比如说取得dataSource这个bean的property值为username的value,也就是admin,该怎么取?<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName">
<value>oracle.jdbc.driver.OracleDriver</value>
</property>
<property name="url">
<value>jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)))(CONNECT_DATA =(SERVICE_NAME = oracle10g)))</value>
</property>
<property name="username">
<value>admin</value>
</property>
<property name="password">
<value>123456</value>
</property>
</bean>