UTF-8使用纯真IP数据库乱码问题（已解决）

最近手头在写一个根据IP地址返回省份地区的代码，发现在使用纯真ip数据库的时候出现乱码，最后发现纯真数据库是居于GBK编码的，而我的整个工程编码都是采用的UTF-8编码，两个走到一起肯定会出现乱码，所以只能改写纯真读取ip的类

<%
'得到访问者IP
public Function getip() 
		Dim strIPAddr 
		If Request.ServerVariables("HTTP_X_FORWARDED_FOR") = "" OR InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), "unknown") > 0 Then 
			strIPAddr = Request.ServerVariables("REMOTE_ADDR") 
		ElseIf InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ",") > 0 Then 
			strIPAddr = Mid(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), 1, InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ",")-1) 
			actforip=Request.ServerVariables("REMOTE_ADDR")
		ElseIf InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ";") > 0 Then 
			strIPAddr = Mid(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), 1, InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ";")-1)
			actforip=Request.ServerVariables("REMOTE_ADDR")
		Else 
			strIPAddr = Request.ServerVariables("HTTP_X_FORWARDED_FOR") 
			actforip=Request.ServerVariables("REMOTE_ADDR")
		End If 
		getip = Trim(Mid(strIPAddr, 1, 30))
End Function 
' ============================================
' 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("/yxgame/date/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
 
 ' ============================================这里获取代码最关键了
 ' 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
%>

          最后就简单了，到需要用到显示的地方只需调用 look_ip()这个函数就可以了，哈哈。 
哎……我去，都凌晨了，苦逼！！！！睡了，幸亏明天是周六！休息休息！！！！