gateway demo

whatsmars-spring-cloud/README.md

 # Spring Cloud
 
-依次启动eureka,provider,consumer
+依次启动eureka,provider,consumer,gateway
 1. 直接访问 localhost:8763/hi?name=hongxi
+1. 通过网关访问 localhost:8764/demo-consumer/hi?name=hongxi
 1. 停掉provider，再次进行上面的访问
 
 https://github.com/spring-cloud/spring-cloud-netflix <br>

whatsmars-spring-cloud/whatsmars-cloud-gateway/pom.xml

@@ -16,6 +16,10 @@
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-gateway</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
+        </dependency>
     </dependencies>
 
 </project>
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whatsmars-spring-cloud/whatsmars-cloud-gateway/src/main/java/org/hongxi/whatsmars/cloud/gateway/GatewayApplication.java

@@ -2,10 +2,12 @@ package org.hongxi.whatsmars.cloud.gateway;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
 
 /**
  * Created by shenhongxi on 2020/7/12.
  */
+@EnableDiscoveryClient
 @SpringBootApplication
 public class GatewayApplication {
     public static void main(String[] args) {

whatsmars-spring-cloud/whatsmars-cloud-gateway/src/main/resources/application.yml

+spring:
+  application:
+    name: demo-gateway
+  cloud:
+    gateway:
+      discovery:
+        locator:
+          enabled: true
+          lower-case-service-id: true
+eureka:
+  client:
+    service-url:
+      defaultZone: http://localhost:8761/eureka/
+server:
+  port: 8764
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