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Dim StreamT
Class AnUpLoad
Private Form, Fils
Private vCharSet, vMaxSize, vSingleSize, vErr, vVersion, vTotalSize, vExe, pID,vOP
Public Property Let MaxSize(ByVal value)
vMaxSize = value
End Property
Public Property Let SingleSize(ByVal value)
vSingleSize = value
End Property
Public Property Let Exe(ByVal value)
vExe = LCase(value)
End Property
Public Property Let CharSet(ByVal value)
vCharSet = value
End Property
Public Property Get ErrorID()
ErrorID = vErr
End Property
Public Property Get Description()
Description = GetErr(vErr)
End Property
Public Property Get Version()
Version = vVersion
End Property
Public Property Get TotalSize()
TotalSize = vTotalSize
End Property
Public Property Get ProcessID()
ProcessID = pID
End Property
Public Property Let openProcesser(ByVal value)
vOP = value
End Property
Private Sub Class_Initialize()
set StreamT=server.createobject("ADODB.STREAM")
set Form = server.createobject("Scripting.Dictionary")
set Fils = server.createobject("Scripting.Dictionary")
vVersion = "V9.9.9"
vMaxSize = -1
vSingleSize = -1
vErr = -1
vExe = ""
vTotalSize = 0
vCharSet = "utf-8"
vOP=false
pID="Upload"
setApp "",0,0,""
End Sub
Private Sub Class_Terminate()
Form.RemoveAll()
Fils.RemoveAll()
Set Form = Nothing
Set Fils = Nothing
Set StreamT = Nothing
End Sub
Public Sub GetData()
If vMaxSize > 0 And Request.TotalBytes > vMaxSize Then
vErr = 1
Exit Sub
End If
if vOP then pID=request.querystring("processid")
Dim value, str, bcrlf, fpos, sSplit, slen, istart
Dim TotalBytes,BytesRead,ChunkReadSize,PartSize,DataPart,tempdata,formend, formhead, startpos, endpos, formname, FileName, fileExe, valueend, NewName,localname,type_1,contentType
If checkEntryType = True Then
vTotalSize = 0
StreamT.Type = 1
StreamT.Mode = 3
StreamT.Open
TotalBytes = Request.TotalBytes
BytesRead = 0
ChunkReadSize = 1024 * 36
Do While BytesRead < TotalBytes
PartSize = ChunkReadSize
If PartSize + BytesRead > TotalBytes Then PartSize = TotalBytes - BytesRead
DataPart = Request.BinaryRead(PartSize)
StreamT.Write DataPart
BytesRead = BytesRead + PartSize
setApp "uploading",TotalBytes,BytesRead,""
Loop
setApp "uploaded",TotalBytes,BytesRead,""
StreamT.Position = 0
tempdata = StreamT.Read
bcrlf = ChrB(13) & ChrB(10)
fpos = InStrB(1, tempdata, bcrlf)
sSplit = MidB(tempdata, 1, fpos - 1)
slen = LenB(sSplit)
istart = slen + 2
Do
formend = InStrB(istart, tempdata, bcrlf & bcrlf)
formhead = MidB(tempdata, istart, formend - istart)
str = Bytes2Str(formhead)
startpos = InStr(str, "name=""") + 6
endpos = InStr(startpos, str, """")
formname = LCase(Mid(str, startpos, endpos - startpos))
valueend = InStrB(formend + 3, tempdata, sSplit)
If InStr(str, "filename=""") > 0 Then
startpos = InStr(str, "filename=""") + 10
endpos = InStr(startpos, str, """")
type_1=instr(endpos,lcase(str),"content-type")
contentType=trim(mid(str,type_1+13))
FileName = Mid(str, startpos, endpos - startpos)
If Trim(FileName) <> "" Then
LocalName = FileName
FileName = Replace(FileName, "/", "\")
FileName = Mid(FileName, InStrRev(FileName, "\") + 1)
setApp "processing",TotalBytes,BytesRead,FileName
If instr(FileName,".")>0 Then
fileExe = Split(FileName, ".")(UBound(Split(FileName, ".")))
