jsp读取txt,excel内容，并显示在jsp求大神解答

[yy1230789]

/**
	 * 读取Excel文件
	 * 
	 * @param file
	 * @return
	 */
	public static List<String[]> readExcel(File file) {
		List<String[]> excelValueList = new ArrayList<String[]>();
		if (file.exists() && file.canRead()
				&& (file.getName().lastIndexOf(".xls")) < 0) {
			Workbook workbook = null;// 工作薄对象
			try {
				workbook = Workbook.getWorkbook(file);
				int n = workbook.getNumberOfSheets();
				// 循环 行 和 列
				for (int i = 0; i < n; i++) {
					Sheet sheet = workbook.getSheet(i);
					int row = sheet.getRows();// 总行数
					int col = sheet.getColumns();// 总列数
					for (int r = 0; r < row; r++) {
						String[] rowValue = new String[col];
						for (int c = 0; c < col; c++) {
							rowValue[c] = sheet.getCell(c, r).getContents() != null ? sheet
									.getCell(c, r).getContents()
									: "";
						}
						excelValueList.add(rowValue);
					}
				}
			} catch (BiffException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			} finally {
				if (workbook != null) {
					workbook.close();
				}
			}
		}
		return excelValueList;
	}

	/**
	 * 读取 Txt 文件
	 * 
	 * @param file
	 * @return
	 */
	public static List<String> readTxt(File file) throws Exception {
		List<String> txtValueList = new ArrayList<String>();
		String encoding = "UTF-8";
		if (file.exists() && file.canRead()
				&& (file.getName().lastIndexOf(".txt") < 0)) {
			InputStreamReader read = new InputStreamReader(new FileInputStream(
					file), encoding);
			BufferedReader buffer = new BufferedReader(read);
			String lineTxt;
			while ((lineTxt = buffer.readLine()) != null) {
				txtValueList.add(lineTxt);
				System.out.println(lineTxt);
			}
			if (read != null) {
				read.close();
			}
		}
		return txtValueList;
	}
/**
	 * 读取Excel Txt 文件 UI
	 * 
	 * @return
	 */
	public String loadAddTel() {
		return "addTel";
	}

	/**
	 * 读取Excel Txt文件
	 * 
	 * @return
	 * @throws Exception
	 */
	public String addTel() throws Exception {
		if (uploadFileName.lastIndexOf(".xls") >= 1) {
			List<String[]> excelValueList = new ArrayList<String[]>();
			excelValueList = SendSMSService.readExcel(file);
			StringBuffer sb = new StringBuffer();
			for (int i = 0; i < excelValueList.size(); i++) {
				String s[] = excelValueList.get(i);
				for (int n = 0; n < s.length; n++) {
					sb.append(s[n]);
					sb.append(",");
				}
			}
			tels = sb.toString();
			return sendSmsUI();
		} else if (uploadFileName.lastIndexOf(".txt") >= 1) {
			List<String> txtValueList = new ArrayList<String>();
			txtValueList = SendSMSService.readTxt(file);
			StringBuffer sb = new StringBuffer();
			for (int i = 0; i < txtValueList.size(); i++) {
				sb.append(txtValueList.get(i));
				sb.append(",");
			}
			tels = sb.toString();
			return sendSmsUI();
		} else {
			addActionMessage("不允许上传此类文件！");
			return "addTel";
		}
	}

	private String sendSmsUI() {
		return SUCCESS;
	}

[yy1230789]

么人回答，这我后台已经接到了，但是jsp去不到值