d:\wwwroot\wuchunhua\upfile_class.asp
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<%
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'----------------------------------------------------------------------
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'转发时请保留此声明信息,这段声明不并会影响你的速度!
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'******************* 无惧上传类 V1.2 ************************************
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'作者:梁无惧
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'网站:http://www.25cn.com
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'电子邮件:yjlrb@21cn.com
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'版权声明:版权所有,源代码公开,各种用途均可免费使用,但是修改后必须把修改后的文件
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'发送一份给作者.并且保留作者此版权信息
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'**********************************************************************
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'----------------------------------------------------------------------
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Dim oUpFileStream
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'----------------------------------------------------------------------
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'文件上传类
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Class UpFile_Class
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Dim Form,File,Version,Err
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Private Sub Class_Initialize
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Version = "无惧上传类 Version V1.2"
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Err = -1
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End Sub
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Private Sub Class_Terminate
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'清除变量及对像
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If Err < 0 Then
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Form.RemoveAll
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Set Form = Nothing
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File.RemoveAll
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Set File = Nothing
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oUpFileStream.Close
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Set oUpFileStream = Nothing
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End If
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End Sub
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Public Sub GetData (MaxSize)
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'定义变量
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Dim RequestBinData,sSpace,bCrLf,sInfo,iInfoStart,iInfoEnd,tStream,iStart,oFileInfo
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Dim iFileSize,sFilePath,sFileType,sFormValue,sFileName,lngRequestSize
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Dim iFindStart,iFindEnd
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Dim iFormStart,iFormEnd,sFormName,binRequestData
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'代码开始
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lngRequestSize=Request.TotalBytes
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If lngRequestSize < 1 Then '如果没有数据上传
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Err = 1
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Exit Sub
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End If
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If MaxSize > 0 Then '如果限制大小
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If lngRequestSize > MaxSize Then
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Err = 2 '如果上传的数据超出限制
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Exit Sub
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End If
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End If
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Set Form = Server.CreateObject ("Scripting.Dictionary")
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Form.CompareMode = 1
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Set File = Server.CreateObject ("Scripting.Dictionary")
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File.CompareMode = 1
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Set tStream = Server.CreateObject ("ADODB.Stream")
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Set oUpFileStream = Server.CreateObject ("ADODB.Stream")
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oUpFileStream.Type = 1
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oUpFileStream.Mode = 3
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oUpFileStream.Open
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binRequestData=Request.BinaryRead (lngRequestSize)
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oUpFileStream.Write binRequestData
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oUpFileStream.Position = 0
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RequestBinData = oUpFileStream.Read
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iFormEnd = oUpFileStream.Size
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bCrLf = ChrB (13) & ChrB (10)
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'取得每个项目之间的分隔符
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sSpace = MidB (RequestBinData,1, InStrB (1,RequestBinData,bCrLf)-1)
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iStart = LenB (sSpace)
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iFormStart = iStart+2
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'分解项目
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Do
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iInfoEnd = InStrB (iFormStart,RequestBinData,bCrLf & bCrLf)+3
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tStream.Type = 1
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tStream.Mode = 3
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tStream.Open
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oUpFileStream.Position = iFormStart
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oUpFileStream.CopyTo tStream,iInfoEnd-iFormStart
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tStream.Position = 0
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tStream.Type = 2
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tStream.CharSet = "gb2312"
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sInfo = tStream.ReadText
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'取得表单项目名称
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iFormStart = InStrB (iInfoEnd,RequestBinData,sSpace)-1
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iFindStart = InStr (22,sInfo,"name=""",1)+6
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iFindEnd = InStr (iFindStart,sInfo,"""",1)
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sFormName = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
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'如果是文件
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If InStr (45,sInfo,"filename=""",1) > 0 Then
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Set oFileInfo = new FileInfo_Class
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'取得文件属性
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iFindStart = InStr (iFindEnd,sInfo,"filename=""",1)+10
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iFindEnd = InStr (iFindStart,sInfo,"""",1)
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sFileName = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
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oFileInfo.FileName = trim(Mid (sFileName,InStrRev (sFileName, "\")+1))
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oFileInfo.FilePath = trim(Left (sFileName,InStrRev (sFileName, "\")))
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oFileInfo.FileExt = trim(Mid (sFileName,InStrRev (sFileName, ".")+1))
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iFindStart = InStr (iFindEnd,sInfo,"Content-Type: ",1)+14
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iFindEnd = InStr (iFindStart,sInfo,vbCr)
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oFileInfo.FileType = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
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oFileInfo.FileStart = iInfoEnd
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oFileInfo.FileSize = iFormStart -iInfoEnd -2
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oFileInfo.FormName = sFormName
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file.add sFormName,oFileInfo
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else
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'如果是表单项目
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tStream.Close
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tStream.Type = 1
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tStream.Mode = 3
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tStream.Open
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oUpFileStream.Position = iInfoEnd
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oUpFileStream.CopyTo tStream,iFormStart-iInfoEnd-2
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tStream.Position = 0
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tStream.Type = 2
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tStream.CharSet = "gb2312"
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sFormValue = tStream.ReadText
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If Form.Exists (sFormName) Then
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Form (sFormName) = Form (sFormName) & ", " & sFormValue
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else
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form.Add sFormName,sFormValue
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End If
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End If
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tStream.Close
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iFormStart = iFormStart+iStart+2
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'如果到文件尾了就退出
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Loop Until (iFormStart+2) >= iFormEnd
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RequestBinData = ""
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Set tStream = Nothing
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End Sub
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End Class
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'------------------------------------------------------------------------------
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'文件属性类
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Class FileInfo_Class
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Dim FormName,FileName,FilePath,FileSize,FileType,FileStart,FileExt
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'保存文件方法
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Public Function SaveToFile (Path)
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On Error Resume Next
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Dim oFileStream
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Set oFileStream = CreateObject ("ADODB.Stream")
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oFileStream.Type = 1
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oFileStream.Mode = 3
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oFileStream.Open
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oUpFileStream.Position = FileStart
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oUpFileStream.CopyTo oFileStream,FileSize
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oFileStream.SaveToFile Path,2
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oFileStream.Close
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Set oFileStream = Nothing
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End Function
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'取得文件数据
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Public Function FileData
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oUpFileStream.Position = FileStart
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FileData = oUpFileStream.Read (FileSize)
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End Function
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End Class
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%
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