vba不重復(fù)隨機(jī)數(shù)案例一：
下面的代碼，將在A1：A5000單元格產(chǎn)生1-5000的不重復(fù)隨機(jī)整數(shù)。
Private Sub vba不重復(fù)隨機(jī)數(shù)()
Dim Arr1(1 To 5000) As BooLEAN
Dim Arr2(1 To 5000, 0) As Integer
t = Timer
[A:A] = Empty
For i = 1 To 5000
num = Int(5000 * Rnd + 1)
Do While Arr1(num)
num = Int(5000 * Rnd + 1)
Loop
Arr1(num) = True
Arr2(i, 0) = num
Next i
[A1:A5000] = Arr2
End Sub
vba不重復(fù)隨機(jī)數(shù)案例二：
在A1:A100中產(chǎn)生1-100的不重復(fù)隨機(jī)整數(shù)，代碼如下：
Sub vba不重復(fù)隨機(jī)數(shù)()
Dim TempArr1(99) As Integer, TempArr2(0 To 99, 1 To 1) As Integer
Dim RndNumber As Integer, i As Integer
Randomize (Timer) '初始化隨機(jī)數(shù)生成器
For i = 0 To 99 '產(chǎn)生包含1－100的不重復(fù)的隨機(jī)數(shù)列
TempArr1(i) = i
Next i
For i = 99 To 0 Step -1
RndNumber = Int(i * Rnd)
TempArr2(99 - i, 1) = TempArr1(RndNumber) + 1
TempArr1(RndNumber) = TempArr1(i)
Next i
'在A1:A100中輸入這些數(shù)字
Range("a1:a100").Value = TempArr2
End Sub
vba不重復(fù)隨機(jī)數(shù)案例三：
在A1：A10單元格產(chǎn)生10個0-100的隨機(jī)整數(shù)，以下是代碼：
Sub vba不重復(fù)隨機(jī)數(shù)()
Dim i As Long
i = 100
Dim num As Long
ReDim arr(i) As Long
ReDim Arr2(i, 0) As Long
Dim x As Long
For x = 0 To i
arr(x) = x
Next x
For x = 0 To i
num = Int(Rnd() * (i - x))
Arr2(x, 0) = arr(num)
arr(num) = arr(i - x)
Next x
Range("A1:A10") = Arr2
End Sub
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本文標(biāo)題：三個vba生成不重復(fù)隨機(jī)整數(shù)的案例
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