@Override
        public boolean onTransBuffer_CallBack(int userId, int from_user_id,
                        String dataContent, String fingerPrint)
        {
                System.out.println("收到客户端:["+from_user_id+"]发来的信息,内容是:["+dataContent+"]");
                try {
                        ServerLauncherImpl.sendData(0, from_user_id, "你好",true);
                } catch (Exception e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                }
                logger.debug("收到了客户端"+from_user_id+"发给服务端的消息：str="+dataContent);
                return true;
        }