public class IpHttpClient:BaseHttpClient

    {

        private String appKey;

        private const string HOST_PATH = "http://apis.baidu.com/apistore/iplookupservice/iplookup";

        public IpHttpClient()

        {

            this.appKey = BaseHelper.GetValue("BaiduAppKey");

        }

        /// <summary>

        /// HTTP 验证

        /// </summary>

        /// <returns></returns>

        public override Dictionary<string, string> Authorization()

        {

            return new Dictionary<string, string> {{"apikey", this.appKey}};

        }

        /// <summary>

        /// 返回当前Ip所在的地理位置信息

        /// </summary>

        /// <param name="ip"></param>

        /// <returns></returns>

        public ResultDTO GetIpAddress(string ip)

        {

            var reqParams = new Dictionary<String, String>

            {

                {"ip", ip}

            };

            var data = this.SendRequest(Method.Get, HOST_PATH, this.BuildQueryStr(reqParams));

            var result= JsonHelper.ToObject(data.info.ToString());

            if (data.status && Convert.ToInt32(result["errNum"]) == )

            {

                var address = JsonHelper.ToObject(result["retData"].ToString());

                return WebApi.Success(address["country"].ToString() + address["province"] + address["city"]);

            }

            return WebApi.Error(data.info);

        }

    }