{"id":52147,"date":"2025-08-11T10:37:26","date_gmt":"2025-08-11T02:37:26","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/52147.html"},"modified":"2025-08-11T10:37:26","modified_gmt":"2025-08-11T02:37:26","slug":"%e5%9f%ba%e4%ba%8espring-boot%e5%92%8cwebsocket%e7%9a%84%e5%ae%9e%e6%97%b6%e8%81%8a%e5%a4%a9%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/52147.html","title":{"rendered":"\u57fa\u4e8eSpring Boot\u548cWebSocket\u7684\u5b9e\u65f6\u804a\u5929\u7cfb\u7edf"},"content":{"rendered":"

\u4e00\u3001\u9879\u76ee\u67b6\u6784\u8bbe\u8ba1<\/h3>\n

1. \u6280\u672f\u6808\u7ec4\u6210<\/h4>\n\n\u7ec4\u4ef6\u7528\u9014\u7248\u672c<\/tr>\n\n\n\n\n\n\n\n\n\n
Spring Boot<\/td>\n\u57fa\u7840\u6846\u67b6<\/td>\n2.7.x<\/td>\n<\/tr>\n
javax.websocket<\/td>\nWebSocket\u5b9e\u73b0<\/td>\nJSR-356<\/td>\n<\/tr>\n
Mybatis-Plus<\/td>\n\u6570\u636e\u6301\u4e45\u5316<\/td>\n3.5.x<\/td>\n<\/tr>\n
Redis<\/td>\n\u7f13\u5b58\/\u6d88\u606f\u961f\u5217<\/td>\n6.2.x<\/td>\n<\/tr>\n
MongoDB<\/td>\n\u804a\u5929\u8bb0\u5f55\u5b58\u50a8<\/td>\n5.0.x<\/td>\n<\/tr>\n
MinIO<\/td>\n\u6587\u4ef6\u5b58\u50a8<\/td>\n8.0.x<\/td>\n<\/tr>\n
Kafka<\/td>\n\u6d88\u606f\u5206\u53d1<\/td>\n2.8.x<\/td>\n<\/tr>\n
OAuth2<\/td>\n\u8ba4\u8bc1\u6388\u6743<\/td>\n2.5.x<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. \u7cfb\u7edf\u67b6\u6784\u56fe<\/h4>\n

#mermaid-svg-gMZPM2eWE5TjzoLg {font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-gMZPM2eWE5TjzoLg .error-icon{fill:#552222;}#mermaid-svg-gMZPM2eWE5TjzoLg .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-gMZPM2eWE5TjzoLg .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-gMZPM2eWE5TjzoLg .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-gMZPM2eWE5TjzoLg .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-gMZPM2eWE5TjzoLg .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-gMZPM2eWE5TjzoLg .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-gMZPM2eWE5TjzoLg .marker{fill:#333333;stroke:#333333;}#mermaid-svg-gMZPM2eWE5TjzoLg .marker.cross{stroke:#333333;}#mermaid-svg-gMZPM2eWE5TjzoLg svg{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-gMZPM2eWE5TjzoLg .label{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;color:#333;}#mermaid-svg-gMZPM2eWE5TjzoLg .cluster-label text{fill:#333;}#mermaid-svg-gMZPM2eWE5TjzoLg .cluster-label span{color:#333;}#mermaid-svg-gMZPM2eWE5TjzoLg .label text,#mermaid-svg-gMZPM2eWE5TjzoLg span{fill:#333;color:#333;}#mermaid-svg-gMZPM2eWE5TjzoLg .node rect,#mermaid-svg-gMZPM2eWE5TjzoLg .node circle,#mermaid-svg-gMZPM2eWE5TjzoLg .node ellipse,#mermaid-svg-gMZPM2eWE5TjzoLg .node polygon,#mermaid-svg-gMZPM2eWE5TjzoLg .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-gMZPM2eWE5TjzoLg .node .label{text-align:center;}#mermaid-svg-gMZPM2eWE5TjzoLg .node.clickable{cursor:pointer;}#mermaid-svg-gMZPM2eWE5TjzoLg .arrowheadPath{fill:#333333;}#mermaid-svg-gMZPM2eWE5TjzoLg .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-gMZPM2eWE5TjzoLg .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-gMZPM2eWE5TjzoLg .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-gMZPM2eWE5TjzoLg .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-gMZPM2eWE5TjzoLg .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-gMZPM2eWE5TjzoLg .cluster text{fill:#333;}#mermaid-svg-gMZPM2eWE5TjzoLg .cluster span{color:#333;}#mermaid-svg-gMZPM2eWE5TjzoLg div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-gMZPM2eWE5TjzoLg :root{–mermaid-font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;}<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u5ba2\u6237\u7aefWebSocket\u8fde\u63a5Spring Boot\u670d\u52a1\u6d88\u606f\u5904\u7406\u5668MySQL: \u7528\u6237\/\u5173\u7cfbMongoDB: \u804a\u5929\u8bb0\u5f55Redis: \u5728\u7ebf\u72b6\u6001MinIO: \u6587\u4ef6\u5b58\u50a8Kafka: \u6d88\u606f\u5206\u53d1<\/p>\n

