feign调用时传递token，避免无法访问

ruoyi-framework/src/main/java/com/ruoyi/framework/config/FeignConfig.java

@@ -1,8 +1,12 @@
 package com.ruoyi.framework.config;
 
+import com.alibaba.nacos.client.naming.utils.SignUtil;
+import com.ruoyi.framework.config.properties.TokenProperties;
 import feign.*;
+import lombok.extern.slf4j.Slf4j;
 import okhttp3.ConnectionPool;
 import okhttp3.OkHttpClient;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.cloud.openfeign.EnableFeignClients;
@@ -10,7 +14,13 @@ import org.springframework.cloud.openfeign.FeignAutoConfiguration;
 import org.springframework.cloud.openfeign.support.SpringMvcContract;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
 
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.SortedMap;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -22,8 +32,29 @@ import java.util.concurrent.TimeUnit;
 @Configuration
 @ConditionalOnClass(Feign.class)
 @AutoConfigureBefore(FeignAutoConfiguration.class)
+@Slf4j
 public class FeignConfig {
 
+    @Autowired
+    private TokenProperties tokenProperties;
+
+    @Bean
+    public RequestInterceptor requestInterceptor() {
+        return requestTemplate -> {
+            ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
+            if (null != attributes) {
+                HttpServletRequest request = attributes.getRequest();
+                log.info("Feign request: {}", request.getRequestURI());
+                // 将token信息放入header中
+                String token = request.getHeader(tokenProperties.getHeader());
+                if(token==null || "".equals(token)){
+                    token = request.getParameter("token");
+                }
+                requestTemplate.header(tokenProperties.getHeader(), token);
+            }
+        };
+    }
+
     @Bean
     public OkHttpClient okHttpClient(){
         return new OkHttpClient.Builder()