根据service名字获得真实的URL

 @Autowired
 DiscoveryClient discoveryClient;
 
/**
 * 根据gateway的service名字获得真实的URL
 *
 * @return
 */
public List<String> getAccountServiceUrl() {
    List<String> serviceUrls = discoveryClient.getInstances("account-service").stream()
            .map(a -> a.getUri().toString())
            .collect(Collectors.toList());
    return serviceUrls;
}

    
/**
 * 获取instance信息
 *
 * @return
 */
public List<ServiceInstance> serviceUrl(String serviceName) {
    List<ServiceInstance> instances = discoveryClient.getInstances(serviceName);
    return instances;
}