Day8

Spring Task

介绍

cron表达式

订单状态定时处理

/**
 * 处理超时订单的方法
 */
@Scheduled(cron = "0 * * * * ? ")
public void processTimeoutOrder() {
    log.info("定时处理超时订单：{}", LocalDateTime.now());

    LocalDateTime time = LocalDateTime.now().plusMinutes(-15);

    List<Orders> ordersList = orderMapper.getByStatusAndOrderTimeLT(Orders.PENDING_PAYMENT, time);

    if(ordersList != null && ordersList.size() > 0) {
        for(Orders orders : ordersList) {
            orders.setStatus(Orders.CANCELLED);
            orders.setCancelReason("订单超时，自动取消");
            orders.setCancelTime(LocalDateTime.now());
            orderMapper.update(orders);
        }
    }
}

public void processDeliveryOrder() {
    log.info("定时处理处于派送中的订单：{}", LocalDateTime.now());

    LocalDateTime time = LocalDateTime.now().plusMinutes(-60);

    List<Orders> ordersList = orderMapper.getByStatusAndOrderTimeLT(Orders.DELIVERY_IN_PROGRESS, time);

    if(ordersList != null && ordersList.size() > 0) {
        for(Orders orders : ordersList) {
            orders.setStatus(Orders.COMPLETED);
            orderMapper.update(orders);
        }
    }
}

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