增加 spring eureka 用例

spring-cloud/spring-cloud-eureka/eureka-client/src/main/java/com/heibaiying/eurekaclient/EurekaClientApplication.java

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+package com.heibaiying.eurekaclient;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+
+@SpringBootApplication
+@EnableDiscoveryClient
+public class EurekaClientApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(EurekaClientApplication.class, args);
+    }
+
+}
+

spring-cloud/spring-cloud-eureka/eureka-client/src/main/java/com/heibaiying/eurekaclient/controller/InfoController.java

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+package com.heibaiying.eurekaclient.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cloud.client.discovery.DiscoveryClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author : heibaiying
+ */
+
+@RestController
+public class InfoController {
+
+    @Autowired
+    private DiscoveryClient discoveryClient;
+
+    @GetMapping("info")
+    public String info() {
+        return discoveryClient.description();
+    }
+}

spring-cloud/spring-cloud-eureka/eureka-client/src/main/resources/application.yml

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+server:
+  port: 8020
+# 指定服务命名
+spring:
+  application:
+    name: eureka-client
+# 指定注册中心地址
+eureka:
+  client:
+    serviceUrl:
+      defaultZone: http://localhost:8010/eureka/