feat(新增): 🚀 netty使用Redis发送消息

netty/service/src/main/java/cn/bunny/service/netty/demo4/PackageClient.java

@@ -1,4 +1,4 @@
-package cn.bunny.service.netty;
+package cn.bunny.service.netty.demo4;
 
 import io.netty.bootstrap.Bootstrap;
 import io.netty.buffer.ByteBuf;

netty/service/src/main/java/cn/bunny/service/netty/demo4/PackageServer.java

@@ -1,4 +1,4 @@
-package cn.bunny.service.netty;
+package cn.bunny.service.netty.demo4;
 
 import io.netty.bootstrap.ServerBootstrap;
 import io.netty.channel.*;

netty/service/src/main/java/cn/bunny/service/netty/demo5/RedisSend.java

@@ -0,0 +1,65 @@
+package cn.bunny.service.netty.demo5;
+
+import io.netty.bootstrap.Bootstrap;
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.channel.socket.nio.NioSocketChannel;
+import io.netty.handler.logging.LoggingHandler;
+import lombok.extern.slf4j.Slf4j;
+
+import java.nio.charset.Charset;
+
+@Slf4j
+public class RedisSend {
+    public static void main(String[] args) {
+        final byte[] LINE = {13, 10};
+        NioEventLoopGroup work = new NioEventLoopGroup();
+        try {
+            Bootstrap bootstrap = new Bootstrap();
+            bootstrap.channel(NioSocketChannel.class);
+            bootstrap.group(work);
+            bootstrap.handler(new ChannelInitializer<SocketChannel>() {
+                @Override
+                protected void initChannel(SocketChannel socketChannel) throws Exception {
+                    socketChannel.pipeline().addLast(new LoggingHandler());
+                    socketChannel.pipeline().addLast(new ChannelInboundHandlerAdapter() {
+                        // 在连接建立时发送
+                        @Override
+                        public void channelActive(ChannelHandlerContext ctx) throws Exception {
+                            ByteBuf buf = ctx.alloc().buffer();
+                            buf.writeBytes("*2".getBytes());
+                            buf.writeBytes(LINE);
+                            buf.writeBytes("$3".getBytes());
+                            buf.writeBytes(LINE);
+                            buf.writeBytes("get".getBytes());
+                            buf.writeBytes(LINE);
+                            buf.writeBytes("$3".getBytes());
+                            buf.writeBytes(LINE);
+                            buf.writeBytes("aaa".getBytes());
+                            buf.writeBytes(LINE);
+                            ctx.writeAndFlush(buf);
+                        }
+
+                        @Override
+                        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
+                            ByteBuf buf = (ByteBuf) msg;
+                            System.out.println(buf.toString(Charset.defaultCharset()));
+                        }
+                    });
+                }
+            });
+
+            ChannelFuture channelFuture = bootstrap.connect("47.120.65.66", 6379);
+            channelFuture.channel().closeFuture().sync();
+        } catch (InterruptedException e) {
+            log.error("服务器错误", e);
+        } finally {
+            work.shutdownGracefully();
+        }
+    }
+}