// 封裝文字檔案
File file = new File("d:/test11.txt");
 // BufferedReader br = new BufferedReader(new FileReader(
   //               "d:/test.txt"));
// BufferedReader br = new BufferedReader(new FileReader(file));
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file),"gbk"));//轉成gbk就不亂碼了
  // 封裝通道內流
 
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(
                  s.getOutputStream()));

  String line = null;
  while ((line = br.readLine()) != null)
      { // 阻塞
bw.write(line);
          bw.newLine();
          bw.flush();
          System.out.println(line);
      }