<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd 
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

  <!--开启自动扫描-->
  <context:component-scan base-package="cn.xuhuanfeng.transaction"/>

  <!--配置数据源，这里采用dbcp-->
  <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
    <property name="url" value="jdbc:mysql://localhost:3306/spring"/>
    <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
    <property name="username" value="root"/>
    <property name="password" value="huanfeng"/>
  </bean>

  <!--配置JdbcTemplate-->
  <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
    <!--注入数据源-->
    <property name="dataSource" ref="dataSource"/>
  </bean>

  <!--配置事务管理-->
  <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <!--注入数据源-->
    <property name="dataSource" ref="dataSource"/>
  </bean>
  <!--为AccountService创建代理类-->
  <bean id="accountServiceProxy" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
    <!--注入事务管理-->
    <property name="transactionManager" ref="transactionManager"/>
    <!--注入目标类，也就是所要增强的类-->
    <property name="target" ref="accountService"/>
    <!--配置相应的事务属性-->
    <property name="transactionAttributes">
      <props>
        <!--指定不同的事务的处理方式
          配置格式：事务传播方式，隔离级别，readOnly，-Exception，+Exception
          传播行为是唯一必须配置的，其他的如果不配置则使用默认
          -Exception表示如果发生对应的异常，则回滚事务
          +Exception表示即使发生对应的异常，也依旧提交事务
        -->
        <prop key="transfer">PROPAGATION_REQUIRED,ISOLATION_DEFAULT</prop>
      </props>
    </property>
  </bean>
</beans>

@Repository
public class AccountDao {

  @Autowired
  private JdbcTemplate jdbcTemplate;

  public void transferIn(String name, double money){
    String sql = "update account set money = money + ? where name = ?";

    jdbcTemplate.update(sql, money, name);
  }

  public void transferOut(String name, double money){
    String sql = "update account set money = money - ? where name = ?";

    jdbcTemplate.update(sql, money, name);
  }
}

@Service
public class AccountService {

@Autowired
private AccountDao accountDao;

public void transfer(final String fromName,final String toName,final double money){

  accountDao.transferOut(fromName, money);
  int d = 1/0; // 除0异常
  accountDao.transferIn(toName, money);
}
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd 
    http://www.springframework.org/schema/aop 
    http://www.springframework.org/schema/aop/spring-aop.xsd">

  <!--
    这里配置同前，故省略
  -->

  <!--aop配置-->
  <aop:config>
    <!--配置切点-->
    <aop:pointcut id="serviceMethod" expression="execution(* cn.xuhuanfeng.transaction.AccountService.*(..))"/>
    <!--对应的切面-->
    <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethod"/>
  </aop:config>

  <!--配置事务增强-->
  <tx:advice id="txAdvice" transaction-manager="transactionManager">
    <tx:attributes>
      <!--配置对应的事务管理，其中name为与事务相关的方法名，可以使用通配符-->
      <tx:method name="transfer*" isolation="DEFAULT" propagation="REQUIRED"/>
    </tx:attributes>
  </tx:advice>

</beans>

// 配置相应的隔离级别、事务传播等
@Transactional(isolation = Isolation.DEFAULT, propagation = Propagation.REQUIRED)
@Service
public class AccountService {
  // 省略其他内容
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">

  <!--数据源配置等同上-->
  <!--通过tx命名空间，开启主机自动扫描，并且注入事务管理器-->
  <tx:annotation-driven transaction-manager="transactionManager"/>
</beans>