使用java操作Excel文件

使用java操作Excel文件(9)                 {
                    sql1 = sql1 + " <td> " + content[i][j] + " </td> ";
                }
                sql1 = sql1 + " </tr> ";
            }
            sql1 = sql1 + " </table> ";
            byte[] b = sql1.getBytes("gbk");
            out.write(b);
            out.close();
            Javax.swing.JOptionPane.showMessageDialog(null, "文件已经保存，按确定键退出！",
                "结束！", Javax.swing.JOptionPane.INFORMATION_MESSAGE);
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }
    }
  //-----------------------------------------------------------
    public void outputXlsContent(String xls)
    {
      JFileChooser chooser = new JFileChooser();

       int result = chooser.showSaveDialog(chooser);