风机的数据的导入

JButton btnNewButton = new JButton("导入");btnNewButton.addMouseListener(new MouseAdapter() {private FileOutputStream fos;private FileInputStream fis;private BufferedInputStream bis;private BufferedOutputStream bos;@Overridepublic void mouseClicked(MouseEvent paramMouseEvent) {try {if (filePathText.getText() != null) {File file = new File(filePathText.getText());// FileInputStream fis = new FileInputStream(file);String name = file.getName();System.out.println("name " + name);String outfilename = IAppConstants.fanpath+ name.substring(0, name.indexOf(".")) + ".dat";System.out.println(outfilename);File outfile = new File(outfilename);if (outfile.exists()) {int  con = JOptionPane.showConfirmDialog(null, "文件已存在,继续导入？", "导入错误",JOptionPane.YES_NO_CANCEL_OPTION,JOptionPane.INFORMATION_MESSAGE);if(con>0)return;}fos = new FileOutputStream(outfile);fis = new FileInputStream(file);bis = new BufferedInputStream(fis);bos = new BufferedOutputStream(fos);int i;byte[] buf = new byte[2048];while ((i = bis.read(buf)) != -1) {fos.write(buf, 0, i);}chartParentPanel.removeAll();double[][] dataArr = GetFanArr.getFanDataArr(file);chart = createChart(dataArr);chartParentPanel.setLayout(new BorderLayout(0, 0));chartPanel = new ChartPanel(chart);chartPanel.setPreferredSize(new Dimension(400, 360));chartPanel.setFillZoomRectangle(true);chartParentPanel.add(chartPanel, BorderLayout.CENTER);chartPanel.revalidate();;chartPanel.repaint();;Object[][] obDataArr = toObdata(dataArr);dtm = (DefaultTableModel) fanTable.getModel();dtm.setDataVector(obDataArr, columnNames);fanTable.repaint();JOptionPane.showMessageDialog(null, file + "导入成功,","提示", JOptionPane.INFORMATION_MESSAGE);}} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();JOptionPane.showMessageDialog(null, "请检查excel表格", "错误",JOptionPane.ERROR_MESSAGE);} finally {try {fis.close();fos.flush();fos.close();bis.close();bos.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}});