spring配置文件：

切入：

package cn.itcast.service;import org.aspectj.lang.ProceedingJoinPoint;/** * 切面 * */public class MyInterceptor {        public void doAccessCheck() {        System.out.println("前置通知");    }    public void doAfterReturning() {        System.out.println("后置通知");    }        public void doAfter() {        System.out.println("最终通知");    }        public void doAfterThrowing() {        System.out.println("例外通知");    }        public Object doBasicProfiling(ProceedingJoinPoint pjp) throws Throwable {        System.out.println("进入方法");        Object result = pjp.proceed();        System.out.println("退出方法");        return result;    }    }