spring事务

CREATE TABLE `account` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(20) NOT NULL,
  `money` double DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;
INSERT INTO `account` VALUES (‘1‘, ‘aaa‘, ‘1000‘);
INSERT INTO `account` VALUES (‘2‘, ‘bbb‘, ‘1000‘);
   

AccountServiceImpl
    public class AccountServiceImpl implements AccountService {
        // 在Service中注入DAO
        private AccountDAO accountDAO;

        @Override
        public void transfer(String outAccount, String inAccount, double money) {
            accountDAO.outMoney(outAccount, money);
            accountDAO.inMoney(inAccount, money);
        }

        public void setAccountDAO(AccountDAO accountDAO) {
            this.accountDAO = accountDAO;
        }
    }

AccountDAOImpl
    public class AccountDAOImpl extends JdbcDaoSupport implements AccountDAO {

        @Override
        public void outMoney(String outAccount, double money) {
            String sql = "update account set money = money-? where name = ?";
            this.getJdbcTemplate().update(sql, money, outAccount);
        }

        @Override
        public void inMoney(String inAccount, double money) {
            String sql = "update account set money = money + ? where name = ?";
            this.getJdbcTemplate().update(sql, money, inAccount);
        }

    }    

配置applicationContext.xml
    <!-- 导入外部属性文件 -->
    <context:property-placeholder location="classpath:jdbc.properties"/>
    
    <!-- 数据库连接池  -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"></property>
        <property name="jdbcUrl" value="${jdbc.url}"></property>
        <property name="user" value="${jdbc.user}"></property>
        <property name="password" value="${jdbc.password}"></property>
    </bean>
    
    <!-- 业务层 -->
    <bean id="accountService" class="cn.itcast.spring.transaction.a_programing.AccountServiceImpl">
        <property name="accountDAO" ref="accountDAO"></property>
    </bean>
    
    <!-- DAO -->
    <bean id="accountDAO" class="cn.itcast.spring.transaction.a_programing.AccountDAOImpl">
        <!-- 将连接池注入给DAO ，JdbcDaoSupport 自动创建 JdbcTemplate对象 -->
        <property name="dataSource" ref="dataSource"></property>
    </bean>

<!-- 事务管理模板 -->
    <bean id="transactionTemplate" class="org.springframework.transaction.support.TransactionTemplate">
        <!-- 将管理器 注入给 模板 -->
        <property name="transactionManager" ref="transactionManager"></property>
    </bean>
    
    <!-- 事务管理器 -->
    <!-- org.springframework.jdbc.datasource.DataSourceTransactionManager 用来管理 jdbc操作事务的 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!--  将连接池 注入给事务管理器  -->
        <property name="dataSource" ref="dataSource"></property>
    </bean>

    <bean id="accountService" class="cn.itcast.spring.transaction.a_programing.AccountServiceImpl">
        <property name="accountDAO" ref="accountDAO"></property>
        <property name="transactionTemplate" ref="transactionTemplate"></property>
    </bean>

 public void transfer(final String outAccount, final String inAccount,
            final double money) {
        // 使用 事务模板 管理事务
        transactionTemplate.execute(new TransactionCallbackWithoutResult() {
            @Override
            protected void doInTransactionWithoutResult(
                    TransactionStatus transactionStatus) {
                accountDAO.outMoney(outAccount, money);
                int d = 1 / 0;
                accountDAO.inMoney(inAccount, money);
            }
        });
    }

<!-- 事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

<bean id="accountServiceProxy" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
        <!-- 目标 -->
        <property name="target" ref="accountService"></property>
        <!-- 针对接口代理 -->
        <property name="proxyInterfaces" value="cn.itcast.spring.transaction.b_transactionproxyfactorybean.AccountService"></property>
        <!-- 增强  事务管理-->
        <property name="transactionManager" ref="transactionManager"></property>
        <property name="transactionAttributes">  <!-- 事务管理属性 -->
             <!-- 针对目标对象 每个方法 ，设置隔离级别、传播行为、是否只读 -->
             <props>
                 <!-- key就是方法名 -->
                 <!-- value prop格式：PROPAGATION,ISOLATION,readOnly,-Exception,+Exception -->
                 <prop key="transfer">PROPAGATION_REQUIRED</prop>
             </props>
        </property>
    </bean>

<tx:advice id="txAdvice" transaction-manager="transactionManager">
        <!-- 方法的事务管理属性 -->
        <tx:attributes>
            <!--
                name="transfer" 事务管理方法名
                isolation="DEFAULT" 默认隔离级别
                propagation="REQUIRED"  默认传播行为
                read-only="false"  是否只读
                no-rollback-for=""  发生异常不会滚  类似+Exception
                rollback-for=""  发生异常回滚 类似-Exception
                timeout="-1"  不超时
            -->
            <tx:method name="transfer"/>
        </tx:attributes>
    </tx:advice>

<!-- 使用Aop 进行自动代理 -->
    <aop:config>
        <!-- 定义切点 -->
        <aop:pointcut expression="execution(* cn.itcast.spring.transaction.c_txconfig.AccountService+.*(..))" id="mypointcut"/>
        <!-- 定义切面 -->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="mypointcut"/>
    </aop:config>

 <!-- 事务管理器 -->
            <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
                <property name="dataSource" ref="dataSource"></property>
            </bean>
            
            <!-- 注解事务管理 -->
            <tx:annotation-driven transaction-manager="transactionManager"/>