{"id":78025,"date":"2026-02-25T22:41:37","date_gmt":"2026-02-25T14:41:37","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/78025.html"},"modified":"2026-02-25T22:41:37","modified_gmt":"2026-02-25T14:41:37","slug":"springbootvuenettywebsocketwebrtc-%e5%ae%9e%e7%8e%b0%e8%a7%86%e9%a2%91%e8%81%8a%e5%a4%a9","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/78025.html","title":{"rendered":"SpringBoot+Vue+Netty+WebSocket+WebRTC \u5b9e\u73b0\u89c6\u9891\u804a\u5929"},"content":{"rendered":"

\u5b9e\u65f6\u97f3\u89c6\u9891\u804a\u5929\u662f\u5f53\u4e0b\u793e\u4ea4\u3001\u5728\u7ebf\u534f\u4f5c\u7c7b\u5e94\u7528\u7684\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00，WebRTC（Web Real-Time Communication）\u4f5c\u4e3a\u6d4f\u89c8\u5668\u539f\u751f\u652f\u6301\u7684\u5b9e\u65f6\u901a\u4fe1\u6280\u672f，\u80fd\u8ba9\u524d\u7aef\u65e0\u9700\u63d2\u4ef6\u5373\u53ef\u5b9e\u73b0\u70b9\u5bf9\u70b9\u97f3\u89c6\u9891\u4f20\u8f93；\u800c Netty \u4f5c\u4e3a\u9ad8\u6027\u80fd\u7684 Java NIO \u6846\u67b6，\u53ef\u63d0\u4f9b\u7a33\u5b9a\u7684 WebSocket \u901a\u4fe1\u901a\u9053，\u914d\u5408 SpringBoot \u7684\u5feb\u901f\u5f00\u53d1\u80fd\u529b\u548c Vue \u7684\u524d\u7aef\u5de5\u7a0b\u5316\u80fd\u529b，\u80fd\u5feb\u901f\u642d\u5efa\u4e00\u5957\u5b8c\u6574\u7684\u89c6\u9891\u804a\u5929\u7cfb\u7edf\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u57fa\u4e8e\u8fd9\u4e9b\u6280\u672f\u6808\u5b9e\u73b0\u4e00\u5bf9\u4e00\u89c6\u9891\u804a\u5929\u529f\u80fd\u3002<\/p>\n

\u4e00\u3001SpringBoot+Vue+Netty+WebSocket+WebRTC \u5b9e\u73b0\u89c6\u9891\u804a\u5929<\/h2>\n\n\u6280\u672f\u6808\u6838\u5fc3\u4f5c\u7528<\/tr>\n\n\n\n\n\n\n
SpringBoot<\/td>\n\u540e\u7aef\u5feb\u901f\u5f00\u53d1\u6846\u67b6，\u6574\u5408 Netty\u3001\u914d\u7f6e WebSocket，\u63d0\u4f9b\u63a5\u53e3\u652f\u6491<\/td>\n<\/tr>\n
Vue<\/td>\n\u524d\u7aef\u5de5\u7a0b\u5316\u6846\u67b6，\u8d1f\u8d23\u97f3\u89c6\u9891\u754c\u9762\u6e32\u67d3\u3001WebRTC API \u8c03\u7528<\/td>\n<\/tr>\n
Netty<\/td>\n\u9ad8\u6027\u80fd\u7f51\u7edc\u901a\u4fe1\u6846\u67b6，\u5b9e\u73b0 WebSocket \u670d\u52a1\u7aef，\u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5\u548c\u4fe1\u4ee4\u8f6c\u53d1<\/td>\n<\/tr>\n
WebSocket<\/td>\n\u5168\u53cc\u5de5\u901a\u4fe1\u534f\u8bae，\u7528\u4e8e\u524d\u7aef\u548c\u540e\u7aef\u4e4b\u95f4\u7684\u4fe1\u4ee4（\u5982\u547c\u53eb\u3001\u5e94\u7b54\u3001ICE \u5019\u9009）\u4f20\u8f93<\/td>\n<\/tr>\n
WebRTC<\/td>\n\u5b9e\u65f6\u901a\u4fe1\u6807\u51c6，\u63d0\u4f9b\u97f3\u89c6\u9891\u91c7\u96c6\u3001\u7f16\u7801\u3001\u70b9\u5bf9\u70b9\u4f20\u8f93\u80fd\u529b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6574\u4e2a\u89c6\u9891\u804a\u5929\u7cfb\u7edf\u5206\u4e3a\u4e09\u5c42，\u6838\u5fc3\u662f\u4fe1\u4ee4\u8f6c\u53d1\u548c\u70b9\u5bf9\u70b9\u97f3\u89c6\u9891\u4f20\u8f93：<\/p>\n

  • \u524d\u7aef\u5c42（Vue）：\u91c7\u96c6\u97f3\u89c6\u9891\u6d41\u3001\u521b\u5efa WebRTC \u8fde\u63a5\u3001\u901a\u8fc7 WebSocket \u53d1\u9001 \/ \u63a5\u6536\u4fe1\u4ee4；<\/li>\n
  • \u901a\u4fe1\u5c42（Netty+WebSocket）：\u7ef4\u62a4\u5ba2\u6237\u7aef\u8fde\u63a5\u3001\u8f6c\u53d1\u4fe1\u4ee4（\u5982\u547c\u53eb\u8bf7\u6c42\u3001ICE \u5019\u9009\u4fe1\u606f）；<\/li>\n
  • \u540e\u7aef\u5c42（SpringBoot）：\u6574\u5408 Netty\u3001\u7ba1\u7406\u7528\u6237\u8fde\u63a5\u72b6\u6001\u3001\u63d0\u4f9b\u57fa\u7840\u914d\u7f6e\u652f\u6491\u3002<\/li>\n

    \"\"<\/p>\n

    WebRTC \u662f\u4ec0\u4e48:\u662f\u6d4f\u89c8\u5668\u5185\u7f6e\u7684\u5b9e\u65f6\u901a\u4fe1\u6280\u672f，\u80fd\u8ba9\u7f51\u9875\u76f4\u63a5\u5b9e\u73b0\u97f3\u89c6\u9891\u901a\u8bdd\u3001\u6570\u636e\u4f20\u8f93，\u65e0\u9700\u5b89\u88c5\u63d2\u4ef6\u3002<\/p>\n

    ICE \u662f\u4ec0\u4e48：ICE（Interactive Connectivity Establishment）\u662f WebRTC \u4e2d\u7528\u4e8e\u89e3\u51b3 NAT \u7a7f\u900f（\u7b80\u5355\u8bf4\u5c31\u662f\u8ba9\u4e0d\u540c\u7f51\u7edc\u4e0b\u7684\u8bbe\u5907\u80fd\u627e\u5230\u5f7c\u6b64）\u7684\u6846\u67b6，\u800c iceServers \u5c31\u662f\u7ed9 ICE \u63d0\u4f9b \u201c\u8f85\u52a9\u670d\u52a1\u5668\u201d \u7684\u914d\u7f6e\u3002<\/p>\n

    STUN \u670d\u52a1\u5668：STUN（Session Traversal Utilities for NAT），\u76f4\u8bd1\u662f \u201cNAT \u4f1a\u8bdd\u7a7f\u900f\u5de5\u5177\u201d，\u5b83\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u7f51\u7edc\u670d\u52a1\u5668<\/span><\/span>，\u6838\u5fc3\u4f5c\u7528\u662f：\u5e2e\u52a9\u5904\u4e8e NAT（\u7f51\u7edc\u5730\u5740\u8f6c\u6362）\u540e\u7684\u8bbe\u5907（\u6bd4\u5982\u4f60\u7684\u7535\u8111 \/ \u624b\u673a），\u83b7\u53d6\u81ea\u5df1\u7684\u516c\u7f51 IP + \u7aef\u53e3<\/span><\/span>，\u4ee5\u53ca NAT \u8bbe\u5907\u7684\u7c7b\u578b，\u4ece\u800c\u8ba9\u4e0d\u540c NAT \u540e\u7684\u8bbe\u5907\u80fd\u627e\u5230\u5f7c\u6b64，\u5efa\u7acb\u70b9\u5bf9\u70b9（P2P）\u8fde\u63a5\u3002<\/p>\n

