Eureka客户端

1.pom文件引入依赖

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

2.修改yml配置文件

eureka:
  client:
    register-with-eureka: true
    fetch-registry: true
    service-url:
      defaultZone: http://localhost:7001/eureka,http://localhost:7002/eureka
  instance:
    instance-id: order80
    prefer-ip-address: true
    ## 客户端向eureka服务端发送心跳间隔的时间，默认30s
    lease-renewal-interval-in-seconds: 1
    ## Eureka服务端收到最后一次心跳的等待时间上限，默认90s,否则剔除服务
    lease-expiration-duration-in-seconds: 2

3.主启动类上添加 @EnableEurekaServer 注解

@SpringBootApplication
@EnableEurekaClientpublic class OrderMain80 {
    public static void main(String[] args) {
        SpringApplication.run(OrderMain80.class, args);
    }
}

Eureka服务端

1.pom文件引入依赖

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

2.修改yml配置文件

eureka:
  instance:
    ## 服务端实例名称
    hostname: zxz1
  client:
    ## 不向注册中心注册自己
    register-with-eureka: false
    ## false表示自己就是注册中心，不从eureka服务检索服务信息
    fetch-registry: false
    service-url:
      defaultZone: http://localhost:7002/eureka
  server:
    ## 禁用保护机制
    enable-self-preservation: false
    ## 设置剔除服务的时间
    eviction-interval-timer-in-ms: 2000

3.主启动类上添加 @EnableEurekaServer 注解

@SpringBootApplication
@EnableEurekaServer
public class EurekaMain7001 {
    public static void main(String[] args) {
        SpringApplication.run(EurekaMain7001.class, args);
    }
}