网络相册开发（4）——Spring中配置JPA

在src/META-INF下添加persistence.xml

1.<?xml version="1.0" encoding="UTF-8"?>2.<persistence xmlns="http://java.sun.com/xml/ns/persistence"3.    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"4.    xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"5.    version="1.0">6.    <persistence-unit name="ApplicationEntityManager"7.        transaction-type="RESOURCE_LOCAL">8.        <provider>org.hibernate.ejb.HibernatePersistence</provider>9.10.    </persistence-unit>11.</persistence>

在Spring的配置文件applicationContext.xml中添加

Xml代码

<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/sw?createDatabaseIfNotExist=true&amp;useUnicode=true&amp;characterEncoding=utf-8</value></property>
		<property name="username"><value>root</value></property>
		<property name="password"><value>mysql</value></property>
	</bean>

	<!-- JPA EntityManagerFactoryBean for EntityManager-->

	<bean id="myEntityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
                <property name="showSql" value="true" />
                <property name="generateDdl" value="true" />
            </bean>
        </property>
    </bean>

    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="myEntityManagerFactory"/>
        <property name="dataSource" ref="dataSource"/>
    </bean>     <tx:annotation-driven transaction-manager="transactionManager"/>

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