切面

  
import org.aspectj.lang.JoinPoint;  
import org.aspectj.lang.ProceedingJoinPoint;  
import org.aspectj.lang.annotation.*;  
import org.springframework.stereotype.Component;  
  
import java.util.Arrays;  
import java.util.List;  

@Aspect  
@Component  
public class ICacheAopAction {  
    @Pointcut("@annotation(com.cdms.aop.ICache)")  
    private void controllerAspect(){}  
  
    @Before("controllerAspect()")  
    public void Before(JoinPoint joinPoint){  
        String classname = joinPoint.getTarget().getClass().getSimpleName();  
        String methodName = joinPoint.getSignature().getName();  
        List<Object> args = Arrays.asList(joinPoint.getArgs());  
        System.out.println("@before Execute! --class name: " + classname + ", method name: " + methodName + " " + args );  
    }  
  
    @Around("controllerAspect()")  
    public Object Around(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {  
        System.out.println("@Around：执行目标方法之前...");  
        Object obj= proceedingJoinPoint.proceed();  
        System.out.println("@Around：执行目标方法之后...");  
        System.out.println("@Around：被织入的目标对象为：" + proceedingJoinPoint.getTarget());  
        System.out.println( "@Around：原返回值：" + obj + "，这是返回结果的后缀");  
        return obj;  
    }  
  
    @AfterThrowing("controllerAspect()")  
    public void AfterThrowing(){  
        System.out.println("异常通知....");  
    }  
  
    @After("controllerAspect()")  
    public void After(JoinPoint point){  
        System.out.println("@After：模拟释放资源...");  
        System.out.println("@After：目标方法为：" +  
                point.getSignature().getDeclaringTypeName() +  
                "." + point.getSignature().getName());  
        System.out.println("@After：参数为：" + Arrays.toString(point.getArgs()));  
        System.out.println("@After：被织入的目标对象为：" + point.getTarget());  
    }  
  
    @AfterReturning("controllerAspect()")  
    public void AfterReturning(JoinPoint point){  
        System.out.println("@AfterReturning：模拟日志记录功能...");  
        System.out.println("@AfterReturning：目标方法为：" +  
                point.getSignature().getDeclaringTypeName() +  
                "." + point.getSignature().getName());  
        System.out.println("@AfterReturning：参数为：" +  
                Arrays.toString(point.getArgs()));  
        System.out.println("@AfterReturning：返回值为：" );  
        System.out.println("@AfterReturning：被织入的目标对象为：" + point.getTarget());  
    }  
  
}```