【开源】基于JAVA的在线课程教学系统

本文介绍: 基于JAVA+Vue+Spr in gBoot+MySQL的在线课程教学系统，包含了课程类型模块、课程档案模块、课时档案模块、课时收藏模块、课时评论模块，还包含系统自带的用户管理、部门管理、角色管理、菜单管理、日志管理、数据字典管理、文件管理、图表展示等基础模块，在线课程教学系统基于角色的访问控制，给学生、教师、高校管理员使用，可将权限精确到按钮级别，您可以自定义角色并分配权限，系统适合设计精确的权限约束需求。

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项目编号：

014

，文末获取源码。

color{red}{项目编号：S014，文末获取源码。}

@RequestMapping(value = "/insert", method = RequestMethod.POST)
@ApiOperation(value = "新增培训课程类型")
public Result<TrainType&gt; insert(TrainType trainType){
    if(trainType.getSortOrder() == null || Objects.equals(0,trainType.getSortOrder().compareTo(BigDecimal.ZERO))) {
        trainType.setSortOrder(BigDecimal.valueOf(iTrainTypeService.count() + 1));
    }
    iTrainTypeService.saveOrUpdate(trainType);
    return new ResultUtil<TrainType>().setData(trainType);
}

@RequestMapping(value = "/loginOnWeb", method = RequestMethod.GET)
@ApiOperation(value = "网站前台登陆")
public Result<String> loginOnWeb(@RequestParam String userName, @RequestParam String password){
    QueryWrapper<User> qw = new QueryWrapper<>();
    qw.eq("username",userName);
    List<User> userList = iUserService.list(qw);
    if(userList.size() < 1) {
        return ResultUtil.error("用户不存在");
    }
    User user = userList.get(0);
    if(!new BCryptPasswordEncoder().matches(password, user.getPassword())){
        return ResultUtil.error("密码不正确");
    }
    String accessToken = securityUtil.getToken(user.getUsername(), true);
    UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(new SecurityUserDetails(user), null, null);
    SecurityContextHolder.getContext().setAuthentication(authentication);
    return new ResultUtil<String>().setData(accessToken);
}

@RequestMapping(value = "/addOne", method = RequestMethod.GET)
@ApiOperation(value = "新增收藏")
public Result<TrainCollection> addOne(@RequestParam String id){
    TrainItem ti = iTrainItemService.getById(id);
    if(ti == null) {
        return ResultUtil.error("课时不存在");
    }
    User currUser = securityUtil.getCurrUser();
    QueryWrapper<TrainCollection> qw = new QueryWrapper<>();
    qw.eq("user_id",currUser.getId());
    qw.eq("item_id",ti.getId());
    if(iTrainCollectionService.count(qw) > 0L) {
        return ResultUtil.success("您已收藏");
    }
    TrainCollection tc = new TrainCollection();
    tc.setItemId(ti.getId());
    tc.setItemName(ti.getTitle());
    tc.setVideo(ti.getVideo());
    tc.setUserId(currUser.getId());
    tc.setUserName(currUser.getNickname());
    tc.setTime(DateUtil.now());
    iTrainCollectionService.saveOrUpdate(tc);
    return ResultUtil.success();
}

@RequestMapping(value = "/addOne", method = RequestMethod.GET)
@ApiOperation(value = "新增评论")
public Result<TrainComment> addOne(@RequestParam String id,@RequestParam String content){
    TrainItem item = iTrainItemService.getById(id);
    if(item == null) {
        return ResultUtil.error("课时不存在");
    }
    User currUser = securityUtil.getCurrUser();
    TrainComment tc = new TrainComment();
    tc.setItemId(item.getId());
    tc.setItemName(item.getTitle());
    tc.setUserId(currUser.getId());
    tc.setUserName(currUser.getNickname());
    tc.setTime(DateUtil.now());
    tc.setContent(content);
    iTrainCommentService.saveOrUpdate(tc);
    return ResultUtil.success();
}