Netty UDP客户机

 package com.ahies.stm.app.electricmodbus;

    
  
    
 import io.netty.bootstrap.Bootstrap;
    
 import io.netty.buffer.Unpooled;
    
 import io.netty.channel.Channel;
    
 import io.netty.channel.ChannelOption;
    
 import io.netty.channel.EventLoopGroup;
    
 import io.netty.channel.nio.NioEventLoopGroup;
    
 import io.netty.channel.socket.DatagramPacket;
    
 import io.netty.channel.socket.nio.NioDatagramChannel;
    
 import io.netty.util.CharsetUtil;
    
  
    
 import java.net.InetSocketAddress;
    
  
    
 public class ChineseProverbClient {
    
     public void run(