第一个Ribbon程序

服务器

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org</groupId>
  <artifactId>ribbon-server</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <dependencies>
  	<dependency>
  		<groupId>org.springframework.boot</groupId>
  		<artifactId>spring-boot-starter-web</artifactId>
  		<version>1.5.7.RELEASE</version>
  	</dependency>
  </dependencies>
</project>

@RestController
public class MyController {
	@RequestMapping(value="/person",method=RequestMethod.GET,
			produces=MediaType.APPLICATION_JSON_VALUE)
	public Person getPerson(HttpServletRequest request){
		Person p=new Person();
		p.setId(1);
		p.setName("angus");
		p.setMessage(request.getRequestURL().toString());
		return p;
	}
}

@SpringBootApplication
public class ServiceApp {
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		String port=scan.nextLine();
		new SpringApplicationBuilder(ServiceApp.class).properties("server.port="+port).run(args);
	}

}

客户端
 

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org</groupId>
  <artifactId>ribbon-client</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <dependencies>
  	<dependency>
  		<groupId>com.netflix.ribbon</groupId>
		<artifactId>ribbon-core</artifactId>
		<version>2.2.2</version>
  	</dependency>
  	<dependency>
  		<groupId>com.netflix.ribbon</groupId>
  		<artifactId>ribbon-httpclient</artifactId>
  		<version>2.2.2</version>
  	</dependency>
  </dependencies>
</project>

public class TestRibbon {
	public static void main(String[] args) throws Exception{
		ConfigurationManager.getConfigInstance().setProperty("my-client.ribbon.listOfServers", "localhost:8080,localhost:8085");
		RestClient client=(RestClient) ClientFactory.getNamedClient("my-client");
		HttpRequest request=HttpRequest.newBuilder().uri("/person").build();
		for(int i=0;i<10;i++){
			HttpResponse response=client.executeWithLoadBalancer(request);
			String json=response.getEntity(String.class);
			System.out.println(json);
		}
	}