From 42d21d09477ae251b86db3bdecaca53f7db906b5 Mon Sep 17 00:00:00 2001
From: bunny <1319900154@qq.com>
Date: Mon, 26 May 2025 17:44:53 +0800
Subject: [PATCH] =?UTF-8?q?:sparkles:=20=E8=BF=9C=E7=A8=8B=E8=B0=83?=
 =?UTF-8?q?=E7=94=A8-=E5=A3=B0=E6=98=8E=E5=BC=8F=E5=AE=9E=E7=8E=B0?=
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---
 cloud-demo/services/pom.xml                     |  4 ++--
 .../bunny/service/OrderServiceApplication.java  |  2 ++
 .../bunny/service/feign/ProductFeignClient.java | 17 +++++++++++++++++
 .../service/service/impl/OrderServiceImpl.java  |  5 ++++-
 .../src/main/resources/application.yaml         |  2 +-
 5 files changed, 26 insertions(+), 4 deletions(-)
 create mode 100644 cloud-demo/services/service-order/src/main/java/cn/bunny/service/feign/ProductFeignClient.java

diff --git a/cloud-demo/services/pom.xml b/cloud-demo/services/pom.xml
index 5ebf59a..9940483 100644
--- a/cloud-demo/services/pom.xml
+++ b/cloud-demo/services/pom.xml
@@ -70,11 +70,11 @@
         </dependency>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-openfeign</artifactId>
+            <artifactId>spring-cloud-starter-loadbalancer</artifactId>
         </dependency>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-loadbalancer</artifactId>
+            <artifactId>spring-cloud-starter-openfeign</artifactId>
         </dependency>
 
         <!-- knife4j -->
diff --git a/cloud-demo/services/service-order/src/main/java/cn/bunny/service/OrderServiceApplication.java b/cloud-demo/services/service-order/src/main/java/cn/bunny/service/OrderServiceApplication.java
index 1b74aba..ab1c6a1 100644
--- a/cloud-demo/services/service-order/src/main/java/cn/bunny/service/OrderServiceApplication.java
+++ b/cloud-demo/services/service-order/src/main/java/cn/bunny/service/OrderServiceApplication.java
@@ -8,6 +8,7 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
 import org.springframework.cloud.context.config.annotation.RefreshScope;
+import org.springframework.cloud.openfeign.EnableFeignClients;
 import org.springframework.context.annotation.Bean;
 
 import java.util.concurrent.Executor;
@@ -16,6 +17,7 @@ import java.util.concurrent.Executors;
 @SpringBootApplication
 @EnableDiscoveryClient
 @RefreshScope
+@EnableFeignClients
 public class OrderServiceApplication {
     public static void main(String[] args) {
         SpringApplication.run(OrderServiceApplication.class, args);
diff --git a/cloud-demo/services/service-order/src/main/java/cn/bunny/service/feign/ProductFeignClient.java b/cloud-demo/services/service-order/src/main/java/cn/bunny/service/feign/ProductFeignClient.java
new file mode 100644
index 0000000..c3c2e68
--- /dev/null
+++ b/cloud-demo/services/service-order/src/main/java/cn/bunny/service/feign/ProductFeignClient.java
@@ -0,0 +1,17 @@
+package cn.bunny.service.feign;
+
+import cn.bunny.model.product.bean.Product;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+
+// Feign 客户端
+@FeignClient(value = "service-product", path = "/api/product")
+public interface ProductFeignClient {
+
+    // 标注在 Controller 上是接受请求
+    // 标注在 FeignClient 时发送请求
+    @GetMapping("{id}")
+    Product getProduct(@PathVariable("id") Long productId);
+
+}
diff --git a/cloud-demo/services/service-order/src/main/java/cn/bunny/service/service/impl/OrderServiceImpl.java b/cloud-demo/services/service-order/src/main/java/cn/bunny/service/service/impl/OrderServiceImpl.java
index 2fef61d..23feb36 100644
--- a/cloud-demo/services/service-order/src/main/java/cn/bunny/service/service/impl/OrderServiceImpl.java
+++ b/cloud-demo/services/service-order/src/main/java/cn/bunny/service/service/impl/OrderServiceImpl.java
@@ -2,6 +2,7 @@ package cn.bunny.service.service.impl;
 
 import cn.bunny.model.order.bean.Order;
 import cn.bunny.model.product.bean.Product;
+import cn.bunny.service.feign.ProductFeignClient;
 import cn.bunny.service.service.OrderService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -22,6 +23,7 @@ public class OrderServiceImpl implements OrderService {
     private final DiscoveryClient discoveryClient;
     private final RestTemplate restTemplate;
     private final LoadBalancerClient loadBalancerClient;
+    private final ProductFeignClient productFeignClient;
 
     /**
      * 创建订单信息
@@ -32,7 +34,8 @@ public class OrderServiceImpl implements OrderService {
      */
     @Override
     public Order createOrder(Long productId, Long userId) {
-        Product product = getProductFromRemoteWithLoadBalancerAnnotation(productId);
+        // Product product = getProductFromRemoteWithLoadBalancerAnnotation(productId);
+        Product product = productFeignClient.getProduct(productId);
 
         Order order = new Order();
         order.setId(1L);
diff --git a/cloud-demo/services/service-order/src/main/resources/application.yaml b/cloud-demo/services/service-order/src/main/resources/application.yaml
index c4a3033..617c10a 100644
--- a/cloud-demo/services/service-order/src/main/resources/application.yaml
+++ b/cloud-demo/services/service-order/src/main/resources/application.yaml
@@ -5,7 +5,7 @@ spring:
   application:
     name: service-order
   profiles:
-    active: prod
+    active: dev
   cloud:
     nacos:
       server-addr: 192.168.95.135:8848