springboot中springAOP的使用

  <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
        </dependency>

package cn.fff.test.aop;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface TrackTime {
    String param() default "";
}

package cn.fff.test.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class TrackTimeAspect {

    @Pointcut("execution(* cn.fff.test.GirlService.aopDemo(..))")
    public void aopDemo() {}

    @Before("TrackTimeAspect.aopDemo()")
    public void before(JoinPoint joinPoint) {
        System.out.println(" -------------> Before Aspect ");
        System.out.println(" -------------> before execution of " + joinPoint);
    }

    /*@Around("@annotation(trackTime)")
    public Object around(ProceedingJoinPoint joinPoint, TrackTime trackTime) throws Throwable {
        Object result = null;
        long startTime = System.currentTimeMillis();
        result = joinPoint.proceed();
        long timeTaken = System.currentTimeMillis() - startTime;
        System.out.println(" -------------> Time Taken by " + joinPoint + " with param[" + trackTime.param() + "] is " + timeTaken);
        return result;
    }*/

    @Around("@annotation(trackTime)")
    public void around(ProceedingJoinPoint joinPoint, TrackTime trackTime) throws Throwable {
        System.out.println("玩地地道道的");
        joinPoint.proceed();

        System.out.println(" -------------> Time Taken by " + joinPoint + " with param[" + trackTime.param() + "] is ");

    }
}

package cn.fff.test;

import cn.fff.test.aop.TrackTime;
import org.springframework.stereotype.Service;

@Service
public class GirlService {


    @TrackTime(param = "myService")
    public void getAge(Integer id){

        Integer age =id;
        System.out.println("环绕通知");
        if (age <= 10) {
            throw new GirlException(ResultEnum.PRIMARY_SCHOOL);
        }

        if (age < 16) {
            throw new GirlException(ResultEnum.MIDDLE_SCHOLL);
        }
    }

    public void aopDemo() {
        System.out.println("defdfdfdfddfdf");
    }



}