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VBA数组的升序、降序

Admin | 2012-3-19 10:41:12 | ReadNums | 6317 | 标签 六合开奖结果现场直播 | 打印本页
     

  以下的两种数组排序,仅针对数值型的数据方能排序。

  ①升序排序的VBA数组

  Function UP(x()) As Variant()
  Dim i As Integer, j As Integer, a, d()
  ReDim sx(LBound(x) To UBound(x)), d(LBound(x) To UBound(x))
  d = x
  If LBound(x) = UBound(x) Then
         sx = d
         Exit Function
  End If
  For i = LBound(x) To UBound(x) - 1
         For j = i + 1 To UBound(x)
           If d(j) < d(i) Then
              a = d(j): d(j) = d(i): d(i) = a
           End If
         Next
  Next
  sx = d
  End Function

  ②VBA数组的降序排序

  Function Down(x()) As Variant()
  Dim i As Integer, j As Integer, a, d()
  ReDim sx(LBound(x) To UBound(x)), d(LBound(x) To UBound(x))
  d = x
  If LBound(x) = UBound(x) Then
         sx = d
         Exit Function
  End If
  For i = LBound(x) To UBound(x) - 1
         For j = i + 1 To UBound(x)
           If d(j) > d(i) Then
              a = d(j): d(j) = d(i): d(i) = a
           End If
         Next
  Next
  sx = d
  End Function

  ③针对中文字符的数组排序

  如果你想针对字符数组进行排序,可参考如下的代码

  Sub Start() Dim arr() As Variant arr = Array("大", "众", "计", "算", "机", "学", "习", "网")

  QuickSort2 arr(), 0, UBound(arr) Dim s As String For I = 1 To UBound(arr) s = s & arr(I) & " | " Next MsgBox s

  End Sub Sub QuickSort2(MyArray() As Variant, L, R) Dim tp tp = 1

  Dim I, J, X, Y I = L J = R X = MyArray((L + R) / 2) While (I <= J) While (StrComp(MyArray(I), X, tp) < 0 And I < R) I = I + 1 Wend While (StrComp(X, MyArray(J), tp) < 0 And J > L) J = J - 1 Wend If (I <= J) Then Y = MyArray(I) MyArray(I) = MyArray(J) MyArray(J) = Y I = I + 1 J = J - 1 End If gIterations = gIterations + 1 Wend

  If (L < J) Then Call QuickSort2(MyArray(), L, J) If (I < R) Then Call QuickSort2(MyArray(), I, R)

  End Sub


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