基于springboot的高校学科竞赛系统

/**进入列表页面*/
    @GetMapping("/competition")
    public String userIframe(){
        return "CompetitionList";
    }
    /**列表数据*/
    @GetMapping("/list")
    @ResponseBody
    public PageResultVo findCompetition(Competition competition, Integer limit, Integer page){
        PageHelper.startPage(page,limit);
        List<Competition> competitionList = competitionService.selectByCondition(competition);
        PageInfo<Competition> pages = new PageInfo<>(competitionList);
        return JsonData.table(competitionList,pages.getTotal());
    }
    /**
     * 后台内容图片上传
     * @param dropFile
     * @param request
     * @return
     */
    @RequestMapping(value = "/ContentUpload", method = RequestMethod.POST)
    @ResponseBody
    public Map<String, Object> hotelContentUpload(MultipartFile dropFile, HttpServletRequest request) {
        Map<String, Object> result = new HashMap<>();
        //获取文件后缀
        String fileName = dropFile.getOriginalFilename();
        String fileSuffix = fileName.substring(fileName.lastIndexOf('.'));
        //文件存放路径
        String fileDirPath = new String(uploadDir);
        File fileDir = new File(fileDirPath);
        //判断文件是否存在
        if (!fileDir.exists()){
            fileDir.mkdirs();
        }
        File file = new File(fileDir.getAbsolutePath()+File.separator+ UUID.randomUUID() + fileSuffix);
        try {
            dropFile.transferTo(file);
        } catch (IOException e) {
            e.printStackTrace();
        }
        //传到前端
        result.put("errno",0);
        result.put("data",new String[] {"http://localhost:"+port+"/upload/" + file.getName()});
        return result;
    }
    /**详情*/
    @GetMapping("/query")
    public String query(String id,Model model) throws ParseException {
        Competition competition = competitionService.selectById(id);
        model.addAttribute("id",id);
        model.addAttribute("competition",competition);
        if(competition.getStartTime()==null
                || competition.getStartTime().equals("")
                || competition.getEndTime()==null
                || competition.getEndTime().equals("")
        ){
            competition.setStatus("00");
        }
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        Date start = sdf.parse(competition.getStartTime());
        Date end = sdf.parse(competition.getEndTime());
        Date current = new Date();
        if(current.before(start)){
            competition.setStatus("01");
        }else if(end.before(current)){
            competition.setStatus("03");
        }else{
            competition.setStatus("02");
        }
        return "CompetitonDetail";
    }
    /**编辑详情*/
    @GetMapping("/edit")
    @ResponseBody
    public Competition edit(Model model, String id){
        return competitionService.selectById(id);
    }
    /**编辑*/
    @PostMapping("/edit")
    @ResponseBody
    public JsonData edit(Competition competition){
        int a = competitionService.updateById(competition);
        if (a > 0) {
          return JsonData.success(null,"编辑成功！");
        } else {
          return JsonData.fail("编辑失败");
        }
    }