else
fileExe = ""
End If
If vExe <> "" Then
If checkExe(fileExe) = True Then
vErr = 3
Exit Sub
End If
End If
NewName = Getname()
NewName = NewName & "." & fileExe
vTotalSize = vTotalSize + valueend - formend - 6
If vSingleSize > 0 And (valueend - formend - 6) > vSingleSize Then
vErr = 5
Exit Sub
End If
If vMaxSize > 0 And vTotalSize > vMaxSize Then
vErr = 1
Exit Sub
End If
If Fils.Exists(formname) Then
vErr = 4
Exit Sub
Else
Dim fileCls:set fileCls=New fileAction
fileCls.ContentType=contentType
fileCls.Size = (valueend - formend - 6)
fileCls.Position = (formend + 3)
fileCls.NewName = NewName
fileCls.LocalName = FileName
Fils.Add formname, fileCls
Form.Add formname, LocalName
Set fileCls = Nothing
End If
End If
Else
value = MidB(tempdata, formend + 4, valueend - formend - 6)
If Form.Exists(formname) Then
Form(formname) = Form(formname) & "," & Bytes2Str(value)
Else
Form.Add formname, Bytes2Str(value)
End If
End If
istart = valueend + 2 + slen
Loop Until (istart + 2) >= LenB(tempdata)
vErr = 0
Else
vErr = 2
End If
setApp "processed",TotalBytes,BytesRead,""
if err then setApp "faild",1,0,err.description
End Sub
Public sub setApp(stp,total,current,desc)
Application.lock()
Application(pID)="{ID:""" & pID & """,step:""" & stp & """,total:" & total & ",now:" & current & ",description:""" & desc & """,dt:""" & now() & """}"
Application.unlock()
end sub
Private Function checkExe(ByVal ex)
Dim notIn: notIn = True
If vExe="*" then
notIn=false
elseIf InStr(1, vExe, "|") > 0 Then
Dim tempExe: tempExe = Split(vExe, "|")
Dim I: I = 0
For I = 0 To UBound(tempExe)
If LCase(ex) = tempExe(I) Then
notIn = False
Exit For
End If
Next
Else
If vExe = LCase(ex) Then
notIn = False
End If
End If
checkExe = notIn
End Function
Public Function GetSize(ByVal Size)
If Size < 1024 Then
GetSize = FormatNumber(Size, 2) & "B"
ElseIf Size >= 1024 And Size < 1048576 Then
GetSize = FormatNumber(Size / 1024, 2) & "KB"
ElseIf Size >= 1048576 Then
GetSize = FormatNumber((Size / 1024) / 1024, 2) & "MB"
End If
End Function
Private Function Bytes2Str(ByVal byt)
If LenB(byt) = 0 Then
Bytes2Str = ""
Exit Function
End If
Dim mystream, bstr
Set mystream =server.createobject("ADODB.Stream")
mystream.Type = 2
mystream.Mode = 3
mystream.Open
mystream.WriteText byt
mystream.Position = 0
mystream.CharSet = vCharSet
mystream.Position = 2
bstr = mystream.ReadText()
mystream.Close
Set mystream = Nothing
Bytes2Str = bstr
End Function
Private Function GetErr(ByVal Num)
Select Case Num
Case 0
GetErr = "数据处理完毕!"
Case 1
GetErr = "上传数据超过" & GetSize(vMaxSize) & "限制!可设置MaxSize属性来改变限制!"
Case 2
GetErr = "未设置上传表单enctype属性为multipart/form-data或者未设置method属性为Post,上传无效!"
Case 3
GetErr = "含有非法扩展名文件!只能上传扩展名为" & Replace(vExe, "|", ",") & "的文件"
Case 4
GetErr = "对不起,程序不允许使用相同name属性的文件域!"
Case 5
GetErr = "单个文件大小超出" & GetSize(vSingleSize) & "的上传限制!"
