Spring下基于JPA的数据层的完整配置

    首先看一下完整的配置：

<?xml version="1.0" encoding="UTF-8"?>
<beans
    xmlns="http://www.springframework.org/schema/beans"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:jee="http://www.springframework.org/schema/jee"
    xmlns:aop="http://www.springframework.org/schema/aop"
    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 
                        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
                        http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-2.0.xsd
                        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd">
    
    <bean id="localDataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <property name="driverClassName" value="org.apache.derby.jdbc.ClientDriver"/>
        <property name="url" value="jdbc:derby://localhost:1527/myeclipse;create=true"/>
        <property name="username" value="classiccars"/>
        <property name="password" value="myeclipse"/>
    </bean>

    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="persistenceUnitName" value="MyBlogPU" />
        <property name="dataSource" ref="localDataSource"/>
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
                <property name="showSql" value="true"/>
                <property name="generateDdl" value="true"/>
                <property name="database" value="ORACLE"/>
            </bean>
        </property>
        <property name="loadTimeWeaver">
            <bean class="org.springframework.instrument.classloading.SimpleLoadTimeWeaver"/>
        </property>
    </bean>
    
    <bean id="jpaDialect" class="org.springframework.orm.jpa.vendor.HibernateJpaDialect" />
    
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactory" />
        <property name="jpaDialect" ref="jpaDialect"/>
    </bean>
    
    <!-- 在xml中显示地配置切点和切面。-->
    <tx:advice id="txAdvice">
        <tx:attributes>
            <tx:method name="find*" read-only="true"/>
            <tx:method name="get*" read-only="true"/>
            <tx:method name="list*" read-only="true"/>
            <tx:method name="*" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice>
    
    <aop:config>
        <!-- 所有名字以"Service"结尾的bean的所有public方法 -->
        <aop:pointcut id="allServiceMethodsPointcut" expression="execution(**Service.*())"/>
        <!-- 所有名字以"WS"结尾的bean的所有public方法 -->
        <aop:pointcut id="allWSMethodsPointcut" expression="execution(**WS.*())"/>
        
        <aop:advisor pointcut-ref="allServiceMethodsPointcut" advice-ref="txadvice"/>
        <aop:advisor pointcut-ref="allWSMethodsPointcut" advice-ref="txadvice"/>
    </aop:config>

</beans>