springMVC+JAP整合彻底摆脱persistence.xml配置文件

<?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:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
">

<!-- 自动扫描所有注解该路径 -->
<context:component-scan base-package="com.jubangit.smartbusiness.*" />
<context:property-placeholder location="classpath:/META-INF/db.Properties" /><!--连接数据库的属性文件的路径-->

<!-- 定义跳转的文件的前后缀 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="suffix" value=".jsp" /> <!-- 指定跳转的页面为.jsp格式 -->
</bean>
<!--http://www.cnblogs.com/qgc88/-->
<!-- JPA Entity Manager Factory -->
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean" p:dataSource-ref="dataSource">
<property name="packagesToScan" value="com.jubangit.smartbusiness.database.entity"/> <!--如果删除了persistence.xml，则需要指定实体所在的路径否则会报找不到该文件-->
<property name="jpaDialect">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaDialect" />
</property>
<property name="loadTimeWeaver">
<bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver" />
</property>
<property name="persistenceProvider">
<bean class="org.hibernate.ejb.HibernatePersistence"/><!-- 用于指定持久化实现厂商类 -->
</property>
<property name="jpaProperties">
<props>
<prop key="hibernate.dialect">${dialect}</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.max_fetch_depth">3</prop>
<prop key="hibernate.jdbc.fetch_size">18</prop>
<prop key="hibernate.jdbc.batch_size">10</prop>
<!-- <prop key="hibernate.hbm2ddl.auto">create</prop> --><!-- 定义是否自动生成表，create表示每次加载都重新生成，update表示每次加载只是更新表 -->
</props>
</property>
</bean>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"><!--dbcp连接池-->
<property name="driverClassName"><value>${driver}</value></property>
<property name="url"><value>${url}</value></property>
<property name="username"><value>${uname}</value></property>
<property name="password"><value>${pwd}</value></property>
<property name="initialSize"><value>5</value></property>
<property name="maxActive"><value>50</value></property>
<property name="maxIdle"><value>10</value></property>
<property name="minIdle"><value>5</value></property>
</bean>

<!--事物-->
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<!-- 事物通知 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="sav*" propagation="REQUIRED" rollback-for="Exception" /> <!-- rollback-for回滚事物，果存在一个事务，则支持当前事务。如果没有事务则开启 -->
<tx:method name="del*" propagation="REQUIRED" rollback-for="Exception" />
<tx:method name="updat*" propagation="REQUIRED" rollback-for="Exception" />
<tx:method name="qry*" propagation="NOT_SUPPORTED" read-only="true"/>
<tx:method name="*" propagation="NOT_SUPPORTED" read-only="true"/> <!--必须要加propagation否则存在事物依然执行，NOT_SUPPORTED总是非事务地执行，并挂起任何存在的事务 -->
</tx:attributes>
</tx:advice>
<!-- 事物切入 -->
<aop:config>
<aop:pointcut id="cut"
expression="execution(* com.jubangit.smartbusiness.services.impl.*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="cut" />
</aop:config>

</beans>