@FeignClient("guli-cart")
public interface CartFenignService {@GetMapping("/currentUserCartItems")List<OrderItemVo> getCurrentUserCartItems();
}// 这样去掉接口时其实Feign在底层是一个全新的requst所有请求头就没有了解决办法使用Feign远程掉用拦截器，在远程请求是先创建拦截器

@Bean("requestInterceptor")
public RequestInterceptor requestInterceptor() {return new RequestInterceptor() {@Overridepublic void apply(RequestTemplate template) {/*** 把以前的Cookie放到新请求中去   原理就是运用了同一线程数据共享   ThreadLocal*/ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();HttpServletRequest request = attributes.getRequest();String cookie = request.getHeader("Cookie");template.header("Cookie", cookie);}};
}