Beispiel #1
0
        /// <summary>
        /// 读取位置
        /// </summary>
        /// <param name="offset">偏移量</param>
        /// <returns></returns>
        private IPLocation ReadIPLocation(long offset)
        {
            IPLocation ipLocation = new IPLocation();

            _ipdatefile.Position = offset + 4;

            byte flag = (byte)_ipdatefile.ReadByte();

            if (flag == MODE1)
            {
                long countryOffset = ReadByte3();
                _ipdatefile.Position = countryOffset;
                flag = (byte)_ipdatefile.ReadByte();
                if (flag == MODE2)
                {
                    ipLocation.Country   = ReadString(ReadByte3());
                    _ipdatefile.Position = countryOffset + 4;
                }
                else
                {
                    ipLocation.Country = ReadString(countryOffset);
                }
                ipLocation.Area = ReadArea(_ipdatefile.Position);
            }
            else if (flag == MODE2)
            {
                ipLocation.Country = ReadString(ReadByte3());
                ipLocation.Area    = ReadArea(offset + 8);
            }
            else
            {
                ipLocation.Country = ReadString(--_ipdatefile.Position);
                ipLocation.Area    = ReadString(_ipdatefile.Position);
            }
            return(ipLocation);
        }
Beispiel #2
0
        /// <summary>
        /// 根据ip地址确定所在区域
        /// </summary>
        /// <param name="ip">ip地址</param>
        /// <returns></returns>
        public RegionInfo Seek(string ip)
        {
            IPLocation ipLocation = SearchLocation(ip);

            if (ipLocation == null || ipLocation.Country.Length == 0)
            {
                return(null);
            }

            string country = ipLocation.Country;

            int startIndex = country.IndexOf("省");
            int endIndex   = country.IndexOf("市");

            if (startIndex > 0 && endIndex > 0 && endIndex > startIndex)
            {
                RegionInfo regionInfo = Regions.GetRegionByNameAndLayer(country.Substring(startIndex + 1, endIndex - startIndex), 2);
                if (regionInfo != null)
                {
                    return(regionInfo);
                }
            }