    \u5148\u8865\u4e2a\u524d\u63d0：\u4e3a\u4ec0\u4e48\u9700\u8981 STUN？<\/span><\/h5>\n

    \u6211\u4eec\u65e5\u5e38\u7528\u7684\u7f51\u7edc（\u6bd4\u5982\u5bb6\u91cc\u7684\u5bbd\u5e26\u3001\u516c\u53f8\u7684\u5185\u7f51），\u8bbe\u5907\u62ff\u5230\u7684\u90fd\u662f\u5185\u7f51 IP（\u5982 192.168.1.100），\u4e0d\u662f\u516c\u7f51 IP\u3002\u5f53\u4e24\u4e2a\u5185\u7f51\u8bbe\u5907\u8981\u76f4\u63a5\u901a\u4fe1（\u6bd4\u5982 WebRTC \u97f3\u89c6\u9891\u901a\u8bdd），\u5b83\u4eec\u4e0d\u77e5\u9053\u5bf9\u65b9\u7684\u516c\u7f51\u5730\u5740，\u5c31\u50cf\u4e24\u4e2a\u4eba\u5728\u4e0d\u540c\u7684\u5c0f\u533a\u91cc，\u53ea\u77e5\u9053\u81ea\u5df1\u7684\u95e8\u724c\u53f7，\u5374\u4e0d\u77e5\u9053\u5c0f\u533a\u7684\u5730\u5740\u548c\u5bf9\u5916\u7684\u51fa\u5165\u53e3 \u2014\u2014STUN \u670d\u52a1\u5668\u5c31\u662f\u5e2e\u5b83\u4eec\u67e5 \u201c\u5c0f\u533a\u5730\u5740 + \u51fa\u5165\u53e3\u201d \u7684\u5de5\u5177\u3002<\/p>\n

    \u7528\u4e00\u4e2a \u201c\u6253\u7535\u8bdd\u201d \u7684\u4f8b\u5b50\u89e3\u91ca：<\/p>\n

  • \u8bbe\u5907 A（\u5185\u7f51）<\/span><\/span> \u5411 STUN \u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u8bf7\u6c42：\u201c\u8bf7\u544a\u8bc9\u6211，\u4f60\u770b\u5230\u7684\u6211\u7684\u5730\u5740\u548c\u7aef\u53e3\u662f\u4ec0\u4e48？\u201d<\/li>\n
  • STUN \u670d\u52a1\u5668<\/span><\/span> \u6536\u5230\u8bf7\u6c42\u540e，\u4f1a\u8bb0\u5f55\u4e0b\u8bf7\u6c42\u6765\u6e90\u7684\u516c\u7f51 IP + \u7aef\u53e3<\/span><\/span>（\u8fd9\u662f NAT \u8bbe\u5907\u7ed9\u8bbe\u5907 A \u5206\u914d\u7684\u5bf9\u5916\u7aef\u53e3），\u7136\u540e\u628a\u8fd9\u4e2a\u4fe1\u606f\u8fd4\u56de\u7ed9\u8bbe\u5907 A\u3002<\/li>\n
  • \u8bbe\u5907 A<\/span><\/span> \u62ff\u5230\u81ea\u5df1\u7684\u516c\u7f51\u5730\u5740\u540e，\u901a\u8fc7\u4fe1\u4ee4\u670d\u52a1\u5668（\u6bd4\u5982 WebSocket）\u628a\u8fd9\u4e2a\u5730\u5740\u544a\u8bc9\u8bbe\u5907 B；\u540c\u7406，\u8bbe\u5907 B \u4e5f\u901a\u8fc7 STUN \u670d\u52a1\u5668\u62ff\u5230\u81ea\u5df1\u7684\u516c\u7f51\u5730\u5740\u5e76\u544a\u8bc9\u8bbe\u5907 A\u3002<\/li>\n
  • \u6700\u540e，\u8bbe\u5907 A \u548c\u8bbe\u5907 B \u5c31\u53ef\u4ee5\u7528\u5f7c\u6b64\u7684\u516c\u7f51\u5730\u5740，\u76f4\u63a5\u5efa\u7acb P2P \u8fde\u63a5\u3002<\/li>\n

    \u4e8c\u3001\u670d\u52a1\u7aef\u5f00\u53d1<\/h2>\n

    2.1 \u9879\u76ee\u642d\u5efa\u4e0e\u4f9d\u8d56\u914d\u7f6e<\/h3>\n

    <!– SpringBoot \u6838\u5fc3 –>
    \n<dependency>
    \n <groupId>org.springframework.boot<\/groupId>
    \n <artifactId>spring-boot-starter<\/artifactId>
    \n<\/dependency>
    \n<!– Netty WebSocket \u4f9d\u8d56 –>
    \n<dependency>
    \n <groupId>io.netty<\/groupId>
    \n <artifactId>netty-all<\/artifactId>
    \n <version>4.1.94.Final<\/version>
    \n<\/dependency>
    \n<!– JSON \u89e3\u6790 –>
    \n<dependency>
    \n <groupId>com.alibaba<\/groupId>
    \n <artifactId>fastjson<\/artifactId>
    \n <version>2.0.25<\/version>
    \n<\/dependency><\/p>\n

    \u4f9d\u8d56\u4f5c\u7528：Netty \u662f\u6838\u5fc3，\u8d1f\u8d23\u7f51\u7edc\u901a\u4fe1；FastJSON \u7528\u4e8e\u5904\u7406\u524d\u540e\u7aef\u4f20\u8f93\u7684 JSON \u683c\u5f0f\u4fe1\u4ee4<\/p>\n

    2.2\u00a0\u6838\u5fc3\u5b9e\u4f53\u7c7b\u4e0e\u6d88\u606f\u5904\u7406\u5668<\/h3>\n

    1.\u521b\u5efa\u6d88\u606f\u5b9e\u4f53\u7c7b Message.java<\/p>\n

    \u9700\u6c42：\u4fe1\u4ee4\u6d88\u606f\u9700\u8981\u5305\u542b\u201c\u6d88\u606f\u7c7b\u578b\u201d\u201c\u53d1\u9001\u65b9ID\u201d\u201c\u63a5\u6536\u65b9ID\u201d\u201c\u6d88\u606f\u5185\u5bb9\u201d，\u6240\u4ee5\u5b9a\u4e49\u5bf9\u5e94\u7684\u5c5e\u6027<\/p>\n

    public class Message {
    \n \/\/ \u6d88\u606f\u7c7b\u578b：register(\u6ce8\u518c)\u3001call(\u547c\u53eb)\u3001answer(\u5e94\u7b54)\u3001ice(ICE\u5019\u9009)
    \n private String type;
    \n \/\/ \u53d1\u9001\u65b9ID
    \n private String from;
    \n \/\/ \u63a5\u6536\u65b9ID
    \n private String to;
    \n \/\/ \u6d88\u606f\u5185\u5bb9（SDP\/ICE \u6570\u636e）
    \n private String data;
    \n}<\/p>\n

    2.\u521b\u5efa Netty WebSocket \u5904\u7406\u5668<\/p>\n

    \u6838\u5fc3\u4f5c\u7528：\u5904\u7406 WebSocket \u8fde\u63a5\u7684\u5efa\u7acb\u3001\u6d88\u606f\u63a5\u6536\u4e0e\u8f6c\u53d1\u3001\u8fde\u63a5\u65ad\u5f00\u7b49\u4e8b\u4ef6，\u662f\u670d\u52a1\u7aef\u7684\u6838\u5fc3\u903b\u8f91<\/p>\n

    import com.alibaba.fastjson.JSON;
    \nimport com.qcby.springboot.entity.Message;
    \nimport io.netty.channel.Channel;
    \nimport io.netty.channel.ChannelHandler;
    \nimport io.netty.channel.ChannelHandlerContext;
    \nimport io.netty.channel.SimpleChannelInboundHandler;
    \nimport io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
    \nimport io.netty.handler.codec.http.websocketx.WebSocketServerProtocolHandler;
    \nimport org.springframework.context.annotation.Configuration;
    \nimport java.util.Map;
    \nimport java.util.concurrent.ConcurrentHashMap;<\/p>\n