End Select
End Function
Private Function Getname()
Dim y, m, d, h, mm, S, r
Randomize
y = Year(Now)
m = Month(Now): If m < 10 Then m = "0" & m
d = Day(Now): If d < 10 Then d = "0" & d
h = Hour(Now): If h < 10 Then h = "0" & h
mm = Minute(Now): If mm < 10 Then mm = "0" & mm
S = Second(Now): If S < 10 Then S = "0" & S
r = 0
r = CInt(Rnd() * 1000)
If r < 10 Then r = "00" & r
If r < 100 And r >= 10 Then r = "0" & r
Getname = y & m & d & h & mm & S & r
End Function
Private Function checkEntryType()
Dim ContentType, ctArray, bArray,RequestMethod
RequestMethod=trim(LCase(Request.ServerVariables("REQUEST_METHOD")))
if RequestMethod="" or RequestMethod<>"post" then
checkEntryType = False
exit function
end if
ContentType = LCase(Request.ServerVariables("HTTP_CONTENT_TYPE"))
ctArray = Split(ContentType, ";")
if ubound(ctarray)>=0 then
If Trim(ctArray(0)) = "multipart/form-data" Then
checkEntryType = True
Else
checkEntryType = False
End If
else
checkEntryType = False
end if
End Function
Public Function Forms(ByVal formname)
If trim(formname) = "-1" Then
Set Forms = Form
Else
If Form.Exists(LCase(formname)) Then
Forms = Form(LCase(formname))
Else
Forms = ""
End If
End If
End Function
Public Function Files(ByVal formname)
If trim(formname) = "-1" Then
Set Files = Fils
Else
If Fils.Exists(LCase(formname)) Then
Set Files = Fils(LCase(formname))
Else
Set Files = Nothing
End If
End If
End Function
Public Function SaveAs(ByVal formname,ByVal path, ByVal saveType )
dim vfileAction
set vfileAction=Files(formname)
if vfileAction.FileName<>"" then
if vfileAction.SaveToFile(path,saveType) then
SaveAs=vfileAction.FileName
else
SaveAs="Has Error!"
end if
end if
set vfileAction=nothing
end function
End Class
Class fileAction
Private vSize, vPosition, vName, vNewName, vLocalName, vPath, saveName,vContentType
Public Property Let NewName(ByVal value)
vNewName = value
End Property
Public Property Get NewName()
NewName = vNewName
End Property
Public Property Let ContentType(vData)
vContentType = vData
End Property
Public Property Get ContentType()
ContentType = vContentType
End Property
Public Property Let LocalName(ByVal value)
vLocalName = value
vName = value
End Property
Public Property Get LocalName()
LocalName = vLocalName
End Property
Public Property Get FileName()
FileName = vName
End Property
Public Property Let Position(ByVal value)
vPosition = value
End Property
Public Property Let Size(ByVal value)
vSize = value
End Property
Public Property Get Size()
Size = vSize
End Property
Public Function SaveToFile(ByVal path, ByVal saveType)
On Error Resume Next
Err.Clear
vPath = Replace(path, "/", "\")
If Right(vPath, 1) <> "\" Then vPath = vPath & "\"
CreateFolder vPath
Dim mystream
Set mystream =server.createobject("ADODB.Stream")
mystream.Type = 1
mystream.Mode = 3
mystream.Open
StreamT.Position = vPosition
StreamT.CopyTo mystream, vSize
vName = vNewName
If saveType = 1 Then vName = vLocalName
mystream.SaveToFile vPath & vName, 2
mystream.Close
Set mystream = Nothing
If Err Then
SaveToFile = False
Else
SaveToFile = True
End If
End Function
Public Function GetBytes()
StreamT.Position = vPosition
GetBytes = StreamT.Read(vSize)
End Function
Private Function CreateFolder(ByVal FolderPath)
on error resume next
Dim FolderArray
Dim i
Dim DiskName
Dim Created
Dim FSO : Set FSO = Server.CreateObject("Scripting.FileSystemObject")
If FSO.FolderExists(FolderPath) Then
Set Fso = Nothing
Exit Function
End If
FolderPath = Replace(FolderPath, "/", "\")
If Mid(FolderPath, Len(FolderPath), 1) = "\" Then FolderPath = Mid(FolderPath, 1, Len(FolderPath) - 1)
FolderArray = Split(FolderPath, "\")
DiskName = FolderArray(0)
Created = DiskName
For i = 1 To UBound(FolderArray)
Created = Created & "\" & FolderArray(i)
If Not FSO.FolderExists(Created) Then FSO.CreateFolder Created
Next
Set FSO = Nothing
err.clear
End Function
End Class