excel如何实现下拉框复选

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excel如何实现下拉框复选？

EXCEL选择下拉框实现复选

第一步：新建一个excel且设置数据有效性【选中X列--数据--有效性】

第二步：开发工具--查看代码--把代码复制进去保存就OK了

代码如下：

Private Sub Worksheet_Change(ByVal Target As Range)' Developed by Contextures Inc.' www.contextures.comDim rngDV As RangeDim oldVal As StringDim newVal As StringIf Target.Count > 1 Then GoTo exitHandler On Error Resume NextSet rngDV = Cells.SpecialCells(xlCellTypeAllValidation)On Error GoTo exitHandler If rngDV Is Nothing Then GoTo exitHandler If Intersect(Target, rngDV) Is Nothing Then   'do nothingElse  Application.EnableEvents = False  newVal = Target.Value  Application.Undo  oldVal = Target.Value  Target.Value = newVal  If Target.Column = 7 Then '这里规定好哪一列的数据有效性是多选的，A列是第1列，依次类推，如3就是C列，7就是G列    If oldVal = "" Then      'do nothing      Else      If newVal = "" Then      'do nothing      Else        If InStr(1, oldVal, newVal) <> 0 Then  '重复选择视同删除          If InStr(1, oldVal, newVal) + Len(newVal) - 1 = Len(oldVal) Then '最后一个选项重复Target.Value = Left(oldVal, Len(oldVal) - Len(newVal) - 1)          ElseTarget.Value = Replace(oldVal, newVal & ",", "") '不是最后一个选项重复的时候处理逗号          End If        Else '不是重复选项就视同增加选项        Target.Value = oldVal & "," & newVal'      NOTE: you can use a line break,'      instead of a comma'      Target.Value = oldVal _'        & Chr(10) & newVal        End If      End If    End If  End IfEnd If exitHandler:  Application.EnableEvents = TrueEnd Sub

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