swing

//通过swing控件读取文件

private static void chooseFile() {
  JFileChooser jfc = new JFileChooser();// 初始化文件选择器
  FileNameExtensionFilter filter = new FileNameExtensionFilter("TXT","txt");// 设置文件过滤,TXT为提示用户选择文件类型,txt为文件过滤后缀
  jfc.setFileFilter(filter);// 将文件过滤加载到选择器中
  int returnVal = jfc.showOpenDialog(null);
  if (returnVal == JFileChooser.APPROVE_OPTION) {
  // 获得打开的文件
  File file = jfc.getSelectedFile();
  File out = new File(file.getParent() + "\\jiagkun.txt");
  try {
    InputStreamReader in = new InputStreamReader(
    new FileInputStream(file), "UTF-8");
    BufferedReader buff = new BufferedReader(in);
    BufferedWriter write = new BufferedWriter(new FileWriter(out));
    String text = null;
    while ((text = buff.readLine()) != null) {
      write.write(text + "\n");
    }
    buff.close();
    write.close();
  } catch (FileNotFoundException e1) {
  } catch (UnsupportedEncodingException e1) {
  } catch (IOException e1) {
  }
  }

posted @ 2016-05-05 21:28  蓝色土耳其  阅读(181)  评论(0编辑  收藏  举报