public void readAt4Data(int hang, BufferedReader br, Sheet sheet) throws IOException {
		String str = null;
		int number = 0;
		while ((str = br.readLine()) != null && !str.isEmpty()) {
			number = StringUtil.getAtDHCP(str);
			System.out.println(number);
			Row row = sheet.getRow(hang);
			if (row == null)
				row = sheet.createRow(hang);
			Cell cell = row.createCell(atAc4Column++);
			cell.setCellStyle(style);
			cell.setCellValue(number);
		}
	}