[问题求助] VBS解开Excel工作表密码求助

If WScript.Arguments.Count <> 1 Then
    MsgBox "参数异常"
    WScript.Quit()
End If
strPath = WScript.Arguments(0)

Set oExcel = CreateObject("Excel.Application")
Set oWorkBook = oExcel.Workbooks.Open(strPath)
For Each oSheet In oWorkBook.Sheets
    RemoveShProtect oSheet
Next
oWorkBook.Close False    '关闭文件
Set oWorkBook = Nothing
oExcel.Quit()

Sub RemoveShProtect(mywst)
    Dim i1, i2, i3, i4, i5, i6, i7, i8, i9, i10, i11, i12, t
    On Error Resume Next
    If mywst.ProtectContents = False Then
        MsgBox mywst.Name & "该工作表没有保护密码!"
        Exit Sub
    End If
    t = Timer()
    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 i7 = 65 To 66 : For i8 = 65 To 66 : For i9 = 65 To 66
    For i10 = 65 To 66 : For i11 = 65 To 66 : For i12 = 32 To 126
        mywst.Unprotect Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(i7) & Chr(i8) & Chr(i9) & Chr(i10) & Chr(i11) & Chr(i12)
        If mywst.ProtectContents = False Then
            MsgBox "解除工作表保护!用时" & Format(Timer() - t, "0.00") & "秒"
            Exit Sub
        End If
    Next : Next : Next : Next : Next : Next : Next : Next : Next : Next : Next : Next
End Sub
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If WScript.Arguments.Count <> 1 Then
    MsgBox "参数异常"
    WScript.Quit()
End If
strPath = WScript.Arguments(0)
Set oExcel = CreateObject("Excel.Application")
Set oWorkBook = oExcel.Workbooks.Open(strPath)
For Each oSheet In oWorkBook.Sheets
 If oSheet.ProtectContents = False Then
        MsgBox oSheet.Name & "该工作表没有保护密码!"
        Exit for
  End If
    t = Timer
On Error Resume Next
    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 i7 = 65 To 66: For i8 = 65 To 66: For i9 = 65 To 66
                For i10 = 65 To 66: For i11 = 65 To 66: For i12 = 32 To 126
                    oSheet.Unprotect Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(i7) & Chr(i8) & Chr(i9) & Chr(i10) & Chr(i11) & Chr(i12)
                    If oSheet.ProtectContents = False Then
                        MsgBox "解除工作表保护!用时" & Format(Timer - t, "0.00") & "秒"
                        Exit for
                    End If
                    Next: Next: Next: Next: Next: Next
                    Next: Next: Next: Next: Next: Next
Next
oWorkBook.Close true
Set oWorkBook = Nothing
oExcel.Quit
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