springdata的jpa配置文件application.xml

<?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"
xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/data/jpa
http://www.springframework.org/schema/data/jpa/spring-jpa.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">

<!-- 配置读取properties文件的工具类 -->
<context:property-placeholder location="classpath:jdbc.properties"/>

<!-- 配置c3p0数据库连接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="driverClass" value="${jdbc.driver.class}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>

<!-- spring整合jpa配置EntityManagerFactory -->
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<!-- 声明数据库 -->
<property name="database" value="MYSQL"></property>
<!-- 正向工程 自动创建表 -->
<property name="generateDdl" value="true"></property>
<property name="showSql" value="true"></property>
</bean>
</property>
<property name="packagesToScan">
<list>
<value>com.hm.pojo</value>
</list>
</property>
</bean>

<!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory"></property>
</bean>

<!-- 配置开启注解事务处理 -->
<tx:annotation-driven transaction-manager="transactionManager"/>

<!-- 配置springIOC的注解扫描 -->
<context:component-scan base-package="com.hm"/>

<!-- Spring Data JPA 的配置 -->
<!-- 加入命名空间jpa -->
<!-- base-package：扫描dao接口所在的包 -->
<jpa:repositories base-package="com.hm.dao"/>
</beans>