\u4e8c\u3001\u6838\u5fc3\u529f\u80fd\u5b9e\u73b0<\/h3>\n

1. WebSocket\u914d\u7f6e\u589e\u5f3a\u7248<\/h4>\n

@Configuration<\/span>
\n@EnableWebSocket<\/span>
\npublic<\/span> class<\/span> WebSocketConfig<\/span> implements<\/span> WebSocketConfigurer<\/span> {<\/span><\/p>\n

@Override<\/span>
\n public<\/span> void<\/span> registerWebSocketHandlers<\/span>(<\/span>WebSocketHandlerRegistry<\/span> registry)<\/span> {<\/span>
\n registry.<\/span>addHandler<\/span>(<\/span>chatWebSocketHandler<\/span>(<\/span>)<\/span>,<\/span> "\/websocket"<\/span>)<\/span>
\n .<\/span>setAllowedOrigins<\/span>(<\/span>"*"<\/span>)<\/span>
\n .<\/span>addInterceptors<\/span>(<\/span>new<\/span> AuthHandshakeInterceptor<\/span>(<\/span>)<\/span>)<\/span>
\n .<\/span>withSockJS<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

@Bean<\/span>
\n public<\/span> WebSocketHandler<\/span> chatWebSocketHandler<\/span>(<\/span>)<\/span> {<\/span>
\n return<\/span> new<\/span> ChatWebSocketHandler<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

@Bean<\/span>
\n public<\/span> ServletServerContainerFactoryBean<\/span> createWebSocketContainer<\/span>(<\/span>)<\/span> {<\/span>
\n ServletServerContainerFactoryBean<\/span> container =<\/span> new<\/span> ServletServerContainerFactoryBean<\/span>(<\/span>)<\/span>;<\/span>
\n container.<\/span>setMaxTextMessageBufferSize<\/span>(<\/span>8192<\/span>)<\/span>;<\/span>
\n container.<\/span>setMaxBinaryMessageBufferSize<\/span>(<\/span>8192<\/span>)<\/span>;<\/span>
\n container.<\/span>setMaxSessionIdleTimeout<\/span>(<\/span>600000L<\/span>)<\/span>;<\/span>
\n return<\/span> container;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

2. \u6d88\u606f\u5904\u7406\u5668\u5b9e\u73b0<\/h4>\n

public<\/span> class<\/span> ChatWebSocketHandler<\/span> extends<\/span> TextWebSocketHandler<\/span> {<\/span><\/p>\n

private<\/span> static<\/span> final<\/span> Map<\/span><<\/span>String<\/span>,<\/span> WebSocketSession<\/span>><\/span><\/span> sessions =<\/span> new<\/span> ConcurrentHashMap<\/span><<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>
\n private<\/span> final<\/span> ObjectMapper<\/span> objectMapper =<\/span> new<\/span> ObjectMapper<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

@Override<\/span>
\n public<\/span> void<\/span> afterConnectionEstablished<\/span>(<\/span>WebSocketSession<\/span> session)<\/span> {<\/span>
\n String<\/span> userId =<\/span> getUserIdFromSession<\/span>(<\/span>session)<\/span>;<\/span>
\n sessions.<\/span>put<\/span>(<\/span>userId,<\/span> session)<\/span>;<\/span>
\n updateOnlineStatus<\/span>(<\/span>userId,<\/span> true<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

@Override<\/span>
\n protected<\/span> void<\/span> handleTextMessage<\/span>(<\/span>WebSocketSession<\/span> session,<\/span> TextMessage<\/span> message)<\/span> {<\/span>
\n try<\/span> {<\/span>
\n ChatMessage<\/span> chatMessage =<\/span> objectMapper.<\/span>readValue<\/span>(<\/span>message.<\/span>getPayload<\/span>(<\/span>)<\/span>,<\/span> ChatMessage<\/span>.<\/span>class<\/span>)<\/span>;<\/span><\/p>\n

