{"id":40657,"date":"2025-05-30T02:21:19","date_gmt":"2025-05-29T18:21:19","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/40657.html"},"modified":"2025-05-30T02:21:19","modified_gmt":"2025-05-29T18:21:19","slug":"netty%e6%9d%a5%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aatcp%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%8c%e5%88%86%e5%8c%85%e4%b8%8a%e4%bc%a0%e8%af%ad%e9%9f%b3%e6%96%87%e4%bb%b6%e7%9a%84%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/40657.html","title":{"rendered":"Netty\u6765\u521b\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668\uff0c\u5206\u5305\u4e0a\u4f20\u8bed\u97f3\u6587\u4ef6\u7684\u5904\u7406"},"content":{"rendered":"

\u521b\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668\u3002<\/h3>\n

\u6211\u4eec\u4ee5\u5728Spring Boot\u9879\u76ee\u4e2d\u96c6\u6210Netty\u6765\u521b\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668\u4e3a\u4f8b\uff0c\u4f7f\u7528Netty\u521b\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668\u662f\u5e38\u89c1\u4e14\u53ef\u9760\u7684\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u9ad8\u6027\u80fd\u3001\u4f4e\u5ef6\u8fdf\u7684\u7f51\u7edc\u901a\u4fe1\u65f6\u3002<\/p>\n

\u6dfb\u52a0\u4f9d\u8d56<\/h4>\n

\u5728pom.xml\u6587\u4ef6\u4e2d\u6dfb\u52a0Netty\u7684\u4f9d\u8d56\uff1a<\/p>\n

<<\/span>dependencies<\/span>><\/span><\/span>
\n <<\/span>dependency<\/span>><\/span><\/span>
\n <<\/span>groupId<\/span>><\/span><\/span>io.netty<\/<\/span>groupId<\/span>><\/span><\/span>
\n <<\/span>artifactId<\/span>><\/span><\/span>netty-all<\/<\/span>artifactId<\/span>><\/span><\/span>
\n <<\/span>version<\/span>><\/span><\/span>4.1.68.Final<\/<\/span>version<\/span>><\/span><\/span>
\n <\/<\/span>dependency<\/span>><\/span><\/span>
\n<\/<\/span>dependencies<\/span>><\/span><\/span><\/p>\n

\u521b\u5efaNetty\u670d\u52a1\u5668\u914d\u7f6e\u7c7b<\/h4>\n

\u521b\u5efa\u4e00\u4e2a\u914d\u7f6e\u7c7b\u6765\u542f\u52a8Netty\u670d\u52a1\u5668\u3002<\/p>\n

import<\/span> io.<\/span>netty.<\/span>bootstrap.<\/span><\/span>ServerBootstrap<\/span><\/span>;<\/span>
\nimport<\/span> io.<\/span>netty.<\/span>channel.<\/span><\/span>ChannelFuture<\/span><\/span>;<\/span>
\nimport<\/span> io.<\/span>netty.<\/span>channel.<\/span><\/span>ChannelInitializer<\/span><\/span>;<\/span>
\nimport<\/span> io.<\/span>netty.<\/span>channel.<\/span><\/span>ChannelOption<\/span><\/span>;<\/span>
\nimport<\/span> io.<\/span>netty.<\/span>channel.<\/span><\/span>EventLoopGroup<\/span><\/span>;<\/span>
\nimport<\/span> io.<\/span>netty.<\/span>channel.<\/span>nio.<\/span><\/span>NioEventLoopGroup<\/span><\/span>;<\/span>
\nimport<\/span> io.<\/span>netty.<\/span>channel.<\/span>socket.<\/span><\/span>SocketChannel<\/span><\/span>;<\/span>
\nimport<\/span> io.<\/span>netty.<\/span>channel.<\/span>socket.<\/span>nio.<\/span><\/span>NioServerSocketChannel<\/span><\/span>;<\/span>
\nimport<\/span> io.<\/span>netty.<\/span>handler.<\/span>codec.<\/span>string.<\/span><\/span>StringDecoder<\/span><\/span>;<\/span>
\nimport<\/span> io.<\/span>netty.<\/span>handler.<\/span>codec.<\/span>string.<\/span><\/span>StringEncoder<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>springframework.<\/span>context.<\/span>annotation.<\/span><\/span>Bean<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>springframework.<\/span>context.<\/span>annotation.<\/span><\/span>Configuration<\/span><\/span>;<\/span><\/p>\n

import<\/span> javax.<\/span>annotation.<\/span><\/span>PostConstruct<\/span><\/span>;<\/span>
\nimport<\/span> javax.<\/span>annotation.<\/span><\/span>PreDestroy<\/span><\/span>;<\/span><\/p>\n

@Configuration<\/span>
\npublic<\/span> class<\/span> NettyServerConfig<\/span> {
\n <\/span><\/p>\n

private<\/span> final<\/span> int<\/span> port =<\/span> 8080<\/span>;<\/span>
\n private<\/span> EventLoopGroup<\/span> bossGroup;<\/span>
\n private<\/span> EventLoopGroup<\/span> workerGroup;<\/span>
\n private<\/span> ChannelFuture<\/span> channelFuture;<\/span><\/p>\n

