在SpringCloud 使用Security+Oauth2 时候再去使用fegin，发现出现401未授权

package com.microservice.skeleton.resource.config; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Configuration; import org.springframework.security.oauth2.client.OAuth2RestTemplate; import feign.RequestInterceptor; import feign.RequestTemplate; /** * *用于解决fegin无法传递授权信息 * @author wei_yunbo * @date 2018年5月30日 * @Copyright * * <pre> * =================Modify Record================= * Modifier date Content * wei_yunbo 2018年5月30日 新增 * * </pre> */ @Configuration public class FeignRequestInterceptor implements RequestInterceptor { private final Logger logger = LoggerFactory.getLogger(getClass()); private static final String AUTHORIZATION_HEADER = "Authorization"; private static final String BEARER_TOKEN_TYPE = "Bearer"; @Autowired private OAuth2RestTemplate oAuth2RestTemplate; @Override public void apply(RequestTemplate requestTemplate) { String accessToken = WebContextUtil.getAccessToken(); if(accessToken == null){ accessToken =oAuth2RestTemplate.getAccessToken().getValue(); } logger.debug("RequestInterceptorConfig accessToken :" +accessToken); requestTemplate.header(AUTHORIZATION_HEADER, String.format("%s %s", BEARER_TOKEN_TYPE, accessToken)); } }