xml <?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:aop="http://www.springframework.org/schema/aop" 
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd 
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> 
<bean id="S" class="test.SImpl"> 
<property name="username" value="asdf"></property> 
</bean> 
<bean id="Loger" class="test.Loger"></bean> 
<aop:config> 
<aop:aspect ref="Loger"> 
<aop:pointcut id="LogPointcut" expression="execution(* *.getUsername(..)) and target(bean)"/> 
<aop:before method="beforGetName" pointcut-ref="LogPointcut" arg-names="bean"/> 
<aop:after method="afterGetName" pointcut-ref="LogPointcut" arg-names="bean"/> 
</aop:aspect> 
</aop:config> 
</beans> --------------- 
package test; public interface Int_S { 
public String getUsername(); 

-------------------- 
package test; public class Loger { 
public void beforGetName(Int_S s) { 
System.out.println("Before get user name"+s.getUsername()); 
} public void afterGetName(Int_S s) { 
System.out.println("After get user name"+s.getUsername()); 


---------------------------- 
package test; public class SImpl implements Int_S { private String username="hxf"; @Override 
public String getUsername() { 
return username; 

public void setUsername(String username) { 
this.username = username; 
} public String getN() { 
// TODO Auto-generated method stub 
return username; 
} } 
--------------------------------- 
package test; import org.springframework.beans.factory.BeanFactory; 
import org.springframework.beans.factory.xml.XmlBeanFactory; 
import org.springframework.context.support.ClassPathXmlApplicationContext; 
import org.springframework.core.io.FileSystemResource; public class Test { 
public static void main(String[] d){ 
BeanFactory factory = new XmlBeanFactory(new FileSystemResource("src/beanRefFactory.xml")); 
//BeanFactory factory = new ClassPathXmlApplicationContext("beanRefFactory.xml"); 
SImpl greetingServices =(SImpl)factory.getBean("S"); 
System.out.println( greetingServices.getUsername()); 

} 期望Loger能自动system out,.但是没反应..console 只输出 asdf 我希望greetingServices.getUsername() 的时候 loger能自动输出