AOP中的环绕通知

@Around("aspect()")
public void around(JoinPoint joinPoint){

    //获取目标类
    Object target = joinPoint.getTarget().getClass().getName();
    System.out.println(target);

    //获取调用方法中参数的值
    Object [] args = joinPoint.getArgs();
    for (Object obj:args){
        System.out.println(obj);
    }

    //获取调用的方法名
    Object methodName = joinPoint.getSignature();
    System.out.println(methodName);
}