优化

liusuyi

2026-01-15 b8973cd2a300c1dddb5fd208a07c71ac1ca9b39d

 ard-work/src/main/java/com/ard/work/service/impl/ArdDroneInfoServiceImpl.java

@@ -340,15 +340,15 @@
                ArdDroneInfo local = localMap.get(boxSn);
                boolean dbOnline = local != null && local.getOnLine() == 1;
                boolean needUpdate = (dbOnline != currentOnline);

                // 如果状态变化才更新
                if (needUpdate){
                    // 更新 Redis
                // 只要远端设备在线，就刷新Redis缓存（无论状态是否变化），保证缓存一定存在
                    if (currentOnline) {
                        redisCache.setCacheObject(redisKey, remote);
                    } else {
                    // 远端离线，删除Redis缓存
                        redisCache.deleteObject(redisKey);
                    }
                // 如果状态变化才更新
                if (needUpdate){
                    // 发布事件
                    eventPublisher.publishEvent(new DeviceStatusEvent(boxSn, currentOnline));
                    // 更新数据库