如何从eureka获取服务的ip和端口号进行Http的调用

package com.util; 
import com.alibaba.fastjson.JSON;
import com.curefun.attendance.appclient.vo.ApplyListVO;
import lombok.extern.slf4j.Slf4j;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import org.apache.commons.lang3.StringUtils;
 
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 

@Slf4j
public class EurekaUtil {
 
    
    private static Pattern PATTERN_URL = Pattern.compile("<homePageUrl>(.+?)</homePageUrl>");
 
    
    private static ConcurrentHashMap<String, List<String>> IP_CACHE = new ConcurrentHashMap<>();
 
    
    private final static String IP_NAME = "goodsIp"; 
 
    
    public static List<String> getAllServiceAddr(String eurekaIp) {
        //先查询缓存
        List<String> list = IP_CACHE.get(IP_NAME);
        if (list != null && list.size() > 0) {
            return list;
        }
        String serviceName = "GOODS";
        String url = eurekaIp + "apps/" + serviceName;
        OkHttpClient okHttpClient = new OkHttpClient().newBuilder().connectTimeout(2, TimeUnit.SECONDS).build();
        Request request = new Request.Builder()
                //请求接口 如果需要传参拼接到接口后面
                .url(url)
                .addHeader("Content-Type", "application/json")
                .addHeader("Accept", "application/xml")
                .get()
                .build();
        Response response = null;
        List<String> result = new ArrayList<>();
        try {
            response = okHttpClient.newCall(request).execute();
            if (response.isSuccessful()) {
                String responseContent = response.body().string();
                Matcher matcher = PATTERN_URL.matcher(responseContent);
                while (matcher.find()) {
                    String homepage = matcher.group(1).trim();
                    result.add(homepage);
                }
            }
        } catch (IOException e) {
            log.error("从eureka中查询GOODS的服务实例出错了.原因是 {}", e.getMessage());
            return result;
        }
        IP_CACHE.put(IP_NAME, result);
        return result;
    } 
 
    
    public static List<ApplyListVO> getProductList(String ip, String userId, Integer state, Integer pageNo, Integer pageSize, String key) {
        if (StringUtils.isBlank(ip)) {
            return Collections.emptyList();
        }
        StringBuilder sb = new StringBuilder(ip);
        sb.append("goods/apply/getStuGoodsApplyList?user_id=").append(userId);
        sb.append("&state=").append(state).append("&pageNo=").append(pageNo);
        sb.append("&pageSize=").append(pageSize);
        if (StringUtils.isNotBlank(key)) {
            sb.append("&key=").append(key);
        }
        long millis = System.currentTimeMillis();
        Request request = new Request.Builder().url(sb.toString()).get().build();
        OkHttpClient okHttpClient = new OkHttpClient().newBuilder().connectTimeout(2, TimeUnit.SECONDS).build();
        try {
            Response response = okHttpClient.newCall(request).execute();
            if (response.isSuccessful()) {
                String string = response.body().string();
                //json的转换.换成我需要的实体对象,为空的不返回null, 一个小技巧
                List<ApplyListVO> applyListVOS = JSON.parseArray(string, ApplyListVO.class);
                if (applyListVOS == null) {
                    applyListVOS = Collections.emptyList();
                }
                long millis2 = System.currentTimeMillis();
                log.info("从周X那里查询到物资的列表,请求的url是:{},返回结果是:{}", sb.toString(), applyListVOS);
                log.info("查询的耗时是(微秒):{}", (millis2 - millis));
                return applyListVOS;
            } else {
                return Collections.emptyList();
            }
        } catch (Exception e) {
            log.error("从周X的接口中查询List信息出错了.原因是 {}", e.getMessage());
            return Collections.emptyList();
        }
    } 
}

eureka:
  server:    #配置属性，但由于 Eureka 自我保护模式以及心跳周期长的原因，
             #经常会遇到 Eureka Server 不剔除已关停的节点的问题
    enable-self-preservation: false # 设为false，关闭自我保护
    eviction-interval-timer-in-ms: 5000 # 清理间隔（单位毫秒，默认是60*1000）启用主动失效，
                                        #并且每次主动失效检测间隔为3s

eureka:
  instance:
    prefer-ip-address: true
    instance-id: ${spring.cloud.client.ip-address}:${server.port}
# spring.cloud.client.ip-address 为 2.x 版本，1.x 版本为 spring.cloud.client.ipAddress
# ${spring.cloud.client.ip-address} 这个值从 org.springframework.cloud.client.HostInfoEnvironmentPostProcessor 中获取

@Override
public void postProcessEnvironment(ConfigurableEnvironment environment,
        SpringApplication application) {
    InetUtils.HostInfo hostInfo = getFirstNonLoopbackHostInfo(environment);
    LinkedHashMap<String, Object> map = new LinkedHashMap<>();
    map.put("spring.cloud.client.hostname", hostInfo.getHostname());
    map.put("spring.cloud.client.ip-address", hostInfo.getIpAddress());
    MapPropertySource propertySource = new MapPropertySource(
            "springCloudClientHostInfo", map);
    environment.getPropertySources().addLast(propertySource);
}