2025-11-29 zwy 根据name查询vtdu库中存不存在记录，存在不插入

zhaowenyu

2025-11-29 28209a45aa08ca44c5272ed8ca12bd091b45847f

 ard-work/src/main/java/com/ard/work/component/websocket/WebSocketSessionManager.java

@@ -28,4 +28,9 @@
    public static int getOnlineUserCount() {
        return ONLINE_USER_SESSIONS.size();
    }

    public static boolean containsUser(Long userId) {
        return ONLINE_USER_SESSIONS.containsKey(userId);
    }

}