前些天我遇到了這樣的難題，在網上找的ASP讀取純真IP數據庫TQQWry的源碼是基於GB2312的。用在個人UTF-8的網站上，顯示出的地區是亂碼。後來經屢次研究驗證，終於寫出了基於UTF-8的ASP讀取TQQWry的源碼，爲此我還有點高興不以呢，嘿嘿。如今給你們分享一下，相信有不少朋友須要！javascript
| 如下是引用片斷： ' ============================================ ' 返回IP地區信息 ' ============================================ Function Look_Ip(IP) Dim Wry, IPType, QQWryVersion, IpCounter ' 設置類對象 Set Wry = New TQQWry ' 開始搜索，並返回搜索結果 ' 您能夠根據 QQWry(IP) 返回值來判斷該IP地址在數據庫中是否存在，若是不存在能夠執行其餘的一些操做 ' 好比您自建一個數據庫做爲追捕等，這裏我就不詳細說明了 IPType = Wry.QQWry(IP) ' Country：國家地區字段 ' LocalStr：省市及其餘信息字段 Look_Ip = Wry.Country & " " & Wry.LocalStr End Functionhtml ' ============================================ ' 返回QQWry信息 ' ============================================ Function WryInfo() Dim Wry, IPType, QQWry(1) ' 設置類對象 Set Wry = New TQQWry IPType = Wry.QQWry("255.255.255.255") ' 讀取數據庫版本信息 QQWry(0) = Wry.Country & " " & Wry.LocalStr ' 讀取數據庫IP地址數目 QQWry(1) = Wry.RecordCount + 1 WryInfo = QQWry End Functionjava ' ============================================ ' IP物理定位搜索類 ' ============================================ Class TQQWry ' ============================================ ' 變量聲名 ' ============================================ Dim Country, LocalStr, Buf, OffSet Private StartIP, EndIP, CountryFlag Public QQWryFile Public FirstStartIP, LastStartIP, RecordCount Private Stream, EndIPOff ' ============================================ ' 類模塊初始化 ' ============================================ 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庫路徑，要轉換成物理路徑 End Sub ' ============================================ ' IP地址轉換成整數 ip ' ============================================ Function IPToInt(IP) If Instr(IP,":")>0 Then IP="127.0.0.1" ‘當IP地址是::1這樣的地址時返回本機地址 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 ' ============================================ ' 整數逆轉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 ' ============================================ ' 獲取開始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 ' ============================================ ' 獲取結束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 ' ============================================ ' 獲取地域信息，包含國家和和省市 ' ============================================ Private Sub GetCountry(IP) If (CountryFlag = 1 or CountryFlag = 2) Then Country = GetFlagStr(EndIPOff + 4) If CountryFlag = 1 Then LocalStr = GetFlagStr(Stream.Position) ' 如下用來獲取數據庫版本信息 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 ' 過濾數據庫中的無用信息 Country = Trim(Country) LocalStr = Trim(LocalStr) If InStr(Country, "CZ88.NET") Then Country = "本地/局域網" If InStr(LocalStr, "CZ88.NET") Then LocalStr = "本地/局域網" End Sub ' ============================================ ' 獲取IP地址標識符 ' ============================================ 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 ' ============================================ ' 獲取字串信息 (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 ' ============================================ ' 核心函數，執行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) ' 在數據庫中找不到任何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 ' 沒有找到 nRet = 0 Else ' 正常 nRet = 3 End If Call GetCountry(IP) QQWry = nRet End Function ' ============================================ ' 類終結 ' ============================================ Private Sub Class_Terminate On ErrOr Resume Next Stream.Close If Err Then Err.Clear Set Stream = Nothing End Sub End Class數據庫 |
純真IP數據庫TQQWry的ASP讀取源碼(UTF-8編碼)調用方法：Look_Ip("123.123.123.123")vim
以上代碼我還寫了一點小小的升級，就是當IP地址是::1這樣的地址時，返回本機地址，以避免發生錯誤。ssh