    \/**
    \n * \u63cf\u8ff0:
    \n *\/
    \n@Configuration
    \n@ChannelHandler.Sharable
    \npublic class WebSocketHandler extends SimpleChannelInboundHandler<TextWebSocketFrame> {
    \n \/\/ \u5b58\u50a8\u7528\u6237ID\u4e0eChannel\u7684\u6620\u5c04（\u7ebf\u7a0b\u5b89\u5168）
    \n public static final ConcurrentHashMap<String, Channel> USER_CHANNEL_MAP = new ConcurrentHashMap<>();<\/p>\n

    @Override
    \n public void channelActive(ChannelHandlerContext ctx) throws Exception {
    \n System.out.println("\u4e0e\u5ba2\u6237\u7aef\u5efa\u7acb\u8fde\u63a5，\u901a\u9053\u5f00\u542f！");
    \n }
    \n \/**
    \n * \u5904\u7406\u63a5\u6536\u5230\u7684\u6587\u672c\u6d88\u606f
    \n *\/
    \n @Override
    \n protected void channelRead0(ChannelHandlerContext ctx, TextWebSocketFrame msg) throws Exception {
    \n \/\/ \u89e3\u6790JSON\u6d88\u606f
    \n String text = msg.text();
    \n Message message = JSON.parseObject(text, Message.class);
    \n System.out.println("\u6536\u5230\u6d88\u606f：" + text);<\/p>\n

    switch (message.getType()) {
    \n case "register":
    \n \/\/ \u6ce8\u518c\u7528\u6237ID\u4e0eChannel\u7684\u6620\u5c04
    \n USER_CHANNEL_MAP.put(message.getFrom(), ctx.channel());
    \n System.out.println("\u7528\u6237 " + message.getFrom() + " \u6ce8\u518c\u6210\u529f");
    \n break;
    \n case "call":
    \n case "answer":
    \n case "ice":
    \n \/\/ \u8f6c\u53d1\u6d88\u606f\u5230\u63a5\u6536\u65b9
    \n Channel targetChannel = USER_CHANNEL_MAP.get(message.getTo());
    \n if (targetChannel != null && targetChannel.isActive()) {
    \n targetChannel.writeAndFlush(new TextWebSocketFrame(text));
    \n System.out.println("\u8f6c\u53d1\u6d88\u606f\u5230\u7528\u6237 " + message.getTo());
    \n } else {
    \n System.out.println("\u7528\u6237 " + message.getTo() + " \u4e0d\u5728\u7ebf");
    \n }
    \n break;
    \n default:
    \n System.out.println("\u672a\u77e5\u6d88\u606f\u7c7b\u578b：" + message.getType());
    \n }
    \n }<\/p>\n

    \/**
    \n * \u5904\u7406\u8fde\u63a5\u65ad\u5f00\u4e8b\u4ef6
    \n *\/
    \n @Override
    \n public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    \n System.out.println("\u4e0e\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5，\u901a\u9053\u5173\u95ed！");
    \n }<\/p>\n

    \/**
    \n * \u5904\u7406\u5f02\u5e38
    \n *\/
    \n @Override
    \n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
    \n System.out.println("\u8fde\u63a5\u5f02\u5e38：" + cause.getMessage());
    \n USER_CHANNEL_MAP.entrySet().removeIf(entry -> entry.getValue() == ctx.channel());
    \n ctx.close();
    \n }
    \n}<\/p>\n

    \u4e09\u3001Netty \u670d\u52a1\u542f\u52a8\u7c7b\u4e0e SpringBoot \u542f\u52a8\u7c7b<\/h2>\n

    \u9700\u6c42：\u9700\u8981\u5728 SpringBoot \u9879\u76ee\u542f\u52a8\u65f6，\u81ea\u52a8\u542f\u52a8 Netty \u7684 WebSocket \u670d\u52a1，\u76d1\u542c\u6307\u5b9a\u7aef\u53e3（8081）<\/p>\n

    import io.netty.bootstrap.ServerBootstrap;
    \nimport io.netty.channel.ChannelFuture;
    \nimport io.netty.channel.ChannelInitializer;
    \nimport io.netty.channel.ChannelOption;
    \nimport io.netty.channel.EventLoopGroup;
    \nimport io.netty.channel.nio.NioEventLoopGroup;
    \nimport io.netty.channel.socket.SocketChannel;
    \nimport io.netty.channel.socket.nio.NioServerSocketChannel;
    \nimport io.netty.handler.codec.http.HttpObjectAggregator;
    \nimport io.netty.handler.codec.http.HttpServerCodec;
    \nimport io.netty.handler.codec.http.websocketx.WebSocketServerProtocolHandler;
    \nimport io.netty.handler.stream.ChunkedWriteHandler;
    \nimport org.springframework.beans.factory.annotation.Autowired;
    \nimport org.springframework.context.annotation.Configuration;
    \n\/**
    \nNetty WebSocket \u670d\u52a1\u7aef*\/
    \n@Configurationpublic
    \nclass NettyWebSocketServer {
    \n @Autowired
    \n private WebSocketHandler coordinationSocketHandler;
    \n public void start() throws Exception {
    \n EventLoopGroup bossGroup = new NioEventLoopGroup();
    \n EventLoopGroup group = new NioEventLoopGroup();
    \n try {
    \n ServerBootstrap sb = new ServerBootstrap();
    \n sb.option(ChannelOption.SO_BACKLOG, 1024);
    \n sb.group(group, bossGroup) \/\/ \u7ed1\u5b9a\u7ebf\u7a0b\u6c60
    \n .channel(NioServerSocketChannel.class) \/\/ \u6307\u5b9a\u4f7f\u7528\u7684channel
    \n .localAddress(8004)\/\/ \u7ed1\u5b9a\u76d1\u542c\u7aef\u53e3
    \n .childHandler(new ChannelInitializer<SocketChannel>() { \/\/ \u7ed1\u5b9a\u5ba2\u6237\u7aef\u8fde\u63a5\u65f6\u5019\u89e6\u53d1\u64cd\u4f5c
    \n @Override
    \n protected void initChannel(SocketChannel ch) throws Exception {
    \n \/\/websocket\u534f\u8bae\u672c\u8eab\u662f\u57fa\u4e8ehttp\u534f\u8bae\u7684，\u6240\u4ee5\u8fd9\u8fb9\u4e5f\u8981\u4f7f\u7528http\u89e3\u7f16\u7801\u5668
    \n ch.pipeline().addLast(new HttpServerCodec());
    \n \/\/\u4ee5\u5757\u7684\u65b9\u5f0f\u6765\u5199\u7684\u5904\u7406\u5668
    \n ch.pipeline().addLast(new ChunkedWriteHandler());
    \n ch.pipeline().addLast(new HttpObjectAggregator(8192));
    \n ch.pipeline().addLast(new WebSocketServerProtocolHandler("\/ws", "WebSocket", true, 65536 * 10));
    \n ch.pipeline().addLast(coordinationSocketHandler);\/\/\u81ea\u5b9a\u4e49\u6d88\u606f\u5904\u7406\u7c7b
    \n }
    \n });
    \n ChannelFuture cf = sb.bind().sync(); \/\/ \u670d\u52a1\u5668\u5f02\u6b65\u521b\u5efa\u7ed1\u5b9a
    \n cf.channel().closeFuture().sync(); \/\/ \u5173\u95ed\u670d\u52a1\u5668\u901a\u9053
    \n } finally {
    \n group.shutdownGracefully().sync(); \/\/ \u91ca\u653e\u7ebf\u7a0b\u6c60\u8d44\u6e90
    \n bossGroup.shutdownGracefully().sync();
    \n }
    \n }
    \n}<\/p>\n

