPTY);
}
UserDTO loginUserDTO = new UserDTO();
// 对比学号/学工号和密码是否正确
if(RoleEnum.STUDENT.getCode().equals(userDTO.getRoleId())) {
StudentExample studentExample = new StudentExample();
studentExample.createCriteria().andNoEqualTo(userDTO.getNo()).andPasswordEqualTo(userDTO.getPassword());
List<Student> studentList = studentMapper.selectByExample(studentExample);
if(studentList == null || studentList.size() != 1){
return ResponseDTO.errorByMsg(CodeMsg.NO_PASSWORD_ERROR);
}
loginUserDTO = CopyUtil.copy(studentList.get(0), UserDTO.class);
} else if (RoleEnum.TEACHER.getCode().equals(userDTO.getRoleId())) {
TeacherExample teacherExample = new TeacherExample();
teacherExample.createCriteria().andNoEqualTo(userDTO.getNo()).andPasswordEqualTo(userDTO.getPassword());
List<Teacher> teacherList = teacherMapper.selectByExample(teacherExample);
if(teacherList == null || teacherList.size() != 1){
return ResponseDTO.errorByMsg(CodeMsg.NO_PASSWORD_ERROR);
}
loginUserDTO = CopyUtil.copy(teacherList.get(0), UserDTO.class);
} else if (RoleEnum.ADMIN.getCode().equals(userDTO.getRoleId())) {
AdminExample adminExample = new AdminExample();
adminExample.createCriteria().andNoEqualTo(userDTO.getNo()).andPasswordEqualTo(userDTO.getPassword());
List<Admin> adminList = adminMapper.selectByExample(adminExample);
if(adminList == null || adminList.size() != 1){
return ResponseDTO.errorByMsg(CodeMsg.NO_PASSWORD_ERROR);
}
loginUserDTO = CopyUtil.copy(adminList.get(0), UserDTO.class);
}
loginUserDTO.setRoleId(userDTO.getRoleId());
// 生成登录token并存入Redis中
String token = UuidUtil.getShortUuid();
loginUserDTO.setToken(token);
//把token存入redis中 有效期1小时
stringRedisTemplate.opsForValue().set("USER_" + token, JSON.toJSONString(loginUserDTO), 3600, TimeUnit.SECONDS);
return ResponseDTO.successByMsg(loginUserDTO, "登录成功！");
}
