运行下面这段VBA代码即可!
Sub DeletePW()
ActiveSheet.Protect DrawingObjects:=True, Contents:=True, AllowFiltering:=True
ActiveSheet.Protect DrawingObjects:=False, Contents:=True, AllowFiltering:=True
ActiveSheet.Protect DrawingObjects:=True, Contents:=True, AllowFiltering:=True
ActiveSheet.Protect DrawingObjects:=False, Contents:=True, AllowFiltering:=True
ActiveSheet.Unprotect
End Sub