添加feign拦截器，适配无网络隔离时token的传递

zlt-commons/zlt-ribbon-spring-boot-starter/pom.xml

@@ -28,5 +28,10 @@
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-oauth2</artifactId>
+            <optional>true</optional>
+        </dependency>
     </dependencies>
 </project>

zlt-commons/zlt-ribbon-spring-boot-starter/src/main/java/com/central/common/ribbon/annotation/EnableFeignInterceptor.java

+package com.central.common.ribbon.annotation;
+
+import com.central.common.ribbon.config.FeignInterceptorConfig;
+import org.springframework.context.annotation.Import;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * 在启动类上添加该注解来----开启自动登录用户对象注入
+ * Token转化SysUser
+ *
+ * @author zlt
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Import(FeignInterceptorConfig.class)
+public @interface EnableFeignInterceptor {
+
+}

zlt-commons/zlt-ribbon-spring-boot-starter/src/main/java/com/central/common/ribbon/config/FeignInterceptorConfig.java

+package com.central.common.ribbon.config;
+
+import feign.RequestInterceptor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.oauth2.common.OAuth2AccessToken;
+import org.springframework.security.oauth2.provider.OAuth2Authentication;
+import org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationDetails;
+
+/**
+ * feign拦截器
+ *
+ * @author zlt
+ */
+public class FeignInterceptorConfig {
+
+    /**
+     * 使用feign client访问别的微服务时，将access_token放入参数或者header ，Authorization:Bearer xxx
+     * 或者url?access_token=xxx
+     */
+    @Bean
+    public RequestInterceptor requestInterceptor() {
+        RequestInterceptor requestInterceptor = template -> {
+            Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+            if (authentication != null) {
+                if (authentication instanceof OAuth2Authentication) {
+                    OAuth2AuthenticationDetails details = (OAuth2AuthenticationDetails) authentication.getDetails();
+                    String access_token = details.getTokenValue();
+                    template.header("Authorization", OAuth2AccessToken.BEARER_TYPE + " " + access_token);
+                }
+            }
+        };
+        return requestInterceptor;
+    }
+}