【图】2015年Google搜索引擎排名算法（完整版）

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd"> 
<!-- 抽象bean，专门为继承用。通过继承,parent对象、child对象将base的属性及属性值都继承下来了 -->
<bean id="base" abstract="true">
<property name="id" value="1"/>
<property name="name" value="tom"/>
</bean>

<bean id="parent" parent="base" class="cn.itcast.spring.inherit.Parent"/>

<bean id="child" parent="base" class="cn.itcast.spring.inherit.Child">
<property name="age" value="25"/>
</bean>
</beans>

public class Parent {
private Integer id;
private String name;

public Integer getId() {
return id;
}

public void setId(Integer id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}
}

public class Child {
private Integer id;
private String name;
private Integer age;

public Integer getId() {
return id;
}

public void setId(Integer id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public Integer getAge() {
return age;
}

public void setAge(Integer age) {
this.age = age;
}
}