feign传递token

public class FeignInterceptor implements RequestInterceptor {

@Override
public void apply(RequestTemplate requestTemplate) {
    ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
    if (requestAttributes == null){
        return;
    }
    HttpServletRequest httpServletRequest = requestAttributes.getRequest();
    //设置tokenid
    requestTemplate.header("tokenId",httpServletRequest.getHeader("tokenId"));

/**
 * 网关或者线程池内有时候没有request
 * 如果使用线程池：RequestContextHolder.setRequestAttributes(RequestContextHolder.getRequestAttributes(), true);
 */

}

}