利用Google Sitemap更好的收录网站

<%
Server.ScriptTimeout=50000
dim seoDir
session("server")="http://jefftan.cn"     '网址
seoDir="/"

set objfso = CreateObject("Scripting.FileSystemObject")
root = Server.MapPath(seoDir)

'response.ContentType = "text/xml"
'response.write "<?xml version='1.0' encoding='UTF-8'?>"
'response.write "<urlset xmlns='http://www.google.com/schemas/sitemap/0.84'>"

str = "<?xml version='1.0' encoding='UTF-8'?>" & vbcrlf
str = str & "<urlset xmlns='http://www.google.com/schemas/sitemap/0.84'>" & vbcrlf

Set objFolder = objFSO.GetFolder(root)
'response.write getfilelink(objFolder.Path,objFolder.dateLastModified)
Set colFiles = objFolder.Files
For Each objFile In colFiles
str=str & getfilelink(objFile.Path,objfile.dateLastModified) & vbcrlf
Next
ShowSubFolders(objFolder)

str = str & "</urlset>" & vbcrlf
set fso = nothing

Set objStream = Server.CreateObject("ADODB.Stream")
With objStream
.Open
.Charset = "utf-8"
.Position = objStream.Size
.WriteText=str
.SaveToFile server.mappath("/sitemap.xml"),2 '生成的XML文件名
.Close
End With

Set objStream = Nothing
If Not Err Then
Response.Write("<script>alert('成功生成站点地图!');history.back();</script>")
Response.End
End If

Sub ShowSubFolders(objFolder)
Set colFolders = objFolder.SubFolders
For Each objSubFolder In colFolders
if folderpermission(objSubFolder.Path) then
str = str & getfilelink(objSubFolder.Path,objSubFolder.dateLastModified) & vbcrlf
Set colFiles = objSubFolder.Files
For Each objFile In colFiles
str = str & getfilelink(objFile.Path,objFile.dateLastModified) & vbcrlf
Next
ShowSubFolders(objSubFolder)
end if
Next
End Sub

Function getfilelink(file,datafile)
file=replace(file,root,"")
file=replace(file,"\","/")
If FileExtensionIsBad(file) then Exit Function
if month(datafile)<10 then filedatem="0"
if day(datafile)<10 then filedated="0"
filedate=year(datafile)&"-"&filedatem&month(datafile)&"-"&filedated&day(datafile)
getfilelink = "<url><loc>"&server.htmlencode(session("server")&seoDir&file)

&"</loc><lastmod>"&filedate&"</lastmod><changefreq>daily</changefreq><priority>1.0</priority></url>"
Response.Flush
End Function

Function Folderpermission(pathName)
PathExclusion=Array("\temp","\_vti_cnf","_vti_pvt","_vti_log","cgi-bin","\admin","\edu")
Folderpermission =True
for each PathExcluded in PathExclusion
if instr(ucase(pathName),ucase(PathExcluded))>0 then
Folderpermission = False
exit for
end if
next
End Function

Function FileExtensionIsBad(sFileName)
Dim sFileExtension, bFileExtensionIsValid, sFileExt
Extensions = Array

("png","gif","jpg","jpeg","zip","pdf","ps","html","htm","php","wk1","wk2","wk3","wk4","wk5","wki","wks","wku","lwp","mw","xls

","ppt","doc","swf","wks","wps","wdb","wri","rtf","ans","txt","asp")
'设置列表的文件名,扩展名不在其中的话SiteMap则不会收录该扩展名的文件

if len(trim(sFileName)) = 0 then
FileExtensionIsBad=true
Exit Function
end if

sFileExtension = right(sFileName, len(sFileName) - instrrev(sFileName, "."))
bFileExtensionIsValid=false
for each sFileExt in extensions
if ucase(sFileExt)=ucase(sFileExtension) then
bFileExtensionIsValid=True
exit for
end if
next
FileExtensionIsBad = not bFileExtensionIsValid
End Function
%>

Function getfilelink(file,datafile)
file=replace(file,root,"")
file=replace(file,"\","/")
If FileExtensionIsBad(file) then Exit Function
if month(datafile)<10 then filedatem="0"
if day(datafile)<10 then filedated="0"
filedate=year(datafile)&"-"&filedatem&month(datafile)&"-"&filedated&day(datafile)
getfilelink = "<url><loc>"&server.htmlencode(session("server")&seoDir&file)

%><%=file%><br><%

file=replace(file,"D:\wwwroot\jefftan\wwwroot\","")