      \n
    • @PostConstruct \u548c @PreDestroy：Spring \u7684\u6ce8\u89e3，\u5206\u522b\u5728\u9879\u76ee\u542f\u52a8\u540e\u548c\u9500\u6bc1\u524d\u6267\u884c，\u5b9e\u73b0 Netty \u670d\u52a1\u7684\u81ea\u52a8\u542f\u505c<\/li>\n
    • EventLoopGroup \u7ebf\u7a0b\u7ec4：bossGroup \u8d1f\u8d23\u63a5\u6536\u8fde\u63a5，workerGroup \u8d1f\u8d23\u5904\u7406\u8bfb\u5199，\u662f Netty \u9ad8\u6027\u80fd\u7684\u6838\u5fc3<\/li>\n
    • \u901a\u9053\u5904\u7406\u5668\u94fe：\u6309\u987a\u5e8f\u6dfb\u52a0\u5904\u7406\u5668，WebSocket \u57fa\u4e8e HTTP \u63e1\u624b，\u6240\u4ee5\u5148\u6dfb\u52a0 HTTP \u76f8\u5173\u5904\u7406\u5668，\u6700\u540e\u6dfb\u52a0\u81ea\u5b9a\u4e49\u5904\u7406\u5668<\/li>\n<\/ul>\n

      import com.qcby.springboot.commun.NettyWebSocketServer;
      \nimport org.mybatis.spring.annotation.MapperScan;
      \nimport org.springframework.beans.factory.annotation.Autowired;
      \nimport org.springframework.boot.CommandLineRunner;
      \nimport org.springframework.boot.SpringApplication;
      \nimport org.springframework.boot.autoconfigure.SpringBootApplication;
      \n@SpringBootApplication
      \n@MapperScan("com.qcby.springboot.dao")
      \npublic class Application implements CommandLineRunner {
      \npublic static void main(String[] args) {
      \n SpringApplication.run(Application.class, args);
      \n}<\/p>\n

      @Autowired
      \n private NettyWebSocketServer nettyServer;
      \n @Override
      \n public void run(String… args) throws Exception {
      \n nettyServer.start();
      \n }<\/p>\n

      }<\/p>\n

      \u56db\u3001Vue\u524d\u7aef\u5f00\u53d1<\/h2>\n

      4.1 \u7f16\u8f91\u6a21\u7248template<\/h3>\n

      <template>
      \n <div class="container">
      \n <h2>WebRTC \u89c6\u9891\u804a\u5929<\/h2><\/p>\n

      <!– 1. \u7528\u6237ID\u8f93\u5165\u4e0e\u8fde\u63a5\u670d\u52a1\u5668\u533a\u57df –>
      \n <div class="input-group">
      \n <input
      \n v-model="userId"
      \n placeholder="\u8f93\u5165\u4f60\u7684\u7528\u6237ID（\u5982user1）"
      \n type="text"
      \n \/>
      \n <button @click="connect">\u8fde\u63a5\u670d\u52a1\u5668<\/button>
      \n <\/div><\/p>\n

      <!– 2. \u547c\u53eb\u529f\u80fd\u533a\u57df（\u4ec5\u8fde\u63a5\u6210\u529f\u540e\u663e\u793a） –>
      \n <div class="input-group" v-if="socketConnected">
      \n <input
      \n v-model="targetUserId"
      \n placeholder="\u8f93\u5165\u5bf9\u65b9\u7528\u6237ID（\u5982user2）"
      \n type="text"
      \n \/>
      \n <button @click="call">\u53d1\u8d77\u89c6\u9891\u547c\u53eb<\/button>
      \n <\/div><\/p>\n

      <!– 3. \u89c6\u9891\u5c55\u793a\u533a\u57df –>
      \n <div class="video-container">
      \n <div class="video-item">
      \n <p>\u672c\u5730\u89c6\u9891<\/p>
      \n <!– muted：\u672c\u5730\u89c6\u9891\u9759\u97f3，\u907f\u514d\u56de\u58f0；autoplay：\u81ea\u52a8\u64ad\u653e –>
      \n <video ref="localVideo" autoplay muted><\/video>
      \n <\/div>
      \n <div class="video-item">
      \n <p>\u8fdc\u7a0b\u89c6\u9891<\/p>
      \n <video ref="remoteVideo" autoplay><\/video>
      \n <\/div>
      \n <\/div>
      \n <\/div><\/p>\n

      <\/template>
      \n<style scoped>
      \n\/* \u5168\u5c40\u5bb9\u5668：\u5c45\u4e2d+\u56fa\u5b9a\u5bbd\u5ea6，\u907f\u514d\u9875\u9762\u592a\u5bbd\/\u592a\u7a84 *\/
      \n.container {
      \n width: 900px;
      \n margin: 20px auto;
      \n text-align: center;
      \n font-family: "Microsoft YaHei", sans-serif;
      \n}<\/p>\n

      \/* \u8f93\u5165\u6846+\u6309\u94ae\u7ec4\u6837\u5f0f：\u7edf\u4e00\u95f4\u8ddd\u548c\u6837\u5f0f *\/
      \n.input-group {
      \n margin: 25px 0;
      \n}
      \ninput {
      \n padding: 10px 15px;
      \n width: 220px;
      \n margin-right: 10px;
      \n border: 1px solid #ddd;
      \n border-radius: 4px;
      \n font-size: 14px;
      \n}
      \nbutton {
      \n padding: 10px 20px;
      \n background: #42b983;
      \n color: white;
      \n border: none;
      \n border-radius: 4px;
      \n cursor: pointer;
      \n font-size: 14px;
      \n}
      \nbutton:hover {
      \n background: #359469; \/* \u9f20\u6807\u60ac\u6d6e\u53d8\u8272，\u63d0\u5347\u4ea4\u4e92\u4f53\u9a8c *\/
      \n}<\/p>\n

      \/* \u89c6\u9891\u5bb9\u5668：\u5e76\u6392\u5c55\u793a\u4e24\u4e2a\u89c6\u9891 *\/
      \n.video-container {
      \n display: flex;
      \n justify-content: center;
      \n gap: 30px;
      \n margin-top: 30px;
      \n}
      \n.video-item {
      \n text-align: center;
      \n}
      \n.video-item p {
      \n margin-bottom: 8px;
      \n font-size: 16px;
      \n color: #333;
      \n}
      \n\/* \u89c6\u9891\u6807\u7b7e\u6837\u5f0f：\u56fa\u5b9a\u5c3a\u5bf8，\u52a0\u8fb9\u6846，\u63d0\u5347\u7f8e\u89c2\u5ea6 *\/
      \nvideo {
      \n width: 400px;
      \n height: 300px;
      \n border: 1px solid #ccc;
      \n border-radius: 8px;
      \n background-color: #f5f5f5; \/* \u672a\u52a0\u8f7d\u6d41\u65f6\u663e\u793a\u6d45\u7070\u8272\u80cc\u666f *\/
      \n}
      \n<\/style><\/p>\n

      4.2 \u7f16\u5199\u6838\u5fc3\u811a\u672c（script setup），\u5b9e\u73b0\u4ea4\u4e92\u903b\u8f91<\/h3>\n

      \u6b65\u9aa4 1：\u5bfc\u5165\u4f9d\u8d56 + \u5b9a\u4e49\u57fa\u7840\u53d8\u91cf<\/p>\n

      <script setup>
      \n\/\/ 1. \u5bfc\u5165 Vue \u5185\u7f6e\u7684\u54cd\u5e94\u5f0f\u53d8\u91cf\u548c\u751f\u547d\u5468\u671f\u94a9\u5b50
      \nimport { ref, onUnmounted } from 'vue';<\/p>\n

