Excel设置和取消宏保护密码代码

'移除VBA编码保护
Sub MoveProtect()
Dim FileName As String
FileName = Application.GetOpenFilename("Excel文件（*.xls *.xla,*.xls;*.xla", , "VBA破解")

If FileName = CStr(False) Then
Exit Sub
Else
VBAPassword FileName, False
End If
End Sub


'设置VBA编码保护


Sub SetProtect()
Dim FileName As String

FileName = Application.GetOpenFilename("Excel文件（*.xls *.xla,*.xls;*.xla", , "VBA破解")

If FileName = CStr(False) Then
Exit Sub
Else
VBAPassword FileName, True
End If
End Sub

Private Function VBAPassword(FileName As String, Optional Protect As Boolean = False)

If Dir(FileName) = "" Then
Exit Function
Else
FileCopy FileName, FileName & ".bak"
End If
Dim GetData As String * 5
Open FileName For Binary As #1
Dim CMGs As Long
Dim DPBo As Long
For i = 1 To LOF(1)
Get #1, i, GetData

If GetData = "CMG=""" Then CMGs = i

If GetData = "[Host" Then DPBo = i - 2: Exit For

Next
If CMGs = 0 Then
MsgBox "请先对VBA编码设置一个保护密码...", 32, "提示"
Exit Function
End If
If Protect = False Then
Dim St As String * 2
Dim s20 As String * 1

'取得一个0D0A十六进制字串
Get #1, CMGs - 2, St


'取得一个20十六制字串
Get #1, DPBo + 16, s20

'替换加密部份机码

For i = CMGs To DPBo Step 2
Put #1, i, St
Next

'加入不配对符号

If (DPBo - CMGs) Mod 2 <> 0 Then
Put #1, DPBo + 1, s20
End If

MsgBox "文件解密成功......", 32, "提示"

Else
Dim MMs As String * 5
MMs = "DPB="""
Put #1, CMGs, MMs

MsgBox "对文件特殊加密成功......", 32, "提示"
End If
Close #1

End Function