Update: 集成 Feign Client 和 Ribbon

service-consumer/pom.xml

@@ -43,7 +43,15 @@
             <artifactId>spring-cloud-starter-loadbalancer</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-openfeign</artifactId>
+        </dependency>
 
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-loadbalancer</artifactId>
+        </dependency>
 
     </dependencies>
 

service-consumer/src/main/java/cn/hezhaohui/serviceconsumer/ServiceConsumerApplication.java

@@ -2,8 +2,12 @@ package cn.hezhaohui.serviceconsumer;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.cloud.openfeign.EnableFeignClients;
 
 @SpringBootApplication
+@EnableFeignClients
+@EnableDiscoveryClient
 public class ServiceConsumerApplication {
     public static void main(String[] args) {
         SpringApplication.run(ServiceConsumerApplication.class, args);

service-consumer/src/main/java/cn/hezhaohui/serviceconsumer/client/ServiceProducerClient.java

@@ -0,0 +1,11 @@
+package cn.hezhaohui.serviceconsumer.client;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@FeignClient(name = "service-producer")
+public interface ServiceProducerClient {
+
+    @GetMapping("/api/number")
+    String getNumber();
+}

service-consumer/src/main/java/cn/hezhaohui/serviceconsumer/controller/ConsumeController.java

@@ -1,5 +1,6 @@
 package cn.hezhaohui.serviceconsumer.controller;
 
+import cn.hezhaohui.serviceconsumer.client.ServiceProducerClient;
 import jakarta.annotation.Resource;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -11,11 +12,11 @@ import org.springframework.web.client.RestTemplate;
 public class ConsumeController {
 
     @Resource
-    private RestTemplate restTemplate;
+    private ServiceProducerClient serviceProducerClient;
 
     @GetMapping("/print")
     public String print() {
-        String number = restTemplate.getForObject("http://service-producer/api/number", String.class);
+        String number = serviceProducerClient.getNumber();
         return "[Generate]: " + number;
     }
 

service-consumer/src/main/resources/bootstrap.yml

@@ -8,4 +8,4 @@ spring:
 eureka:
   client:
     service-url:
-      defaultZone: http://localhost:8761/eureka
+      defaultZone: http://localhost:8761/eureka/

service-producer/src/main/java/cn/hezhaohui/serviceproducer/ServiceProducerApplication.java

@@ -4,7 +4,6 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
-
 public class ServiceProducerApplication {
     public static void main(String[] args) {
         SpringApplication.run(ServiceProducerApplication.class, args);

service-producer/src/main/resources/bootstrap.yml

@@ -8,4 +8,4 @@ spring:
 eureka:
   client:
     service-url:
-      defaultZone: http://localhost:8761/eureka
+      defaultZone: http://localhost:8761/eureka/