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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                定時任務掃描,在數據量大時,會非常耗時,可以用延時隊列實現一個定時任務 ~~~ // 訂閱延時消息 @RabbitListener(queues = {VncMqInfoConst.VNC_QUENE_ONLINE_DELY}) public void deviceOnlineCheck(CarOnlineVo carOnlineVo) { if (Objects.nonNull(carOnlineVo)) { log.info("收到: 設備在線檢查消息:{}", carOnlineVo.toString()); .... // ***** 循環結束控制,redis里邊一個變量 ****** if (redisTemplate.hasKey(DeviceRedisPrefixConst.DEVICE_ONLINE_PREFIX + carOnlineVo.getDevId())) { // *******發送延時消息,相當于有一次循環****** mqProducerUtil.sendDelyMessage(VncMqInfoConst.VNC_EXCHANGE_DELY, VncMqInfoConst.VNC_ROUTE_KEY_ONLINE_DELY, carOnlineVo, 60); } else { 業務... } } } } ~~~
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