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首先，图片在页面中能查找选择。设计表单页面index.asp和上传选择页upload.asp，upload.asp在index.asp中以iframe包含。其次，所选图片应能上传到某文件夹。建立一文件夹uploadimg最后，传上去的图片应如何引用？很显然，采用UBB立即显示。upload.asp的指向对象upfile.asp具有写入UBB标签的功能。图片上传采用稻香老农的无组件上传。所以upload.inc文件必不可少。1，upload.inc（拷贝以下文本框的所有代码）

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

Version=""

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
End

function

Private function GetFileName(FullPath)

If FullPath <> "" Then

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

Else

GetFileName = ""

End If
End

function

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

[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行] 2，表单页面index.asp。注意包含的上传选择页upload.asp 3，上传选择页upload.asp注意：enctype="multipart/form-data" 类型：gif,jpg，限制：100K4，最后一个文件upfile.asp主要作用：生成图片名，并将图片上传，同样也要将UBB标签写入index.asp中的textarea中。（拷贝以下文本框的所有代码）<!--#include file="upload.inc"-->



文件上传




parent.document.forms[0].Submit.disabled=false;

<%
dim upload,file,formName,formPath,iCount,filename,fileExt
set upload=new upload_5xSoft ''建立上传对象

formPath=upload.form("filepath")
''在目录后加(/)
if right(formPath,1)<>"/" then formPath=formPath&"/"

response.write ""

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 "请选择你要上传的文件　[ 重新上传 ]"

response.end
end if

if file.filesize>100*1000 then

response.write "文件大小超过了限制100K　[ 重新上传 ]"

response.end
end if

fileExt=lcase(right(file.filename,4))
uploadsuc=false
Forum_upload="gif,jpg,png"
Forumupload=split(Forum_upload,",")
for i=0 to ubound(Forumupload)

if fileEXT="."&trim(Forumupload(i)) then

uploadsuc=true

exit for

else

uploadsuc=false

end if
next
if uploadsuc=false then

response.write "文件格式不正确　[ 重新上传 ]"

response.end
end if

randomize
ranNum=int(90000*rnd)+10000
filename=formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&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

for i=0 to ubound(Forumupload)

if fileEXT="."&trim(Forumupload(i)) then

response.write "parent.form_name.cn_content.value+=''" exit for end if next iCount=iCount+1 end if set file=nothing next set upload=nothing ''删除此对象 Htmend iCount&" 个文件上传结束!" sub HtmEnd(Msg) set upload=nothing response.write "上传成功 [ 继续上传]" response.end end sub %>

[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行] 当然，保持图片的文件夹uploadimg不能少关闭本页

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