Spring内部bean和级联属性用法详解

<bean id="boss2" class="com.gec.bean.Boss"> 
  <property name="bossName"><value>马老板</value> </property>
  <property name="car">
  		 <!--直接引用内部bean的写法，类似匿名内部类的写法--> 
		<bean class="com.gec.bean.Car">
 			<property name="brand"><value>QQ跑车 </value></property> 
			<property name="color"><value>绿色</value> </property> 
			<property name="price"><value>300000.00</value></property> 
		</bean>
 	</property>
 </bean>

<bean id="testCar" class="com.gec.bean.Car"/>
<bean id="boss3" class="com.gec.bean.Boss"> 
  <property name="car"> <ref bean="testCar"/>
  </property> <property name="bossName"><value>许老板</value></property>
  <!--级联属性赋值--> 
  <property name="car.brand"><value>奔驰</value> </property> 
  <property name="car.color"><value>黑色</value> </property>
  <property name="car.price"><value>5000000.00</value> </property> 
</bean>