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文件大小: 8mb
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上传时间: 2014-10-20
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QQWry.Dat 是免费的 IP 库 相对于webservices，在本地用ip库根据ip判断地区是最快的。 .Net代码： /*********************************************************************** * * CLR 版本: 4.0.30319.235 * 命名空间: Car.Plugins * 文 件 名: QQWry * 创建时间: 2011/11/4 14:58:34 * 版权所有: 王彦杰 * 电子邮件: 0106248486@163.com * 个人签名: 欲求仙道，先修人道。苍天弃吾，吾宁成魔。 * ************************************************************************/ #region using using System; using System.IO; using System.Text; using System.Text.RegularExpressions; #endregion namespace Car.Plugin { /// /// /// public class QQWry { public class IpLocation { private string _ip; private string _country; private string _local; public string IP { get { return _ip; } set { _ip = value; } } public string Country { get { return _country; } set { _country = value; } } public string Local { get { return _local; } set { _local = value; } } } public class QQWryLocator { private byte[] data; private Regex regex = new Regex(@"(((\d{1,2})|(1\d{2})|(2[0-4]\d)|(25[0-5]))\.){3}((\d{1,2})|(1\d{2})|(2[0-4]\d)|(25[0-5]))"); private long firstStartIpOffset; private long lastStartIpOffset; private long ipCount; public long Count { get { return ipCount; } } public QQWryLocator(string dataPath) { using (FileStream fs = new FileStream(dataPath, FileMode.Open, FileAccess.Read, FileShare.Read)) { data = new byte[fs.Length]; fs.Read(data, 0, data.Length); } byte[] buffer = new byte[8]; Array.Copy(data, 0, buffer, 0, 8); firstStartIpOffset = ((buffer[0] + (buffer[1]*0x100)) + ((buffer[2]*0x100)*0x100)) + (((buffer[3]*0x100)*0x100)*0x100); lastStartIpOffset = ((buffer[4] + (buffer[5]*0x100)) + ((buffer[6]*0x100)*0x100)) + (((buffer[7]*0x100)*0x100)*0x100); ipCount = Convert.ToInt64((double) (((double) (lastStartIpOffset - firstStartIpOffset))/7.0)); if (ipCount <= 1L) { throw new ArgumentException("ip FileDataError"); } } private static long IpToInt(string ip) { char[] separator = new char[] {'.'}; if (ip.Split(separator).Length == 3) { ip = ip + ".0"; } string[] strArray = ip.Split(separator); long num2 = ((long.Parse(strArray[0])*0x100L)*0x100L)*0x100L; long num3 = (long.Parse(strArray[1])*0x100L)*0x100L; long num4 = long.Parse(strArray[2])*0x100L; long num5 = long.Parse(strArray[3]); return (((num2 + num3) + num4) + num5); } private static string IntToIP(long ip_Int) { long num = (long) ((ip_Int & 0xff000000L) >> 0x18); if (num < 0L) { num += 0x100L; } long num2 = (ip_Int & 0xff0000L) >> 0x10; if (num2 < 0L) { num2 += 0x100L; } long num3 = (ip_Int & 0xff00L) >> 8; if (num3 < 0L) { num3 += 0x100L; } long num4 = ip_Int & 0xffL; if (num4 < 0L) { num4 += 0x100L; } return (num.ToString() + "." + num2.ToString() + "." + num3.ToString() + "." + num4.ToString()); } public IpLocation Query(string ip) { IpLocation ipLocation = new IpLocation(); if(string.IsNullOrEmpty(ip)) { ipLocation.IP = "未知"; ipLocation.Local = "未知"; return ipLocation; } if (!regex.Match(ip).Success) { ipLocation.IP = "未知"; ipLocation.Local = "未知"; return ipLocation; } ipLocation.IP = ip; long intIP = IpToInt(ip); if ((intIP >= IpToInt("127.0.0.1") && (intIP <= IpToInt("127.255.255.255")))) { ipLocation.Country = "本机内部环回地址"; ipLocation.Local = ""; } else { if ((((intIP >= IpToInt("0.0.0.0")) && (intIP <= IpToInt("2.255.255.255"))) || ((intIP >= IpToInt("64.0.0.0")) && (intIP <= IpToInt("126.255.255.255")))) || ((intIP >= IpToInt("58.0.0.0")) && (intIP <= IpToInt("60.255.255.255")))) { ipLocation.Country = "网络保留地址"; ipLocation.Local = ""; } } long right = ipCount; long left = 0L; long middle = 0L; long startIp = 0L; long endIpOff = 0L; long endIp = 0L; int countryFlag = 0; while (left < (right - 1L)) { middle = (right + left)/2L; startIp = GetStartIp(middle, out endIpOff); if (intIP == startIp) { left = middle; break; } if (intIP > startIp) { left = middle; } else { right = middle; } } startIp = GetStartIp(left, out endIpOff); endIp = GetEndIp(endIpOff, out countryFlag); if ((startIp <= intIP) && (endIp >= intIP)) { string local; ipLocation.Country = GetCountry(endIpOff, countryFlag, out local); ipLocation.Local = local; } else { ipLocation.Country = "未知"; ipLocation.Local = ""; } return ipLocation; } private long GetStartIp(long left, out long endIpOff) { long leftOffset = firstStartIpOffset + (left*7L); byte[] buffer = new byte[7]; Array.Copy(data, leftOffset, buffer, 0, 7); endIpOff = (Convert.ToInt64(buffer[4].ToString()) + (Convert.ToInt64(buffer[5].ToString())*0x100L)) + ((Convert.ToInt64(buffer[6].ToString())*0x100L)*0x100L); return ((Convert.ToInt64(buffer[0].ToString()) + (Convert.ToInt64(buffer[1].ToString())*0x100L)) + ((Convert.ToInt64(buffer[2].ToString())*0x100L)*0x100L)) + (((Convert.ToInt64(buffer[3].ToString())*0x100L)*0x100L)*0x100L); } private long GetEndIp(long endIpOff, out int countryFlag) { byte[] buffer = new byte[5]; Array.Copy(data, endIpOff, buffer, 0, 5); countryFlag = buffer[4]; return ((Convert.ToInt64(buffer[0].ToString()) + (Convert.ToInt64(buffer[1].ToString())*0x100L)) + ((Convert.ToInt64(buffer[2].ToString())*0x100L)*0x100L)) + (((Convert.ToInt64(buffer[3].ToString())*0x100L)*0x100L)*0x100L); } /// /// Gets the country. /// /// The end ip off. /// The country flag. /// The local. /// country private string GetCountry(long endIpOff, int countryFlag, out string local) { string country = ""; long offset = endIpOff + 4L; switch (countryFlag) { case 1: case 2: country = GetFlagStr(ref offset, ref countryFlag, ref endIpOff); offset = endIpOff + 8L; local = (1 == countryFlag) ? "" : GetFlagStr(ref offset, ref countryFlag, ref endIpOff); break; default: country = GetFlagStr(ref offset, ref countryFlag, ref endIpOff); local = GetFlagStr(ref offset, ref countryFlag, ref endIpOff); break; } return country; } private string GetFlagStr(ref long offset, ref int countryFlag, ref long endIpOff) { int flag = 0; byte[] buffer = new byte[3]; while (true) { //用于向前累加偏移量 long forwardOffset = offset; flag = data[forwardOffset++]; //没有重定向 if (flag != 1 && flag != 2) { break; } Array.Copy(data, forwardOffset, buffer, 0, 3); forwardOffset += 3; if (flag == 2) { countryFlag = 2; endIpOff = offset - 4L; } offset = (Convert.ToInt64(buffer[0].ToString()) + (Convert.ToInt64(buffer[1].ToString())*0x100L)) + ((Convert.ToInt64(buffer[2].ToString())*0x100L)*0x100L); } if (offset < 12L) { return ""; } return GetStr(ref offset); } private string GetStr(ref long offset) { byte lowByte = 0; byte highByte = 0; StringBuilder stringBuilder = new StringBuilder(); byte[] bytes = new byte[2]; Encoding encoding = Encoding.GetEncoding("GB2312"); while (true) { lowByte = data[offset++]; if (lowByte == 0) { return stringBuilder.ToString(); } if (lowByte > 0x7f) { highByte = data[offset++]; bytes[0] = lowByte; bytes[1] = highByte; if (highByte == 0) { return stringBuilder.ToString(); } stringBuilder.Append(encoding.GetString(bytes)); } else { stringBuilder.Append((char) lowByte); } } } } } } ...展开收缩
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