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EXCEL工作表保护密码忘记,撤销保护攻略

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来源:网络(供自己备份留用)


Option Explicit


Public Sub AllInternalPasswords()


' Breaks worksheet and workbook structure passwords. Bob McCormick


' probably originator of base code algorithm modified for coverage


' of workbook structure / windows passwords and for multiple passwords


'


' Norman Harker and JE McGimpsey 27-Dec-2002 (Version 1.1)


' Modified 2003-Apr-04 by JEM: All msgs to constants, and


' eliminate one Exit Sub (Version 1.1.1)


' Reveals hashed passwords NOT original passwords


Const DBLSPACE As String = vbNewLine & vbNewLine


Const AUTHORS As String = DBLSPACE & vbNewLine & "Adapted from Bob McCormick base code by" & "Norman Harker and JE McGimpsey"


Const HEADER As String = "AllInternalPasswords User Message"


Const VERSION As String = DBLSPACE & "Version 1.1.1 2003-Apr-04"


Const REPBACK As String = DBLSPACE & "Please report failure " & "to the microsoft.public.excel.programming newsgroup."


Const ALLCLEAR As String = DBLSPACE & "The workbook should " & "now be free of all password protection, so make sure you:" & DBLSPACE & "SAVE IT NOW!" & DBLSPACE & "and also" & DBLSPACE & "BACKUP!, BACKUP!!, BACKUP!!!" & DBLSPACE & "Also, remember that the password was " & "put there for a reason. Don't stuff up crucial formulas " & "or data." & DBLSPACE & "Access and use of some data " & "may be an offense. If in doubt, don't."


Const MSGNOPWORDS1 As String = "There were no passwords on " & "sheets, or workbook structure or windows." & AUTHORS & VERSION


Const MSGNOPWORDS2 As String = "There was no protection to " & "workbook structure or windows." & DBLSPACE & "Proceeding to unprotect sheets." & AUTHORS & VERSION


Const MSGTAKETIME As String = "After pressing OK button this " & "will take some time." & DBLSPACE & "Amount of time " & "depends on how many different passwords, the " & "passwords, and your computer's specification." & DBLSPACE & "Just be patient! Make me a coffee!" & AUTHORS & VERSION


Const MSGPWORDFOUND1 As String = "You had a Worksheet " & "Structure or Windows Password set." & DBLSPACE & "The password found was: " & DBLSPACE & "$$" & DBLSPACE & "Note it down for potential future use in other workbooks by " & "the same person who set this password." & DBLSPACE & "Now to check and clear other passwords." & AUTHORS & VERSION


Const MSGPWORDFOUND2 As String = "You had a Worksheet " & "password set." & DBLSPACE & "The password found was: " & DBLSPACE & "$$" & DBLSPACE & "Note it down for potential " & "future use in other workbooks by same person who " & "set this password." & DBLSPACE & "Now to check and clear " & "other passwords." & AUTHORS & VERSION


Const MSGONLYONE As String = "Only structure / windows " & "protected with the password that was just found." & ALLCLEAR & AUTHORS & VERSION & REPBACK


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


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


.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 .ProtectStructure = False And .ProtectWindows = False 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(MSGPWORDFOUND1, "$$", PWord1), vbInformation, HEADER


Exit Do 'Bypass all for...nexts


End If


End With


Next: Next: Next: Next: Next: Next


Next: Next: Next: Next: Next: Next


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: Next: Next: Next: Next: Next


Next: Next: Next: Next: Next: Next


Loop Until True


On Error GoTo 0


End If


End With


Next w1


End If


MsgBox ALLCLEAR & AUTHORS & VERSION & REPBACK, vbInformation, HEADER


End Sub

一杯白开水,一口干粮。只要爱人在我身旁,哪怕是荒漠,也会变成天堂。
级别: 高级会员
只看该作者 沙发  发表于: 2016-11-10
工具在于会利用。
一杯白开水,一口干粮。只要爱人在我身旁,哪怕是荒漠,也会变成天堂。
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