package com.smtaiserver.smtaiserver.control; import org.springframework.messaging.Message; import org.springframework.messaging.handler.annotation.MessageMapping; import org.springframework.messaging.handler.annotation.SendTo; import org.springframework.stereotype.Controller; @Controller public class SMTWebsocketControl { // 处理来自"/app/chat"的消息 @MessageMapping("/chat") // 将返回的消息发送到"/topic/messages" @SendTo("/topic/messages") public Message send(Message message) throws Exception { return message; } }