spring控制事务的三种方式小结

@Service("accountService")
public class AccountServiceImpl implements AccountService {
	@Resource(name = "accountDao")
	AccountDao accountDao;
	public void transfer(Integer from, Integer to, Float money) {
		accountDao.subMoney(from,money);
                int i = 1/0;    //此处引发异常
		accountDao.addMoney(to,money);
	}
}

public class AccountDaoImpl extends JdbcDaoSupport implements AccountDao {
	public void addMoney(Integer id, Float money) {
		getJdbcTemplate().update("update account set money=money+? where id=?", money , id);
	}
	public void subMoney(Integer id, Float money) {
		getJdbcTemplate().update("update account set money=money-? where id=?", money , id);
	}
}

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class Test {
	@Resource(name="accountService")
	private AccountService accountService;
	@org.junit.Test
	public void test(){
		accountService.transfer(1,2,100f);
	}
}

    <!-- 事务核心管理器,封装了所有事务操作. 依赖于连接池 -->
    <bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" >
        <property name="dataSource" ref="dataSource" ></property>
    </bean>
    <!-- 事务模板对象 -->
    <bean name="transactionTemplate" class="org.springframework.transaction.support.TransactionTemplate" >
        <property name="transactionManager" ref="transactionManager" ></property>
    </bean>

@Service("accountService")
public class AccountServiceImpl implements AccountService {
	@Resource(name = "accountDao")
	AccountDao accountDao;
	@Resource(name="transactionTemplate")
	private TransactionTemplate transactionTemplate;
	public void transfer(final Integer from, final Integer to, final Float money) {
		transactionTemplate.execute(new TransactionCallbackWithoutResult() {
			@Override
			protected void doInTransactionWithoutResult(TransactionStatus status) {
				accountDao.subMoney(from,money);
				int i = 1/0;
				accountDao.addMoney(to,money);
			}
		});
 
	}
}

<!-- 配置事务通知 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager" >
        <tx:attributes>
            <!-- 以方法为单位,指定方法应用什么事务属性
                isolation:隔离级别
                propagation:传播行为
                read-only:是否只读
             -->
            <tx:method name="find*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="true" />
            <tx:method name="transfer" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
        </tx:attributes>
    </tx:advice>
    <!-- 配置织入 -->
    <aop:config  >
        <!-- 配置切点表达式 -->
        <aop:pointcut expression="execution(* cn.swun.service.*ServiceImpl.*(..))" id="txPc"/>
        <!-- 配置切面 : 通知+切点
                 advice-ref:通知的名称
                 pointcut-ref:切点的名称
         -->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPc" />
    </aop:config>

    <!-- 开启使用注解管理aop事务 -->
    <tx:annotation-driven/>

/*
* 该注解可以打在方法上,也可以打在类上
*/
@Transactional(isolation=Isolation.REPEATABLE_READ,propagation=Propagation.REQUIRED,readOnly=false)
public void transfer(final Integer from, final Integer to, final Float money) {
	accountDao.subMoney(from,money);
	int i = 1/0;
	accountDao.addMoney(to,money);
}