如何建做校园购物网站/提高网站排名软件

一、演示Spring的默认传播行为（REQUIRED）

1.1、运行之前表中的数据

1.2、StockServiceImpl

/*** @Author : 一叶浮萍归大海* @Date: 2023/10/30 15:43* @Description:*/
@Service(value = "stockServiceREQUIRED")
public class StockServiceImpl extends ServiceImpl<StockMapper, StockDO> implements StockService {@Resourceprivate StockMapper stockMapper;@Resourceprivate IntegralService integralService;@Transactional(propagation = Propagation.REQUIRED,rollbackFor = Exception.class)@Overridepublic void reduceStock(Long id, Integer num) {try {// 减库存StockDO dbStock = stockMapper.selectById(id);StockDO updateStock = new StockDO();BeanUtils.copyProperties(dbStock, updateStock);updateStock.setNum(dbStock.getNum() - num);stockMapper.updateById(updateStock);// 增加积分IntegralDO updateIntegral = new IntegralDO();updateIntegral.setPreIntegral(0);updateIntegral.setCurrentIntegral(1000);updateIntegral.setUserId(1L);integralService.addIntegral(updateIntegral);// 模拟异常int i = 10 / 0;} catch (BeansException e) {throw new RuntimeException(e);}}
}

1.3、IntegralServiceImpl

/*** @Author : 一叶浮萍归大海* @Date: 2023/10/30 15:42* @Description:*/
@Service(value = "integralServiceREQUIRED")
public class IntegralServiceImpl extends ServiceImpl<IntegralMapper, IntegralDO> implements IntegralService {@Resourceprivate IntegralMapper integralMapper;@Transactional(propagation = Propagation.REQUIRED,rollbackFor = Exception.class)@Overridepublic void addIntegral(IntegralDO updateIntegral) {integralMapper.insert(updateIntegral);}
}

1.4、测试结果

1.5、数据变化 

stock表中的库存数量没有发生变化，integral（积分表）表没有增加积分。符合预期