VBA去重复典型有两种方法:
① 整数数值型数据,可以直接使用数组下标去重复
② 通用方法:字典去重复
Sub RecSortTest()
arr = Array(5, 4, 2, 1, 5, 8, 7, 2, 7, 9, 3, 6, "22", "23", "221", 22, 23, 221, "a", "z", "c") '测试数组
' arr = WorksheetFunction.Transpose([a1].CurrentRegion) '如果工作表区域要转为一维数组
trr = RecSort(arr) '仅排序(按默认格式)
trr1 = RecSort(arr, 1) '去重复排序(按默认格式)
trr2 = RecSort(arr, 1, 1) '去重复排序 数值不按文本格式
Stop
End Sub
Function RecSort(arr, Optional z& = 0, Optional c& = 0) 'A-Z 升序排序(/可去重复)的自定义过程
Dim i&, j&, k&, l&, n&, u&, t
l = LBound(arr): n = l: u = UBound(arr)
ReDim trr(l To u)
For i = l To u
t = arr(i): If c Then If IsNumeric(t) Then t = Val(t) 'c=1 按数值/c=0 按源数据格式
For j = l To n
If z Then If trr(j) = t Then n = n - 1: Exit For 'z=1 去重复/z=0 保留
If trr(j) > t Then '检查直到比当前值t大位置时停止
For k = n To j + 1 Step -1 '倒序向后移动所有比当前值大的已排序内容 以便腾出空位
trr(k) = trr(k - 1)
Next
trr(k) = t '空位写入t
Exit For
End If
Next
If j > n Then trr(j - 1) = t '如果都没有比当前值大 则在最后新的位置写入t
n = n + 1
Next
If z Then ReDim Preserve trr(l To n - 1)
RecSort = trr
End Function
如果需要降序排序,把比较部分语句中>改成<即可。
If trr(j) > t Then '检查直到比当前值t大位置时停止 结果为A-Z升序排序
If trr(j) < t Then '检查直到比当前值t小位置时停止 结果为Z-A降序排序
字典去重
Sub 矩形3_Click()
i = Range("A65536").End(xlUp).Row
Dim dic As Object, ii&, arr, ra
Set dic = CreateObject("Scripting.Dictionary")
arr = Range("a1:a" & i)
For ii = 1 To UBound(arr)
ra = dic(arr(ii, 1))
Next
Range("a:a").ClearContents
Range("a1").Resize(dic.Count, 1) = Application.Transpose(dic.Keys)
End Sub
Sub 矩形3_Click()
i = Range("A65536").End(xlUp).Row
Dim dic As Object, ii&, arr
Set dic = CreateObject("Scripting.Dictionary")
arr = Range("a1:a" & i)
For ii = 1 To UBound(arr)
dic(arr(ii, 1)) = ii
Next
Range("a:a").ClearContents
Range("a1").Resize(dic.Count, 1) = Application.Transpose(dic.Keys)
End Sub
Sub 矩形4_Click()
Columns(1).RemoveDuplicates 1
End Sub
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http://club.excelhome.net/thread-888978-1-1.html