微变量逻辑Python数据分析班

@Aspect@Componentpublic class OrderLogAspect {    @Before("execution(public void com.alanchen.demo.aspect.OrderService.order())")    public void beforeOrder(JoinPoint joinPoint){        //通过joinPoint可以取到被代理的类OrderService        OrderService orderService = (OrderService)joinPoint.getTarget();        System.out.println("执行下单接口前，打印的切面日志");    }}