switch<\/span> (<\/span>chatMessage.<\/span>getType<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
\n case<\/span> HEARTBEAT:<\/span>
\n handleHeartbeat<\/span>(<\/span>session)<\/span>;<\/span>
\n break<\/span>;<\/span>
\n case<\/span> SINGLE_CHAT:<\/span>
\n handleSingleChat<\/span>(<\/span>chatMessage)<\/span>;<\/span>
\n break<\/span>;<\/span>
\n case<\/span> GROUP_CHAT:<\/span>
\n handleGroupChat<\/span>(<\/span>chatMessage)<\/span>;<\/span>
\n break<\/span>;<\/span>
\n case<\/span> READ_RECEIPT:<\/span>
\n handleReadReceipt<\/span>(<\/span>chatMessage)<\/span>;<\/span>
\n break<\/span>;<\/span>
\n case<\/span> FILE_UPLOAD:<\/span>
\n handleFileUpload<\/span>(<\/span>chatMessage)<\/span>;<\/span>
\n break<\/span>;<\/span>
\n }<\/span>
\n }<\/span> catch<\/span> (<\/span>Exception<\/span> e)<\/span> {<\/span>
\n log.<\/span>error<\/span>(<\/span>"\u6d88\u606f\u5904\u7406\u5f02\u5e38"<\/span>,<\/span> e)<\/span>;<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

private<\/span> void<\/span> handleHeartbeat<\/span>(<\/span>WebSocketSession<\/span> session)<\/span> {<\/span>
\n try<\/span> {<\/span>
\n session.<\/span>sendMessage<\/span>(<\/span>new<\/span> TextMessage<\/span>(<\/span>"{\\\\\\\\"<\/span>type\\\\\\\\":\\\\\\\\"<\/span>HEARTBEAT_RESPONSE\\\\\\\\"}"<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
\n log.<\/span>error<\/span>(<\/span>"\u5fc3\u8df3\u54cd\u5e94\u5931\u8d25"<\/span>,<\/span> e)<\/span>;<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

\/\/ \u5176\u4ed6\u5904\u7406\u65b9\u6cd5…<\/span>
\n}<\/span><\/p>\n

\u4e09\u3001\u5173\u952e\u4e1a\u52a1\u903b\u8f91\u5b9e\u73b0<\/h3>\n

1. \u6d88\u606f\u5b58\u50a8\u8bbe\u8ba1<\/h4>\n

MySQL\u8868\u7ed3\u6784<\/h4>\n

CREATE<\/span> TABLE<\/span> `<\/span>chat_message`<\/span> (<\/span>
\n `<\/span>id`<\/span> bigint<\/span> NOT<\/span> NULL<\/span> AUTO_INCREMENT<\/span>,<\/span>
\n `<\/span>msg_id`<\/span> varchar<\/span>(<\/span>64<\/span>)<\/span> NOT<\/span> NULL<\/span> COMMENT<\/span> '\u6d88\u606f\u552f\u4e00ID'<\/span>,<\/span>
\n `<\/span>sender_id`<\/span> varchar<\/span>(<\/span>64<\/span>)<\/span> NOT<\/span> NULL<\/span>,<\/span>
\n `<\/span>receiver_id`<\/span> varchar<\/span>(<\/span>64<\/span>)<\/span> NOT<\/span> NULL<\/span>,<\/span>
\n `<\/span>content`<\/span> text<\/span>,<\/span>
\n `<\/span>msg_type`<\/span> tinyint<\/span> NOT<\/span> NULL<\/span> COMMENT<\/span> '1-\u6587\u672c 2-\u56fe\u7247 3-\u89c6\u9891'<\/span>,<\/span>
\n `<\/span>status<\/span>`<\/span> tinyint<\/span> DEFAULT<\/span> '0'<\/span> COMMENT<\/span> '0-\u672a\u8bfb 1-\u5df2\u8bfb'<\/span>,<\/span>
\n `<\/span>created_at`<\/span> datetime<\/span> NOT<\/span> NULL<\/span>,<\/span>
\n PRIMARY<\/span> KEY<\/span> (<\/span>`<\/span>id`<\/span>)<\/span>,<\/span>
\n UNIQUE<\/span> KEY<\/span> `<\/span>uk_msg_id`<\/span> (<\/span>`<\/span>msg_id`<\/span>)<\/span>,<\/span>
\n KEY<\/span> `<\/span>idx_sender_receiver`<\/span> (<\/span>`<\/span>sender_id`<\/span>,<\/span>`<\/span>receiver_id`<\/span>)<\/span>
\n)<\/span> ENGINE<\/span>=<\/span>InnoDB<\/span> DEFAULT<\/span> CHARSET<\/span>=<\/span>utf8mb4;<\/span><\/p>\n

