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  • VBA清除Excelpassword保护,2003/2007/2010均适用

    Sub Macro1()
    '
    ' Breaks worksheet and workbook structure passwords. Jason S
    
    ' probably originator of base code algorithm modified for coverage
    
    ' of workbook structure / windows passwords and for multiple passwords
    
    ' Jason S http://jsbi.blogspot.com
    
    ' 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" & "Jason S http://jsbi.blogspot.com"
    
    Const HEADER As String = "AllInternalPasswords User Message"
    
    Const VERSION As String = DBLSPACE & "Version 1.0 8 Sep 2008"
    
    Const REPBACK As String = DBLSPACE & "Please report failure to jasonblr@gmail.com "
    
    Const ALLCLEAR As String = DBLSPACE & "The workbook should be cleared"
    
    Const MSGNOPWORDS1 As String = "There were no passwords on " & AUTHORS & VERSION
    
    Const MSGNOPWORDS2 As String = "There was no protection to " & "workbook structure or windows." & DBLSPACE
    
    
    Const MSGTAKETIME As String = "After pressing OK button this " & "will take some time." & DBLSPACE & "Amount of time " & "depends on how many different passwords, the "
    
    
    
    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
    

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  • 原文地址:https://www.cnblogs.com/mengfanrong/p/5229027.html
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