Excel使用笔记(二):宏之VBA使用

在前面文章中,我们建立了“省市区”三级联动的效果,但是发现一个问题:修改第一级和第二级的目录,后边的层级不会跟随变化,也不会清除数据。

所以采用去处理,这里使用的是vba。

在这里插入图片描述

在这里插入图片描述

将下列代码复制进编辑器,对应的单元格修改,就会触发时间。

//代码中包含三个部分:1、三级列表变化的部分、
///2、计算触发的部分、3、根据前一个单元格的值显示数据的部分

Private Sub Worksheet_Change(ByVal Target As Range)
    Dim Rng As Range
    If Target.Row < 2 Then Exit Sub '修改第一行(标题)不往下执行
    For Each Rng In Target

        '三级列表联动
        If Rng.Column = 1 Then  '修改一级标题
            Rng.Offset(0, 1).ClearContents '清除二级
        End If
        If Rng.Column = 2 Then  '修改二级
            Rng.Offset(0, 1).ClearContents '清除三级
        End If
        
        '计算除法
        If Rng.Column = 6 Then
            If Rng.Value <> 0 Then
             Rng.Offset(0, 2) = Rng.Offset(0, 1) / Rng
             End If
        End If
        If Rng.Column = 7 Then
            If Rng.Offset(0, -1).Value <> 0 Then
             Rng.Offset(0, 1) = Rng / Rng.Offset(0, -1)
             End If
        End If
        If Rng.Column = 8 Then
            If Rng.Offset(0, -2).Value <> 0 Then
             Rng = Rng.Offset(0, -1) / Rng.Offset(0, -2)
             If Rng.Value >= 0.95 Then
                Rng.Offset(0, 1).Value = "是"
                Else
                Rng.Offset(0, 1).Value = "否"
                
             End If
             End If
        End If
        
        '根据数字显示
        If Rng.Column = 9 Then
            If Rng.Offset(0, -1).Value >= 0.95 Then
                Rng.Value = "是"
                Else
                Rng.Value = "否"
             End If
        End If
    Next
End Sub


Excel 三级 联动 下拉框 代码 实例 代码注释 先在第一个下拉框加入一个valiation, 内容是 =$A$2:$A$5 Private Sub Worksheet_Change(ByVal Target As Range) ' Call back function which defined within according worksheet Dim i As Integer Dim tempStr As String Dim firstDrawBoxRowCount As Integer Dim firstDrawBoxColumn As Integer firstDrawBoxRowCount = 4 'Define the row number of first draw box firstDrawBoxColumn = 1 'Define the column number of ifrst draw box Dim secondDrawBoxRowCount As Integer Dim secondDrawBoxColumn As Integer secondDrawBoxRowCount = 33 'Define the row number of second draw box secondDrawBoxColumn = 4 'Define the column number of second draw box If Target.Column = 1 Then 'This defines the first column of draw box list, you can also define the row number of draw box list Cells(Target.Row, Target.Column + 1) = "" ' Do the clean first Cells(Target.Row, Target.Column + 1).Validation.Delete Cells(Target.Row, Target.Column + 2) = "" Cells(Target.Row, Target.Column + 2).Validation.Delete For i = 2 To firstDrawBoxRowCount + 1 'Enter the cycle to find out the content for column 2 If Trim(Cells(Target.Row, Target.Column)) = Trim(Cells(i, firstDrawBoxColumn)) Then tempStr = Trim(Cells(i, firstDrawBoxColumn + 1)) 'Find out the options for second draw box, it is seperated by , Cells(Target.Row, Target.Column + 1).Select ' Fill the validation to second draw box With Selection.Validation .Delete .Add Type:=xlValidateList, AlertStyle:=xlValidAlertStop, Operator:= _ xlBetween, Formula1:=tempStr .IgnoreBlank = True .InCellDropdown = True .InputTitle = "" .ErrorTitle = "" .InputMessage = "" .ErrorMessage = "" .IMEMode = xlIMEModeNoControl .ShowInput = True .ShowError = True
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