      \/\/ 2. \u5b9a\u4e49\u54cd\u5e94\u5f0f\u53d8\u91cf（\u9875\u9762\u4e0a\u7528\u5230\u7684\u52a8\u6001\u6570\u636e）
      \nconst userId = ref(''); \/\/ \u672c\u5730\u7528\u6237ID
      \nconst targetUserId = ref(''); \/\/ \u5bf9\u65b9\u7528\u6237ID
      \nconst socketConnected = ref(false); \/\/ WebSocket\u8fde\u63a5\u72b6\u6001（\u63a7\u5236\u547c\u53eb\u533a\u57df\u663e\u793a）<\/p>\n

      \/\/ 3. \u5b9a\u4e49\u89c6\u9891DOM\u5f15\u7528（\u7528\u4e8e\u7ed1\u5b9a\u97f3\u89c6\u9891\u6d41）
      \nconst localVideo = ref(null); \/\/ \u672c\u5730\u89c6\u9891DOM
      \nconst remoteVideo = ref(null); \/\/ \u8fdc\u7a0b\u89c6\u9891DOM<\/p>\n

      \/\/ 4. \u5b9a\u4e49\u975e\u54cd\u5e94\u5f0f\u5168\u5c40\u53d8\u91cf（\u4ec5\u811a\u672c\u5185\u4f7f\u7528，\u65e0\u9700\u9875\u9762\u54cd\u5e94）
      \nlet socket = null; \/\/ WebSocket\u5b9e\u4f8b
      \nlet peerConnection = null; \/\/ WebRTC\u6838\u5fc3\u5b9e\u4f8b
      \nlet localStream = null; \/\/ \u672c\u5730\u97f3\u89c6\u9891\u6d41（\u7528\u4e8e\u540e\u7eed\u505c\u6b62\u6d41）
      \n<\/script><\/p>\n

        \n
      • ref<\/span><\/span>：\u521b\u5efa\u54cd\u5e94\u5f0f\u53d8\u91cf，\u53d8\u91cf\u503c\u53d8\u5316\u65f6，\u9875\u9762\u4f1a\u81ea\u52a8\u66f4\u65b0（\u6bd4\u5982 socketConnected<\/span><\/span> \u53d8\u4e3a true，\u547c\u53eb\u533a\u57df\u4f1a\u663e\u793a）；<\/li>\n<\/ul>\n
          \n
        • onUnmounted<\/span><\/span>：\u9875\u9762\u9500\u6bc1\u65f6\u6267\u884c\u7684\u94a9\u5b50，\u7528\u4e8e\u6e05\u7406\u8d44\u6e90（\u907f\u514d\u5185\u5b58\u6cc4\u6f0f）；<\/li>\n<\/ul>\n
            \n
          • localStream<\/span><\/span>：\u989d\u5916\u5b9a\u4e49\u672c\u5730\u6d41\u53d8\u91cf，\u65b9\u4fbf\u540e\u7eed \u201c\u6302\u65ad\u201d \u65f6\u505c\u6b62\u6444\u50cf\u5934 \/ \u9ea6\u514b\u98ce\u3002<\/li>\n<\/ul>\n

            \u6b65\u9aa4 2：\u914d\u7f6e STUN \u670d\u52a1\u5668 + \u7f16\u5199 WebSocket \u8fde\u63a5\u51fd\u6570<\/p>\n

            <script setup>
            \n\/\/ （\u63a5\u4e0a\u4e00\u6b65\u4ee3\u7801）<\/p>\n

            \/\/ 5. \u914d\u7f6e STUN \u670d\u52a1\u5668（WebRTC \u5fc5\u9700，\u7528\u4e8e\u83b7\u53d6\u516c\u7f51ICE\u5019\u9009）
            \nconst iceServers = {
            \n iceServers: [
            \n { urls: 'stun:stun.l.google.com:19302' }, \/\/ \u8c37\u6b4c\u514d\u8d39STUN（\u9700\u5916\u7f51）
            \n { urls: 'stun:stun.qq.com:3478' }, \/\/ \u817e\u8baf\u514d\u8d39STUN（\u56fd\u5185\u66f4\u7a33\u5b9a）
            \n { urls: 'stun:stun.aliyun.com:3478' } \/\/ \u963f\u91cc\u4e91\u514d\u8d39STUN（\u5907\u7528）
            \n ]
            \n};<\/p>\n

            \/\/ 6. \u8fde\u63a5 WebSocket \u670d\u52a1\u5668\u51fd\u6570（\u70b9\u51fb\u201c\u8fde\u63a5\u670d\u52a1\u5668\u201d\u6309\u94ae\u89e6\u53d1）
            \nconst connect = () => {
            \n \/\/ \u6821\u9a8c：\u7528\u6237ID\u4e0d\u80fd\u4e3a\u7a7a
            \n if (!userId.value.trim()) {
            \n alert('\u8bf7\u8f93\u5165\u4f60\u7684\u7528\u6237ID！（\u4e0d\u80fd\u4e3a\u7a7a\/\u4ec5\u7a7a\u683c）');
            \n return;
            \n }<\/p>\n

            \/\/ \u521b\u5efa WebSocket \u8fde\u63a5（Netty\u670d\u52a1\u7aef\u5730\u5740：ws:\/\/localhost:8081\/ws）
            \n \/\/ \u6ce8\u610f：\u5982\u679c\u670d\u52a1\u7aef\u90e8\u7f72\u5728\u5176\u4ed6\u673a\u5668，\u9700\u66ff\u6362\u4e3a\u5bf9\u5e94IP（\u5982 ws:\/\/192.168.1.100:8081\/ws）
            \n socket = new WebSocket(`ws:\/\/localhost:8081\/ws`);<\/p>\n

            \/\/ 6.1 \u8fde\u63a5\u6210\u529f\u56de\u8c03
            \n socket.onopen = () => {
            \n console.log('\u2705 WebSocket\u8fde\u63a5\u6210\u529f');
            \n socketConnected.value = true; \/\/ \u66f4\u65b0\u8fde\u63a5\u72b6\u6001，\u663e\u793a\u547c\u53eb\u533a\u57df
            \n \/\/ \u53d1\u9001\u6ce8\u518c\u6d88\u606f：\u544a\u8bc9\u670d\u52a1\u7aef\u201c\u6211\u4e0a\u7ebf\u4e86\u201d
            \n sendMessage({
            \n type: 'register',
            \n from: userId.value,
            \n to: '',
            \n data: ''
            \n });
            \n };<\/p>\n

            \/\/ 6.2 \u63a5\u6536\u670d\u52a1\u7aef\u6d88\u606f\u56de\u8c03（\u6838\u5fc3：\u5904\u7406\u8f6c\u53d1\u7684\u4fe1\u4ee4）
            \n socket.onmessage = (e) => {
            \n try {
            \n const message = JSON.parse(e.data); \/\/ \u89e3\u6790JSON\u6d88\u606f
            \n console.log('📥 \u6536\u5230\u670d\u52a1\u7aef\u6d88\u606f：', message);
            \n handleMessage(message); \/\/ \u4e13\u95e8\u5904\u7406\u6d88\u606f\u7684\u51fd\u6570（\u540e\u7eed\u5b9a\u4e49）
            \n } catch (err) {
            \n console.error('\u274c \u6d88\u606f\u89e3\u6790\u5931\u8d25：', err);
            \n }
            \n };<\/p>\n

            \/\/ 6.3 \u8fde\u63a5\u5173\u95ed\u56de\u8c03
            \n socket.onclose = () => {
            \n console.log('\u274c WebSocket\u8fde\u63a5\u5173\u95ed');
            \n socketConnected.value = false; \/\/ \u66f4\u65b0\u8fde\u63a5\u72b6\u6001，\u9690\u85cf\u547c\u53eb\u533a\u57df
            \n };<\/p>\n

