feat:小节评分

mec-teacher/src/main/java/com/ym/mec/teacher/controller/SoundController.java

@@ -58,6 +58,9 @@ public class SoundController extends BaseController {
 
     @RequestMapping("sendToUser")
     public HttpResponseResult sendToUser(String phone, String message) throws IOException {
+        if(!WebSocketHandler.WS_CLIENTS.get(phone).isOpen()){
+            return failed(phone+"已离线");
+        }
         WebSocketHandler.WS_CLIENTS.get(phone).sendMessage(new TextMessage(message));
         return succeed();
     }