mesclient-yamao/src/com/mes/netty/NettyClient.java

package com.mes.netty;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.string.StringEncoder;
import java.util.concurrent.TimeUnit;

import com.mes.ui.MesClient;

public class NettyClient {
    public SocketChannel socketChannel;
    public static ChannelFuture future;

    public  void run(Object msg){
        //配置线程组
        EventLoopGroup group = new NioEventLoopGroup();
        //创建服务启动器
        Bootstrap bootstrap = new Bootstrap();

        //配置参数
        bootstrap.group(group)
                .channel(NioSocketChannel.class)
                .option(ChannelOption.TCP_NODELAY,true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    protected void initChannel(SocketChannel socketChannel) throws Exception {
                        socketChannel.pipeline()
                                .addLast(new XDecoder())
                                .addLast(new StringEncoder())
//                                    .addLast(new StringDecoder())
                                .addLast(new NettyClientHandler());
                    }
                })
                .remoteAddress(MesClient.mes_server_ip,MesClient.mes_tcp_port);

        //连接
        future = bootstrap.connect();
        System.out.println("客户端正在连接服务端...");
        //客户端断线重连逻辑
        future.addListener((ChannelFutureListener) future1 -> {
            if (future1.isSuccess()) {
                //tcp连接成功
                MesClient.tcp_connect_flag = true;
                //设置TCP请求状态
                MesClient.connect_request_flag = false;
                System.out.println("连接Netty服务端成功");
                future.channel().writeAndFlush(msg);
            } else {
                //tcp连接失败
                MesClient.tcp_connect_flag = false;
                MesClient.connect_request_flag = true;
                System.out.println("连接失败，进行断线重连");
                future1.channel().eventLoop().schedule(() -> run(msg), 10, TimeUnit.SECONDS);
            }
            //设置tcp连接状态
            MesClient.setTcpStatus();
        });
        socketChannel = (SocketChannel) future.channel();

    }
}