当使用spring整合hibernate时，需要将hibernate的事务转交给spring来管理，DAO层需要实现一个接口，但设置bean时仍然是设置实现的DAO类。
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd ">
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="configLocation" value="classpath:hibernate.cfg.xml">
</property>
</bean>
<bean id="QqUserDAO" class="com.zuo.hib.QqUserDAO">
<property name="sessionFactory" ref="sessionFactory"></property>
<!--<property name="hibernateTemplate" ref="hibernateTemplate"></property>-->
</bean>
<!-- 配置hibernate操作模板类 ,不声明HibernateTemplate时需要继承HibernateDaoSupport类-->
<!--<bean name="hibernateTemplate"
class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>-->
<!-- 定义事务管理器，从Hibernate中接手事务 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 定义事务规则 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="modify*" propagation="REQUIRED" />
<tx:method name="del*" propagation="REQUIRED" />
<tx:method name="*" propagation="REQUIRED" read-only="true" />
</tx:attributes>
</tx:advice>
<!-- 定义事务入口 -->
<aop:config>
<aop:pointcut id="allDaoMethod" expression="execution(* com.zuo.hib.*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="allDaoMethod" />
</aop:config>
</beans>
