<listener>

          <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

   </listener>

  <!-- 配置数据连接类 -->

    <bean id="dataSource"  class="org.apache.commons.dbcp.BasicDataSource">

        <property name="driverClassName"

            value="org.gjt.mm.mysql.Driver">

        </property>

        <property name="url" value="jdbc:mysql://localhost:3306/hibernate"></property>

        <property name="username" value="root"></property>

        <property name="password" value="1"></property>

   </bean>  

 <!-- 配置session工厂类 -->

    <bean id="sessionFactory"  class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

        <property name="dataSource">

            <ref bean="dataSource" />

        </property>

        <property name="hibernateProperties">

            <props>

                <prop key="hibernate.dialect">

                    org.hibernate.dialect.MySQLDialect

                </prop>

                <prop key="hibernate.show_sql">true</prop>

            </props>

        </property>

        <property name="mappingResources">

          <value>org/it/po/User.hbm.xml</value>

        </property>

     </bean>