要在Spring Boot中集成websocket实现消息推送,可以按照以下步骤进行操作: 添加依赖:在`pom.xml`文件中添
要在Spring Boot中集成websocket实现消息推送,可以按照以下步骤进行操作:
org.springframework.boot
spring-boot-starter-WEBSocket
@Configuration
@EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {
@Override
public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
registry.addHandler(myWebSocketHandler(), "/websocket").addInterceptors(new WebSocketInterceptor());
}
@Bean
public WebSocketHandler myWebSocketHandler() {
return new MyWebSocketHandler();
}
}
public class MyWebSocketHandler extends TextWebSocketHandler {
private static final Set sessions = Collections.synchronizedSet(new HashSet<>());
@Override
public void afterConnectionEstablished(WebSocketSession session) throws Exception {
sessions.add(session);
}
@Override
protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
// 处理收到的消息
}
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
sessions.remove(session);
}
}
public class WebSocketInterceptor implements HandshakeInterceptor {
@Override
public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Map attributes) throws Exception {
// 在握手前执行操作
return true;
}
@Override
public void afterHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Exception exception) {
// 在握手后执行操作
}
}
@Autowired
private SimpMessagingTemplate messagingTemplate;
public void sendMessage(String message) {
messagingTemplate.convertAndSend("/topic/message", message);
}
以上步骤完成后,你就可以使用WebSocket在Spring Boot中实现消息推送了。在前端页面中,可以使用javascript的`new WebSocket(url)`创建WebSocket连接,并通过`onmessage`事件接收到推送的消息。
--结束END--
本文标题: springboot怎么集成websocket实现消息推送
本文链接: https://www.lsjlt.com/news/450755.html(转载时请注明来源链接)
有问题或投稿请发送至: 邮箱/279061341@qq.com QQ/279061341
下载Word文档到电脑,方便收藏和打印~
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
回答
回答
回答
回答
回答
回答
回答
回答
回答
回答
0