public void readFile(MultipartFile file) {
        try(XSSFWorkbook workbook = new XSSFWorkbook(file.getInputStream())) {
            for(Sheet sheet : workbook) {
                for(Row row : sheet) {
                    if(row.getRowNum() != 0) {
                        row.getCell(0).getStringCellValue();
                        row.getCell(1).getNumericCellValue();
                    }
                }
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }