server.port=8761
#主机名
eureka.instance.hostname=server
#不做高可用不进行设置
#不把本身注册在注册中心
eureka.client.register-with-eureka=false
#不从eureka上获取服务的注册信息
eureka.client.fetch-registry=false
#服务中心地址
eureka.client.service-url.DEFAULT_ZONE=http://localhost:8761/eureka/

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

package com.cr.provider.service;
import org.springframework.stereotype.Service;
@Service
public class TicketService {public String buyTicket(){return "战狼2";}
}

import org.springframework.web.bind.annotation.RestController;
@RestController
public class TicketController {@AutowiredTicketService ticketService;//通过http协议进行发送的 @GetMapping("/buy")public String getTicket(){return ticketService.buyTicket();}
}

server.port=8081#应用起名字spring.application.name=provider#注册服务时使用服务的ip地址eureka.instance.prefer-ip-address=true#服务中心地址eureka.client.service-url.DEFAULT_ZONE=http://localhost:8761/eureka/

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

package com.cr.consumer.controller;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;@RestController
public class UserController {//用于获取http请求的信息
    @AutowiredRestTemplate restTemplate;@GetMapping("/buyTicket")public  String buyTicket(String name){String ticket = restTemplate.getForObject("http://PROVIDER/buy", String.class);return name + "购买了" + ticket ;}}

server.port=8088spring.application.name=consumer#注册服务时使用服务的ip地址eureka.instance.prefer-ip-address=true#服务中心地址eureka.client.service-url.DEFAULT_ZONE=http://localhost:8761/eureka/

package com.cr.consumer;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;//开启发现服务功能
@EnableDiscoveryClient
@SpringBootApplication
public class ConsumerApplication {public static void main(String[] args) {SpringApplication.run(ConsumerApplication.class, args);}//http请求@LoadBalanced//使用负载均衡机制@Beanpublic RestTemplate restTemplate(){return new RestTemplate();}
}