<SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT>
Function GetUpload(FormData)
    Dim DataStart,DivStr,DivLen,DataSize,FormFieldData
  '分隔标志串(+CRLF)
    DivStr = LeftB(FormData,InStrB(FormData,str2bin(VbCrLf)) + 1)
  '分隔标志串长度
    DivLen = LenB(DivStr)
    PosOpenBoundary = InStrB(FormData,DivStr)
    PosCloseBoundary = InStrB(PosOpenBoundary + 1,FormData,DivStr)
    Set Fields = CreateObject("Scripting.Dictionary")
  
  While PosOpenBoundary > 0 And PosCloseBoundary > 0
    'name起始位置(name="xxxxx")，加6是因为[name="]长度为6
    FieldNameStart = InStrB(PosOpenBoundary,FormData,str2bin("name=")) + 6
    FieldNameSize = InStrB(FieldNameStart,FormData,ChrB(34)) - FieldNameStart '(")的ASC值=34
    FormFieldName = bin2str(MidB(FormData,FieldNameStart,FieldNameSize))
    
    'filename起始位置(filename="xxxxx")
    FieldFileNameStart = InStrB(PosOpenBoundary,FormData,str2bin("filename=")) + 10
    If FieldFileNameStart < PosCloseBoundary And FieldFileNameStart > PosopenBoundary Then
     FieldFileNameSize = InStrB(FieldFileNameStart,FormData,ChrB(34)) - FieldFileNameStart '(")的ASC值=34
     FormFileName = bin2str(MidB(FormData,FieldFileNameStart,FieldFileNameSize))
    Else
     FormFileName = ""
    End If
    
    'Content-Type起始位置(Content-Type: xxxxx)
    FieldFileCTStart = InStrB(PosOpenBoundary,FormData,str2bin("Content-Type:")) + 14
    If FieldFileCTStart < PosCloseBoundary And FieldFileCTStart > PosOpenBoundary Then
     FieldFileCTSize = InStrB(FieldFileCTStart,FormData,str2bin(VbCrLf & VbCrLf)) - FieldFileCTStart
     FormFileCT = bin2str(MidB(FormData,FieldFileCTStart,FieldFileCTSize))
    Else
     FormFileCT = ""
    End If
    
    '数据起始位置：2个CRLF开始
    DataStart = InStrB(PosOpenBoundary,FormData,str2bin(VbCrLf & VbCrLf)) + 4
    If FormFileName <> "" Then
     '数据长度，减1是因为数据文件的存取字节数问题(可能是AppendChunk方法的问题)：
     '由于字节数为奇数的图象存到数据库时会去掉最后一个字符导致图象不能正确显示,
     '字节数为偶数的数据文件就不会出现这个问题，因此必须保持字节数为偶数。
     DataSize = InStrB(DataStart,FormData,DivStr) - DataStart - 1
     FormFieldData = MidB(FormData,DataStart,DataSize)
    Else
     '数据长度，减2是因为分隔标志串前有一个CRLF
     DataSize = InStrB(DataStart,FormData,DivStr) - DataStart - 2
     FormFieldData = bin2str(MidB(FormData,DataStart,DataSize))
    End If

    '建立一个Dictionary集存储Form中各个Field的相关数据
    Set Field = CreateUploadField()
    Field.Name = FormFieldName
    Field.FilePath = FormFileName
    Field.FileName = GetFileName(FormFileName)
    Field.ContentType = FormFileCT
    Field.Length = LenB(FormFieldData)
  &nbs