code: @Override
  	protected void encode(ChannelHandlerContext paramChannelHandlerContext,
  			String paramOUTBOUND_IN, List<Object> paramList) throws Exception {
  		paramList.add(new TextWebSocketFrame(paramOUTBOUND_IN));
  		log.debug("text to TextWebSocketFrame,text:"+paramOUTBOUND_IN);
  	}
docs: 对于业务层直接发送的bytebuf实例将其转换为websocket消息