'清除工作表密码
Public Sub ClearPasswords()
'说明
Const HEADER As String = "All InternalPasswords User Message"
Const VERSION As String = "Version 0.1"
Const REPBACK As String = "Failure "
Const ALLCLEAR As String = "The workbook should " & _
"now be free of all password protection, so make sure you: SAVE IT NOW!"
Const MSGNOPWORDS1 As String = "There were no passwords on " & _
"sheets, or workbook structure or windows." & VERSION
Const MSGNOPWORDS2 As String = "There was no protection to " & _
"workbook structure or windows."
Const MSGTAKETIME As String = "After pressing OK button this " & _
"will take some time."
Const MSGPWORDFOUND1 As String = "You had a Worksheet " & _
"Structure or Windows Password set."
Const MSGPWORDFOUND2 As String = "You had a Worksheet " & _
"password set."
Const MSGONLYONE As String = "Only structure / windows " & _
"protected with the password that was just found."
Dim w1 As Worksheet, w2 As Worksheet
Dim i As Integer, j As Integer, k As Integer, l As Integer
Dim m As Integer, n As Integer, i1 As Integer, i2 As Integer
Dim i3 As Integer, i4 As Integer, i5 As Integer, i6 As Integer
Dim PWord1 As String
Dim ShTag As Boolean, WinTag As Boolean
Dim ps1 As String
Application.ScreenUpdating = False
With ActiveWorkbook
WinTag = .ProtectStructure Or .ProtectWindows
End With
ShTag = False
For Each w1 In Worksheets
ShTag = ShTag Or w1.ProtectContents
Next w1
If Not ShTag And Not WinTag Then
MsgBox MSGNOPWORDS1, vbInformation, HEADER
Exit Sub
End If
MsgBox MSGTAKETIME, vbInformation, HEADER
If Not WinTag Then
MsgBox MSGNOPWORDS2, vbInformation, HEADER
Else
On Error Resume Next
Do 'dummy do loop
For i = 65 To 66
For j = 65 To 66
For k = 65 To 66
For l = 65 To 66
For m = 65 To 66
For i1 = 65 To 66
For i2 = 65 To 66
For i3 = 65 To 66
For i4 = 65 To 66
For i5 = 65 To 66:
For i6 = 65 To 66:
For n = 32 To 126
With ActiveWorkbook
ps1 = Chr(i) & Chr(j) & Chr(k) & _
Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & _
Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
.UnProtect ps1
If .ProtectStructure = False And .ProtectWindows = False Then
PWord1 = ps1
MsgBox Application.Substitute(MSGPWORDFOUND1, _
"$$", PWord1), vbInformation, HEADER
Exit Do 'Bypass all for...nexts
End If
End With
Next n
Next i6
Next i5
Next i4
Next i3
Next i2
Next i1
Next m
Next l
Next k
Next j
Next i
Loop Until True
On Error GoTo 0
End If
If WinTag And Not ShTag Then
MsgBox MSGONLYONE, vbInformation, HEADER
Exit Sub
End If
On Error Resume Next
For Each w1 In Worksheets
'Attempt clearance with PWord1
w1.UnProtect PWord1
Next w1
On Error GoTo 0
ShTag = False
For Each w1 In Worksheets
'Checks for all clear ShTag triggered to 1 if not.
ShTag = ShTag Or w1.ProtectContents
Next w1
If ShTag Then
For Each w1 In Worksheets
With w1
If .ProtectContents Then
On Error Resume Next
Do 'Dummy do loop
For i = 65 To 66
For j = 65 To 66
For k = 65 To 66
For l = 65 To 66
For m = 65 To 66
For i1 = 65 To 66
For i2 = 65 To 66
For i3 = 65 To 66
For i4 = 65 To 66
For i5 = 65 To 66:
For i6 = 65 To 66:
For n = 32 To 126
.UnProtect Chr(i) & Chr(j) & Chr(k) & _
Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
If Not .ProtectContents Then
PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & _
Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
MsgBox Application.Substitute(MSGPWORDFOUND2, _
"$$", PWord1), vbInformation, HEADER
'leverage finding Pword by trying on other sheets
For Each w2 In Worksheets
w2.UnProtect PWord1
Next w2
Exit Do 'Bypass all for...nexts
End If
Next n
Next i6
Next i5
Next i4
Next i3
Next i2
Next i1
Next m
Next l
Next k
Next j
Next i
Loop Until True
On Error GoTo 0
End If
End With
Next w1
End If
MsgBox ALLCLEAR & VERSION & REPBACK, vbInformation, HEADER
End Sub要解除工作表保护有个更简洁的方法
Sub UnProtect()
Sheet1.Protect AllowFiltering:=True
Sheet1.UnProtect
End Sub
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