Spring+JPA+MySQL的配置文件

整合一下JPA +Spring

persistence.xml
默认放在 META-INF 目录下

Xml代码



<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://java.sun.com/xml/ns/persistence persistence_1_0.xsd" version="1.0">

<persistence-unit name="java2000" transaction-type="RESOURCE_LOCAL">

<provider>org.hibernate.ejb.HibernatePersistence</provider>

<class>MyClass</class>

<properties>

<property name="hibernate.cache.provider_class" value="org.hibernate.cache.EhCacheProvider" />

<property name="show_sql" value="true" />

<property name="hibernate.cache.use_second_level_cache" value="true" />

<property name="hibernate.cache.use_query_cache" value="false" />

</properties>

</persistence-unit>

</persistence>

<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence persistence_1_0.xsd" version="1.0">
<persistence-unit name="java2000" transaction-type="RESOURCE_LOCAL">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<class>MyClass</class>
<properties>
<property name="hibernate.cache.provider_class" value="org.hibernate.cache.EhCacheProvider" />
<property name="show_sql" value="true" />
<property name="hibernate.cache.use_second_level_cache" value="true" />
<property name="hibernate.cache.use_query_cache" value="false" />
</properties>
</persistence-unit>
</persistence>

applicationContext.xml

Xml代码



<?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: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-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">

<bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />

<bean id="Myervice" class="MyService" />

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

<property name="driverClassName">

<value>com.mysql.jdbc.Driver</value>

</property>

<property name="url">

<value>jdbc:mysql://localhost:3306</value>

</property>

<property name="username">

<value>########</value>

</property>

<property name="password">

<value>########</value>

</property>

</bean>

<!-- JPA EntityManagerFactoryBean for EntityManager-->

<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">

<property name="persistenceXmlLocation" value="persistence.xml" />

<property name="persistenceUnitName" value="java2000" />

<property name="dataSource" ref="dataSource" />

</bean>

<!-- Transaction manager for JPA -->

<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">

<property name="entityManagerFactory">

<ref bean="entityManagerFactory" />

</property>

</bean>

<tx:annotation-driven transaction-manager="transactionManager" />

</beans>

<?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: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-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"> 
<bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />

<bean id="Myervice" class="MyService" />
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName">
<value>com.mysql.jdbc.Driver</value>
</property>
<property name="url">
<value>jdbc:mysql://localhost:3306</value>
</property>
<property name="username">
<value>########</value>
</property>
<property name="password">
<value>########</value>
</property>
</bean>

<!-- JPA EntityManagerFactoryBean for EntityManager-->
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="persistenceXmlLocation" value="persistence.xml" />
<property name="persistenceUnitName" value="java2000" />
<property name="dataSource" ref="dataSource" />
</bean>

<!-- Transaction manager for JPA -->
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory">
<ref bean="entityManagerFactory" />
</property>
</bean>

<tx:annotation-driven transaction-manager="transactionManager" />

</beans>