@PostConstruct<\/span>
\n public<\/span> void<\/span> start<\/span>(<\/span>)<\/span> throws<\/span> Exception<\/span> {
\n <\/span>
\n bossGroup =<\/span> new<\/span> NioEventLoopGroup<\/span>(<\/span>1<\/span>)<\/span>;<\/span>
\n workerGroup =<\/span> new<\/span> NioEventLoopGroup<\/span>(<\/span>)<\/span>;<\/span>
\n try<\/span> {
\n <\/span>
\n ServerBootstrap<\/span> b =<\/span> new<\/span> ServerBootstrap<\/span>(<\/span>)<\/span>;<\/span>
\n b.<\/span>group<\/span>(<\/span>bossGroup,<\/span> workerGroup)<\/span>
\n .<\/span>channel<\/span>(<\/span>NioServerSocketChannel<\/span>.<\/span>class<\/span>)<\/span>
\n .<\/span>childHandler<\/span>(<\/span>new<\/span> ChannelInitializer<\/span><<\/span>SocketChannel<\/span>><\/span><\/span>(<\/span>)<\/span> {
\n <\/span>
\n @Override<\/span>
\n public<\/span> void<\/span> initChannel<\/span>(<\/span>SocketChannel<\/span> ch)<\/span> throws<\/span> Exception<\/span> {
\n <\/span>
\n ch.<\/span>pipeline<\/span>(<\/span>)<\/span>.<\/span>addLast<\/span>(<\/span>new<\/span> StringDecoder<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n ch.<\/span>pipeline<\/span>(<\/span>)<\/span>.<\/span>addLast<\/span>(<\/span>new<\/span> StringEncoder<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n ch.<\/span>pipeline<\/span>(<\/span>)<\/span>.<\/span>addLast<\/span>(<\/span>new<\/span> SessionIdHandler<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n ch.<\/span>pipeline<\/span>(<\/span>)<\/span>.<\/span>addLast<\/span>(<\/span>new<\/span> NettyServerHandler<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n ch.<\/span>pipeline<\/span>(<\/span>)<\/span>.<\/span>addLast<\/span>(<\/span>new<\/span> NettyServerHandler<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span>
\n }<\/span>)<\/span>
\n .<\/span>option<\/span>(<\/span>ChannelOption<\/span>.<\/span>SO_BACKLOG<\/span>,<\/span> 128<\/span>)<\/span>
\n .<\/span>childOption<\/span>(<\/span>ChannelOption<\/span>.<\/span>SO_KEEPALIVE<\/span>,<\/span> true<\/span>)<\/span>;<\/span><\/p>\n

channelFuture =<\/span> b.<\/span>bind<\/span>(<\/span>port)<\/span>.<\/span>sync<\/span>(<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\\”Netty server started on port \\”<\/span> +<\/span> port)<\/span>;<\/span>
\n }<\/span> finally<\/span> {
\n <\/span>
\n if<\/span> (<\/span>channelFuture !=<\/span> null<\/span> &&<\/span> channelFuture.<\/span>isSuccess<\/span>(<\/span>)<\/span>)<\/span> {
\n <\/span>
\n channelFuture.<\/span>channel<\/span>(<\/span>)<\/span>.<\/span>closeFuture<\/span>(<\/span>)<\/span>.<\/span>sync<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

@PreDestroy<\/span>
\n public<\/span> void<\/span> stop<\/span>(<\/span>)<\/span> throws<\/span> Exception<\/span> {
\n <\/span>
\n bossGroup.<\/span>shutdownGracefully<\/span>(<\/span>)<\/span>;<\/span>
\n workerGroup.<\/span>shutdownGracefully<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u521b\u5efaNetty\u5904\u7406\u5668<\/h3>\n

\u6dfb\u52a0\u4f1a\u8bddID Handler<\/h4>\n

\u521b\u5efa\u4e00\u4e2a\u670d\u52a1\u6765\u7ba1\u7406\u8fd9\u4e2a\u6620\u5c04\uff0c\u5e76\u5728Netty<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e30\u6b21\uff0c\u6536\u85cf6\u6b21\u3002\u4f7f\u7528Netty\u521b\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668,\u5e76\u5b9e\u73b0\u5206\u5305\u63a5\u6536\u8bed\u97f3\u6587\u4ef6_netty\u5904\u7406\u8bed\u97f3\u6d88\u606f<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1826,205,43,191],"topic":[],"class_list":["post-40657","post","type-post","status-publish","format-standard","hentry","category-server","tag-netty","tag-tcp-ip","tag-43","tag-191"],"yoast_head":"\nNetty\u6765\u521b\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668\uff0c\u5206\u5305\u4e0a\u4f20\u8bed\u97f3\u6587\u4ef6\u7684\u5904\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/40657.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Netty\u6765\u521b\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668\uff0c\u5206\u5305\u4e0a\u4f20\u8bed\u97f3\u6587\u4ef6\u7684\u5904\u7406 - 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