MongoDB\u6587\u6863\u7ed3\u6784<\/h4>\n

@Document<\/span>(<\/span>collection =<\/span> "chat_messages"<\/span>)<\/span>
\npublic<\/span> class<\/span> ChatMessageDocument<\/span> {<\/span>
\n @Id<\/span>
\n private<\/span> String<\/span> id;<\/span>
\n private<\/span> String<\/span> msgId;<\/span>
\n private<\/span> String<\/span> senderId;<\/span>
\n private<\/span> String<\/span> receiverId;<\/span>
\n private<\/span> String<\/span> content;<\/span>
\n private<\/span> MessageType<\/span> msgType;<\/span>
\n private<\/span> MessageStatus<\/span> status;<\/span>
\n private<\/span> Date<\/span> createdAt;<\/span>
\n private<\/span> List<\/span><<\/span>ReadReceipt<\/span>><\/span><\/span> readReceipts;<\/span><\/p>\n

\/\/ \u5d4c\u5957\u6587\u6863<\/span>
\n public<\/span> static<\/span> class<\/span> ReadReceipt<\/span> {<\/span>
\n private<\/span> String<\/span> userId;<\/span>
\n private<\/span> Date<\/span> readAt;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

2. \u6d88\u606f\u5206\u53d1\u6d41\u7a0b<\/h4>\n

@Service<\/span>
\n@RequiredArgsConstructor<\/span>
\npublic<\/span> class<\/span> MessageDispatcher<\/span> {<\/span><\/p>\n

private<\/span> final<\/span> KafkaTemplate<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span><\/span> kafkaTemplate;<\/span>
\n private<\/span> final<\/span> RedisTemplate<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span><\/span> redisTemplate;<\/span><\/p>\n

public<\/span> void<\/span> dispatch<\/span>(<\/span>ChatMessage<\/span> message)<\/span> {<\/span>
\n \/\/ \u5b58\u50a8\u6d88\u606f<\/span>
\n storeMessage<\/span>(<\/span>message)<\/span>;<\/span><\/p>\n

\/\/ \u5b9e\u65f6\u63a8\u9001<\/span>
\n if<\/span> (<\/span>isUserOnline<\/span>(<\/span>message.<\/span>getReceiverId<\/span>(<\/span>)<\/span>)<\/span>)<\/span> {<\/span>
\n realtimePush<\/span>(<\/span>message)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n \/\/ \u79bb\u7ebf\u7528\u6237\u901a\u8fc7\u63a8\u9001\u901a\u77e5<\/span>
\n pushNotification<\/span>(<\/span>message)<\/span>;<\/span>
\n }<\/span><\/p>\n

\/\/ \u53d1\u5f80Kafka\u505a\u540e\u7eed\u5904\u7406<\/span>
\n kafkaTemplate.<\/span>send<\/span>(<\/span>"chat-messages"<\/span>,<\/span> message.<\/span>getMsgId<\/span>(<\/span>)<\/span>,<\/span> serialize<\/span>(<\/span>message)<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

private<\/span> boolean<\/span> isUserOnline<\/span>(<\/span>String<\/span> userId)<\/span> {<\/span>
\n return<\/span> redisTemplate.<\/span>opsForValue<\/span>(<\/span>)<\/span>.<\/span>get<\/span>(<\/span>"user:online:"<\/span> +<\/span> userId)<\/span> !=<\/span> null<\/span>;<\/span>
\n }<\/span><\/p>\n

private<\/span> void<\/span> realtimePush<\/span>(<\/span>ChatMessage<\/span> message)<\/span> {<\/span>
\n WebSocketSession<\/span> session =<\/span> sessions.<\/span>get<\/span>(<\/span>message.<\/span>getReceiverId<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n if<\/span> (<\/span>session !=<\/span> null<\/span> &&<\/span> session.<\/span>isOpen<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
\n try<\/span> {<\/span>
\n session.<\/span>sendMessage<\/span>(<\/span>new<\/span> TextMessage<\/span>(<\/span>serialize<\/span>(<\/span>message)<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
\n log.<\/span>error<\/span>(<\/span>"\u6d88\u606f\u63a8\u9001\u5931\u8d25"<\/span>,<\/span> e)<\/span>;<\/span>
\n }<\/span>
\n }<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u56db\u3001\u9ad8\u7ea7\u529f\u80fd\u5b9e\u73b0<\/h3>\n