            \/\/ 6.4 \u8fde\u63a5\u9519\u8bef\u56de\u8c03
            \n socket.onerror = (err) => {
            \n console.error('\u274c WebSocket\u8fde\u63a5\u9519\u8bef：', err);
            \n socketConnected.value = false;
            \n alert('\u8fde\u63a5\u670d\u52a1\u5668\u5931\u8d25！\u8bf7\u68c0\u67e5\u670d\u52a1\u7aef\u662f\u5426\u542f\u52a8，\u7aef\u53e3\u662f\u5426\u6b63\u786e\u3002');
            \n };
            \n};
            \n<\/script><\/p>\n

              \n
            • STUN \u670d\u52a1\u5668：\u5fc5\u987b\u914d\u7f6e，\u5426\u5219\u5185\u7f51\u8bbe\u5907\u65e0\u6cd5\u627e\u5230\u5f7c\u6b64\u7684\u7f51\u7edc\u5730\u5740，\u5bfc\u81f4\u89c6\u9891\u65e0\u6cd5\u8fde\u63a5；<\/li>\n<\/ul>\n
                \n
              • trim()<\/span><\/span>：\u53bb\u9664\u7528\u6237 ID \u524d\u540e\u7a7a\u683c，\u907f\u514d\u7528\u6237\u8f93\u5165\u7a7a\u5b57\u7b26 \/ \u4ec5\u7a7a\u683c；<\/li>\n<\/ul>\n
                  \n
                • try-catch<\/span><\/span>：\u9632\u6b62\u670d\u52a1\u7aef\u8fd4\u56de\u975e JSON \u683c\u5f0f\u6d88\u606f，\u5bfc\u81f4\u811a\u672c\u5d29\u6e83；<\/li>\n<\/ul>\n
                    \n
                  • WebSocket \u5730\u5740：ws:\/\/<\/span><\/span> \u5bf9\u5e94 HTTP，wss:\/\/<\/span><\/span> \u5bf9\u5e94 HTTPS，\u672c\u5730\u6d4b\u8bd5\u7528 ws:\/\/<\/span><\/span> \u5373\u53ef\u3002<\/li>\n<\/ul>\n

                    \u6b65\u9aa43：\u7f16\u5199\u901a\u7528\u6d88\u606f\u53d1\u9001\u51fd\u6570<\/p>\n

                    <script setup>
                    \n\/\/ （\u63a5\u4e0a\u4e00\u6b65\u4ee3\u7801）<\/p>\n

                    \/\/ 7. \u901a\u7528\u53d1\u9001WebSocket\u6d88\u606f\u51fd\u6570（\u590d\u7528，\u907f\u514d\u91cd\u590d\u4ee3\u7801）
                    \nconst sendMessage = (message) => {
                    \n \/\/ \u6821\u9a8c：WebSocket\u5fc5\u987b\u5904\u4e8e\u6253\u5f00\u72b6\u6001
                    \n if (socket && socket.readyState === WebSocket.OPEN) {
                    \n socket.send(JSON.stringify(message)); \/\/ \u8f6c\u4e3aJSON\u5b57\u7b26\u4e32\u53d1\u9001
                    \n console.log('📤 \u53d1\u9001\u6d88\u606f：', message);
                    \n } else {
                    \n console.error('\u274c WebSocket\u672a\u8fde\u63a5，\u65e0\u6cd5\u53d1\u9001\u6d88\u606f');
                    \n alert('\u672a\u8fde\u63a5\u670d\u52a1\u5668，\u8bf7\u5148\u70b9\u51fb\u201c\u8fde\u63a5\u670d\u52a1\u5668\u201d！');
                    \n }
                    \n};
                    \n<\/script><\/p>\n

                      \n
                    • WebSocket.OPEN<\/span><\/span>：\u72b6\u6001\u7801\u4e3a 1，\u8868\u793a\u8fde\u63a5\u5df2\u6253\u5f00；\u5176\u4ed6\u72b6\u6001（0 = \u8fde\u63a5\u4e2d，2 = \u5173\u95ed\u4e2d，3 = \u5df2\u5173\u95ed）\u90fd\u65e0\u6cd5\u53d1\u9001\u6d88\u606f；<\/li>\n<\/ul>\n
                        \n
                      • \u5c01\u88c5\u6210\u901a\u7528\u51fd\u6570：\u540e\u7eed\u53d1\u9001 call\/answer\/ice \u6d88\u606f\u65f6，\u76f4\u63a5\u8c03\u7528\u5373\u53ef，\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\u3002<\/li>\n<\/ul>\n

                        \u6b65\u9aa4 4：\u7f16\u5199\u6d88\u606f\u5904\u7406\u51fd\u6570<\/p>\n

                        <script setup>
                        \n\/\/ （\u63a5\u4e0a\u4e00\u6b65\u4ee3\u7801）<\/p>\n

                        \/\/ 8. \u5904\u7406\u6536\u5230\u7684\u4fe1\u4ee4\u6d88\u606f
                        \nconst handleMessage = async (message) => {
                        \n switch (message.type) {
                        \n case 'call':
                        \n \/\/ \u6536\u5230\u547c\u53eb\u8bf7\u6c42：\u81ea\u52a8\u5e94\u7b54（\u5b9e\u9645\u9879\u76ee\u53ef\u52a0\u201c\u662f\u5426\u63a5\u542c\u201d\u5f39\u7a97）
                        \n await answerCall(message);
                        \n break;
                        \n case 'answer':
                        \n \/\/ \u6536\u5230\u5e94\u7b54\u6d88\u606f：\u8bbe\u7f6e\u8fdc\u7a0bSDP
                        \n await setRemoteSDP(message.data);
                        \n break;
                        \n case 'ice':
                        \n \/\/ \u6536\u5230ICE\u5019\u9009：\u6dfb\u52a0\u5230PeerConnection
                        \n await addIceCandidate(message.data);
                        \n break;
                        \n default:
                        \n console.log('📌 \u672a\u77e5\u6d88\u606f\u7c7b\u578b：', message.type);
                        \n }
                        \n};
                        \n<\/script><\/p>\n

                        \u8981\u70b9<\/span><\/span>：<\/p>\n

                          \n
                        • \u6309\u6d88\u606f\u7c7b\u578b\u5206\u652f\u5904\u7406：\u5bf9\u5e94\u670d\u52a1\u7aef\u7684 register\/call\/answer\/ice<\/span><\/span> \u56db\u79cd\u7c7b\u578b；<\/li>\n
                        • async\/await<\/span><\/span>：\u540e\u7eed\u64cd\u4f5c（\u5982\u8bbe\u7f6e SDP）\u662f\u5f02\u6b65\u7684，\u9700\u7b49\u5f85\u5b8c\u6210，\u907f\u514d\u62a5\u9519\u3002<\/li>\n<\/ul>\n

                          \u6b65\u9aa4 5：\u7f16\u5199 WebRTC \u6838\u5fc3\u51fd\u6570<\/p>\n

                          <script setup>
                          \n\/\/ （\u63a5\u4e0a\u4e00\u6b65\u4ee3\u7801）<\/p>\n

                          \/\/ 9. \u521d\u59cb\u5316 PeerConnection（WebRTC\u6838\u5fc3，\u590d\u7528\u51fd\u6570）
                          \nconst initPeerConnection = async () => {
                          \n \/\/ \u5982\u679c\u5df2\u6709PeerConnection，\u5148\u5173\u95ed（\u907f\u514d\u91cd\u590d\u521b\u5efa）
                          \n if (peerConnection) {
                          \n peerConnection.close();
                          \n }
                          \n \/\/ \u521b\u5efaPeerConnection\u5b9e\u4f8b（\u4f20\u5165STUN\u670d\u52a1\u5668\u914d\u7f6e）
                          \n peerConnection = new RTCPeerConnection(iceServers);<\/p>\n

                          \/\/ 9.1 \u76d1\u542cICE\u5019\u9009\u751f\u6210\u4e8b\u4ef6（\u672c\u5730\u7f51\u7edc\u5730\u5740）
                          \n peerConnection.onicecandidate = (e) => {
                          \n if (e.candidate) {
                          \n \/\/ \u53d1\u9001ICE\u5019\u9009\u7ed9\u5bf9\u65b9
                          \n sendMessage({
                          \n type: 'ice',
                          \n from: userId.value,
                          \n to: targetUserId.value,
                          \n data: JSON.stringify(e.candidate)
                          \n });
                          \n }
                          \n };<\/p>\n

