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asp文件上传:文件上传 源代码
来源:互联网   发布日期:2016-03-01 11:02:18   浏览:1649次  

导读:!--#include FILE=upload.inc-- % dim upload,file,formName,formPath,iCount,filename,fileExt set upload=new upload_5xSoft ''建立上传对象 formPath=uploadimages/ ''在目录后加(/) if right(formPath,1)/ then formPath=formPath/ iCount=0 for each fo...

<!--#include FILE="upload.inc"-->

<%

dim upload,file,formName,formPath,iCount,filename,fileExt

set upload=new upload_5xSoft ''建立上传对象

formPath="uploadimages/"

''在目录后加(/)

if right(formPath,1)<>"/" then formPath=formPath&"/"

iCount=0

for each formName in upload.file ''列出所有上传了的文件

set file=upload.file(formName)''生成一个文件对象

if file.filesize<100 then

response.write "<font size=3><br>请先选择你要上传的图片[ <a href=# onclick=history.go(-1)>重新上传</a> ]</font>"

response.end

end if

if file.filesize>1000000 then

response.write "<font size=3><br>图片大小超过了限制[ <a href=# onclick=history.go(-1)>重新上传</a> ]</font>"

response.end

end if

fileExt=lcase(right(file.filename,4))

if fileEXT<>".jpg" and fileEXT<>".gif" then

response.write "<font size=3><br>文件格式只能为jpg和gif格式[ <a href=# onclick=history.go(-1)>重新上传</a> ]</font>"

response.end

end if

randomize

ranNum=int(90000*rnd)+10000

filename=formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&fileExt

filename1=year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&fileExt

if file.FileSize>0 then''如果 FileSize > 0 说明有文件数据

file.SaveAs Server.mappath(filename)''保存文件

response.write "<script>parent.form1.img.value='"&FileName1&"'</script>"

iCount=iCount+1

end if

set file=nothing

next

set upload=nothing''删除此对象

Response.Write "<img src='"&"../UpLoad/UpLoadImages/"&FileName1&"' onload ='DrawImage(this)'>"

response.end

%>

下面是upload.inc的代码。

<SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT>

dim upfile_5xSoft_Stream

Class upload_5xSoft

dim Form,File,Version

Private Sub Class_Initialize

dim iStart,iFileNameStart,iFileNameEnd,iEnd,vbEnter,iFormStart,iFormEnd,theFile

dim strDiv,mFormName,mFormValue,mFileName,mFileSize,mFilePath,iDivLen,mStr

if Request.TotalBytes<1 then Exit Sub

set Form=CreateObject("Scripting.Dictionary")

set File=CreateObject("Scripting.Dictionary")

set upfile_5xSoft_Stream=CreateObject("Adodb.Stream")

upfile_5xSoft_Stream.mode=3

upfile_5xSoft_Stream.type=1

upfile_5xSoft_Stream.open

upfile_5xSoft_Stream.write Request.BinaryRead(Request.TotalBytes)

vbEnter=Chr(13)&Chr(10)

iDivLen=inString(1,vbEnter)+1

strDiv=subString(1,iDivLen)

iFormStart=iDivLen

iFormEnd=inString(iformStart,strDiv)-1

while iFormStart < iFormEnd

iStart=inString(iFormStart,"name=""")

iEnd=inString(iStart+6,"""")

mFormName=subString(iStart+6,iEnd-iStart-6)

iFileNameStart=inString(iEnd+1,"filename=""")

if iFileNameStart>0 and iFileNameStart<iFormEnd then

iFileNameEnd=inString(iFileNameStart+10,"""")

mFileName=subString(iFileNameStart+10,iFileNameEnd-iFileNameStart-10)

iStart=inString(iFileNameEnd+1,vbEnter&vbEnter)

iEnd=inString(iStart+4,vbEnter&strDiv)

if iEnd>iStart then

mFileSize=iEnd-iStart-4

else

mFileSize=0

end if

set theFile=new FileInfo

theFile.FileName=getFileName(mFileName)

