我们的例子,参考一下 
<bean id="dsFactory"
        class="com.paic.pafa.app.lwc.service.persistence.datasource.DataSourceFactoryBean">
        <property name="defaultDSKey">
            <description>缺省的数据源,必须指定为下面map中的entry key之一</description>
            <value>00</value>
        </property>
        <property name="dataSources">
            <description>可以在map属性里面添加多个数据源</description>
            <map>
                <entry key="00">
                    <ref local="defaultDS"/>
                </entry>
            </map>
        </property>
    </bean>
    <bean id="defaultDS"
        class="com.paic.pafa.app.lwc.core.naming.JndiObjectFactoryBean">
        <property name="jndiName">
            <value>jdbc/ds/epasscms/epasscmsDS</value>            
        </property>
        <property name="jndiTemplate">
            <ref local="jndiTemplate"/>
        </property>
    </bean>