一種方式來獲得的唯一身份從一個多維數組到另一個
(使用2個字典,內部獲取唯一身份證,外部持有他們的字符串)
Option Explicit
Public Sub GetUniquesFromMultiDimArray()
Dim arrData As Variant, arrUniques As Variant, itm As Variant
arrData = Array(Split("0,0,0,a,b,a,c,b,c,d,0,0", ","), _
Split("0,0,0,1,2,1,9,2,9,4,0,0", ","), _
Split("0,0,0,r,g,r,w,g,t,w,0,0", ","))
ShowArray arrData, 1
Dim d1 As Object, d2 As Object, i As Long, j As Long, k As Long
k = 1
'each item in d1 holds a string of uniques
Set d1 = CreateObject("Scripting.Dictionary")
For i = LBound(arrData) To UBound(arrData)
'each item in d2 holds non-zero uniques
Set d2 = CreateObject("Scripting.Dictionary")
For j = LBound(arrData(i)) To UBound(arrData(i))
If arrData(i)(j) <> 0 Then d2(arrData(i)(j)) = vbNullString
Next
For Each itm In d2
d1(k) = d1(k) & itm & "," 'example: "1,2,9,4,"
Next
d1(k) = Left(d1(k), Len(d1(k)) - 1) 'example: "1,2,9,4"
k = k + 1
Next
ReDim arrUniques(1 To d1.Count)
For i = 1 To d1.Count
arrUniques(i) = Split(d1(i), ",") 'example: Array("1","2","9","4")
Next
ShowArray arrUniques, 2
End Sub
Private Sub ShowArray(ByRef arr As Variant, ByVal arrId As Long)
Dim itm1 As Variant, itm2 As Variant, i As Long, j As Long
Debug.Print "Start array " & arrId & " --------"
For i = LBound(arr) To UBound(arr)
For j = LBound(arr(i)) To UBound(arr(i))
Debug.Print "arr(" & i & ")(" & j & ") = " & arr(i)(j)
Next
Next
Debug.Print "End array " & arrId & " --------" & vbCrLf
End Sub
輸出:
Start array 1 --------
arr(0)(0) = 0
arr(0)(1) = 0
arr(0)(2) = 0
arr(0)(3) = a
arr(0)(4) = b
arr(0)(5) = a
arr(0)(6) = c
arr(0)(7) = b
arr(0)(8) = c
arr(0)(9) = d
arr(0)(10) = 0
arr(0)(11) = 0
arr(1)(0) = 0
arr(1)(1) = 0
arr(1)(2) = 0
arr(1)(3) = 1
arr(1)(4) = 2
arr(1)(5) = 1
arr(1)(6) = 9
arr(1)(7) = 2
arr(1)(8) = 9
arr(1)(9) = 4
arr(1)(10) = 0
arr(1)(11) = 0
arr(2)(0) = 0
arr(2)(1) = 0
arr(2)(2) = 0
arr(2)(3) = r
arr(2)(4) = g
arr(2)(5) = r
arr(2)(6) = w
arr(2)(7) = g
arr(2)(8) = t
arr(2)(9) = w
arr(2)(10) = 0
arr(2)(11) = 0
End array 1 --------
Start array 2 --------
arr(1)(0) = a
arr(1)(1) = b
arr(1)(2) = c
arr(1)(3) = d
arr(2)(0) = 1
arr(2)(1) = 2
arr(2)(2) = 9
arr(2)(3) = 4
arr(3)(0) = r
arr(3)(1) = g
arr(3)(2) = w
arr(3)(3) = t
End array 2 --------
(假設重複w
在你的輸出中是一個錯誤,正如評論中提到的那樣)
只需將非零值複製到新數組,即可輕鬆刪除零。您應該查看「如何從VBA中的數組中刪除重複項」。 – Saustin
爲什麼'w'複製在輸出數組中?爲什麼不'r'或者'g'?或者,這就像Excel的刪除重複函數,但轉置數據(即在列而不是行)? – YowE3K