package com.example.utils.SockJs; import org.springframework.messaging.simp.stomp.StompHeaders; import org.springframework.messaging.simp.stomp.StompSession; import org.springframework.messaging.simp.stomp.StompSessionHandlerAdapter; import java.util.concurrent.ExecutionException; public class TEST009 { public static void main(String[] args) throws ExecutionException, InterruptedException { SockJsTool tool=new SockJsTool("http://localhost:8080/system/websocket"); StompSession session=tool.getSession(); session.subscribe("/user/topic/subscribePrint5",new StompSessionHandlerAdapter(){ @Override public void handleFrame(StompHeaders headers, Object payload) { System.out.println(payload); } }); session.send("/app/downloadLocal","2"); } }