                          \/\/ 9.2 \u76d1\u542c\u8fdc\u7a0b\u97f3\u89c6\u9891\u6d41\u5230\u8fbe\u4e8b\u4ef6（\u5173\u952e：\u663e\u793a\u5bf9\u65b9\u89c6\u9891）
                          \n peerConnection.ontrack = (e) => {
                          \n \/\/ \u5c06\u8fdc\u7a0b\u6d41\u7ed1\u5b9a\u5230\u8fdc\u7a0b\u89c6\u9891DOM
                          \n remoteVideo.value.srcObject = e.streams[0];
                          \n console.log('🎥 \u6536\u5230\u8fdc\u7a0b\u97f3\u89c6\u9891\u6d41');
                          \n };
                          \n};<\/p>\n

                          \/\/ 10. \u53d1\u8d77\u89c6\u9891\u547c\u53eb\u51fd\u6570（\u70b9\u51fb\u201c\u53d1\u8d77\u89c6\u9891\u547c\u53eb\u201d\u6309\u94ae\u89e6\u53d1）
                          \nconst call = async () => {
                          \n \/\/ \u6821\u9a8c：\u5bf9\u65b9ID\u4e0d\u80fd\u4e3a\u7a7a
                          \n if (!targetUserId.value.trim()) {
                          \n alert('\u8bf7\u8f93\u5165\u5bf9\u65b9\u7528\u6237ID！');
                          \n return;
                          \n }<\/p>\n

                          try {
                          \n \/\/ \u521d\u59cb\u5316PeerConnection
                          \n await initPeerConnection();
                          \n \/\/ \u83b7\u53d6\u672c\u5730\u97f3\u89c6\u9891\u6d41（\u8bf7\u6c42\u6444\u50cf\u5934\/\u9ea6\u514b\u98ce\u6743\u9650）
                          \n localStream = await navigator.mediaDevices.getUserMedia({
                          \n video: true, \/\/ \u5f00\u542f\u89c6\u9891
                          \n audio: true \/\/ \u5f00\u542f\u97f3\u9891
                          \n });
                          \n \/\/ \u5c06\u672c\u5730\u6d41\u7ed1\u5b9a\u5230\u672c\u5730\u89c6\u9891DOM
                          \n localVideo.value.srcObject = localStream;
                          \n \/\/ \u5c06\u97f3\u89c6\u9891\u8f68\u9053\u6dfb\u52a0\u5230PeerConnection（\u4f20\u7ed9\u5bf9\u65b9）
                          \n localStream.getTracks().forEach(track => {
                          \n peerConnection.addTrack(track, localStream);
                          \n });<\/p>\n

                          \/\/ \u521b\u5efaSDP\u63d0\u8bae（offer）：\u5305\u542b\u672c\u5730\u97f3\u89c6\u9891\u914d\u7f6e
                          \n const offer = await peerConnection.createOffer();
                          \n \/\/ \u8bbe\u7f6e\u672c\u5730SDP
                          \n await peerConnection.setLocalDescription(offer);
                          \n \/\/ \u53d1\u9001\u547c\u53eb\u4fe1\u4ee4（\u542bSDP offer）\u7ed9\u5bf9\u65b9
                          \n sendMessage({
                          \n type: 'call',
                          \n from: userId.value,
                          \n to: targetUserId.value,
                          \n data: JSON.stringify(offer)
                          \n });
                          \n console.log('📞 \u53d1\u8d77\u89c6\u9891\u547c\u53eb：', targetUserId.value);
                          \n } catch (err) {
                          \n console.error('\u274c \u53d1\u8d77\u547c\u53eb\u5931\u8d25：', err);
                          \n alert('\u53d1\u8d77\u547c\u53eb\u5931\u8d25！\u8bf7\u68c0\u67e5\u6444\u50cf\u5934\/\u9ea6\u514b\u98ce\u6743\u9650，\u6216\u662f\u5426\u5df2\u8fde\u63a5\u670d\u52a1\u5668\u3002');
                          \n }
                          \n};<\/p>\n

                          \/\/ 11. \u5e94\u7b54\u547c\u53eb\u8bf7\u6c42\u51fd\u6570
                          \nconst answerCall = async (message) => {
                          \n \/\/ \u8bb0\u5f55\u547c\u53eb\u65b9ID（\u540e\u7eed\u53d1\u9001\u5e94\u7b54\/ICE\u6d88\u606f\u9700\u8981）
                          \n targetUserId.value = message.from;
                          \n try {
                          \n \/\/ \u521d\u59cb\u5316PeerConnection
                          \n await initPeerConnection();
                          \n \/\/ \u83b7\u53d6\u672c\u5730\u97f3\u89c6\u9891\u6d41
                          \n localStream = await navigator.mediaDevices.getUserMedia({
                          \n video: true,
                          \n audio: true
                          \n });
                          \n localVideo.value.srcObject = localStream;
                          \n localStream.getTracks().forEach(track => {
                          \n peerConnection.addTrack(track, localStream);
                          \n });<\/p>\n

                          \/\/ \u8bbe\u7f6e\u8fdc\u7a0bSDP（\u547c\u53eb\u65b9\u7684offer）
                          \n await peerConnection.setRemoteDescription(JSON.parse(message.data));
                          \n \/\/ \u521b\u5efaSDP\u5e94\u7b54（answer）
                          \n const answer = await peerConnection.createAnswer();
                          \n \/\/ \u8bbe\u7f6e\u672c\u5730SDP
                          \n await peerConnection.setLocalDescription(answer);
                          \n \/\/ \u53d1\u9001\u5e94\u7b54\u4fe1\u4ee4\u7ed9\u547c\u53eb\u65b9
                          \n sendMessage({
                          \n type: 'answer',
                          \n from: userId.value,
                          \n to: targetUserId.value,
                          \n data: JSON.stringify(answer)
                          \n });
                          \n console.log('📞 \u5e94\u7b54\u89c6\u9891\u547c\u53eb：', targetUserId.value);
                          \n } catch (err) {
                          \n console.error('\u274c \u5e94\u7b54\u547c\u53eb\u5931\u8d25：', err);
                          \n alert('\u5e94\u7b54\u547c\u53eb\u5931\u8d25！');
                          \n }
                          \n};<\/p>\n

                          \/\/ 12. \u8bbe\u7f6e\u8fdc\u7a0bSDP\u51fd\u6570
                          \nconst setRemoteSDP = async (sdpStr) => {
                          \n try {
                          \n const sdp = JSON.parse(sdpStr);
                          \n await peerConnection.setRemoteDescription(new RTCSessionDescription(sdp));
                          \n console.log('\u2705 \u8bbe\u7f6e\u8fdc\u7a0bSDP\u6210\u529f');
                          \n } catch (err) {
                          \n console.error('\u274c \u8bbe\u7f6e\u8fdc\u7a0bSDP\u5931\u8d25：', err);
                          \n }
                          \n};<\/p>\n

                          \/\/ 13. \u6dfb\u52a0ICE\u5019\u9009\u51fd\u6570
                          \nconst addIceCandidate = async (iceStr) => {
                          \n try {
                          \n const ice = JSON.parse(iceStr);
                          \n await peerConnection.addIceCandidate(new RTCIceCandidate(ice));
                          \n console.log('\u2705 \u6dfb\u52a0ICE\u5019\u9009\u6210\u529f');
                          \n } catch (err) {
                          \n console.error('\u274c \u6dfb\u52a0ICE\u5019\u9009\u5931\u8d25：', err);
                          \n }
                          \n};
                          \n<\/script><\/p>\n

