Spring Task定时任务

目录

介绍

应用场景

cron表达式

使用步骤

示例代码

介绍

Spring Task是Spring框架提供的任务调度工具，可以按照约定的时间，自动执行某个逻辑代码，

定位：定时任务框架

应用场景

短信信息提醒

cron表达式

使用步骤

示例代码

@Component
@Slf4j
public class OrderTask {@Autowiredprivate OrderMapper orderMapper;//每分钟执行一次.处理订单超时@Scheduled(cron = "0 * * * * ?")public void processTimeoutOrder() {log.info("OrderTask processTimeoutOrder");LocalDateTime localDateTime = LocalDateTime.now().plusMinutes(-15);List<Orders> ordersList = orderMapper.getByStatusAndOrderTimeLT(Orders.PENDING_PAYMENT, localDateTime);if (ordersList != null && ordersList.size() > 0) {for (Orders orders : ordersList) {orders.setStatus(Orders.CANCELLED);orders.setCancelTime(LocalDateTime.now());orders.setCancelReason("订单超时，自动取消");orderMapper.update(orders);}}}//每天凌晨一点触发一次，处理一直派送中的订单@Scheduled(cron = "0 0 1 * * ?")public void processDeliveryOrder() {log.info("OrderTask processDeliveryOrder");LocalDateTime localDateTime = LocalDateTime.now().plusMinutes(-60);List<Orders> ordersList = orderMapper.getByStatusAndOrderTimeLT(Orders.DELIVERY_IN_PROGRESS, localDateTime);if (ordersList != null && ordersList.size() > 0) {for (Orders orders : ordersList) {orders.setStatus(Orders.COMPLETED);orderMapper.update(orders);}}}
}