转载请注明:来自http://blog.csdn.net/M_ChangGong/ 作者:张燕广
该篇主要编写spring和jpa配置文件。
在项目src目录下创建Spring配置文件:applicationContext.xml
文件内容如下:
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<context:annotation-config/>
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
<property name="persistenceUnitName" value="zyg_db"></property>
</bean>
<bean id="txManger" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory"/>
</bean>
<tx:annotation-driven transaction-manager="txManger"/>
</beans>
在src下创建META-INF目录,在该 目录下创建文件persistent.xml
文件内容如下;
<persistence-unit name="zyg_db" transaction-type="RESOURCE_LOCAL">
<properties>
<property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5Dialect" />
<property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" />
<property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/vote" />
<property name="hibernate.connection.username" value="root" />
<property name="hibernate.connection.password" value="zyg" />
<property name="hibernate.hbm2ddl.auto" value="update"/>
<property name="hibernate.show_sql" value="true"/>
</properties>
</persistence-unit>
</persistence>
注意applicationContext.xml中代码
<property name="persistenceUnitName" value="zyg_db"></property>
中的zyg_db一定要跟persistent.xml中代码
<persistence-unit name="zyg_db" transaction-type="RESOURCE_LOCAL">
中的zyg_db名称完全相同。
至此,编写完成Spring和jpa配置文件,下一篇我们开始编写bean类和DAO层代码。