1. \u5fc3\u8df3\u68c0\u6d4b\u673a\u5236<\/h4>\n

@Scheduled<\/span>(<\/span>fixedRate =<\/span> 30000<\/span>)<\/span>
\npublic<\/span> void<\/span> checkHeartbeat<\/span>(<\/span>)<\/span> {<\/span>
\n long<\/span> now =<\/span> System<\/span>.<\/span>currentTimeMillis<\/span>(<\/span>)<\/span>;<\/span>
\n sessions.<\/span>forEach<\/span>(<\/span>(<\/span>userId,<\/span> session)<\/span> -><\/span> {<\/span>
\n Long<\/span> lastHeartbeat =<\/span> heartbeatTimestamps.<\/span>get<\/span>(<\/span>userId)<\/span>;<\/span>
\n if<\/span> (<\/span>lastHeartbeat ==<\/span> null<\/span> ||<\/span> now –<\/span> lastHeartbeat ><\/span> 60000<\/span>)<\/span> {<\/span>
\n try<\/span> {<\/span>
\n session.<\/span>close<\/span>(<\/span>CloseStatus<\/span>.<\/span>SESSION_NOT_RELIABLE)<\/span>;<\/span>
\n sessions.<\/span>remove<\/span>(<\/span>userId)<\/span>;<\/span>
\n updateOnlineStatus<\/span>(<\/span>userId,<\/span> false<\/span>)<\/span>;<\/span>
\n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
\n log.<\/span>error<\/span>(<\/span>"\u5173\u95ed\u4f1a\u8bdd\u5931\u8d25"<\/span>,<\/span> e)<\/span>;<\/span>
\n }<\/span>
\n }<\/span>
\n }<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

2. \u6d88\u606f\u5df2\u8bfb\u56de\u6267<\/h4>\n

public<\/span> void<\/span> handleReadReceipt<\/span>(<\/span>ChatMessage<\/span> message)<\/span> {<\/span>
\n \/\/ \u66f4\u65b0MySQL\u4e2d\u7684\u6d88\u606f\u72b6\u6001<\/span>
\n chatMessageMapper.<\/span>updateStatusByMsgId<\/span>(<\/span>message.<\/span>getMsgId<\/span>(<\/span>)<\/span>,<\/span> MessageStatus<\/span>.<\/span>READ)<\/span>;<\/span><\/p>\n

\/\/ \u66f4\u65b0MongoDB\u4e2d\u7684\u9605\u8bfb\u72b6\u6001<\/span>
\n Query<\/span> query =<\/span> Query<\/span>.<\/span>query<\/span>(<\/span>Criteria<\/span>.<\/span>where<\/span>(<\/span>"msgId"<\/span>)<\/span>.<\/span>is<\/span>(<\/span>message.<\/span>getMsgId<\/span>(<\/span>)<\/span>)<\/span>)<\/span>;<\/span>
\n Update<\/span> update =<\/span> new<\/span> Update<\/span>(<\/span>)<\/span>
\n .<\/span>push<\/span>(<\/span>"readReceipts"<\/span>,<\/span> new<\/span> ReadReceipt<\/span>(<\/span>message.<\/span>getSenderId<\/span>(<\/span>)<\/span>,<\/span> new<\/span> Date<\/span>(<\/span>)<\/span>)<\/span>)<\/span>
\n .<\/span>set<\/span>(<\/span>"status"<\/span>,<\/span> MessageStatus<\/span>.<\/span>READ)<\/span>;<\/span>
\n mongoTemplate.<\/span>updateFirst<\/span>(<\/span>query,<\/span> update,<\/span> ChatMessageDocument<\/span>.<\/span>class<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u901a\u77e5\u53d1\u9001\u65b9\u6d88\u606f\u5df2\u8bfb<\/span>
\n if<\/span> (<\/span>isUserOnline<\/span>(<\/span>message.<\/span>getSenderId<\/span>(<\/span>)<\/span>)<\/span>)<\/span> {<\/span>
\n realtimePush<\/span>(<\/span>new<\/span> ChatMessage<\/span>(<\/span>
\n MessageType<\/span>.<\/span>READ_RECEIPT,<\/span>
\n message.<\/span>getMsgId<\/span>(<\/span>)<\/span>,<\/span>
\n message.<\/span>getReceiverId<\/span>(<\/span>)<\/span>,<\/span>
\n message.<\/span>getSenderId<\/span>(<\/span>)<\/span>
\n )<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u4e94\u3001\u6027\u80fd\u4f18\u5316\u65b9\u6848<\/h3>\n

1. \u6d88\u606f\u6279\u91cf\u5904\u7406<\/h4>\n

@KafkaListener<\/span>(<\/span>topics =<\/span> "chat-messages"<\/span>,<\/span> groupId =<\/span> "message-processor"<\/span>)<\/span>
\npublic<\/span> void<\/span> processMessages<\/span>(<\/span>List<\/span><<\/span>ConsumerRecord<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span>><\/span><\/span> records)<\/span> {<\/span>
\n List<\/span><<\/span>ChatMessage<\/span>><\/span><\/span> messages =<\/span> records.<\/span>stream<\/span>(<\/span>)<\/span>
\n .<\/span>map<\/span>(<\/span>record<\/span> -><\/span> deserialize<\/span>(<\/span>record<\/span>.<\/span>value<\/span>(<\/span>)<\/span>)<\/span>)<\/span>
\n .<\/span>collect<\/span>(<\/span>Collectors<\/span>.<\/span>toList<\/span>(<\/span>)<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u6279\u91cf\u5b58\u50a8MySQL<\/span>
\n chatMessageMapper.<\/span>batchInsert<\/span>(<\/span>messages)<\/span>;<\/span><\/p>\n

