请高手把下面代码改成无组件上传文件代码，现在中有ＦＳＯ这段代码我希望改掉．
<SCRIPT LANGUAGE="VBSCRIPT" RUNAT="SERVER">
'*** Pure ASP File Upload -----------------------------------------------------
' Copyright 2001-2002 (c) George Petrov,
www.UDzone.com'
' 2.0.9的新功能:
' * 需要 ADO 2.5 及以上版本
' * 新的文件处理方式，封装函数，附加的错误检查
' * 兼容UltraDev 和MX的服务器行为扩展
' * 上传进度条，文件大小限制检查，文件类型检查，文件是否已经存在检查
' * 支持 UltraDev和DW MX 插入/更新服务器行为
' * 可以上传并保存到不同的分类文件夹中
' * 还有更多的功能，有待你去了解哦
'
'' Copyright 2001-2002 (c) Modify by zeny
'*********版权所有，盗版不究**********
' *** Date: 11/15/2002 ***
' *** 修改了一些代码，现在百分百保证上传到数据库中的说明文件不再是乱码了 ***
' *** 中文文件名保证百分百以原文件名保存上传文件！******
' *** Welcome to visite zeny.126.net or mail zen99@163.com to me！***
' Version: 2.0.9
'------------------------------------------------------------------------------
Function getPureUploadVersion()
getPureUploadVersion = 2.09
End Function
Sub BuildUploadRequest(RequestBin,UploadDirectory,storeType,sizeLimit,nameConflict)
Dim PosBeg, PosEnd, checkADOConn, AdoVersion, Length, boundary, boundaryPos, Pos
Dim PosFile, Name, PosBound, FileName, ContentType, value, valueBeg, valueEnd, valueLen
'Get the boundary
PosBeg = 1
PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(13)))
if PosEnd = 0 then
Response.Write "<b>提交表单不是 ENCTYPE=""multipart/form-data""类型</b><br>"
Response.Write "请修改后按返回 <A HREF=""javascript:history.back(1)"">再试</a>"
Response.End
end if
'Check ADO Version
set checkADOConn = Server.CreateObject("ADODB.Connection"
on error resume next
adoVersion = CSng(checkADOConn.Version)
if err then
adoVersion = Replace(checkADOConn.Version,".",","
adoVersion = CSng(adoVersion)
end if
err.clear
on error goto 0
set checkADOConn = Nothing
if adoVersion < 2.5 then
Response.Write "<b>你的机器上没有安装 ADO 2.5及以上的版本</b><br>"
Response.Write "File Upload 需要 ADO 2.5 及以上版本才能运行<br>"
Response.Write "你能从<a href=""www.microsoft.com/data"">www.microsoft.com/data</a>上下载最新的MDAC (ADO is included) 版本<br>"
Response.End
end if
'Check content length if needed 如果需要检查内容长度
Length = CLng(Request.ServerVariables("HTTP_Content_Length"
) 'Get Content-Length header
If "" & sizeLimit <> "" Then
sizeLimit = CLng(sizeLimit) * 1024
If Length > sizeLimit Then
Request.BinaryRead (Length)
Response.Write "上传文件大小 " & FormatNumber(Length, 0) & "B 超过了限制的" & FormatNumber(sizeLimit, 0) & "B"
Response.Write "请改正后，按后退按钮或<A HREF=""javascript:history.back(1)"">再试！</a>"
Response.End
End If
End If
boundary = MidB(RequestBin,PosBeg,PosEnd-PosBeg)
boundaryPos = InstrB(1,RequestBin,boundary)
'Get all data inside the boundaries
Do until (boundaryPos=InstrB(RequestBin,boundary & getByteString("--"
))
'Members variable of objects are put in a dictionary object
Dim UploadControl
Set UploadControl = CreateObject("Scripting.Dictionary"
'Get an object name
Pos = InstrB(BoundaryPos,RequestBin,getByteString("Content-Disposition"
)
Pos = InstrB(Pos,RequestBin,getByteString("name="
)
PosBeg = Pos+6
PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(34)))
Name = LCase(getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg)))
PosFile = InstrB(BoundaryPos,RequestBin,getByteString("filename="
)
PosBound = InstrB(PosEnd,RequestBin,boundary)
'Test if object is of file type
If PosFile<>0 AND (PosFile<PosBound) Then
'Get Filename, content-type and content of file
PosBeg = PosFile + 10
PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(34)))
FileName = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
FileName = Mid(FileName,InStrRev(FileName,"\"
+1)
'Add filename to dictionary object
UploadControl.Add "FileName", FileName
Pos = InstrB(PosEnd,RequestBin,getByteString("Content-Type:"
)
PosBeg = Pos+14
PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(13)))
'Add content-type to dictionary object
ContentType = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
UploadControl.Add "ContentType",ContentType
'Get content of object
PosBeg = PosEnd+4
PosEnd = InstrB(PosBeg,RequestBin,boundary)-2
value = FileName
valueBeg = PosBeg-1
valueLen = PosEnd-Posbeg
Else
'Get content of object
Pos = InstrB(Pos,RequestBin,getByteString(chr(13)))
PosBeg = Pos+4
PosEnd = InstrB(PosBeg,RequestBin,boundary)-2
value = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
valueBeg = 0
valueEnd = 0
End If
'Add content to dictionary object
UploadControl.Add "value" , value
UploadControl.Add "valueBeg" , valueBeg
UploadControl.Add "valueLen" , valueLen
'Add dictionary object to main dictionary
if UploadRequest.Exists(name) then
UploadRequest(name).Item("value"
= UploadRequest(name).Item("value"
& "," & value
else
UploadRequest.Add name, UploadControl
end if
BoundaryPos=InstrB(BoundaryPos+LenB(boundary),RequestBin,boundary)
Loop
Dim GP_keys, GP_i, GP_curKey, GP_value, GP_valueBeg, GP_valueLen, GP_curPath, GP_FullPath
Dim GP_CurFileName, GP_FullFileName, fso, GP_BegFolder, GP_RelFolder, GP_FileExist, Begin_Name_Num
Dim orgUploadDirectory
if InStr(UploadDirectory,""""
> 0 then
on error resume next
orgUploadDirectory = UploadDirectory
UploadDirectory = eval(UploadDirectory)
if err then
Response.Write "<B>上传文件夹无效</B><br><br>"
Response.Write "上传文件夹: " & Trim(orgUploadDirectory) & "<br>"
Response.Write "请改正后，按后退按钮或<A HREF=""javascript:history.back(1)"">再试！</a>"
err.clear
response.End
end if
on error goto 0
end if
GP_keys = UploadRequest.Keys
for GP_i = 0 to UploadRequest.Count - 1
GP_curKey = GP_keys(GP_i)
if UploadRequest.Item(GP_curKey).Item("FileName"
<> "" then
GP_value = UploadRequest.Item(GP_curKey).Item("value"
GP_valueBeg = UploadRequest.Item(GP_curKey).Item("valueBeg"
GP_valueLen = UploadRequest.Item(GP_curKey).Item("valueLen"
if InStr(UploadDirectory,"\"
> 0 then
GP_curPath = UploadDirectory
if Mid(GP_curPath,Len(GP_curPath),1) <> "\" then
GP_curPath = GP_curPath & "\"
end if
GP_FullPath = GP_curPath
else
GP_curPath = Request.ServerVariables("PATH_INFO"
GP_curPath = Trim(Mid(GP_curPath,1,InStrRev(GP_curPath,"/"
) & UploadDirectory)
if Mid(GP_curPath,Len(GP_curPath),1) <> "/" then
GP_curPath = GP_curPath & "/"
end if
GP_FullPath = Trim(Server.mappath(GP_curPath))
end if
if GP_valueLen = 0 then
Response.Write "<B>在保存上传文件时发生了一个错误!</B><br><br>"
Response.Write "文件名: " & Trim(GP_curPath) & UploadRequest.Item(GP_curKey).Item("FileName"
& "<br>"
Response.Write "文件不存在或者为空<br>"
Response.Write "请改正后，按后退按钮或<A HREF=""javascript:history.back(1)"">再试！</a>"
response.End
end if
'Create a Stream instance
Dim GP_strm1, GP_strm2
Set GP_strm1 = Server.CreateObject("ADODB.Stream"
Set GP_strm2 = Server.CreateObject("ADODB.Stream"
'Open the stream
GP_strm1.Open
GP_strm1.Type = 1 'Binary
GP_strm2.Open
GP_strm2.Type = 1 'Binary
GP_strm1.Write RequestBin
