Spring整合hibernate：3、使用XML进行声明式的事务管理

配置applicationContext.xml文件

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<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"     xsi:schemaLocation="http://www.springframework.org/schema/beans            http://www.springframework.org/schema/beans/spring-beans-3.0.xsd            http://www.springframework.org/schema/context            http://www.springframework.org/schema/context/spring-context-3.0.xsd            http://www.springframework.org/schema/tx            http://www.springframework.org/schema/tx/spring-tx-3.0.xsd            http://www.springframework.org/schema/aop            http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">     <context:annotation-config />     <context:component-scan base-package="com.fz.annotation" />     <bean         class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">         <property name="locations" value="classpath:jdbc.properties" />     </bean>     <bean id="dataSource" destroy-method="close"         class="org.apache.commons.dbcp.BasicDataSource">         <property name="driverClassName" value="${jdbc.driverClassName}" />         <property name="url" value="${jdbc.url}" />         <property name="username" value="${jdbc.username}" />         <property name="password" value="${jdbc.password}" />     </bean>       <bean id="sessionFactory"         class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">         <property name="dataSource" ref="dataSource" />         <property name="packagesToScan">             <list>                 <value>com.fz.annotation.model</value>             </list>         </property>         <property name="hibernateProperties">             <props>                 <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>                 <prop key="hibernate.show_sql">true</prop>                 <prop key="hibernate.format_sql">true</prop>             </props>         </property>     </bean>     <!-- 使用xml方式管理事务 -->     <bean id="txManager"         class="org.springframework.orm.hibernate3.HibernateTransactionManager">         <property name="sessionFactory" ref="sessionFactory" />     </bean>     <aop:config>         <aop:pointcut             expression="execution(public * com.fz.annotation.service..*.*(..))"             id="bussinessService" />         <aop:advisor advice-ref="txAdvice" pointcut-ref="bussinessService"/>     </aop:config>     <tx:advice id="txAdvice" transaction-manager="txManager">         <tx:attributes>             <!-- 所有以find开头的方法，readOnly=true -->             <tx:method name="find*" read-only="true"/>             <tx:method name="add*" propagation="REQUIRED"/>             <tx:method name="insert*" propagation="REQUIRED"/>             <tx:method name="update*" propagation="REQUIRED"/>             <tx:method name="del*" propagation="REQUIRED"/>             <tx:method name="delete*" propagation="REQUIRED"/>         </tx:attributes>     </tx:advice> </beans>

1.定义一个aop：pointcut的切入点，也就是需要处理事务的具体service

2.定义一个具体该怎么做的指导aop:advisor，需要指导的pointcut就是刚才定义的pointcut。指导的建议可以自定义一个建议txAdvice

3.txAvice需要使用到数据库，所以需要一个Spring具体管理的事务对象txManager。

4.Spring管理事务又需要SessionFactory,所以又配置一个SessionFactory的属性。而SessionFactory里又指定了一个数据源。

来自为知笔记(Wiz)