首页微服务集成Sentinel，实现小说服务调用的熔断降级

novel-home/pom.xml

@@ -23,12 +23,12 @@
 
 
         <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-openfeign</artifactId>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
         </dependency>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-netflix-hystrix</artifactId>
+            <artifactId>spring-cloud-starter-openfeign</artifactId>
         </dependency>
 
 

novel-home/src/main/java/com/java2nb/novel/home/feign/BookFeignClient.java

@@ -1,6 +1,7 @@
 package com.java2nb.novel.home.feign;
 
 import com.java2nb.novel.book.api.BookApi;
+import com.java2nb.novel.home.feign.fallback.BookFeignFallback;
 import org.springframework.cloud.openfeign.FeignClient;
 
 /**
@@ -9,7 +10,9 @@ import org.springframework.cloud.openfeign.FeignClient;
  * @version 1.0
  * @since 2020/5/28
  */
-@FeignClient("book-service")
+
+@FeignClient(name = "book-service",fallback = BookFeignFallback.class)
 public interface BookFeignClient extends BookApi {
 
+
 }

novel-home/src/main/java/com/java2nb/novel/home/feign/fallback/BookFeignFallback.java

@@ -0,0 +1,15 @@
+package com.java2nb.novel.home.feign.fallback;
+
+import com.java2nb.novel.book.api.fallback.BookApiFallback;
+import com.java2nb.novel.home.feign.BookFeignClient;
+import org.springframework.stereotype.Service;
+
+/**
+ * 小说Feign客户端降级处理类(服务消费端，自定义降级处理)
+ * @author xiongxiaoyang
+ * @version 1.0
+ * @since 2020/6/7
+ */
+@Service
+public class BookFeignFallback extends BookApiFallback implements BookFeignClient {
+}

novel-home/src/main/resources/application.yml

@@ -1,4 +1,6 @@
 spring:
   profiles:
     include: [common]
-
+feign:
+  sentinel:
+    enabled: true