如何在serviceImpl抛出异常

    private void checkRelationTaskList(List<DeliveryTaskDO> taskList) {
        if (CollectionUtils.isNotEmpty(taskList)) {
            List<String> errorList = taskList.stream()
                .map(deliveryTaskDO -> String.format("%s(%s)", deliveryTaskDO.getTaskName(), deliveryTaskDO.getId()))
                .collect(Collectors.toList());
            String errorMessage = String.format("投放任务有引用，无法删除：%s", Joiner.on(", ").join(errorList));
            throw new IllegalArgumentException(errorMessage);
        }
    }