目标对象类
Source code          
package com.bobohe.test01;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;

/**
* Hello world!
*
*/

@Component("app")
public class App implements AppInterface
{
        public void testAspectJ(String param){
                System.out.println("do test AspectJ:" + param);
        }

目标对象类
Source code          
package com.bobohe.test01;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;

/**
* Hello world!
*
*/

@Component("app")
public class App implements AppInterface
{
        public void testAspectJ(String param){
                System.out.println("do test AspectJ:" + param);
        }