服務端

package com.demo.rpc.netty;import io.netty.bootstrap.ServerBootstrap; import io.netty.channel.*; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.nio.NioServerSocketChannel; import io.netty.channel.socket.nio.NioSocketChannel; import io.netty.handler.codec.string.StringDecoder; import io.netty.handler.codec.string.StringEncoder;public class NettyServer {public static void main(String[] args) throws InterruptedException {NioEventLoopGroup bossGroup = new NioEventLoopGroup();NioEventLoopGroup workGroup = new NioEventLoopGroup();ServerBootstrap serverBootstrap = new ServerBootstrap();serverBootstrap.group(bossGroup, workGroup).channel(NioServerSocketChannel.class).childHandler(new ChannelInitializer<NioSocketChannel>() {@Overrideprotected void initChannel(NioSocketChannel nioSocketChannel) {ChannelPipeline pipeline = nioSocketChannel.pipeline();pipeline.addFirst(new StringEncoder());pipeline.addLast(new StringDecoder());pipeline.addLast(new SimpleChannelInboundHandler<String>() {@Overrideprotected void channelRead0(ChannelHandlerContext channelHandlerContext, String msg) {System.out.println(msg);}});}});ChannelFuture future = serverBootstrap.bind(9999).sync();future.channel().closeFuture();} }

客戶端

package com.demo.rpc.netty;import io.netty.bootstrap.Bootstrap; import io.netty.channel.Channel; import io.netty.channel.ChannelInitializer; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.nio.NioSocketChannel; import io.netty.handler.codec.string.StringEncoder;public class NettyClient {public static void main(String[] args) throws InterruptedException {NioEventLoopGroup group = new NioEventLoopGroup();Bootstrap bootstrap = new Bootstrap();bootstrap.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<Channel>() {@Overrideprotected void initChannel(Channel channel) throws Exception {channel.pipeline().addLast(new StringEncoder());}});Channel channel = bootstrap.connect("127.0.0.1", 9999).channel();while (true){channel.writeAndFlush("hello server");Thread.sleep(2000);}} }

控制臺打印

總結

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