【Asp技巧】ASP查询纯真数据库

调用方法:

<%response.write Look_Ip("124.114.202.74")%>

<%
Function Look_Ip(IP)
Dim Wry, IPType, QQWryVersion, IpCounter
Set Wry = New TQQWry
IPType = Wry.QQWry(IP)
Look_Ip = Wry.Country & " " & Wry.LocalStr
End Function

Function GetIpInfoAv(IP, sType)
Dim Wry, IPType
Set Wry = New TQQWry
IPType = Wry.QQWry(IP)

Select Case sType
  Case 1 GetIpInfoAv = "document.write(""" & IP & """);"
  Case 2 GetIpInfoAv = "document.write(""" & Wry.Country & """);"
  Case 3 GetIpInfoAv = "document.write(""" & Wry.LocalStr & """);"
  Case Else GetIpInfoAv = "document.write(""您来自：" & IP & " 所在区域：" & Wry.Country & " " & Wry.LocalStr & """);"
End Select
End Function

Function WryInfo()
Dim Wry, IPType, QQWry(1)
Set Wry = New TQQWry
IPType = Wry.QQWry("255.255.255.255")
QQWry(0) = Wry.Country & " " & Wry.LocalStr
QQWry(1) = Wry.RecordCount + 1
WryInfo = QQWry
End Function

Class TQQWry

Dim Country, LocalStr, Buf, OffSet
Private StartIP, EndIP, CountryFlag
Public QQWryFile
Public FirstStartIP, LastStartIP, RecordCount
Private Stream, EndIPOff

Private Sub Class_Initialize
  Country   = ""
  LocalStr   = ""
  StartIP   = 0
  EndIP    = 0
  CountryFlag = 0
  FirstStartIP = 0
  LastStartIP = 0
  EndIPOff   = 0
  QQWryFile = Server.MapPath("ScanIP.dat")
End Sub

Function IPToInt(IP)
  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

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

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

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

Private Sub GetCountry(IP)
  If (CountryFlag = 1 Or CountryFlag = 2) Then
   Country = GetFlagStr(EndIPOff + 4)
   If CountryFlag = 1 Then
    LocalStr = GetFlagStr(Stream.Position)
    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
  Country = Trim(Country)
  LocalStr = Trim(LocalStr)
  'If InStr(Country, "CZ88.NET") Then Country = "114XP.CN"
  'If InStr(LocalStr, "CZ88.NET") Then LocalStr = "114XP.CN"
End Sub

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

Private Function GetStr()
  Dim c
  GetStr = ""
  Do While (True)
   c = AscB(Stream.Read(1))
   If (c = 0) Then Exit Do
   If c > 127 Then
    If Stream.EOS Then Exit Do
    GetStr = GetStr & Chr(AscW(ChrB(AscB(Stream.Read(1))) & ChrB(C)))
   Else
    GetStr = GetStr & Chr(c)
   End If
  Loop
End Function

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
Private Sub Class_Terminate
  On ErrOr Resume Next
  Stream.Close
  If Err Then Err.Clear
  Set Stream = Nothing
End Sub
End Class
%>

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