在asp中我們經常會需要對一些數據進行排序，那么你知道asp下常用的排序算法有哪些嗎？我們又該如何運用它們，那么今天就讓小編為大家詳細介紹一下吧。

<%

Dim aData
aData = Array(3,2,4,1,6,0)

Call ResponseArray(aData, "原來順序")
Call ResponseArray(SelectSort(aData), "選擇排序")
Call ResponseArray(QuickSort(aData), "快速排序")
Call ResponseArray(InsertSort(aData), "插入排序")
Call ResponseArray(BubbleSort(aData), "冒泡排序")


'選擇排序
Function SelectSort(a_Data)
Dim i, j, k
Dim bound, t
bound = UBound(a_Data)

For i = 0 To bound-1
k = i
For j = i+1 To bound
If a_Data(k) > a_Data(j) Then
k = j
End If
Next
t = a_Data(i)
a_Data(i) = a_Data(k)
a_Data(k) = t
Next

SelectSort = a_Data
End Function


'快速排序
Function QuickSort(a_Data)
Dim i, j
Dim bound, t
bound = UBound(a_Data)

For i = 0 To bound-1
For j = i+1 To bound
If a_Data(i) > a_Data(j) Then
t = a_Data(i)
a_Data(i) = a_Data(j)
a_Data(j) = t
End If
Next
Next

QuickSort = a_Data
End Function


'冒泡排序
Function BubbleSort(a_Data)
Dim bound
bound = UBound(a_Data)
Dim bSorted, i, t
bSorted = False

Do While bound > 0 And bSorted = False

bSorted = True
For i = 0 To bound-1
If a_Data(i) > a_Data(i+1) Then
t = a_Data(i)
a_Data(i) = a_Data(i+1)
a_Data(i+1) = t
bSorted = False
End If
Next
bound = bound - 1
Loop

BubbleSort = a_Data
End Function


'插入排序
Function InsertSort(a_Data)
Dim bound
bound = UBound(a_Data)
Dim i, j, t

For i = 1 To bound
t = a_Data(i)
j = i
Do While t<a_Data(j-1) And j>0
a_Data(j) = a_Data(j-1)
j = j - 1
Loop
a_Data(j) = t
Next

InsertSort = a_Data
End Function

'輸出數組
Sub ResponseArray(a_Data, str)
Dim s
s = ""
Response.Write "<b>" & str & "：</b>"
For i = 0 To UBound(a_Data)
s = s & a_Data(i) & ","
Next
s = Left(s, Len(s)-1)
Response.Write s
Response.Write "<hr>"
End Sub
%>

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