使用spring与hibernate实现配置文件

<&#63;xml version="1.0" encoding="UTF-8"&#63;> <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"    xmlns:context="http://www.springframework.org/schema/context"    xsi:schemaLocation="      http://www.springframework.org/schema/beans      http://www.springframework.org/schema/beans/spring-beans.xsd      http://www.springframework.org/schema/tx      http://www.springframework.org/schema/tx/spring-tx.xsd      http://www.springframework.org/schema/aop      http://www.springframework.org/schema/aop/spring-aop.xsd      http://www.springframework.org/schema/context      http://www.springframework.org/schema/context/spring-context.xsd">   <context:component-scan base-package="com.test" />   <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">    <property name="locations">     <list>       <value>classpath:jdbc.properties</value>     </list>    </property>   </bean>   <bean id="c3p0DataSource" destroy-method="close"     class="com.mchange.v2.c3p0.ComboPooledDataSource">     <property name="driverClass" value="${driverClass}" />     <property name="jdbcUrl" value="${url}" />     <property name="user" value="${user}" />     <property name="password" value="${password}" />     <property name="initialPoolSize" value="${initialPoolSize}" />     <property name="minPoolSize" value="${minPoolSize}" />     <property name="maxPoolSize" value="${maxPoolSize}" />     <property name="maxIdleTime" value="${maxIdleTime}" />   </bean>            <bean id="sessionFactory"     class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">     <property name="dataSource" ref="c3p0DataSource" />     <property name="packagesToScan">       <list>         <value>com.test.bean</value>       </list>     </property>     <property name="hibernateProperties">       <props>         <prop key="hibernate.dialect">${dialect}</prop>         <prop key="hibernate.show_sql">${show_sql}</prop>         <prop key="hibernate.format_sql">${format_sql}</prop>         <prop key="hibernate.use_sql_commants">${use_sql_comments}</prop>         <prop key="hibernate.hbm2ddl.auto">${hbm2ddl.auto}</prop>       </props>     </property>   </bean>   <bean id="txManager"     class="org.springframework.orm.hibernate4.HibernateTransactionManager">     <property name="sessionFactory" ref="sessionFactory" />   </bean>   <tx:advice id="txAdvice" transaction-manager="txManager">     <tx:attributes>       <tx:method name="get*" read-only="true" />       <tx:method name="*" />     </tx:attributes>   </tx:advice>   <aop:config>     <aop:pointcut id="bizMethods" expression="execution(* com.test.biz.*.*(..))" />     <aop:advisor advice-ref="txAdvice" pointcut-ref="bizMethods" />   </aop:config> </beans>