\/\/ \u6279\u91cf\u5b58\u50a8MongoDB<\/span>
\n List<\/span><<\/span>ChatMessageDocument<\/span>><\/span><\/span> documents =<\/span> messages.<\/span>stream<\/span>(<\/span>)<\/span>
\n .<\/span>map<\/span>(<\/span>this<\/span>::<\/span>convertToDocument<\/span>)<\/span>
\n .<\/span>collect<\/span>(<\/span>Collectors<\/span>.<\/span>toList<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n mongoTemplate.<\/span>insertAll<\/span>(<\/span>documents)<\/span>;<\/span>
\n}<\/span><\/p>\n

2. Redis\u7f13\u5b58\u4f18\u5316<\/h4>\n

@Service<\/span>
\npublic<\/span> class<\/span> UserStatusService<\/span> {<\/span><\/p>\n

private<\/span> final<\/span> RedisTemplate<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span><\/span> redisTemplate;<\/span><\/p>\n

public<\/span> boolean<\/span> isOnline<\/span>(<\/span>String<\/span> userId)<\/span> {<\/span>
\n return<\/span> redisTemplate.<\/span>opsForValue<\/span>(<\/span>)<\/span>.<\/span>get<\/span>(<\/span>"user:online:"<\/span> +<\/span> userId)<\/span> !=<\/span> null<\/span>;<\/span>
\n }<\/span><\/p>\n

public<\/span> void<\/span> setOnline<\/span>(<\/span>String<\/span> userId,<\/span> boolean<\/span> online)<\/span> {<\/span>
\n if<\/span> (<\/span>online)<\/span> {<\/span>
\n redisTemplate.<\/span>opsForValue<\/span>(<\/span>)<\/span>.<\/span>set<\/span>(<\/span>
\n "user:online:"<\/span> +<\/span> userId,<\/span>
\n "1"<\/span>,<\/span>
\n 5<\/span>,<\/span> TimeUnit<\/span>.<\/span>MINUTES)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n redisTemplate.<\/span>delete<\/span>(<\/span>"user:online:"<\/span> +<\/span> userId)<\/span>;<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

public<\/span> List<\/span><<\/span>String<\/span>><\/span><\/span> getOnlineUsers<\/span>(<\/span>List<\/span><<\/span>String<\/span>><\/span><\/span> userIds)<\/span> {<\/span>
\n return<\/span> redisTemplate.<\/span>executePipelined<\/span>(<\/span>(<\/span>RedisCallback<\/span><<\/span>Object<\/span>><\/span><\/span>)<\/span> connection -><\/span> {<\/span>
\n for<\/span> (<\/span>String<\/span> userId :<\/span> userIds)<\/span> {<\/span>
\n connection.<\/span>exists<\/span>(<\/span>(<\/span>"user:online:"<\/span> +<\/span> userId)<\/span>.<\/span>getBytes<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span>
\n return<\/span> null<\/span>;<\/span>
\n }<\/span>)<\/span>.<\/span>stream<\/span>(<\/span>)<\/span>
\n .<\/span>map<\/span>(<\/span>Object<\/span>::<\/span>toString<\/span>)<\/span>
\n .<\/span>collect<\/span>(<\/span>Collectors<\/span>.<\/span>toList<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u516d\u3001\u5b89\u5168\u9632\u62a4\u63aa\u65bd<\/h3>\n

