@Aspect

public class MyAspect {

    /**

     * 前置通知

     */

    @Before("execution(* com.zejian.spring.springAop.dao.UserDao.addUser(..))")

    public void before(){

        System.out.println("前置通知....");

    }

    /**

     * 后置通知

     * returnVal,切点方法执行后的返回值

     */

    @AfterReturning(value="execution(* com.zejian.spring.springAop.dao.UserDao.addUser(..))",returning = "returnVal")

    public void AfterReturning(Object returnVal){

        System.out.println("后置通知...."+returnVal);

    }

    /**

     * 环绕通知

     * @param joinPoint 可用于执行切点的类

     * @return

     * @throws Throwable

     */

    @Around("execution(* com.zejian.spring.springAop.dao.UserDao.addUser(..))")

    public Object around(ProceedingJoinPoint joinPoint) throws Throwable {

        System.out.println("环绕通知前....");

        Object obj= (Object) joinPoint.proceed();

        System.out.println("环绕通知后....");

        return obj;

    }

    /**

     * 抛出通知

     * @param e

     */

    @AfterThrowing(value="execution(* com.zejian.spring.springAop.dao.UserDao.addUser(..))",throwing = "e")

    public void afterThrowable(Throwable e){

        System.out.println("出现异常:msg="+e.getMessage());

    }

    /**

     * 无论什么情况下都会执行的方法

     */

    @After(value="execution(* com.zejian.spring.springAop.dao.UserDao.addUser(..))")

    public void after(){

        System.out.println("最终通知....");

    }

}

<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"

       xmlns:context="http://www.springframework.org/schema/context"

       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 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- 启动@aspectj的自动代理支持-->

    <aop:aspectj-autoproxy />

    <!-- 定义目标对象 -->

    <bean id="userDaos" class="com.zejian.spring.springAop.dao.daoimp.UserDaoImp" />

    <!-- 定义aspect类 -->

    <bean name="myAspectJ" class="com.zejian.spring.springAop.AspectJ.MyAspect"/>

</beans>

/**

 * Created by zejian on 2017/2/19.*/

@RunWith(SpringJUnit4ClassRunner.class)

@ContextConfiguration(locations= "classpath:spring/spring-aspectj.xml")

public class UserDaoAspectJ {

    @Autowired

    UserDao userDao;

    @Test

    public void aspectJTest(){

        userDao.addUser();

    }

}