GP_strm1.Position = GP_valueBeg
GP_strm1.CopyTo GP_strm2,GP_valueLen
'Create and Write to a File
GP_CurFileName = UploadRequest.Item(GP_curKey).Item("FileName"
GP_FullFileName = GP_FullPath & "\" & GP_CurFileName
Set fso = CreateObject("Scripting.FileSystemObject"
'Check if the folder exist
If NOT fso.FolderExists(GP_FullPath) Then
GP_BegFolder = InStr(GP_FullPath,"\"
while GP_begFolder > 0
GP_RelFolder = Mid(GP_FullPath,1,GP_BegFolder-1)
If NOT fso.FolderExists(GP_RelFolder) Then
fso.CreateFolder(GP_RelFolder)
end if
GP_BegFolder = InStr(GP_BegFolder+1,GP_FullPath,"\"
wend
If NOT fso.FolderExists(GP_FullPath) Then
fso.CreateFolder(GP_FullPath)
end if
end if
GP_FileExist = false
If fso.FileExists(GP_FullFileName) Then
GP_FileExist = true
End If
if nameConflict = "error" and GP_FileExist then
Response.Write "<B>文件已经存在!</B><br><br>"
Response.Write "请改正后，按后退按钮或<A HREF=""javascript:history.back(1)"">再试！</a>"
GP_strm1.Close
GP_strm2.Close
response.End
end if
if ((nameConflict = "over" or nameConflict = "uniq"
and GP_FileExist) or (NOT GP_FileExist) then
if nameConflict = "uniq" and GP_FileExist then
Begin_Name_Num = 0
while GP_FileExist
Begin_Name_Num = Begin_Name_Num + 1
GP_FullFileName = Trim(GP_FullPath)& "\" & fso.GetBaseName(GP_CurFileName) & "_" & Begin_Name_Num & "." & fso.GetExtensionName(GP_CurFileName)
GP_FileExist = fso.FileExists(GP_FullFileName)
wend
UploadRequest.Item(GP_curKey).Item("FileName"
= fso.GetBaseName(GP_CurFileName) & "_" & Begin_Name_Num & "." & fso.GetExtensionName(GP_CurFileName)
UploadRequest.Item(GP_curKey).Item("value"
= UploadRequest.Item(GP_curKey).Item("FileName"
end if
on error resume next
GP_strm2.SaveToFile GP_FullFileName,2
if err then
Response.Write "<B>在保存上传文件时发生了一个错误!</B><br><br>"
Response.Write "文件名: " & Trim(GP_curPath) & UploadRequest.Item(GP_curKey).Item("FileName"
& "<br>"
Response.Write "可能目标目录不存在, 或者你没有写的权力。<br>"
Response.Write "请改正后，按后退按钮或<A HREF=""javascript:history.back(1)"">再试！</a>"
err.clear
GP_strm1.Close
GP_strm2.Close
response.End
end if
GP_strm1.Close
GP_strm2.Close
if storeType = "path" then
UploadRequest.Item(GP_curKey).Item("value"
= GP_curPath & UploadRequest.Item(GP_curKey).Item("value"
end if
on error goto 0
end if
end if
next
End Sub
'String to byte string conversion
Function getByteString(StringStr)
getByteString = ""
Dim i, char
For i = 1 to Len(StringStr)
varchar = Mid(StringStr,i,1)
varasc = Asc(varchar)
If varasc<0 Then
varasc = varasc + 65535
End If
If varasc>255 Then
varzenylow = Left(Hex(Asc(varchar)),2)
varzenyhigh = right(Hex(Asc(varchar)),2)
getByteString = getByteString & chrB("&H" & varzenylow) & chrB("&H" & varzenyhigh)
Else
getByteString = getByteString & chrB(AscB(varchar))
End If
Next
End Function
'Byte string to string conversion (with double-byte support now)
Function getString(StringBin)
Dim zenyskipflag,get1Byte,varzenylen,varzenystring
varzenylen =""
zenyskipflag=0
If Not IsNull(StringBin) Then
varzenylen = LenB(StringBin)
For i = 1 to varzenylen
If zenyskipflag=0 Then
get1Byte = MidB(StringBin,i,1)
If AscB(get1Byte) > 127 Then
varzenystring =varzenystring & Chr(AscW(MidB(StringBin,i+1,1) & get1Byte))
zenyskipflag=1
Else
varzenystring = varzenystring & chr(AscB(get1Byte))
End If
Else
zenyskipflag=0
End If
Next
end if
getstring = varzenystring
