/// <summary>
    /// 认证客户端
    /// </summary>
    public class AuthClient
    {
        /// <summary>
        /// 认证当前用户
        /// </summary>
        /// <param name="authServerUrl">服务端url</param>
        /// <returns>认证结果信息</returns>
        public AuthResult AuthUser(string authServerUrl)
        {
            string strResponse = string.Empty;
            AuthResult result = new AuthResult();
            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(authServerUrl);
                //request.UseDefaultCredentials = true;
                //request.PreAuthenticate = true;
                request.Credentials = CredentialCache.DefaultCredentials;
                //request.Credentials = CredentialCache.DefaultNetworkCredentials;

                using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
                {
                    using (StreamReader sr = new StreamReader(response.GetResponseStream()))
                    {
                        strResponse = sr.ReadToEnd();
                    }
                }
                //HttpClientHandler handler = new HttpClientHandler()
                //{
                //    Credentials = CredentialCache.DefaultCredentials
                //};
                //HttpClient client = new HttpClient(handler);
                //strResponse = client.GetStringAsync(url);
            }
            catch(Exception e)
            {
                result.ErrCode = 1;
                result.ErrMessage = $"访问接口失败,{e.Message + e.StackTrace}";
                return result;
            }

            JavaScriptSerializer serializer = new JavaScriptSerializer();
            if(!string.IsNullOrWhiteSpace(strResponse))
            {
                try
                {
                    result = serializer.Deserialize<AuthResult>(strResponse);
                    return result;
                }
                catch(Exception e1)
                {
                    result.ErrCode = 2;
                    result.ErrMessage = $"数据转换失败,result:{strResponse},{e1.Message + e1.StackTrace}";
                    return result;
                }
            }

            result.ErrCode = 2;
            result.ErrMessage = $"接口返回了空数据,result:{strResponse}";
            return result;

        }
    }