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VBA - UDF以不同方式处理数组

VBA-UDF 以不同方式处理数组的示例

在 VBA 和 UDF(用户定义函数)中,你可以使用不同的方法处理数组,包括使用循环、数组公式、多维度数组和嵌套数组。以下是一些处理数组的示例。

1. 使用循环处理数组

代码语言:vba
复制
Sub ProcessArray()
    Dim arr(1 To 5) As Integer
    Dim i As Integer
    
    For i = 1 To 5
        arr(i) = i * 2
    Next i
    
    Debug.Print "Processed Array: " & arr
End Sub

2. 使用数组公式处理数组

代码语言:vba
复制
Sub FormulaArray()
    Dim arr(1 To 5) As Double
    Dim i As Integer
    
    arr(1) = 2
    arr(2) = 4
    arr(3) = 6
    arr(4) = 8
    arr(5) = 10
    
    For i = 1 To 5
        arr(i) = arr(i) * (i + 1)
    Next i
    
    Debug.Print "Processed Array: " & arr
End Sub

3. 使用多维度数组处理数组

代码语言:vba
复制
Sub MultiDimensionalArray()
    Dim arr(1 To 3, 1 To 4) As Integer
    Dim i As Integer, j As Integer
    
    arr(1, 1) = 1
    arr(1, 2) = 2
    arr(1, 3) = 3
    arr(1, 4) = 4
    
    arr(2, 1) = 5
    arr(2, 2) = 6
    arr(2, 3) = 7
    arr(2, 4) = 8
    
    arr(3, 1) = 9
    arr(3, 2) = 10
    arr(3, 3) = 11
    arr(3, 4) = 12
    
    For i = 1 To 3
        For j = 1 To 4
            arr(i, j) = arr(i, j) * (i + j)
        Next j
    Next i
    
    Debug.Print "Processed Array: " & arr
End Sub

4. 使用嵌套数组处理数组

代码语言:vba
复制
Sub NestedArray()
    Dim arr(1 To 3) As Integer
    Dim innerArr(1 To 3) As Integer
    
    arr(1) = 1
    arr(2) = 2
    arr(3) = 3
    
    innerArr(1) = 4
    innerArr(2) = 5
    innerArr(3) = 6
    
    For i = 0 To 2
        For j = 0 To 2
            arr(i + j) = arr(i) * innerArr(j)
        Next j
    Next i
    
    Debug.Print "Processed Array: " & arr
End Sub

5. 使用用户自定义函数处理数组(UDF)

代码语言:vba
复制
Function ArrayMultiplication(arr As Variant) As Double
    Dim i As Integer
    Dim result As Double
    
    For i = LBound(arr) To UBound(arr)
        result = result + arr(i) * (i + 1)
    Next i
    
    ArrayMultiplication = result
End Function

Sub ArrayMultiplicationExample()
    Dim arr(1 To 5) As Integer
    Dim i As Integer
    
    arr(1) = 1
    arr(2) = 2
    arr(3) = 3
    arr(4) = 4
    arr(5) = 5
    
    For i = 1 To 5
        arr(i) = arr(i) * (i + 1)
    Next i
    
    Debug.Print "Processed Array: " & arr
    
    Dim result As Double
    result = ArrayMultiplication(arr)
    Debug.Print "Result: " & result
End Sub

以上示例展示了如何使用 VBA 和 UDF 按不同方式处理数组。从这些示例中,你可以根据特定需求选择适当的方法。

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