8.1.拷贝上一章代码
8.2.applicationContext.xml
<!-- 开启spring对注解事务的支持 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
8.3.service
@Service
@Transactional(readOnly=true,propagation= Propagation.SUPPORTS)
public class UserServiceImpl implements UserService {@Autowiredprivate UserMapper userMapper;/*** 转账* @param source* @param target* @param money*/@Override@Transactional(readOnly=false,propagation=Propagation.REQUIRED)public void updateUser(String source, String target, Float money) {userMapper.updateUserOfSub(source, money);int a = 6/0;userMapper.updateUserOfAdd(target, money);}
}
8.4.测试
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")//加载配置文件
public class ServiceTest {@Autowiredprivate UserService userService;/*** 转账业务*/@Testpublic void testUpdate(){userService.updateUser("张三丰","宋远桥",1F);}
}
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事务回滚：
