Spring Cloud之DiscoveryClient使用

package com.toov5.api.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
@SpringBootApplication
@EnableDiscoveryClient //如果服务使用consul或者zk使用这个注解 向注册中心注册服务
public class zkOrderApiControllerRibbon {
    @Value("${server.port}")
    private String serverPort;
    @Autowired
    private RestTemplate restTemplate;
    @Autowired
    private DiscoveryClient discoveryClient;
    
    @RequestMapping("/orderToMember")
  public String orderToMember() {
        String url ="http://zk-member/getMember"; 
        return restTemplate.getForObject(url, String.class);
  }
    
    @RequestMapping("/discoveryMember")
    public List<ServiceInstance> discoveryMember() {
        List<ServiceInstance> instances = discoveryClient.getInstances("zk-member");
        for (ServiceInstance serviceInstance : instances) {
            System.out.println("url"+serviceInstance.getUri());
        }
        return instances;
    }
    
    public static void main(String[] args) {
        SpringApplication.run(zkOrderApiControllerRibbon.class, args);
    }
    @Bean
    @LoadBalanced
    RestTemplate restTemplate() {
        return new RestTemplate();
    }
}