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  • 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

    image

    4、按快捷键[F7],调用出【代码窗口】。粘贴如下代码

    image

    5、按快捷键【F5】,运行。

    image

    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。

    image

    image

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