
@Configuration
public class FeignConfig {
    @Bean("requestInterceptor")
    public RequestInterceptor requestInterceptor() {
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate requestTemplate) {
                //拿到刚进来的这个请求
                ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                HttpServletRequest request = attributes.getRequest();
                //同步请求头数据,cookie
                String cookie = request.getHeader("Cookie");
                requestTemplate.header("Cookie", cookie);
            }
        };
    }
}
原文:https://www.cnblogs.com/liuA/p/14348696.html