Socket s = new Socket(ia, port);

 BufferedOutputStream bufOut = new BufferedOutputStream(s.getOutputStream());

 byte[] bytes = logXml.getBytes(CHARSET);

 bufOut.write(bytes);

 // 因为下边还要使用getInputStream，所以此处不可以使用bufOut.close()

 bufOut.flush(); //此处必须flush

 s.shutdownOutput();

 BufferedReader bufin = new BufferedReader(new InputStreamReader(s.getInputStream(), CHARSET));

 String line = null;

 while (null != (line = bufin.readLine()))

 {

      System.out.println(line);

 }