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asp下去除数组中重复项的方法

  • 时间:2020-06-05 13:51 编辑: 来源: 阅读:
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摘要:asp下去除数组中重复项的方法
[u]复制代码[/u] 代码如下:
<% Function MoveR(Rstr) Dim i,SpStr SpStr = Split(Rstr,",") For i = 0 To Ubound(Spstr) If I = 0 then MoveR = MoveR & SpStr(i) & "," Else If instr(MoveR,SpStr(i))=0 and i=Ubound(Spstr) Then MoveR = MoveR & SpStr(i) Elseif instr(MoveR,SpStr(i))=0 Then MoveR = MoveR & SpStr(i) & "," End If End If Next End Function response.write MoveR("abc,abc,dge,gcg,dge,gcg,die,dir,die")%>
结果是:abc,dge,gcg,die,dir 如果是两个数组进行对比,去掉相同的数组元素:
[u]复制代码[/u] 代码如下:
<%         Function mover(farray,sarray)         a = Split(farray, ",")             Set dic = CreateObject("Scripting.Dictionary")             For k=0 To UBound(a)              If a(k)<> "" Then dic.Add "_" & a(k), a(k)             Next             a = Split(sarray, ",")             For k=0 To UBound(a)                 If a(k)<> "" Then                     If dic.Exists("_" & a(k)) Then                     dic.Remove "_" & a(k)                     End If                 End If             Next             items = dic.Items()             Set dic = Nothing             moveR=Join(items, ",")         End Function n1 = "a,b,1,11,12,13,14,15,16,17,19,20,22" n2 = "a,1,12,14,18,19,20" response.write mover(n1,n2) %>
结果是: 3.数组A中有为空的元素(如a=array("ww","ss","","dd","","ee")),  想把这些空元素从数组A中去掉.并把去掉空元素有的数组赋给数组B.
[u]复制代码[/u] 代码如下:
 str="" for i = lbound(A) to ubound(A) if A(i)<>"" then if i<>lbound(A) then str = str + "," end if str = str & A(i) end if next b = split(str,",")
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