refactor: 完善websocket测试用例

src/main/java/com/youlai/system/websocket/WebsocketController.java

@@ -1,5 +1,6 @@
-package com.youlai.system.controller.demo;
+package com.youlai.system.websocket;
 
+import com.youlai.system.websocket.dto.MessageDTO;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.messaging.handler.annotation.DestinationVariable;
@@ -49,8 +50,8 @@ public class WebsocketController {
     @MessageMapping("/sendToUser/{username}")
     //@SendToUser(value = "/queue/greeting")
     public void sendToUser(Principal principal, @DestinationVariable String username, String message) {
-        log.info("sender:{};receiver:{}", username, principal.getName());
+        log.info("sender:{};receiver:{}", principal.getName(), username);
-        messagingTemplate.convertAndSendToUser(username, "/queue/greeting", "服务端点对点：" + message);
+        messagingTemplate.convertAndSendToUser(username, "/queue/greeting", new MessageDTO(principal.getName(), message));
         /// return "Hello,  " + message;
     }
 

src/main/java/com/youlai/system/websocket/dto/MessageDTO.java

@@ -0,0 +1,16 @@
+package com.youlai.system.websocket.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class MessageDTO {
+
+    private String sender;
+
+    private String content;
+
+}