String[] fieldNames = new String[] { "studentId", "testId", "testCn", "school", "classNum", "name",
				"questionId", "answer" };
		File file1 = new File(Path);
		ExcelHelper eh1 = JxlExcelHelper.getInstance(file1);

		Log4jUtil.info("-----更新小题EXCEL 开始------");
		List<AnswerBo> list1 = eh1.readExcelRowToCol(AnswerBo.class, fieldNames, true, fieldNames.length - 2);
		Log4jUtil.info("-----更新小题EXCEL 结束------");
		List<AnswerBo> newlist = new ArrayList<AnswerBo>();