本程序采用動網論壇格式數據庫,可從動網論壇的data目錄找到 數據庫文件為:asp

<!--#include file="conn.asp"-->
<!--#include file="inc/config.asp"-->
<%Response.ContentType = "image/gif"
ConnDatabase
Dim tempip,myipnumeber,sql,rs1
Dim country,city
tempip=ReqIP
tempip = Split(tempip,".")
if Ubound(tempip)=3 then
     For i=0 To Ubound(tempip)
         tempip(i)=left(tempip(i),3)
         if isnumeric(tempip(i)) then
             tempip(i)=cint(tempip(i))
         else
             tempip(i)=0
         end if
     next
     myipnumeber=tempip(0)*256*256*256+tempip(1)*256*256+tempip(2)*256+tempip(3)
End If
sql="select country,city from DV_Address where IP1<="&myipnumeber&" and IP2>="&myipnumeber
set rs1=conn.execute(sql)
if not rs1.eof Then
     country = rs1(0)
     city = rs1(1)
Else
     country = "51Tiao.Com"
     city = ""
End If
rs1.close : Set rs1 = Nothing
CloseDatabase

Dim LocalFile,TargetFile
LocalFile = Server.MapPath("Ip.gif")
Dim Jpeg
Set Jpeg = Server.CreateObject("Persits.Jpeg")
If -2147221005=Err then
Response.write "沒有這個組件，請安裝!" '檢查是否安裝AspJpeg組件
Response.End()
End If
Jpeg.Open (LocalFile) '打開圖片
If err.number then
Response.write"打開圖片失敗,請檢查路徑！"
Response.End()
End if
Dim aa
aa=Jpeg.Binary '將原始數據賦給aa

'=========加文字水印====http://www.devdao.com/=============
Jpeg.Canvas.Font.Color = &H000000 '水印文字顏色
Jpeg.Canvas.Font.Family = "宋體" '字體
Jpeg.Canvas.Font.Bold = False '是否加粗
Jpeg.Canvas.Font.Size = 12 '字體大小
Jpeg.Canvas.Font.ShadowColor = &Hffffff '陰影色彩
Jpeg.Canvas.Font.ShadowYOffset = 1
Jpeg.Canvas.Font.ShadowXOffset = 1
Jpeg.Canvas.Brush.Solid = False
Jpeg.Canvas.Font.Quality = 4 ' '輸出質量
Jpeg.Canvas.PRintText 30,30,"-------------------------------------" '水印位置及文字
Jpeg.Canvas.PrintText 30,50,"   你的ＩＰ: "& ReqIP
Jpeg.Canvas.PrintText 30,70,"   你的位置: "&country&" "&city
Jpeg.Canvas.PrintText 30,90,"   操作系統: "&ClientInfo(0)
Jpeg.Canvas.PrintText 30,110,"   瀏 覽 器: "&RegExpFilter("Microsoft^® ", ClientInfo(1), 0, "")
Jpeg.Canvas.PrintText 30,130,"-------------------------------------"
Jpeg.Canvas.PrintText 30,145,"個性簽名來自風易在線 www.49028c.com"
bb=Jpeg.Binary '將文字水印處理后的值賦給bb，這時，文字水印沒有不透明度

'============調整文字透明度================
Set MyJpeg = Server.CreateObject("Persits.Jpeg")
MyJpeg.OpenBinary aa

Set Logo = Server.CreateObject("Persits.Jpeg")
Logo.OpenBinary bb
MyJpeg.DrawImage 0,0, Logo, 0.9 '0.3是透明度
cc=MyJpeg.Binary '將最終結果賦值給cc,這時也可以生成目標圖片了
Response.BinaryWrite cc '將二進輸出給瀏覽器
set aa=nothing
set bb=nothing
set cc=nothing
Jpeg.close : Set Jpeg = Nothing
MyJpeg.Close : Set MyJpeg = Nothing
Logo.Close : Set Logo = Nothing
%>

'--------------------------------------------------
'File: conn.asp

<%dim conn,dbpath,UserIP
sub ConnDatabase
     On Error Resume next
     set conn=server.createobject("adodb.connection")
     DBPath = Server.MapPath("IP.MDB")
     conn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & DBPath
     If Err Then
             err.Clear
             Set Conn = Nothing
             Response.Write "數據庫正在更新中，請稍后再試！"
             Response.End
     End If
End Sub

Sub CloseDatabase
     Conn.close
     Set Conn = Nothing
End Sub%>

'-------------------------------------------------
'File: config.asp

<%
Dim User_Agent
User_Agent = Request.ServerVariables("HTTP_USER_AGENT")
   
' ============================================
' 獲取客戶端配置
' ============================================
Public Function ClientInfo(sType)
     If sType = 0 Then
         If InStr(User_Agent, "Windows 98") Then
             ClientInfo = "Windows 98"
         ElseIf InStr(User_Agent, "Win 9x 4.90") Then
             ClientInfo = "Windows ME"
         ElseIf InStr(User_Agent, "Windows NT 5.0") Then
             ClientInfo = "Windows 2000"
         ElseIf InStr(User_Agent, "Windows NT 5.1") Then
             ClientInfo = "Windows xp"
         ElseIf InStr(User_Agent, "Windows NT 5.2") Then
             ClientInfo = "Windows 2003"
         ElseIf InStr(User_Agent, "Windows NT") Then
             ClientInfo = "Windows NT"
         ElseIf InStr(User_Agent, "unix") or InStr(User_Agent, "linux")   or InStr(User_Agent, "SunOS")   or InStr(User_Agent, "BSD") Then
             ClientInfo = "Unix & Linux"
         Else
             ClientInfo = "Other"
         End If
     ElseIf sType = 1 Then
         If InStr(User_Agent, "MSIE 7") Then
             ClientInfo = "Microsoft^® Internet Explorer 7.0"
         ElseIf InStr(User_Agent, "MSIE 6") Then
             ClientInfo = "Microsoft^® Internet Explorer 6.0"
         ElseIf InStr(User_Agent, "MSIE 5") Then
             ClientInfo = "Microsoft^® Internet Explorer 5.0"
         ElseIf InStr(User_Agent, "MSIE 4") Then
             ClientInfo = "Microsoft^® Internet Explorer 4.0"
         ElseIf InStr(User_Agent, "Netscape") Then
             ClientInfo = "Netscape^®"
         ElseIf InStr(User_Agent, "Opera") Then
             ClientInfo = "Opera^®"
         Else
             ClientInfo = "Other"
         End If
     End If
End Function

' ============================================
' 按照指定的正則表達式替換字符
' ============================================
Public Function RegExpFilter(Patrn, Str, sType, ReplaceWith)
     Dim RegEx
     Set RegEx = New RegExp
     If sType = 1 Then
         RegEx.Global = True
     Else
         RegEx.Global = False
     End If
     RegEx.Pattern = Patrn
     RegEx.IgnoreCase = True
     RegExpFilter = RegEx.Replace(Str, ReplaceWith)
End Function

Public Function ReqIP()
     ReqIP = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
     If ReqIP = "" or IsNull(ReqIP) Then ReqIP = Request.ServerVariables("REMOTE_ADDR")
End Function
%>