【SpringCloud】三、Eureka

    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
    </dependency>

server:
  port: 7001

eureka:
  instance:
    hostname: locathost #eureka服务端的实例名称
  client:
    #false表示不向注册中心注册自己。
    register-with-eureka: false
    #false表示自己端就是注册中心，我的职责就是维护服务实例，并不需要去检索服务
    fetch-registry: false
    service-url:
      #设置与Eureka server交互的地址查询服务和注册服务都需要依赖这个地址。
      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/

    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
    </dependency>

server:
  port: 1080

spring:
  application:
    name: cloud-order-service

eureka:
  instance:
    # 注册中心展示的名称
    instance-id: order1080
    # 注册中心实例展示ip地址
    prefer-ip-address: true
  client:
    #表示是否将自己注册进Eurekaserver默认为true。
    register-with-eureka: true
    #是否从EurekaServer抓取已有的注册信息，默认为true。单节点无所谓，集群必须设置为true才能配合ribbon使用负载均衡
    fetchRegistry: true
    service-url:
      defaultZone: http://localhost:7001/eureka

    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
    </dependency>

server:
  port: 8001

spring:
  application:
    name: cloud-payment-service
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource            # 当前数据源操作类型
    driver-class-name: org.gjt.mm.mysql.Driver              # mysql驱动包
    url: jdbc:mysql://${mysql.addr}/cloud2020?useUnicode=true&characterEncoding=utf-8&useSSL=false
    username: ${mysql.user}
    password: ${mysql.pwd}

mybatis:
  mapperLocations: classpath:mapper/*.xml
  type-aliases-package: com.yuyy.springcloud.entities    # 所有Entity别名类所在包

eureka:
  instance:
    instance-id: payment8001
    prefer-ip-address: true
  client:
    #表示是否将自己注册进Eurekaserver默认为true。
    register-with-eureka: true
    #是否从EurekaServer抓取已有的注册信息，默认为true。单节点无所谓，集群必须设置为true才能配合ribbon使用负载均衡
    fetchRegistry: true
    service-url:
      defaultZone: http://localhost:7001/eureka

eureka:
  instance:
    # 注册中心展示的名称
    instance-id: order1080
    # 注册中心实例展示ip地址
    prefer-ip-address: true

@EnableDiscoveryClient
@EnableEurekaClient
@SpringBootApplication
public class OrderMain1080 {
    public static void main(String[] args) {
        SpringApplication.run(OrderMain1080.class, args);
    }
}

@Slf4j
@RestController()
@RequestMapping("/consumer")
public class OrderController {

    public static final String PAYMENT_URL = "http://CLOUD-PAYMENT-SERVICE";

    @Resource
    private RestTemplate restTemplate;
    @Resource
    private DiscoveryClient discoveryClient;

    @GetMapping("/discovery")
    public Object discovery(){
        Map<String, Object> result = new HashMap<>();
        result.put("services", discoveryClient.getServices());
        result.put("instances", discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE"));
        return result;
    }

{
  "app": {
    "name": "cloud-order-service"
  },
  "company": {
    "name": "com.yuyy.springcloud"
  },
  "build": {
    "artifactId": "cloud-consumer-order1080",
    "version": "1.0-SNAPSHOT"
  }
}

<build>
  <resources>
    <resource>
      <directory>src/main/resources</directory>
      <filtering>true</filtering>
    </resource>
  </resources>
</build>

info:
  app:
    name: ${spring.application.name}
  company:
    name: @project.groupId@
  build:
    artifactId: @project.artifactId@
    version: @project.version@