聚合各大平台ip定位

Location实体类

    public class Location
    {
        public virtual string Province { get; set; }

        public virtual string City { get; set; }
    }

腾讯IP返回代码实体类：

public class TencentResult
    {
        public int status { get; set; }
        public string message { get; set; }
        public Result result { get; set; }

        public class Result
        {
            public string ip { get; set; }
            public Location location { get; set; }
            public AdInfo ad_Info { get; set; }

            public class Location
            {
                public string lat { get; set; }
                public string lng { get; set; }
            }

            public class AdInfo
            {
                public string nation { get; set; }
                public string province { get; set; }
                public string city { get; set; }
                public string district { get; set; }
                public string adcode { get; set; }
            }
        }
    }

百度IP返回实体类：

public class BaiduResult
    {
        public string address { get; set; }
        public Content content { get; set; }
        public int status { get; set; }

        public class Content
        {
            public string address { get; set; }
            public AddressDetail address_detail { get; set; }
            public Point point { get; set; }

            public class AddressDetail
            {
                public string city { get; set; }
                public string city_code { get; set; }
                public string province { get; set; }
            }
            public class Point
            {
                public string x { get; set; }
                public string y { get; set; }
            }
        }
    }

 高德IP返回实体类：

    public class GaodeResult
    {
        public int status { get; set; }
        public string info { get; set; }
        public string infocode { get; set; }
        public object province { get; set; }
        public object city { get; set; }
        public object adcode { get; set; }
        public object rectangle { get; set; }
    }

淘宝IP返回实体类：

    public class TaobaoResult
    {
        public Data data { get; set; }
        public string msg { get; set; }
        public int code { get; set; }
        public class Data
        {
            public string area { get; set; }
            public string country { get; set; }
            public string isp_id { get; set; }
            public string queryIp { get; set; }
            public string city { get; set; }
            public string ip { get; set; }
            public string isp { get; set; }
            public string county { get; set; }
            public string region_id { get; set; }
            public string area_id { get; set; }
            public string county_id { get; set; }
            public string region { get; set; }
            public string country_id { get; set; }
            public string city_id { get; set; }
        }
    }

通过IP获取省市

        /// <summary>
        /// 通过Ip获取省市
        /// </summary>
        /// <returns></returns>
        public virtual async Task<Location> GetLocationByIp(string ip)
        {
            if (ip == "::1" || ip == "127.0.0.1" || ip.StartsWith("192.168."))
            {
                return new Location
                {
                    Province = "350000",
                    City = "350500"
                };
            }
            var tencentKey = "111";
            var tencentSK = "222";
            var baiduAK = "333";
            string gaodeKey = "444";
            Location location = null;
            using var httpClient = _httpClientFactory.CreateClient();
            if (location == null)//腾讯:腾讯获取ip用的是sign校验方式,每日300W,500QPS
            {
                var sig = MD5Encrypt(string.Format("/ws/location/v1/ip?ip={0}&key={1}{2}", ip, tencentKey, tencentSK));
                var url = string.Format("https://apis.map.qq.com/ws/location/v1/ip?ip={0}&key={1}&sig={2}", ip, tencentKey, sig);
                var tencentResult = JsonConvert.DeserializeObject<TencentResult>(await httpClient.GetStringAsync(url));
                if (tencentResult == null)
                    location = null;
                location = new Location
                {
                    Province = tencentResult.result.ad_Info.province,
                    City = tencentResult.result.ad_Info.city
                };
            }
            if (location == null || (string.IsNullOrEmpty(location.City) || string.IsNullOrEmpty(location.Province)))//百度:百度获取ip用的是白名单校验发起调用方式,每日30W,300QPS
            {
                var sn_url = string.Format("http://api.map.baidu.com/location/ip?ak={0}&ip={1}&coor=bd09ll", baiduAK, ip);
                var baiduResult = JsonConvert.DeserializeObject<BaiduResult>(await httpClient.GetStringAsync(sn_url));
                if (baiduResult.content == null) { 
                    location = null;
                }
                else
                {
                    location = new Location
                    {
                        Province = baiduResult.content.address_detail.province,
                        City = baiduResult.content.address_detail.city
                    };
                }
            }
            if (location == null || (string.IsNullOrEmpty(location.City) || string.IsNullOrEmpty(location.Province)))//高德:每日有免费300万次IP定位服务
            {
                string gaode_url = string.Format("https://restapi.amap.com/v3/ip?ip={0}&key={1}&output=JSON", ip, gaodeKey);
                var result = await httpClient.GetStringAsync(gaode_url);
                GaodeResult gaodeResult = JsonConvert.DeserializeObject<GaodeResult>(result);
                if (gaodeResult == null) {
                    location = null;
                }
                else
                {
                    location = new Location
                    {
                        Province = gaodeResult.province + "" == "[]" ? "" : gaodeResult.province + "",
                        City = gaodeResult.city + "" == "[]" ? "" : gaodeResult.city + ""
                    };
                }
            }
            if (location == null || (string.IsNullOrEmpty(location.City) || string.IsNullOrEmpty(location.Province)))//淘宝:没有次数限制，但是并发1QPS只能一次，即一秒只能查询一次
            {
                string taobao_url = "http://ip.taobao.com/outGetIpInfo";
                List<KeyValuePair<string, string>> kvpsList = new List<KeyValuePair<string, string>>();
                kvpsList.Add(new KeyValuePair<string, string>("ip", ip));
                kvpsList.Add(new KeyValuePair<string, string>("accessKey", "alibaba-inc"));
                var formContent = new FormUrlEncodedContent(kvpsList);
                var taobaoResponseJson = httpClient.PostAsync(taobao_url, formContent).Result.Content.ReadAsStringAsync().Result;
                TaobaoResult taobaoResult = JsonConvert.DeserializeObject<TaobaoResult>(taobaoResponseJson);
                if (taobaoResult == null) {
                    throw new UserFriendlyException("未查询到ip");
                }
                else
                {
                    location = new Location
                    {
                        Province = taobaoResult.data.region,
                        City = taobaoResult.data.city
                    };
                }
            }
            return new Location
            {
                Province = CityData.GetProvinceCode(location.Province),
                City = CityData.GetCityCode(location.City)
            };
        }

        protected virtual string MD5Encrypt(string password)
        {
            var md5Hasher = new MD5CryptoServiceProvider();

            var hashedDataBytes = md5Hasher.ComputeHash(
                Encoding.Default.GetBytes(password));

            var result = new StringBuilder();
            foreach (byte i in hashedDataBytes)
            {
                result.Append(i.ToString("x2"));
            }

            return result.ToString();
        }