1. OAuth2\u8ba4\u8bc1\u96c6\u6210<\/h4>\n

@Bean<\/span>
\npublic<\/span> SecurityFilterChain<\/span> securityFilterChain<\/span>(<\/span>HttpSecurity<\/span> http)<\/span> throws<\/span> Exception<\/span> {<\/span>
\n http
\n .<\/span>authorizeHttpRequests<\/span>(<\/span>auth -><\/span> auth
\n .<\/span>antMatchers<\/span>(<\/span>"\/websocket\/**"<\/span>)<\/span>.<\/span>authenticated<\/span>(<\/span>)<\/span>
\n .<\/span>anyRequest<\/span>(<\/span>)<\/span>.<\/span>permitAll<\/span>(<\/span>)<\/span>
\n )<\/span>
\n .<\/span>oauth2ResourceServer<\/span>(<\/span>oauth2 -><\/span> oauth2
\n .<\/span>jwt<\/span>(<\/span>jwt -><\/span> jwt
\n .<\/span>decoder<\/span>(<\/span>jwtDecoder<\/span>(<\/span>)<\/span>)<\/span>
\n )<\/span>
\n )<\/span>
\n .<\/span>sessionManagement<\/span>(<\/span>session -><\/span> session
\n .<\/span>sessionCreationPolicy<\/span>(<\/span>SessionCreationPolicy<\/span>.<\/span>STATELESS)<\/span>
\n )<\/span>;<\/span>
\n return<\/span> http.<\/span>build<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

@Bean<\/span>
\npublic<\/span> JwtDecoder<\/span> jwtDecoder<\/span>(<\/span>)<\/span> {<\/span>
\n return<\/span> NimbusJwtDecoder<\/span>.<\/span>withJwkSetUri<\/span>(<\/span>jwkSetUri)<\/span>.<\/span>build<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

2. WebSocket\u5b89\u5168\u62e6\u622a\u5668<\/h4>\n

public<\/span> class<\/span> AuthHandshakeInterceptor<\/span> implements<\/span> HandshakeInterceptor<\/span> {<\/span><\/p>\n

@Override<\/span>
\n public<\/span> boolean<\/span> beforeHandshake<\/span>(<\/span>ServerHttpRequest<\/span> request,<\/span>
\n ServerHttpResponse<\/span> response,<\/span>
\n WebSocketHandler<\/span> wsHandler,<\/span>
\n Map<\/span><<\/span>String<\/span>,<\/span> Object<\/span>><\/span><\/span> attributes)<\/span> {<\/span>
\n String<\/span> token =<\/span> extractToken<\/span>(<\/span>request)<\/span>;<\/span>
\n if<\/span> (<\/span>token ==<\/span> null<\/span>)<\/span> {<\/span>
\n return<\/span> false<\/span>;<\/span>
\n }<\/span><\/p>\n

try<\/span> {<\/span>
\n Jwt<\/span> jwt =<\/span> jwtDecoder.<\/span>decode<\/span>(<\/span>token)<\/span>;<\/span>
\n attributes.<\/span>put<\/span>(<\/span>"userId"<\/span>,<\/span> jwt.<\/span>getSubject<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n return<\/span> true<\/span>;<\/span>
\n }<\/span> catch<\/span> (<\/span>JwtException<\/span> e)<\/span> {<\/span>
\n return<\/span> false<\/span>;<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

private<\/span> String<\/span> extractToken<\/span>(<\/span>ServerHttpRequest<\/span> request)<\/span> {<\/span>
\n \/\/ \u4ece\u8bf7\u6c42\u5934\u6216\u53c2\u6570\u4e2d\u63d0\u53d6token<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u4e03\u3001\u90e8\u7f72\u4e0e\u76d1\u63a7<\/h3>\n

1. Docker Compose\u914d\u7f6e<\/h4>\n

version<\/span>:<\/span> '3.8'<\/span><\/p>\n

services<\/span>:<\/span>
\n app<\/span>:<\/span>
\n build<\/span>:<\/span> .
\n ports<\/span>:<\/span>
\n –<\/span> "8080:8080"<\/span>
\n depends_on<\/span>:<\/span>
\n –<\/span> redis
\n –<\/span> mysql
\n –<\/span> mongodb
\n –<\/span> kafka<\/p>\n

redis<\/span>:<\/span>
\n image<\/span>:<\/span> redis:<\/span>6.2<\/span>
\n ports<\/span>:<\/span>
\n –<\/span> "6379:6379"<\/span><\/p>\n

mysql<\/span>:<\/span>
\n image<\/span>:<\/span> mysql:<\/span>8.0<\/span>
\n environment<\/span>:<\/span>
\n MYSQL_ROOT_PASSWORD<\/span>:<\/span> root
\n MYSQL_DATABASE<\/span>:<\/span> chat_db
\n ports<\/span>:<\/span>
\n –<\/span> "3306:3306"<\/span><\/p>\n

mongodb<\/span>:<\/span>
\n image<\/span>:<\/span> mongo:<\/span>5.0<\/span>
\n ports<\/span>:<\/span>
\n –<\/span> "27017:27017"<\/span><\/p>\n

kafka<\/span>:<\/span>
\n image<\/span>:<\/span> bitnami\/kafka:<\/span>2.8<\/span>
\n ports<\/span>:<\/span>
\n –<\/span> "9092:9092"<\/span>
\n environment<\/span>:<\/span>
\n KAFKA_CFG_ZOOKEEPER_CONNECT<\/span>:<\/span> zookeeper:<\/span>2181<\/span>
\n ALLOW_PLAINTEXT_LISTENER<\/span>:<\/span> "yes"<\/span><\/p>\n

zookeeper<\/span>:<\/span>
\n image<\/span>:<\/span> bitnami\/zookeeper:<\/span>3.7<\/span>
\n ports<\/span>:<\/span>
\n –<\/span> "2181:2181"<\/span><\/p>\n