            if (country.StartsWith("北京"))
            {
                return(Regions.GetRegionById(35));
            }
            else if (country.StartsWith("天津"))
            {
                return(Regions.GetRegionById(36));
            }
            else if (country.StartsWith("上海"))
            {
                return(Regions.GetRegionById(107));
            }
            else if (country.StartsWith("重庆"))
            {
                return(Regions.GetRegionById(269));
            }
            else if (country.StartsWith("四川省"))
            {
                if (country.Length == 3)
                {
                    return(Regions.GetRegionById(23));
                }
                else if (country.StartsWith("四川省阿坝州"))
                {
                    return(Regions.GetRegionById(288));
                }
                else if (country.StartsWith("四川省甘孜州"))
                {
                    return(Regions.GetRegionById(289));
                }
                else if (country.StartsWith("四川省凉山州"))
                {
                    return(Regions.GetRegionById(290));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('市') - 3), 2));
                }
            }
            else if (country.StartsWith("湖南省"))
            {
                if (country.Length == 3)
                {
                    return(Regions.GetRegionById(18));
                }
                else if (country.StartsWith("湖南省湘西州"))
                {
                    return(Regions.GetRegionById(230));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('市') - 3), 2));
                }
            }
            else if (country.StartsWith("湖北省"))
            {
                if (country.Length == 3)
                {
                    return(Regions.GetRegionById(17));
                }
                else if (country.StartsWith("湖北省神农架林区"))
                {
                    return(Regions.GetRegionById(1997));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('市') - 3), 2));
                }
            }
            else if (country.StartsWith("广西"))
            {
                if (country.Length == 2)
                {
                    return(Regions.GetRegionById(20));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(2, country.IndexOf('市') - 2), 2));
                }
            }
            else if (country.StartsWith("云南省"))
            {
                if (country.Length == 3)
                {
                    return(Regions.GetRegionById(25));
                }
                else if (country.StartsWith("云南省楚雄州"))
                {
                    return(Regions.GetRegionById(308));
                }
                else if (country.StartsWith("云南省红河州"))
                {
                    return(Regions.GetRegionById(309));
                }
                else if (country.StartsWith("云南省文山州"))
                {
                    return(Regions.GetRegionById(310));
                }
                else if (country.StartsWith("云南省西双版纳州"))
                {
                    return(Regions.GetRegionById(311));
                }
                else if (country.StartsWith("云南省大理州"))
                {
                    return(Regions.GetRegionById(312));
                }
                else if (country.StartsWith("云南省德宏州"))
                {
                    return(Regions.GetRegionById(313));
                }
                else if (country.StartsWith("云南省怒江州"))
                {
                    return(Regions.GetRegionById(314));
                }
                else if (country.StartsWith("云南省迪庆州"))
                {
                    return(Regions.GetRegionById(315));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('市') - 3), 2));
                }
            }
            else if (country.StartsWith("黑龙江省"))
            {
                if (country.Length == 4)
                {
                    return(Regions.GetRegionById(8));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(4, country.IndexOf('市') - 4), 2));
                }
                else if (country.Contains("地区"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(4, country.IndexOf("地区") - 3), 2));
                }
            }
            else if (country.StartsWith("吉林省"))
            {
                if (country.Length == 3)
                {
                    return(Regions.GetRegionById(7));
                }
                else if (country.StartsWith("吉林省延边州"))
                {
                    return(Regions.GetRegionById(93));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('市') - 3), 2));
                }
            }
            else if (country.StartsWith("内蒙古"))
            {
                if (country.Length == 3)
                {
                    return(Regions.GetRegionById(5));
                }
                else if (country.Contains("盟"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('盟') - 3), 2));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('市') - 3), 2));
                }
            }
            else if (country.StartsWith("贵州省"))
            {
                if (country.Length == 3)
                {
                    return(Regions.GetRegionById(24));
                }
                else if (country.StartsWith("贵州省黔西南"))
                {
                    return(Regions.GetRegionById(296));
                }
                else if (country.StartsWith("贵州省黔东南"))
                {
                    return(Regions.GetRegionById(298));
                }
                else if (country.StartsWith("贵州省黔南州"))
                {
                    return(Regions.GetRegionById(299));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('市') - 3), 2));
                }
            }
            else if (country.StartsWith("甘肃省"))
            {
                if (country.Length == 3)
                {
                    return(Regions.GetRegionById(28));
                }
                else if (country.StartsWith("甘肃省临夏州"))
                {
                    return(Regions.GetRegionById(345));
                }
                else if (country.StartsWith("甘肃省甘南"))
                {
                    return(Regions.GetRegionById(346));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('市') - 3), 2));
                }
            }
            else if (country.StartsWith("新疆"))
            {
                if (country.Length == 2)
                {
                    return(Regions.GetRegionById(31));
                }
                else if (country.StartsWith("新疆阿勒泰"))
                {
                    return(Regions.GetRegionById(373));
                }
                else if (country.StartsWith("新疆昌吉州"))
                {
                    return(Regions.GetRegionById(364));
                }
                else if (country.StartsWith("新疆博尔塔拉州"))
                {
                    return(Regions.GetRegionById(365));
                }
                else if (country.StartsWith("新疆巴音郭楞州"))
                {
                    return(Regions.GetRegionById(366));
                }
                else if (country.StartsWith("新疆克孜勒苏柯尔州"))
                {
                    return(Regions.GetRegionById(368));
                }
                else if (country.StartsWith("新疆伊犁州"))
                {
                    return(Regions.GetRegionById(371));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(2, country.IndexOf('市') - 2), 2));
                }
                else if (country.Contains("地区"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(2, country.IndexOf("地区") - 1), 2));
                }
            }
            else if (country.StartsWith("青海省"))
            {
                if (country.Length == 3)
                {
                    return(Regions.GetRegionById(29));
                }
                else if (country.StartsWith("青海省海北州"))
                {
                    return(Regions.GetRegionById(349));
                }
                else if (country.StartsWith("青海省黄南州"))
                {
                    return(Regions.GetRegionById(350));
                }
                else if (country.StartsWith("青海省海南州"))
                {
                    return(Regions.GetRegionById(351));
                }
                else if (country.StartsWith("青海省果洛州"))
                {
                    return(Regions.GetRegionById(352));
                }
                else if (country.StartsWith("青海省玉树州"))
                {
                    return(Regions.GetRegionById(353));
                }
                else if (country.StartsWith("青海省海西州"))
                {
                    return(Regions.GetRegionById(354));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(3, country.IndexOf('市') - 3), 2));
                }
            }
            else if (country.StartsWith("西藏"))
            {
                if (country.Length == 2)
                {
                    return(Regions.GetRegionById(26));
                }
                else if (country.Contains("市"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(2, country.IndexOf('市') - 2), 2));
                }
                else if (country.Contains("地区"))
                {
                    return(Regions.GetRegionByNameAndLayer(country.Substring(2, country.IndexOf("地区") - 1), 2));
                }
            }
            else if (country.StartsWith("香港"))
            {
                return(Regions.GetRegionById(3241));
            }
            else if (country.StartsWith("澳门"))
            {
                return(Regions.GetRegionById(3242));
            }
            else if (country.StartsWith("台湾"))
            {
                return(Regions.GetRegionById(3240));
            }
            return(null);
        }