Spring中继承配置的注入方法

package com.lc.inherit;

/*
* 这里是父类
*/
public class Student {

protected String name;
protected int age;
public String getName() {
//get/set方法
}

package com.lc.inherit;
/**
* 继承Student类
* @author xuliugen
*/
public class Gradate extends Student {

//Gradate自由的属性
private String degree;
//get、set方法

}

<?xml version="1.0" encoding="utf-8"?

>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"> 
<!-- 配置一个学生对象 -->
<bean id="student" class="com.lc.inherit.Student">
<property name="name" value="顺平" />
<property name="age" value="30"/>
</bean>

<!-- 配置Grdate对象 -->
<bean id="grdate" parent="student" class="com.lc.inherit.Gradate">
<!-- 假设自己在这里配置属性name,age,则会替换从父对象继承的数据  没有配置的话依照父类-->
<property name="name" value="小明"/>
<property name="degree" value="学士"/>
</bean>

</beans>

package com.lc.inherit;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class App1 {

public static void main(String[] args) {

ApplicationContext ac=new ClassPathXmlApplicationContext("com/lc/inherit/beans.xml");

Gradate gradate=(Gradate) ac.getBean("grdate");
System.out.println(gradate.getName()+" "+gradate.getAge()+" "+gradate.getDegree());
}

}