java接口定义统一的异常处理，aop

   

  环绕通知获取方法入参的方法

 Object[] args = joinPoint.getArgs();

  指定拦截带有注解的写法

  

    @Pointcut("@annotation(com.springboot_aop.abc)")
    public void homeWorkPointcut() {
        System.out.println();
    }

  统一异常处理，aop

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

import java.util.HashMap;
import java.util.Map;

@Aspect
@Component
public class TestAop {


    /**
     * 定义切入点
     */
    @Pointcut("execution(* com.springboot_aop.controller.*.*(..))")
    public void homeWorkPointcut() {
        System.out.println();
    }


    @Before("homeWorkPointcut()")
    public void test01() {
        System.out.println("执行前///////");
    }

    @After("homeWorkPointcut()")
    public void test02() {
        System.out.println("执行后////");
    }

    @Around("homeWorkPointcut()")
    public Object deAround(ProceedingJoinPoint joinPoint) throws Throwable {
        System.out.println("环绕前/////");
        try {
            return  joinPoint.proceed();
        }catch (Throwable e){
            Map<String, Object> data = new HashMap<>();
            data.put("code","500");
            data.put("msg",e.getMessage());
            e.printStackTrace();
            return data;
        }
    }

}