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根据另一个单元格中的条件将正数值单元格输入更改为同一单元格中的负数值

[英]Changing a positive numeric cell input into a negative numeric value in the same cell based on criteria in another cell

我想通过引用另一个单元格范围中的条件将一个范围内的正值单元格输入更改为负值。 因此,例如单元格范围 A1:A10 包含值“B”或“S”。 单元格区域 B1:B10 是输入数值的位置。 根据已在相应单元格 A1:A10 中输入的数据,输入这些值时将其设为正值或负值。 因此,在 B1 中输入任何值(无论是正值还是负值)为 1234 或 -1234,其中 A1 的值为“B”将导致 B1 显示 -1234。 相反,如果在单元格 B1:B10 中输入任何正值或负值,并且 A 列中相应行的值为“S”,则 B 列中的值将始终为正值,无论原始输入是负值还是正值。

如果 A1:A10 范围内的特定单元格中没有值对应于 B 列中的同一行,则应向用户显示一条消息,说“请在 A 列的相应行中输入一个值。

我是 VBA 编码的完全新手,到目前为止,我正在查看其他帖子已经拼凑了以下代码,但我不知道如何完成它才能成功工作。

任何帮助将不胜感激。

Option Explicit
Private Sub Worksheet_Change(ByVal Target As Range)
    Dim A1 As Range
    Set A1 = Range("A1:A10")
    Dim A2 As Range
    Set A2 = Range("B1:B10")
    If Intersect(Target, A2) Is Nothing Then Exit Sub
    If IsText(Target, A1) Then
        If A1 = "S" Then
        Application.EnableEvents = False
            B1 = -B1
        Application.EnableEvents = True
    End If
End Sub

这应该是您需要的:

For循环允许您一次更改多个B列值。
如果 A 列值既不是“B”也不是“S”,则不采取任何措施。

Private Sub Worksheet_Change(ByVal Target As Range)
    Dim B As Range, Intersection As Range, cell As Range
    Dim v As String
    Set B = Range("B1:B10")
    Set Intersection = Intersect(Target, B)

    If Intersection Is Nothing Then Exit Sub

    Application.EnableEvents = False
        For Each cell In Intersection
            v = cell.Offset(0, -1).Value
            If v = "B" Then
                cell.Value = -Abs(cell.Value)
            ElseIf v = "S" Then
                cell.Value = Abs(cell.Value)
            End If
        Next cell
    Application.EnableEvents = True
End Sub

就地工作表更改

  • 将整个代码复制到工作表模块(例如Sheet1 )中。
  • 代码会自动执行所有操作,此处无需运行任何内容。
  • function “获取”从FirstRow中的单元格开始到最后一个非空单元格的列范围。
  • 该代码会根据A列中的值自动修改B列中输入的值。

编码

Option Explicit

Private Sub Worksheet_Change(ByVal Target As Range)
    Const Proc As String = "Worksheet_Change"
    On Error GoTo cleanError

    Const FirstRow As Long = 1
    Dim Criteria As Variant: Criteria = Array("S", "B", "")
    Dim Cols As Variant: Cols = Array(1, 2) ' or Array("A", "B")

    Dim rngS As Range: Set rngS = getColumnRange(Me, Cols(1), FirstRow)
    If rngS Is Nothing Then Exit Sub
    Dim rngT As Range: Set rngT = Intersect(Target, rngS)
    If rngT Is Nothing Then Exit Sub
    Dim ColOffset As Long
    ColOffset = Columns(Cols(0)).Column - Columns(Cols(1)).Column

    Application.EnableEvents = False
    Dim cel As Range
    For Each cel In rngT.Cells
        Select Case cel.offset(, ColOffset).Value
            Case Criteria(0): cel.Value = Abs(cel.Value)
            Case Criteria(1): cel.Value = -Abs(cel.Value)
            Case Criteria(2): cel.Value = "Please enter a value into cell '" _
              & cel.offset(, ColOffset).Address(0, 0) & "'."
            Case Else ' Maybe the same as the previous!?
        End Select
    Next

CleanExit:
    Application.EnableEvents = True

Exit Sub

cleanError:
    MsgBox "An unexpected error occurred in '" & Proc & "'." & vbCr _
       & "Run-time error '" & Err.Number & "':" & vbCr _
       & Err.Description, vbCritical, Proc & " Error"
    On Error GoTo 0
    GoTo CleanExit

End Sub

Function getColumnRange(Sheet As Worksheet, _
                        ByVal AnyColumn As Variant, _
                        Optional ByVal FirstRow As Long = 1) _
         As Range
    Dim rng As Range
    Set rng = Sheet.Columns(AnyColumn).Find("*", , xlValues, , , xlPrevious)
    If rng Is Nothing Then Exit Function
    If rng.Row < FirstRow Then Exit Function
    Set getColumnRange = Sheet.Range(Sheet.Cells(FirstRow, AnyColumn), rng)
End Function

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