Spring Cloud微服务 服务注册与发现

创建“服务提供方”

pom.xml

<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
4000
<version>1.5.1.RELEASE</version>
<relativePath/>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>Camden.SR5</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
</dependencies>

application.properties

spring.application.name=provider-test
info.version=@project.version@
server.port=2222

# 服务注册中心地址
eureka.client.serviceUrl.defaultZone=http://localhost:8888/eureka/

@SpringBootApplication
@EnableDiscoveryClient
public class ProviderTestApplication {

public static void main(String[] args) {
SpringApplication.run(ProviderTestApplication.class, args);
}
}

@RestController
public class TestController {

private final Logger logger = Logger.getLogger(getClass());

@Autowired
private DiscoveryClient client;

@RequestMapping(value = "/add", method = RequestMethod.GET, produces = "application/json; charset=UTF-8")
public Integer add(@RequestParam Integer a, @RequestParam Integer b) {
ServiceInstance instance = client.getLocalServiceInstance();
Integer r = a + b;
logger.info("/add, host:" + instance.getHost() + ", service_id:" + instance.getServiceId() + ", result:" + r);
return r;
}
}