SpringAop如何通过某个子类切父类

package com.zjy;
public abstract class A{
 public void a(){
  system.out.printlin("【a】方法被调用");
 }
}
package com.zjy;
public class B extends A{
 public void b(){
  system.out.printlin("【b】方法被调用");
 }
}
package com.zjy;
public class C extends A{
 public void c(){
  system.out.printlin("【c】方法被调用");
 }
}
package com.zjy;
public class D extends A{
 public void d(){d
  system.out.printlin("【d】方法被调用");
 }
}

 @Before("execution(* com.zjy.*.*(..))")
    public void dealOtherServicePointcut(JoinPoint joinPoint) {
        Object aThis = joinPoint.getThis();
        if((aThis instanceof B )){
            String name = joinPoint.getSignature().getName();
            log.info("进入前置方法****************************************************["+name+"]");
        }
    }

 @Before("execution(* com.zjy..*.*(..))")
    public void dealOtherServicePointcut(JoinPoint joinPoint) {
        Object aThis = joinPoint.getThis();
        if((aThis instanceof B )){
            String name = joinPoint.getSignature().getName();
            log.info("进入前置方法****************************************************["+name+"]");
        }
    }

<aop:aspect id="myAspect" ref="loggerAop">
   <aop:pointcut id="daoPointcut" expression="execution(* com.shop.jn.dao.*.*(..))" />
   <aop:around pointcut-ref="daoPointcut" method="around" />
  </aop:aspect>

<aop:aspect id="myAspect" ref="loggerAop">
           <aop:pointcut id="daoPointcut" expression="execution(* com.shop.jn.dao..*.*(..))" />
           <aop:around pointcut-ref="daoPointcut" method="around" />
       </aop:aspect>