客户端:

package com.server;
import java.net.Socket;
public class Client {
public static void main(String[] args) throws Exception {
Socket socket = new Socket("127.0.0.1", 10101);
socket.getOutputStream().write("hello".getBytes());
socket.close();
}
}

服务端:

package com.server;

import java.net.InetSocketAddress;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors; import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
import org.jboss.netty.handler.codec.string.StringDecoder;
import org.jboss.netty.handler.codec.string.StringEncoder; public class Server {
public static void main(String[] args) {
//服务类
ServerBootstrap bootstrap = new ServerBootstrap();
//boss线程监听端口,worker线程负责数据读写
ExecutorService boss = Executors.newCachedThreadPool();
ExecutorService worker = Executors.newCachedThreadPool();
//设置niosocket工厂
bootstrap.setFactory(new NioServerSocketChannelFactory(boss, worker));
//设置管道的工厂
bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
@Override
public ChannelPipeline getPipeline() throws Exception { ChannelPipeline pipeline = Channels.pipeline();
pipeline.addLast("handler1", new MyHandler1());
pipeline.addLast("handler2", new MyHandler2());
return pipeline;
}
});
bootstrap.bind(new InetSocketAddress(10101));
System.out.println("start!!!");
}
}
package com.server;

import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelHandler;
import org.jboss.netty.channel.UpstreamMessageEvent; public class MyHandler1 extends SimpleChannelHandler {
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
ChannelBuffer buffer = (ChannelBuffer)e.getMessage();
byte[] array = buffer.array();
String message = new String(array);
System.out.println("handler1:" + message);
//传递
ctx.sendUpstream(new UpstreamMessageEvent(ctx.getChannel(), "abc", e.getRemoteAddress()));
ctx.sendUpstream(new UpstreamMessageEvent(ctx.getChannel(), "efg", e.getRemoteAddress()));
}
}
package com.server;

import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelHandler; public class MyHandler2 extends SimpleChannelHandler {
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
String message = (String)e.getMessage();
System.out.println("handler2:" + message);
}
}
05-11 21:47