试读《Netty权威指南（第2版）》

public void run() throws Exception {
        EventLoopGroup bossGroup = new NioEventLoopGroup();
        EventLoopGroup workerGroup = new NioEventLoopGroup();
        try{
            ServerBootstrap b = new ServerBootstrap(); // 1. 创建ServerBootstrap实例
            b.group(bossGroup, workerGroup)  // 2. 设置并绑定Reactor线程池
                    .channel(NioServerSocketChannel.class) // 3. 设置并绑定服务端Channel()
                    .childHandler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        public void initChannel(SocketChannel ch) throws Exception{
                            ch.pipeline() // 4. TCP链路建立时创建ChannelPipeline()
                            .addLast(new EchoServerHandler()); // 5. 添加并设置ChannelHandler()
                        }
                    })
                    .option(ChannelOption.SO_BACKLOG, 128)
                    .childOption(ChannelOption.SO_KEEPALIVE, true);

            ChannelFuture f = b.bind(port).sync(); // 6. 绑定监听接口
            f.channel().closeFuture().sync();

        }finally {
            workerGroup.shutdownGracefully();
            bossGroup.shutdownGracefully();
        }
    }

?