IAmTrue 发表于2000-11-2 7:56:49 ASP地带
getfile.htm
-------------------------
你可以找个图片试试，保存完毕后会有提示
savetodb.asp
----------------------------------
<%
Response.Buffer = TRUE
Response.Clear
byteCount = Request.TotalBytes
RequestBin = Request.BinaryRead(byteCount)
Dim UploadRequest
Set UploadRequest = CreateObject("Scripting.Dictionary")
BuildUploadRequest RequestBin
email = UploadRequest.Item("email").Item("Value")
contentType = UploadRequest.Item("blob").Item("ContentType")
filepathname = UploadRequest.Item("blob").Item("FileName")
filename = Right(filepathname,Len(filepathname)-InstrRev(filepathname,"\"))
picture = UploadRequest.Item("blob").Item("Value")
'Response.ContentType = contentType
'Response.binaryWrite picture
set objCn = server.createobject("adodb.connection")
set objRst = server.createobject("adodb.recordset")
objCn.Open "upload"
objrst.Open "pic", objcn, 1,3,2
objrst.addnew
objrst.fields("filename")=filename
objrst.fields("type")="gif"
objrst.fields("what").appendchunk picture
objrst.update
response.write "第" & objrst("id") & "个图片。"
objrst.close
objCn.close
set objrst=nothing
set objcn = nothing
%>
showpic.asp
----------------------------------------
<%
set objCn = server.createobject("adodb.connection")
set objRst = server.createobject("adodb.recordset")
objCn.Open "upload"
objrst.Open "select what from pic where id=" & request("id"), objcn
if not objrst.eof then
response.binarywrite objrst("what")
end if
objrst.close
objCn.close
set objrst=nothing
set objcn = nothing
%>
upload.asp
-------------------------------------------
<%
Sub BuildUploadRequest(RequestBin)
'Get the boundary
PosBeg = 1
PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(13)))
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 = 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 '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)) '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 = MidB(RequestBin,PosBeg,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)) End If 'Add content to dictionary object UploadControl.Add "Value" , Value 'Add dictionary object to main dictionary UploadRequest.Add name, UploadControl 'Loop to next object BoundaryPos=InstrB(BoundaryPos+LenB(boundary),RequestBin,boundary) Loop End Sub 'String to byte string conversion Function getByteString(StringStr) For i = 1 to Len(StringStr) char = Mid(StringStr,i,1) getByteString = getByteString & chrB(AscB(char)) Next End Function 'Byte string to string conversion Function getString(StringBin) getString ="" For intCount = 1 to LenB(StringBin) getString = getString & chr(AscB(MidB(StringBin,intCount,1))) Next End Function %> test.mdb(dsn 名称：upload) ---------------------------------------- 表pic: id:自动加 filename:文本 type:文本 what:ole ----------------------------------------- 存成单个文件，放在一个目录下，打开（必须用http://...）getfile.htm 上传一个.gif或.jpg就可以显示了。 对于大文件在显示程序(showpic.asp)中可能会用到循环和getchunk方法。自己去做。记住，由于ASP目前暂时不支持二进行制读写，只能存二进制到数据库中。 有什么问题，请致电veryblue@chinese.com (IAmTrue) -----------------------------------------------------------------