RequestContextHolder.setRequestAttributes(RequestContextHolder.getRequestAttributes(), true);

import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.context.request.RequestAttributes;
@Slf4j
public class RequestAttributeContext {
    private static final ThreadLocal<RequestAttributes> context = new InheritableThreadLocal<>();
    public static void setAttribute(RequestAttributes attributes) {
        if (null == attributes) {
            log.debug("RequestAttributes is null");
        }
        context.set(attributes);
    }
    public static RequestAttributes getAttribute() {
        return context.get();
    }
    public static void removeAttribute() {
        context.remove();
    }
}

import com.alibaba.fastjson.JSON;
import com.nghsmart.ar.context.RequestAttributeContext;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@Slf4j
@Configuration
public class RequestAttributeInterceptor implements HandlerInterceptor, WebMvcConfigurer {
    /**
     * 重寫 WebMvcConfigurer 的 addInterceptors，將 RequestAttributeInterceptor 添加到攔截器列表
     *
     * @param registry
     */
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(this).addPathPatterns("/**").excludePathPatterns("/swagger-resources/**", "/v2/api-docs/**");
    }
    /**
     * 重寫 HandlerInterceptor 的 preHandle，在請(qǐng)求開(kāi)始處理前，將 RequestAttribute 存入 RequestAttributeContext
     *
     * @param request  current HTTP request
     * @param response current HTTP response
     * @param handler  chosen handler to execute, for type and/or instance evaluation
     * @return
     * @throws Exception
     */
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
        RequestAttributeContext.setAttribute(requestAttributes);
        return true;
    }
}

import com.nghsmart.ar.context.RequestAttributeContext;
import com.nghsmart.common.core.utils.ServletUtils;
import com.nghsmart.common.core.utils.StringUtils;
import com.nghsmart.common.core.utils.ip.IpUtils;
import com.nghsmart.common.security.constant.FeignRequestHeader;
import feign.RequestInterceptor;
import feign.RequestTemplate;
import lombok.extern.slf4j.Slf4j;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.AbstractRequestAttributes;
import org.springframework.web.context.request.FacesRequestAttributes;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import javax.servlet.http.HttpServletRequest;
import java.util.Map;
@Slf4j
@Order(1)
@Component
public class BizFeignRequestInterceptor implements RequestInterceptor {
    @Override
    public void apply(RequestTemplate requestTemplate) {
        RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
        if (null! = attributes) {
            ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes) attributes;
            String token = servletRequestAttributes.getRequest().getHeader("token");
            requestTemplate.header("token",token);
        }else {
            RequestAttributes requestAttributes = RequestAttributeContext.getAttribute();
            if (null != requestAttributes) {
                RequestContextHolder.setRequestAttributes(requestAttributes);
            } else {
                log.debug("requestAttributes is null");
            }
            ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes) requestAttributes;
            String token = servletRequestAttributes.getRequest().getHeader("token");
            requestTemplate.header("token",token);
        }
    }
}