java的Aop - 技术栈

复制代码

            1）execution(* *(..))
            //表示匹配所有方法

            2）execution(public * com.controller.UserController.*(..))
            //表示匹配com.controller.UserController类或接口中所有的公有方法

            3）execution(* com.controller..*.*(..))
            //表示匹配com.savage.server包及其子包下的所有方法，4大权限修饰符
            //public，protected，private，default

            4）execution(* get*(..))
            //表示以 get开始的方法

            5）execution(* com.controller.*.*(..))
            //controller包下的任何的方法

java 复制代码

 AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext("com.org.zhurenjin.mySpring.aop");
        OperateAddDelchengyi implOperate = (OperateAddDelchengyi)annotationConfigApplicationContext.getBean("implOperate");
        System.out.println(implOperate);
        implOperate.add(2,6);
        implOperate.del(2,6);
        implOperate.chengyi(2,6);

java 复制代码

package com.org.zhurenjin.mySpring.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.stereotype.Component;

import java.util.Arrays;

@Component
@Aspect
@EnableAspectJAutoProxy
public class AopAspect {
    

    @Before("execution(public int com.org.zhurenjin.mySpring.aop.ImplOperate.*(..))")
    public void before(JoinPoint joinPoint){
        String name = joinPoint.getSignature().getName();
        Object[] args = joinPoint.getArgs();
        System.out.println(name+"方法的参数是"+ Arrays.toString(args));
    }


    @AfterReturning(value = "execution(public int com.org.zhurenjin.mySpring.aop.ImplOperate.*(..))",returning = "result")
    public void afterReturn(JoinPoint joinPoint,Object result){
        String name = joinPoint.getSignature().getName();
        System.out.println(name+"方法的返回的数据是"+ result);
    }
}