try 
{
      URL url=new URL("http://manhua.xfdm.com/9/1507/1.html");
      URLConnection con=url.openConnection();
      BufferedReader reader = new BufferedReader(new InputStreamReader(con.getInputStream(),"gb2312"));
      String line = null;
      while ((line = reader.readLine()) != null)
            System.out.println(line);
}
catch (MalformedURLException e) 
{
      e.printStackTrace(); 
}
catch (IOException e)
{
      e.printStackTrace(); 
}
finally
{
      reader.close();
}