spring hibernate 配置文件

<?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" ":/spring-beans.dtd">
<beans>
    <!-- 定义受环境影响易变的变量 -->
    <bean id="propertyConfigurer"
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="location">
            <value>classpath:jdbc.properties</value>
            <!-- <value>classpath:proxool.properties</value>-->
        </property>
    </bean>


    <!-- 数据源配置,在测试环境使用 -->
    <bean id="dataSource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <!-- Connection Info, 使用P6spy记录sql -->
        <property name="driverClassName" value="${jdbc.driverClassName}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
    </bean>

    <!-- 数据源配置,在生产环境使用应用服务器的数据库连接池 -->
    <!--
        <jee:jndi-lookup id="dataSource"
        jndi-name="java:comp/env/jdbc/ShowcaseDB" />
    -->

    <!-- Hibernate配置 -->
    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${hibernate.dialect}</prop>
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
                <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
                <prop key="hibernate.generate_statistics">${hibernate.generate_statistics}</prop>
                <prop key="hibernate.current_session_context_class">${hibernate.current_session_context_class}</prop>

            </props>
        </property>
        <!--
            <property name="annotatedClasses"> <list>
            <value>test.at21.orm.model.Tbl</value> </list> </property>
        -->
        <property name="packagesToScan" value="test.**.model">
        </property>
    </bean>

    <!-- 事务管理器配置,单数据源事务 -->
    <bean id="transactionManager"
        class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>

    <!-- 事务管理器配置,多数据源JTA事务-->
    <!--
        <bean id="transactionManager"
        class="org.springframework.transaction.jta.JtaTransactionManager or
        WebLogicJtaTransactionManager" />
    -->


    <bean id="hibernateDao" class="com.at21.orm.hibernate.HibernateDao"
        singleton="false">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>
    <bean id="tblManager" class="test.at21.orm.service.TblManager">
        <property name="dao" ref="hibernateDao" />
    </bean>


</beans>