POI实现Excel导入数据库数据

  @RequestMapping(value = "import" , method = RequestMethod.POST)
    public Result import(@RequestParam(value = "file", required = false) MultipartFile file){
        try{
            if(file==null){
                return new Result(ResultConstant.FAILED,"文件找不到");
            }
            String fileName =file.getOriginalFilename();
            ReadExcelUtils readExcelUtils = new ReadExcelUtils(file.getInputStream(),fileName);
            List<Map<Integer,Object>> datas =readExcelUtils.readExcelList();
            for(Map<Integer,Object> mapData : datas){
                Business business = new Business();
                business.setInfoName(String.valueOf(mapData.get(0)));
                business.setChildType(String.valueOf(mapData.get(1)));
                business.setAddress(String.valueOf(mapData.get(2)));
                business.setInfoContent(String.valueOf(mapData.get(3)));
                business.setCreateBy("测试人");
                businessService.insertSelective(business);
            }
        }catch (Exception e){
            return new Result(ResultConstant.FAILED,"failed");
        }
        return new Result(ResultConstant.SUCCESS,"ok");
    }