                            \n
                          • getUserMedia<\/span><\/span>：\u6d4f\u89c8\u5668\u539f\u751f API，\u8bf7\u6c42\u97f3\u89c6\u9891\u6743\u9650，\u8fd4\u56de\u672c\u5730\u6d41；\u5982\u679c\u7528\u6237\u62d2\u7edd\u6743\u9650，\u4f1a\u629b\u51fa\u9519\u8bef，\u6240\u4ee5\u7528 try-catch<\/span><\/span> \u5305\u88f9；<\/li>\n<\/ul>\n
                              \n
                            • PeerConnection<\/span><\/span>：WebRTC \u7684\u6838\u5fc3\u5bf9\u8c61，\u8d1f\u8d23\u534f\u5546\u8fde\u63a5\u3001\u4f20\u8f93\u97f3\u89c6\u9891\u6d41；<\/li>\n<\/ul>\n
                                \n
                              • ontrack<\/span><\/span> \u4e8b\u4ef6：\u5bf9\u65b9\u7684\u97f3\u89c6\u9891\u6d41\u5230\u8fbe\u65f6\u89e6\u53d1，\u5c06\u6d41\u7ed1\u5b9a\u5230 remoteVideo<\/span><\/span> \u5373\u53ef\u663e\u793a\u5bf9\u65b9\u753b\u9762；<\/li>\n<\/ul>\n
                                  \n
                                • onicecandidate<\/span><\/span> \u4e8b\u4ef6：\u672c\u5730\u751f\u6210\u7f51\u7edc\u5730\u5740（ICE \u5019\u9009）\u65f6\u89e6\u53d1，\u53d1\u9001\u7ed9\u5bf9\u65b9，\u53cc\u65b9\u624d\u80fd\u5efa\u7acb P2P \u8fde\u63a5\u3002<\/li>\n<\/ul>\n

                                  \u6b65\u9aa46：\u7f16\u5199\u8d44\u6e90\u6e05\u7406\u51fd\u6570<\/p>\n

                                  <script setup>
                                  \n\/\/ （\u63a5\u4e0a\u4e00\u6b65\u4ee3\u7801）<\/p>\n

                                  \/\/ 14. \u9875\u9762\u9500\u6bc1\u65f6\u6e05\u7406\u8d44\u6e90（\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\/\u8bbe\u5907\u5360\u7528）
                                  \nonUnmounted(() => {
                                  \n \/\/ \u5173\u95edWebSocket\u8fde\u63a5
                                  \n if (socket) {
                                  \n socket.close();
                                  \n console.log('🔌 \u5173\u95edWebSocket\u8fde\u63a5');
                                  \n }
                                  \n \/\/ \u5173\u95edPeerConnection
                                  \n if (peerConnection) {
                                  \n peerConnection.close();
                                  \n console.log('🔌 \u5173\u95edPeerConnection');
                                  \n }
                                  \n \/\/ \u505c\u6b62\u672c\u5730\u97f3\u89c6\u9891\u6d41（\u91ca\u653e\u6444\u50cf\u5934\/\u9ea6\u514b\u98ce）
                                  \n if (localStream) {
                                  \n localStream.getTracks().forEach(track => {
                                  \n track.stop();
                                  \n console.log('🔇 \u505c\u6b62\u672c\u5730\u97f3\u89c6\u9891\u6d41');
                                  \n });
                                  \n }
                                  \n});
                                  \n<\/script><\/p>\n

                                    \n
                                  • \u5fc5\u987b\u505c\u6b62\u672c\u5730\u6d41：\u5426\u5219\u9875\u9762\u5173\u95ed\u540e，\u6444\u50cf\u5934 \/ \u9ea6\u514b\u98ce\u4ecd\u4f1a\u88ab\u5360\u7528（\u6d4f\u89c8\u5668\u6807\u7b7e\u680f\u4f1a\u663e\u793a\u6444\u50cf\u5934\u56fe\u6807）；<\/li>\n<\/ul>\n
                                      \n
                                    • onUnmounted<\/span><\/span>：Vue3 \u7684\u751f\u547d\u5468\u671f\u94a9\u5b50，\u9875\u9762\u9500\u6bc1\u65f6\u81ea\u52a8\u6267\u884c，\u786e\u4fdd\u8d44\u6e90\u5168\u90e8\u6e05\u7406\u3002<\/li>\n<\/ul>\n

                                      4.3\u00a0\u8865\u5145 \u201c\u6302\u65ad\u201d \u529f\u80fd<\/h3>\n

                                      \u5728 video-container<\/span><\/span> \u4e0a\u65b9\u6dfb\u52a0：<\/p>\n

                                      <!– \u6302\u65ad\u6309\u94ae（\u4ec5\u8fde\u63a5\u6210\u529f\u4e14\u6709\u8fdc\u7a0b\u6d41\u65f6\u663e\u793a） –>
                                      \n<div class="input-group" v-if="socketConnected && remoteVideo.value?.srcObject">
                                      \n <button @click="hangUp" style="background: #e53935;">\u6302\u65ad\u901a\u8bdd<\/button>
                                      \n<\/div><\/p>\n

                                      \u811a\u672c\u6dfb\u52a0\u6302\u65ad\u51fd\u6570<\/p>\n

                                      <script setup>
                                      \n\/\/ （\u6dfb\u52a0\u5728 initPeerConnection \u4e4b\u540e）<\/p>\n

                                      \/\/ 15. \u6302\u65ad\u901a\u8bdd\u51fd\u6570
                                      \nconst hangUp = () => {
                                      \n \/\/ \u505c\u6b62\u672c\u5730\u6d41
                                      \n if (localStream) {
                                      \n localStream.getTracks().forEach(track => track.stop());
                                      \n localVideo.value.srcObject = null; \/\/ \u6e05\u7a7a\u672c\u5730\u89c6\u9891
                                      \n }
                                      \n \/\/ \u6e05\u7a7a\u8fdc\u7a0b\u89c6\u9891
                                      \n if (remoteVideo.value) {
                                      \n remoteVideo.value.srcObject = null;
                                      \n }
                                      \n \/\/ \u5173\u95edPeerConnection
                                      \n if (peerConnection) {
                                      \n peerConnection.close();
                                      \n peerConnection = null;
                                      \n }
                                      \n \/\/ \u91cd\u7f6e\u76ee\u6807\u7528\u6237ID
                                      \n targetUserId.value = '';
                                      \n console.log('📞 \u6302\u65ad\u901a\u8bdd');
                                      \n alert('\u5df2\u6302\u65ad\u901a\u8bdd！');
                                      \n};
                                      \n<\/script><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

                                      \u5b9e\u65f6\u97f3\u89c6\u9891\u804a\u5929\u662f\u5f53\u4e0b\u793e\u4ea4\u3001\u5728\u7ebf\u534f\u4f5c\u7c7b\u5e94\u7528\u7684\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00，WebRTC（Web Real-Time Communication）\u4f5c\u4e3a\u6d4f\u89c8\u5668\u539f\u751f\u652f\u6301\u7684\u5b9e\u65f6\u901a\u4fe1\u6280\u672f，\u80fd\u8ba9\u524d\u7aef\u65e0\u9700\u63d2\u4ef6\u5373\u53ef\u5b9e\u73b0\u70b9\u5bf9\u70b9\u97f3\u89c6\u9891\u4f20\u8f93；\u800c Netty \u4f5c\u4e3a\u9ad8\u6027\u80fd\u7684 Java NIO \u6846\u67b6，\u53ef\u63d0\u4f9b\u7a33\u5b9a\u7684 WebSocket \u901a\u4fe1\u901a\u9053，\u914d\u5408 SpringBoot \u7684\u5feb\u901f\u5f00\u53d1\u80fd\u529b\u548c Vue \u7684\u524d\u7aef\u5de5\u7a0b\u5316\u80fd\u529b&#xff0<\/p>\n","protected":false},"author":2,"featured_media":78024,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[98,625,947],"topic":[],"class_list":["post-78025","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-spring-boot","tag-vue-js","tag-websocket"],"yoast_head":"\nSpringBoot+Vue+Netty+WebSocket+WebRTC \u5b9e\u73b0\u89c6\u9891\u804a\u5929 - 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