基于 MVC 三层架构，Spring 配置文件(08.10.31号)

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<!-- 数据源 -->

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">

<property name="driverClassName" value="org.postgresql.Driver" />

<property name="url" value="jdbc:postgresql://localhost:5432/goodhope" />

<property name="username" value="goodhope" />

<property name="password" value="goodhope" />

</bean>

<!-- Hibernate_SessionFactory -->

<bean id="sessionFactory"

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

<property name="dataSource">

<ref bean="dataSource" />

</property>

<property name="configLocations">

<list>

<value>

classpath:hibernate.cfg.xml

</value>

</list>

</property>

</bean>

<!-- Hibernate_事务代理 -->

<bean id="transactionManager"

class="org.springframework.orm.hibernate3.HibernateTransactionManager">

<property name="sessionFactory">

<ref bean="sessionFactory" />

</property>

</bean>

<!-- DAO 实现层，并将其注入SessionFactory -->

<bean id="userDaoImpl" class="com.goodhope.dao.impl.UserDaoImpl">

<property name="sessionFactory">

<ref bean="sessionFactory" />

</property>

</bean>

<!-- SpringAOP 对 DAO 接口的动态代理 -->

<bean id="userDAOProxy" class="org.springframework.aop.framework.ProxyFactoryBean">

<property name="proxyInterfaces">

<value>com.goodhope.dao.UserDao</value>

</property>

<property name="target">

<ref bean="userDaoImpl" />

</property>

</bean>

<!-- 业务层接口实现，把DAO注入到Service里面 -->

<bean id="userServiceTarget" class="com.goodhope.service.impl.UserServiceImpl">

<property name="userDao">

<ref bean="userDAOProxy" />

</property>

</bean>

<!-- spring代理业务层的事务管理 -->

<bean id="userService"

class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">

<property name="transactionManager">

<ref bean="transactionManager" />

</property>

<property name="transactionAttributes">

<props>

<prop key="delete*">PROPAGATION_REQUIRED</prop>

<prop key="save*">PROPAGATION_REQUIRED</prop>

<prop key="update*">PROPAGATION_REQUIRED</prop>

<prop key="*">PROPAGATION_REQUIRED,readOnly

</prop>

</props>

</property>

<property name="proxyInterfaces">

<list>

<value>

com.goodhope.service.UserService

</value>

</list>

</property>

<property name="target">

<ref bean="userServiceTarget" />

</property>

</bean>

<!-- 配置struts访问，把service层注入到Action里面 -->

<bean id="userAction" class="com.goodhope.action.UserAction"

scope="prototype">

<property name="userService">

<ref bean="userService" />

</property>

</bean>

</beans>