Spring-AOP切面的优先级

/*
* 可以使用@Order 注解指定切面的优先级，值越小优先级越高
* */
@Order(2)
@Component
@Aspect
public class LoggingAspect {
    /**
     * 在每一个接口的实现类的每一个方法开始之前执行一段代码
     */

    @Before("execution(public int com.atguigu.spring.aop.ArithmeticCalculator.* (..))")
    public void beforeMethod(JoinPoint joinPoint){
        String methodName = joinPoint.getSignature().getName();
        Object[] args = joinPoint.getArgs();

        System.out.println("The method "+methodName+" begins with "+ Arrays.asList(args));
    }
}

@Order(1)
@Aspect
@Component
public class VlidationAspect {

    @Before("execution(public int com.atguigu.spring.aop.ArithmeticCalculator.* (..))")
    public void validateArgs(JoinPoint joinPoint){
        System.out.println("------->validate:" + Arrays.asList(joinPoint.getArgs()));
    }
}