Springboot的ThreadPoolTaskScheduler线程池轻松搞定15分钟不操作自动取消订单

 private final OrderSchedulerService schedulerService;
 @Override
    @Transactional(rollbackFor = Exception.class)
    public R saveHotelOrder(HotelOrderPO po) {
        HotelOrder order = new HotelOrder();
        boolean saveOrUpdate = saveOrUpdate(order);
        // 补充自己的开发逻辑
        if(条件满足){
        	 schedulerService.createScheduler(order.getId());
        }
        return R.data(order.getId());
    }

@Slf4j
@Service
@AllArgsConstructor
public class OrderSchedulerService {
    private final HotelOrderMapper hotelOrderMapper;
    private final ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
    private final ConcurrentHashMap<Long, ScheduledFuture<?>> orderTasks = new ConcurrentHashMap<>();
    // 模拟用户新增订单
    public void createScheduler(Long orderId) {
        taskScheduler.initialize();
        // 15分钟后执行
        Instant plus = Instant.now().plus(Duration.ofMinutes(15));
        ScheduledFuture<?> future = taskScheduler.schedule(() -> {
            if (isOrderActive(orderId)) {
                // 取消订单
                HotelOrder order = hotelOrderMapper.selectById(orderId);
                order.setStatus(CommonConstant.INT_5);
                hotelOrderMapper.updateById(order);
                log.info("15分钟未操作，自动取消订单：{}", order.getSerialNumber());
            }
        }, plus);
        orderTasks.put(orderId, future);
    }
    // 订单取消时，取消订单的15分钟定时任务
    public void cancelScheduler(Long orderId) {
        ScheduledFuture<?> future = orderTasks.get(orderId);
        if (future != null && !future.isDone()) {
            future.cancel(false);
            orderTasks.remove(orderId);
            log.info("15分钟有支付操作，取消订单定时任务：{}", orderId);
        }
    }
    // 检查订单是否仍在任务列表中（模拟订单未删除）
    private boolean isOrderActive(Long orderId) {
        return orderTasks.containsKey(orderId);
    }
}

 @Override
    public R cancelByIdForMini(Long id, String reason) {
    	// 写自己的取消业务
        // 订单取消时，取消订单的15分钟定时任务
        log.info(" 订单取消时，取消订单的15分钟定时任务:{}", id.toString());
        schedulerService.cancelScheduler(id);
        return R.status(true);
    }