springboot -切片攔截

 <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
        </dependency>

/**
 * @Auther: Jhon Li
 * @Date: 2018/12/20 13:15
 * @Description:  切片攔截能拿到請求的參數
 * 能拿到原始請求的方法中的值,但是拿不到原始http響應的請求對象了
 *
 * 請求順序   filter-> interceptor -> controllerAdvice ->Aspect  -->Controller
 *
 */

@Aspect
@Component
public class TimeAspect {
//指定在那個方法或者controller攔截
    @Around("execution(* com.lyc.controller.UserController.*(..))")
    public Object handControllerMethod(ProceedingJoinPoint pjp) throws Throwable {
        System.out.println("time aspect start");

        Object[] args = pjp.getArgs();  //拿到方法的參數
        for (Object arg : args) {
            System.out.println(arg);
        }
        long start = new Date().getTime();
        Object proceed = pjp.proceed();

        System.out.println("timeaspect 耗時:"+(new Date().getTime()-start));
        System.out.println("time aspect end");


        return proceed;
    }
}