Netty- javaserializable 序列化

import java.io.Serializable;

public class GirlResponse implements Serializable {
    private static final long serialVersionUID = -2619994978640439932L;
    private int code;
    private String msg;

    public static long getSerialVersionUID() {
        return serialVersionUID;
    }

    public int getCode() {
        return code;
    }

    public void setCode(int code) {
        this.code = code;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }
}

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.codec.http.HttpObject;

import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;

import java.net.InetSocketAddress;

public class Server {
    public void bind(int port) throws InterruptedException
    {
        EventLoopGroup boss=new NioEventLoopGroup();
        EventLoopGroup worker=new NioEventLoopGroup();
        try
        {
            ServerBootstrap b=new ServerBootstrap();
            b.group(boss,worker)
                    .channel(NioServerSocketChannel.class)
                    .option(ChannelOption.SO_BACKLOG, 1280)
                    .handler(new LoggingHandler(LogLevel.INFO))
                    .childHandler(new ChannelInitializer<SocketChannel>()
                    {
                        @Override
                        protected void initChannel(SocketChannel ch) throws Exception
                        {
                            ch.pipeline().addLast(
                                    new ServerHandler()
                            );
                        }
                    });

            ChannelFuture f=b.bind(port).sync();

            f.channel().closeFuture().sync();
        } finally
        {
            boss.shutdownGracefully();
            worker.shutdownGracefully();
        }
    }

    public static void main(String[] args) throws InterruptedException
    {
        int port = 8006;
        new Server().bind(port);
    }
}

import com.fasterxml.jackson.core.io.CharTypes;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

public class ServerHandler extends ChannelInboundHandlerAdapter
{
    @Override
    public void channelRead(ChannelHandlerContext ctx , Object msg) throws Exception
    {
        UserInfo user= (UserInfo) msg;
        System.out.println("收到："+user);
        ctx.writeAndFlush(reply(user));
    }

    private static GirlResponse reply(UserInfo user){
        GirlResponse gr=new GirlResponse();
        gr.setMsg("to "+user.getName()+" : 测试");
        return gr;
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx , Throwable cause) throws Exception
    {
        cause.printStackTrace();
        ctx.close();
    }
}

import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
public class Client {

    public void connect(int port, String host) throws InterruptedException
    {
        EventLoopGroup group = new NioEventLoopGroup();
        try
        {
            Bootstrap b=new Bootstrap();
            b.group(group)
                    .option(ChannelOption.TCP_NODELAY, true)
                    .channel(NioSocketChannel.class)
                    .handler(new ChannelInitializer<SocketChannel>()
                    {
                        @Override
                        protected void initChannel(SocketChannel ch) throws Exception
                        {

                            ch.pipeline().addLast(new ClientHandler());
                        }
                    });

            ChannelFuture f= b.connect(host, port).sync();
            f.channel().closeFuture().sync();
        } finally
        {
            group.shutdownGracefully();
        }
    }

    public static void main(String[] args) throws InterruptedException
    {
        int port = 8006;
        String host="127.0.0.1";
        new Client().connect(port, host);
    }

}

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import java.util.Random;

public class ClientHandler extends ChannelInboundHandlerAdapter {

    public void channelActive(ChannelHandlerContext ctx) throws Exception
    {
        System.out.println("同学测试：");
        Random r = new Random();
        for (int i = 1; i <= 5; i++)
        {
            UserInfo user = new UserInfo();
            user.setName("同学 " + i);
            user.setHeight(r.nextInt(25) + 160);
            ctx.write(user);
            System.out.println(user);
        }
        ctx.flush();
    }


    public void channelRead(ChannelHandlerContext ctx , Object msg) throws Exception
    {
        GirlResponse gr= (GirlResponse) msg;
        System.out.println("收到测试回复 ："+gr.getMsg());
    }

    public void exceptionCaught(ChannelHandlerContext ctx , Throwable cause) throws Exception
    {
        cause.printStackTrace();
        ctx.close();
    }
}