spring cloud 获取服务发现的服务信息

gitee地址 https://gitee.com/aquari/spring_cloud_all

package com.springCloudAll.web;

import com.springCloudAll.client.TestClient;
import com.springCloudAll.service.TestService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.net.URI;
import java.util.List;

/**
 * Created by YouGuessWho on 2017/4/27.
 */
@RequestMapping(value="/discoveryTest")
@RestController
public class DiscoveryTestController {

    @Autowired
    private DiscoveryClient client;

    @Autowired
    private LoadBalancerClient loadBalancer;

    /**
     * 服务发现测试
     * @return
     */
    @RequestMapping("/getServiceData")
    public  String getSentence() {
        return  "discovery service and get data:"+getWord("TEST_SERVICE");//大小写不区分
    }

    /**
     * 负载均衡
     * @param service
     * @return
     */
    @RequestMapping("/getWordRibbon")
    public String getWordRibbon(String service) {
        ServiceInstance instance = loadBalancer.choose("TEST_SERVICE");
        return (new RestTemplate()).getForObject(instance.getUri(),String.class);
    }

    @RequestMapping("/getWordHystrix")
    public String getWordHystrix() {
        return  "Hystrix get data:"+testService.getWordHystrix();
    }


    private String getWord(String service) {
        List<String> tt = client.getServices();
        List<ServiceInstance> list = client.getInstances(service);
        if (list != null && list.size() > 0 ) {
            URI uri = list.get(0).getUri();
            if (uri !=null ) {
                return (new RestTemplate()).getForObject(uri,String.class);
            }
        }
        return null;
    }
}