从Excel中提取Flash文件的方法

今天收到一个Excel文件,里面内嵌精美的Flash动画.

经过查阅资料,找到了把Flash从Excel中提取的办法.步骤如下:

1.打开Excel软件

2.选"工具"---"宏"----"宏..."

3.取一个宏名,然后点"创建",出现包含二条语句的代码框

4.在上面的二条语句之间,输入以下的代码:

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 & " ]"

5.做好第4步后,按F5

6.通过出现的对话框,找到包含flash的Excel文件,点"打开"

7.出现一个对话框,点OK

此时Flash文件就提取出来了,与先前Excel文件在同一个位置