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纯真IP数据库TQQWry的ASP读取源码(UTF-8编码)

伟明网站设计　发布于：2011-07-04 13:44:27　　人气指数：6286 人/次　　字体：大中小

　　前些天我遇到了这样的难题，在网上找的ASP读取纯真IP数据库TQQWry的源码是基于GB2312的。用在我的UTF-8的网站上，显示出的地区是乱码。后来经多次研究验证，终于写出了基于UTF-8的ASP读取TQQWry的源码，为此我还有点高兴不以呢，嘿嘿。现在给大家分享一下，相信有很多朋友需要！

以下是引用片段：

' ============================================
' 返回IP地区信息
' ============================================
Function Look_Ip(IP)
Dim Wry, IPType, QQWryVersion, IpCounter
' 设置类对象
Set Wry = New TQQWry
' 开始搜索，并返回搜索结果
' 您可以根据 QQWry(IP) 返回值来判断该IP地址在数据库中是否存在，如果不存在可以执行其他的一些操作
' 比如您自建一个数据库作为追捕等，这里我就不详细说明了
IPType = Wry.QQWry(IP)
' Country：国家地区字段
' LocalStr：省市及其他信息字段
Look_Ip = Wry.Country & " " & Wry.LocalStr
End Function

' ============================================
' 返回QQWry信息
' ============================================
Function WryInfo()
Dim Wry, IPType, QQWry(1)
' 设置类对象
Set Wry = New TQQWry
IPType = Wry.QQWry("255.255.255.255")
' 读取数据库版本信息
QQWry(0) = Wry.Country & " " & Wry.LocalStr
' 读取数据库IP地址数目
QQWry(1) = Wry.RecordCount + 1
WryInfo = QQWry
End Function

' ============================================
' IP物理定位搜索类
' ============================================
Class TQQWry
' ============================================
' 变量声名
' ============================================
Dim Country, LocalStr, Buf, OffSet
Private StartIP, EndIP, CountryFlag
Public QQWryFile
Public FirstStartIP, LastStartIP, RecordCount
Private Stream, EndIPOff

' ============================================
' 类模块初始化
' ============================================
Private Sub Class_Initialize
  Country = ""
  LocalStr = ""
  StartIP = 0
  EndIP = 0
  CountryFlag = 0
  FirstStartIP = 0
  LastStartIP = 0
  EndIPOff = 0
  QQWryFile = Server.MapPath("QQWry.dat") 'QQ IP库路径，要转换成物理路径
End Sub

' ============================================
' IP地址转换成整数 ip
' ============================================
Function IPToInt(IP)
  If Instr(IP,":")>0 Then IP="127.0.0.1" ‘当IP地址是::1这样的地址时返回本机地址
  Dim IPArray, i
  IPArray = Split(IP, ".", -1)
  FOr i = 0 to 3
  If Not IsNumeric(IPArray(i)) Then IPArray(i) = 0
  If CInt(IPArray(i)) < 0 Then IPArray(i) = Abs(CInt(IPArray(i)))
  If CInt(IPArray(i)) > 255 Then IPArray(i) = 255
  Next
  IPToInt = (CInt(IPArray(0))*256*256*256) + (CInt(IPArray(1))*256*256) + (CInt(IPArray(2))*256) + CInt(IPArray(3))
End Function

' ============================================
' 整数逆转IP地址
' ============================================
Function IntToIP(IntValue)
  p4 = IntValue - Fix(IntValue/256)*256
  IntValue = (IntValue-p4)/256
  p3 = IntValue - Fix(IntValue/256)*256
  IntValue = (IntValue-p3)/256
  p2 = IntValue - Fix(IntValue/256)*256
  IntValue = (IntValue - p2)/256
  p1 = IntValue
  IntToIP = Cstr(p1) & "." & Cstr(p2) & "." & Cstr(p3) & "." & Cstr(p4)
End Function

' ============================================
' 获取开始IP位置
' ============================================
Private Function GetStartIP(RecNo)
  OffSet = FirstStartIP + RecNo * 7
  Stream.Position = OffSet
  Buf = Stream.Read(7)

  EndIPOff = AscB(MidB(Buf, 5, 1)) + (AscB(MidB(Buf, 6, 1))*256) + (AscB(MidB(Buf, 7, 1))*256*256)
  StartIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256)
  GetStartIP = StartIP
End Function

' ============================================
' 获取结束IP位置
' ============================================
Private Function GetEndIP()
  Stream.Position = EndIPOff
  Buf = Stream.Read(5)
  EndIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256)
  CountryFlag = AscB(MidB(Buf, 5, 1))
  GetEndIP = EndIP
End Function