End Function
Function UploadFormRequest(name)
Dim keyName
keyName = LCase(name)
if IsObject(UploadRequest) then
if UploadRequest.Exists(keyName) then
if UploadRequest.Item(keyName).Exists("value"
then
UploadFormRequest = UploadRequest.Item(keyName).Item("value"
end if
end if
end if
End Function
Function RemoveInvalidChars(str)
Dim newStr, ci, curChar
for ci = 1 to Len(str)
curChar = Asc(LCase(Mid(str,ci,1)))
if curChar = 95 or curChar = 45 or curChar = 46 or (curChar >= 97 and curChar <= 122) or (curChar >= 48 and curChar <= 57) then
newStr = newStr & Mid(str,ci,1)
end if
next
RemoveInvalidChars = newStr
End Function
Sub PureUploadSetup()
UploadQueryString = Replace(Request.QueryString,"GP_upload=true",""
if mid(UploadQueryString,1,1) = "&" then
UploadQueryString = Mid(UploadQueryString,2)
end if
GP_uploadAction = CStr(Request.ServerVariables("URL"
) & "?GP_upload=true"
If (Request.QueryString <> ""
Then
if UploadQueryString <> "" then
GP_uploadAction = GP_uploadAction & "&" & UploadQueryString
end if
End If
End Sub
Function FixFieldsForUpload(GP_fieldsStr, GP_columnsStr)
Dim GP_counter, GP_Fields, GP_Columns, GP_FieldName, GP_Fieldvalue, GP_CurFileName, GP_CurContentType
GP_Fields = Split(GP_fieldsStr, "|"
GP_Columns = Split(GP_columnsStr, "|"
GP_fieldsStr = ""
' 取得表单值
For GP_counter = LBound(GP_Fields) To UBound(GP_Fields) Step 2
GP_FieldName = LCase(GP_Fields(GP_counter))
GP_Fieldvalue = GP_Fields(GP_counter+1)
if UploadRequest.Exists(GP_FieldName) then
GP_CurFileName = UploadRequest.Item(GP_FieldName).Item("FileName"
GP_CurContentType = UploadRequest.Item(GP_FieldName).Item("ContentType"
else
GP_CurFileName = ""
GP_CurContentType = ""
end if
if (GP_CurFileName = "" and GP_CurContentType = ""
or (GP_CurFileName <> "" and GP_CurContentType <> ""
then
GP_fieldsStr = GP_fieldsStr & GP_FieldName & "|" & GP_Fieldvalue & "|"
end if
Next
if GP_fieldsStr <> "" then
GP_fieldsStr = Mid(GP_fieldsStr,1,Len(GP_fieldsStr)-1)
else
Response.Write "<B>当更新记录时发生了一个错误!</B><br><br>"
Response.Write "没有找到要更新的字段 ...<br>"
Response.Write "假如上传文件字段仅仅是你的表单字段，你必需在数据库中创始这个字段。<br>"
Response.Write "请改正后，按后退按钮或<A HREF=""javascript:history.back(1)"">再试！</a>"
Response.End
end if
FixFieldsForUpload = GP_fieldsStr
End Function
Function FixColumnsForUpload(GP_fieldsStr, GP_columnsStr)
Dim GP_counter, GP_Fields, GP_Columns, GP_FieldName, GP_ColumnName, GP_Columnvalue,GP_CurFileName, GP_CurContentType
GP_Fields = Split(GP_fieldsStr, "|"
GP_Columns = Split(GP_columnsStr, "|"
GP_columnsStr = ""
' 取得表单值
For GP_counter = LBound(GP_Fields) To UBound(GP_Fields) Step 2
GP_FieldName = LCase(GP_Fields(GP_counter))
GP_ColumnName = GP_Columns(GP_counter)
GP_Columnvalue = GP_Columns(GP_counter+1)
if UploadRequest.Exists(GP_FieldName) then
GP_CurFileName = UploadRequest.Item(GP_FieldName).Item("FileName"
GP_CurContentType = UploadRequest.Item(GP_FieldName).Item("ContentType"
else
GP_CurFileName = ""
GP_CurContentType = ""
end if
if (GP_CurFileName = "" and GP_CurContentType = ""
or (GP_CurFileName <> "" and GP_CurContentType <> ""
then
GP_columnsStr = GP_columnsStr & GP_ColumnName & "|" & GP_Columnvalue & "|"
end if
Next
if GP_columnsStr <> "" then
GP_columnsStr = Mid(GP_columnsStr,1,Len(GP_columnsStr)-1)
end if
FixColumnsForUpload = GP_columnsStr
End Function
</SCRIPT>