2. Prometheus\u76d1\u63a7\u914d\u7f6e<\/h4>\n

scrape_configs<\/span>:<\/span>
\n –<\/span> job_name<\/span>:<\/span> 'chat-app'<\/span>
\n metrics_path<\/span>:<\/span> '\/actuator\/prometheus'<\/span>
\n static_configs<\/span>:<\/span>
\n –<\/span> targets<\/span>:<\/span> [<\/span>'app:8080'<\/span>]<\/span>
\n labels<\/span>:<\/span>
\n service<\/span>:<\/span> 'chat-service'<\/span><\/p>\n

–<\/span> job_name<\/span>:<\/span> 'redis'<\/span>
\n static_configs<\/span>:<\/span>
\n –<\/span> targets<\/span>:<\/span> [<\/span>'redis:9121'<\/span>]<\/span><\/p>\n

–<\/span> job_name<\/span>:<\/span> 'mysql'<\/span>
\n static_configs<\/span>:<\/span>
\n –<\/span> targets<\/span>:<\/span> [<\/span>'mysql:9104'<\/span>]<\/span><\/p>\n

–<\/span> job_name<\/span>:<\/span> 'kafka'<\/span>
\n static_configs<\/span>:<\/span>
\n –<\/span> targets<\/span>:<\/span> [<\/span>'kafka:7071'<\/span>]<\/span><\/p>\n

\u901a\u8fc7\u4ee5\u4e0a\u5b9e\u73b0\u65b9\u6848，\u6211\u4eec\u6784\u5efa\u4e86\u4e00\u4e2a\u529f\u80fd\u5b8c\u5584\u3001\u6027\u80fd\u4f18\u8d8a\u4e14\u5b89\u5168\u53ef\u9760\u7684\u5b9e\u65f6\u804a\u5929\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u4e0d\u4ec5\u652f\u6301\u57fa\u672c\u7684\u804a\u5929\u529f\u80fd，\u8fd8\u63d0\u4f9b\u4e86\u6d88\u606f\u5b58\u50a8\u3001\u5df2\u8bfb\u56de\u6267\u3001\u6587\u4ef6\u4f20\u8f93\u7b49\u9ad8\u7ea7\u7279\u6027，\u540c\u65f6\u5177\u5907\u826f\u597d\u7684\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb411\u6b21\uff0c\u70b9\u8d5e12\u6b21\uff0c\u6536\u85cf17\u6b21\u3002\u901a\u8fc7\u4ee5\u4e0a\u5b9e\u73b0\u65b9\u6848\uff0c\u6211\u4eec\u6784\u5efa\u4e86\u4e00\u4e2a\u529f\u80fd\u5b8c\u5584\u3001\u6027\u80fd\u4f18\u8d8a\u4e14\u5b89\u5168\u53ef\u9760\u7684\u5b9e\u65f6\u804a\u5929\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u4e0d\u4ec5\u652f\u6301\u57fa\u672c\u7684\u804a\u5929\u529f\u80fd\uff0c\u8fd8\u63d0\u4f9b\u4e86\u6d88\u606f\u5b58\u50a8\u3001\u5df2\u8bfb\u56de\u6267\u3001\u6587\u4ef6\u4f20\u8f93\u7b49\u9ad8\u7ea7\u7279\u6027\uff0c\u540c\u65f6\u5177\u5907\u826f\u597d\u7684\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002Spring Boot\u670d\u52a1\u3002MongoDB: \u804a\u5929\u8bb0\u5f55\u3002MySQL: \u7528\u6237\/\u5173\u7cfb\u3002WebSocket\u8fde\u63a5\u3002Redis: \u5728\u7ebf\u72b6\u6001\u3002MinIO: \u6587\u4ef6\u5b58\u50a8\u3002Kafka: \u6d88\u606f\u5206\u53d1\u3002<\/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":[98,947,292,5211],"topic":[],"class_list":["post-52147","post","type-post","status-publish","format-standard","hentry","category-server","tag-spring-boot","tag-websocket","tag-292","tag-5211"],"yoast_head":"\n\u57fa\u4e8eSpring Boot\u548cWebSocket\u7684\u5b9e\u65f6\u804a\u5929\u7cfb\u7edf - 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