請教如統計EXCEL中相同的行？解决方案

請教如統計EXCEL中相同的行？
如下
AA BB CC 25
AA CC BB 15
AA BB DD 24
BB CC AA 14
BB AA DD 25
BB CC FF 25
如果第一列和第二列相同，則第四列相加
轉成如下“
AA BB 49
AA CC 15
BB CC 39
BB AA 25
實現方法是SHEET1中放上一個按扭，把需要的結果轉存到SHEET2或另存也可以！

[解决办法]
最简单的方法就是直接使用数据透视表。

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[解决办法]

VB code

'VBA CODESub a()  Dim i As Long, L As Long, n As Long, m() As Long, x As Long  L = Sheet1.Cells.SpecialCells(xlLastCell).Row  ReDim m(L)  For i = 1 To L      x = Sheet1.Cells(i, 4)      For j = i + 1 To Sheet1.Cells.SpecialCells(xlLastCell).Row          If Sheet1.Cells(i, 1) = Sheet1.Cells(j, 1) And _             Sheet1.Cells(i, 2) = Sheet1.Cells(j, 2) And _             m(j) <> 1 Then                x = x + Sheet1.Cells(j, 4)                m(j) = 1          End If      Next      If m(i) <> 1 Then        'n = n + Sheet2.Cells.SpecialCells(xlLastCell).Row + 1        n = n + 1        Sheet2.Cells(n, 1) = Sheet1.Cells(i, 1)        Sheet2.Cells(n, 2) = Sheet1.Cells(i, 2)        Sheet2.Cells(n, 3) = x      End If  Next  End Sub