spring后置通知@AfterReturning的使用

public interface Someservice {
    String doOther(String name);
    stdent doOther2(String anme,int age);
}

@Component("SomeserviceImpl")
public class SomeserviceImpl implements Someservice {
    @Override
    public String doOther(String name) {
        System.out.println("------目标方法执行doOther()-------");
        return name;
    }

    @Override
    public stdent doOther2(String name, int age) {
        System.out.println("------目标方法执行doOther()-------");
        stdent st = new stdent();
        st.setAge(age);
        st.setName(name);
        return st;
    }
}

@Component("myAspect2")
@Aspect
public class MyaspectJ {
    @AfterReturning(value ="execution(* *..SomeserviceImpl.doOther(..))",returning = "res")
    public void myaspectJ(Object res){
        System.out.println("后置通知的返回值为:"+res);
        res = "18204229-"+res;
        System.out.println("修改之后的："+res);
    }

    @AfterReturning(value ="execution(* *..SomeserviceImpl.doOther2(..))",returning = "res")
    public void myaspectJ2(JoinPoint joinPoint ,Object res){
        System.out.println(joinPoint.getSignature());
        System.out.println(joinPoint.getSignature().getName());
        Object[] args = joinPoint.getArgs();
        for (Object arg : args) {
            System.out.println(arg);
        }
        stdent stdent = new stdent();
        stdent.setAge(22);
        stdent.setName("44455");
        res = stdent;
        System.out.println("后置通知中："+res);
    }

}

<?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: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/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
        <context:component-scan base-package="cn.com.Ycy.spring_aspectJ.bao02"/>
    <aop:aspectj-autoproxy/>
</beans>

    @Test
    public void test02(){
        String config="ApplicationContesxt1.xml";
        ApplicationContext ac = new ClassPathXmlApplicationContext(config);
        //从容器获取目标对象
        cn.com.Ycy.spring_aspectJ.bao02.Someservice someservice = (cn.com.Ycy.spring_aspectJ.bao02.Someservice) ac.getBean("SomeserviceImpl");
        //通过代理对象执行方法，实现目标方法执行时，增强了功能
        String str = someservice.doOther("ycy");
        System.out.println(str);
    }
    //返回一个对象，是否发生改变
    @Test
    public void test03(){
        String config="ApplicationContesxt1.xml";
        ApplicationContext ac = new ClassPathXmlApplicationContext(config);
        //从容器获取目标对象
        cn.com.Ycy.spring_aspectJ.bao02.Someservice someservice = (cn.com.Ycy.spring_aspectJ.bao02.Someservice) ac.getBean("SomeserviceImpl");
        //通过代理对象执行方法，实现目标方法执行时，增强了功能
        stdent str = someservice.doOther2("ycy",24);
        System.out.println(str);
        //someService
    }

@Component("myAspect2")
@Aspect
public class MyaspectJ {
@AfterReturning(value ="execution(* *..SomeserviceImpl.doOther2(..))",returning = "res")
    public void myaspectJ2(JoinPoint joinPoint ,Object res){
        System.out.println(joinPoint.getSignature());
        System.out.println(joinPoint.getSignature().getName());
        Object[] args = joinPoint.getArgs();
        for (Object arg : args) {
            System.out.println(arg);
        }
}