<bean id="propertyConfigurer"

        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

        <property name="locations">

            <list>

                <value>classpath:jdbc.properties</value>

                <value>classpath:sysconfig.properties</value>

            </list>

        </property>

 </bean>

<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
　　　　<property name="location" value="classpath:jdbc_config.properties" />
</bean>