studentInfoService.addStudentByExcel(file);
ResultMessage resultMessage = new ResultMessage(); resultMessage.setStatus(ResultMessage.FAILED); resultMessage.setInfo("批量添加学生失败！后台未做实现"); JSONUtils.toJSON(resultMessage, response);
	public void addStudentByExcel(MultipartFile file, HttpServletRequest request, HttpServletResponse response) { 		studentInfoService.addStudentByExcel(file);	}