spring cloud（学习笔记） Enreka服务治理

 1 <properties>
 2         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 3         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 4         <java.version>1.8</java.version>
 5         <spring-cloud.version>Finchley.RELEASE</spring-cloud.version>
 6     </properties>
 7 
 8     <dependencies>
 9         <dependency>
10             <groupId>org.springframework.boot</groupId>
11             <artifactId>spring-boot-starter-web</artifactId>
12         </dependency>
13         <dependency>
14             <groupId>org.springframework.cloud</groupId>
15             <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
16         </dependency>
17 
18         <dependency>
19             <groupId>org.springframework.boot</groupId>
20             <artifactId>spring-boot-starter-test</artifactId>
21             <scope>test</scope>
22         </dependency>
23     </dependencies>
24 
25     <dependencyManagement>
26         <dependencies>
27             <dependency>
28                 <groupId>org.springframework.cloud</groupId>
29                 <artifactId>spring-cloud-dependencies</artifactId>
30                 <version>${spring-cloud.version}</version>
31                 <type>pom</type>
32                 <scope>import</scope>
33             </dependency>
34         </dependencies>
35     </dependencyManagement>
36 
37     <build>
38         <plugins>
39             <plugin>
40                 <groupId>org.springframework.boot</groupId>
41                 <artifactId>spring-boot-maven-plugin</artifactId>
42             </plugin>
43         </plugins>
44     </build>

1 server.port=9000
2 
3 spring.application.name=eureka-server
4 spring.profiles.active=dev
5 
6 eureka.instance.hostname=localhost
7 eureka.client.register-with-eureka=false
8 eureka.client.fetch-registry=false
9 eureka.server.enable-self-preservation=false

 1 package com.example.enrekaserver;
 2 
 3 import org.springframework.boot.SpringApplication;
 4 import org.springframework.boot.autoconfigure.SpringBootApplication;
 5 import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
 6 
 7 @EnableEurekaServer
 8 @SpringBootApplication
 9 public class EnrekaServerApplication {
10     public static void main(String[] args) {
11         SpringApplication.run(EnrekaServerApplication.class, args);
12     }
13 }

 1 package com.example.demoOne;
 2 
 3 import org.springframework.boot.SpringApplication;
 4 import org.springframework.boot.autoconfigure.SpringBootApplication;
 5 import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
 6 
 7 @EnableDiscoveryClient
 8 @SpringBootApplication
 9 public class DemoOneApplication {
10     public static void main(String[] args) {
11         SpringApplication.run(DemoOneApplication.class, args);
12     }
13 }

1 spring.application.name=demoOne-service
2 spring.profiles.active=dev
3 eureka.client.service-url.defaultZone=http://localhost:9000/eureka/

 1 package com.example.demoOne.didispace;
 2 
 3 import org.springframework.beans.factory.annotation.Autowired;
 4 
 5 import org.springframework.cloud.client.ServiceInstance;
 6 import org.springframework.cloud.client.discovery.DiscoveryClient;
 7 import org.springframework.web.bind.annotation.RequestMapping;
 8 import org.springframework.web.bind.annotation.RequestMethod;
 9 import org.springframework.web.bind.annotation.RestController;
10 
11 import java.util.logging.Logger;
12 
13 @RestController
14 public class HelloController {
15     private  final Logger logger=Logger.getLogger(String.valueOf(getClass()));
16 
17     @Autowired
18     private DiscoveryClient client;
19 
20     @RequestMapping(value = "/hello",method = RequestMethod.POST)
21     public String index(){
22         ServiceInstance instance = (ServiceInstance) client.getServices();
23         logger.info("/hello,host:"+instance.getHost()+",service_id:"+instance.getServiceId());
24         return "hello world";
25     }
26 }