SpringBoot2.0.0使用FeignClient进行服务间的调用，传递headers信息

@Bean

public RequestInterceptorrequestTokenBearerInterceptor() {

return new RequestInterceptor() {

@Override

        public void apply(RequestTemplate requestTemplate) {

OAuth2AuthenticationDetails details = (OAuth2AuthenticationDetails)

SecurityContextHolder.getContext().getAuthentication().getDetails();

            requestTemplate.header("Authorization", "bearer " + details.getTokenValue());

        }

};

}