theFile.FilePath=getFilePath(mFileName)

theFile.FileSize=mFileSize

theFile.FileStart=iStart+4

theFile.FormName=FormName

file.add mFormName,theFile

else

iStart=inString(iEnd+1,vbEnter&vbEnter)

iEnd=inString(iStart+4,vbEnter&strDiv)

if iEnd>iStart then

mFormValue=subString(iStart+4,iEnd-iStart-4)

else

mFormValue=""

end if

form.Add mFormName,mFormValue

end if

iFormStart=iformEnd+iDivLen

iFormEnd=inString(iformStart,strDiv)-1

wend

End Sub

Private Function subString(theStart,theLen)

dim i,c,stemp

upfile_5xSoft_Stream.Position=theStart-1

stemp=""

for i=1 to theLen

if upfile_5xSoft_Stream.EOS then Exit for

c=ascB(upfile_5xSoft_Stream.Read(1))

If c > 127 Then

if upfile_5xSoft_Stream.EOS then Exit for

stemp=stemp&Chr(AscW(ChrB(AscB(upfile_5xSoft_Stream.Read(1)))&ChrB(c)))

i=i+1

else

stemp=stemp&Chr(c)

End If

Next

subString=stemp

End function

Private Function inString(theStart,varStr)

dim i,j,bt,theLen,str

InString=0

Str=toByte(varStr)

theLen=LenB(Str)

for i=theStart to upfile_5xSoft_Stream.Size-theLen

if i>upfile_5xSoft_Stream.size then exit Function

upfile_5xSoft_Stream.Position=i-1

if AscB(upfile_5xSoft_Stream.Read(1))=AscB(midB(Str,1)) then

InString=i

for j=2 to theLen

if upfile_5xSoft_Stream.EOS then

inString=0

Exit for

end if

if AscB(upfile_5xSoft_Stream.Read(1))<>AscB(MidB(Str,j,1)) then

InString=0

Exit For

end if

next

if InString<>0 then Exit Function

end if

next

End Function

Private Sub Class_Terminate

form.RemoveAll

file.RemoveAll

set form=nothing

set file=nothing

upfile_5xSoft_Stream.close

set upfile_5xSoft_Stream=nothing

End Sub

Private function GetFilePath(FullPath)

If FullPath <> "" Then

GetFilePath = left(FullPath,InStrRev(FullPath, ""))

Else

GetFilePath = ""

End If

Endfunction

Private function GetFileName(FullPath)

If FullPath <> "" Then

GetFileName = mid(FullPath,InStrRev(FullPath, "")+1)

Else

GetFileName = ""

End If

Endfunction

Private function toByte(Str)

dim i,iCode,c,iLow,iHigh

toByte=""

For i=1 To Len(Str)

c=mid(Str,i,1)

iCode =Asc(c)

If iCode<0 Then iCode = iCode + 65535

If iCode>255 Then

iLow = Left(Hex(Asc(c)),2)

iHigh =Right(Hex(Asc(c)),2)

toByte = toByte & chrB("&H"&iLow) & chrB("&H"&iHigh)

Else

toByte = toByte & chrB(AscB(c))

End If

Next

End function

End Class

Class FileInfo

dim FormName,FileName,FilePath,FileSize,FileStart

Private Sub Class_Initialize

FileName = ""

FilePath = ""

FileSize = 0

FileStart= 0

FormName = ""

End Sub

Public function SaveAs(FullPath)

dim dr,ErrorChar,i

SaveAs=1

if trim(fullpath)="" or FileSize=0 or FileStart=0 or FileName="" then exit function

if FileStart=0 or right(fullpath,1)="/" then exit function

set dr=CreateObject("Adodb.Stream")

dr.Mode=3

dr.Type=1

dr.Open

upfile_5xSoft_Stream.position=FileStart-1

upfile_5xSoft_Stream.copyto dr,FileSize

dr.SaveToFile FullPath,2

dr.Close

set dr=nothing

SaveAs=0

end function

End Class

</SCRIPT>

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