外部经纪人

@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfiguration implements WebSocketMessageBrokerConfigurer {

	@Override
	public void registerStompEndpoints(StompEndpointRegistry registry) {
		registry.addEndpoint("/portfolio").withSockJS();
	}

	@Override
	public void configureMessageBroker(MessageBrokerRegistry registry) {
		registry.enableStompBrokerRelay("/topic", "/queue");
		registry.setApplicationDestinationPrefixes("/app");
	}

}

@Configuration
@EnableWebSocketMessageBroker
class WebSocketConfiguration : WebSocketMessageBrokerConfigurer {

	override fun registerStompEndpoints(registry: StompEndpointRegistry) {
		registry.addEndpoint("/portfolio").withSockJS()
	}

	override fun configureMessageBroker(registry: MessageBrokerRegistry) {
		registry.enableStompBrokerRelay("/topic", "/queue")
		registry.setApplicationDestinationPrefixes("/app")
	}
}

<beans xmlns="http://www.springframework.org/schema/beans"
	   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	   xmlns:websocket="http://www.springframework.org/schema/websocket"
	   xsi:schemaLocation="
		http://www.springframework.org/schema/beans
		https://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/websocket
		https://www.springframework.org/schema/websocket/spring-websocket.xsd">

	<websocket:message-broker application-destination-prefix="/app">
		<websocket:stomp-endpoint path="/portfolio">
			<websocket:sockjs />
		</websocket:stomp-endpoint>
		<websocket:stomp-broker-relay prefix="/topic,/queue" />
	</websocket:message-broker>
</beans>