如何从word、excel、ppt中提取flash文件?

此方法在xp、window7下具有效果。

假设你要提取的flash在ppt中:

1、新建一个word文档(后缀是.doc,而不是.docx)

2、将待提取的ppt中的flash文件复制到步骤1中所建的word文档中。建议一个flash文件一个文档。

3、新建一个excel文档,快捷键[ALT+f11]调用出【Microsoft Visual Basic for Application】窗口

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4、按快捷键[F7],调用出【代码窗口】。粘贴如下代码

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5、按快捷键【F5】,运行。

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6、步骤5会弹出一个窗口,让你选择文件,那么你就可以选择步骤2中的那个word文档。

7、完成步骤6后,就将你要提取的flash文件弄出来了。

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Sub ExtractFlash()

Dim tmpFileName As String
Dim FileNumber As Integer
Dim myFileId As Long
Dim MyFileLen As Long
Dim myIndex As Long
Dim swfFileLen As Long
Dim i As Long
Dim swfArr() As Byte
Dim myArr() As Byte

tmpFileName = Application.GetOpenFilename("MS Office File (*.doc;*.xls), *.doc;*.xls", , "Open MS Office file")

If tmpFileName = "False" Then Exit Sub

myFileId = FreeFile

Open tmpFileName For Binary As #myFileId

MyFileLen = LOF(myFileId)

ReDim myArr(MyFileLen - 1)

Get myFileId, , myArr()

Close myFileId

Application.ScreenUpdating = False

i = 0

Do While i < MyFileLen

   If myArr(i) = &H46 Then

      If myArr(i + 1) = &H57 And myArr(i + 2) = &H53 Then

         swfFileLen = CLng(&H1000000) * myArr(i + 7) + CLng(&H10000) * myArr(i + 6) + CLng(&H100) * myArr(i + 5) + myArr(i + 4)

         ReDim swfArr(swfFileLen - 1)

         For myIndex = 0 To swfFileLen - 1
            swfArr(myIndex) = myArr(i + myIndex)
            Next myIndex
         Exit Do

      Else
            i = i + 3
      End If

   Else
        i = i + 1
   End If

Loop

myFileId = FreeFile

tmpFileName = Left(tmpFileName, Len(tmpFileName) - 4) & ".swf"

Open tmpFileName For Binary As #myFileId

Put #myFileId, , swfArr

Close myFileId

MsgBox "Save the extracted SWF Flash as [ " & tmpFileName & " ]"

End Sub
原文地址:https://www.cnblogs.com/leamiko/p/2879005.html