' ============================================
' 获取地域信息，包含国家和和省市
' ============================================
Private Sub GetCountry(IP)
  If (CountryFlag = 1 or CountryFlag = 2) Then
  Country = GetFlagStr(EndIPOff + 4)
  If CountryFlag = 1 Then
  LocalStr = GetFlagStr(Stream.Position)
  ' 以下用来获取数据库版本信息
  If IP >= IPToInt("255.255.255.0") And IP <= IPToInt("255.255.255.255") Then
  LocalStr = GetFlagStr(EndIPOff + 21)
  Country = GetFlagStr(EndIPOff + 12)
  End If
  Else
  LocalStr = GetFlagStr(EndIPOff + 8)
  End If
  Else
  Country = GetFlagStr(EndIPOff + 4)
  LocalStr = GetFlagStr(Stream.Position)
  End If
  ' 过滤数据库中的无用信息
  Country = Trim(Country)
  LocalStr = Trim(LocalStr)
  If InStr(Country, "CZ88.NET") Then Country = "本地/局域网"
  If InStr(LocalStr, "CZ88.NET") Then LocalStr = "本地/局域网"
End Sub

' ============================================
' 获取IP地址标识符
' ============================================
Private Function GetFlagStr(OffSet)
  Dim Flag
  Flag = 0
  Do While (True)
  Stream.Position = OffSet
  Flag = AscB(Stream.Read(1))
  If(Flag = 1 or Flag = 2 ) Then
  Buf = Stream.Read(3)
  If (Flag = 2 ) Then
  CountryFlag = 2
  EndIPOff = OffSet - 4
  End If
  OffSet = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256)
  Else
  Exit Do
  End If
  Loop

  If (OffSet < 12 ) Then
  GetFlagStr = ""
  Else
  Stream.Position = OffSet
  GetFlagStr = GetStr()
  End If
End Function

' ============================================
' 获取字串信息 (www.viming.com)
'-----utf-8-----------
Private Function GetStr()
  dim c
  getstr = ""
  dim objstream
  set objstream = server.createobject("adodb.stream")
  objstream.type = 1
  objstream.mode =3
  objstream.open
  c = stream.read(1)
  do while (ascb(c)<>0 and not stream.eos)
  objstream.write c
  c = stream.read(1)
  loop
  objstream.position = 0
  objstream.type = 2
  objstream.charset = "gb2312"
  getstr = objstream.readtext
  objstream.close
  set objstream = nothing
End Function

' ============================================
' 核心函数，执行IP搜索
' ============================================
Public Function QQWry(DotIP)
  Dim IP, nRet
  Dim RangB, RangE, RecNo

  IP = IPToInt (DotIP)

  Set Stream = CreateObject("ADodb.Stream")
  Stream.Mode = 3
  Stream.Type = 1
  Stream.Open
  Stream.LoadFromFile QQWryFile
  Stream.Position = 0
  Buf = Stream.Read(8)

  FirstStartIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256)
  LastStartIP = AscB(MidB(Buf, 5, 1)) + (AscB(MidB(Buf, 6, 1))*256) + (AscB(MidB(Buf, 7, 1))*256*256) + (AscB(MidB(Buf, 8, 1))*256*256*256)
  RecordCount = Int((LastStartIP - FirstStartIP)/7)
  ' 在数据库中找不到任何IP地址
  If (RecordCount <= 1) Then
  Country = "未知"
  QQWry = 2
  Exit Function
  End If

  RangB = 0
  RangE = RecordCount

  Do While (RangB < (RangE - 1))
  RecNo = Int((RangB + RangE)/2)
  Call GetStartIP (RecNo)
  If (IP = StartIP) Then
  RangB = RecNo
  Exit Do
  End If
  If (IP > StartIP) Then
  RangB = RecNo
  Else
  RangE = RecNo
  End If
  Loop

  Call GetStartIP(RangB)
  Call GetEndIP()

  If (StartIP <= IP) And ( EndIP >= IP) Then
  ' 没有找到
  nRet = 0
  Else
  ' 正常
  nRet = 3
  End If
  Call GetCountry(IP)

  QQWry = nRet
End Function

' ============================================
' 类终结
' ============================================
Private Sub Class_Terminate
  On ErrOr Resume Next
  Stream.Close
  If Err Then Err.Clear
  Set Stream = Nothing
End Sub
End Class

　　纯真IP数据库TQQWry的ASP读取源码(UTF-8编码)调用方法：Look_Ip("123.123.123.123")

　　以上代码我还写了一点小小的升级，就是当IP地址是::1这样的地址时，返回本机地址，以免发生错误。

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