生成目錄樹結(jié)構(gòu)的類發(fā)布者：本站 時間：2020-05-06 16:05:51
本程序有兩文件test.asp 和tree.asp 還有一些圖標(biāo)文件
1。test.asp 調(diào)用類生成樹 代碼如下
<%@ Language=VBScript %>
<html>
<head>
<link rel="stylesheet" href="tree.css">
<title>tree</title>
</head>
<!-- #include file="tree.asp" -->
<%
''========================================
'' BUILDING A TREE PROGRAMATICALLY
''========================================
'' This approach would be best suited for building
'' dynamic trees using For..Next loops and such.
Set MyTree2 = New Tree
MyTree2.Top = 10
MyTree2.Left = 10
MyTree2.ExpandImage = "plus.gif"
MyTree2.CollapseImage = "minus.gif"
MyTree2.LeafImage = "webpage.gif"
'' Notice the indentation used to reprensent the hierarchy
Set Node1 = MyTree2.CreateChild("script")
Set SubNode1 = Node1.CreateChild("server")
Set secSubNode1 = SubNode1.CreateChild("html")
secSubNode1.CreateChild "<A HREF=""http://127.0.0.1/"">asp</A>"
secSubNode1.CreateChild "<A HREF=""http://127.0.0.1/"">php</A>"
secSubNode1.CreateChild "<A HREF=""http://127.0.0.1/"">jsp</A>"
Set SubNode2 = Node1.CreateChild("os")
SubNode2.CreateChild "<A HREF=""#"">winnt</A>"
SubNode2.CreateChild "<A HREF=""#"">win2000</A>"
Set Node2 = MyTree2.CreateChild("Desktop")
Node2.CreateChild "<A HREF=""#"">Area Code Lookup</A>"
Node2.CreateChild "<A HREF=""#"">Arin Based Whois Search</A>"
Node2.CreateChild "<A HREF=""#"">World Time Zone Map</A>"
MyTree2.Draw()
Set MyTree2 = Nothing
%>
</BODY>
</HTML>
2。tree.asp 類的定義 代碼如下
<%
''******************************************************
'' Author: Jacob Gilley
'' Email: avis7@airmail.net
'' My Terms: You can use this control in anyway you see fit
'' cause I have no means to enforce any guidelines
'' or BS that most developers think they can get
'' you to agree to by spouting out words like
'' "intellectual property" and "The Code Gods".
'' - Viva la Microsoft!
''******************************************************
Dim gblTreeNodeCount:gblTreeNodeCount = 1
Class TreeNode
Public Value
Public ExpandImage
Public CollapseImage
Public LeafImage
Public Expanded
Private mszName
Private mcolChildren
Private mbChildrenInitialized
Public Property Get ChildCount()
ChildCount = mcolChildren.Count
End Property
Private Sub Class_Initialize()
mszName = "node" & CStr(gblTreeNodeCount)
gblTreeNodeCount = gblTreeNodeCount + 1
mbChildrenInitialized = False
Expanded = False
End Sub
Private Sub Class_Terminate()
If mbChildrenInitialized And IsObject(mcolChildren) Then
mcolChildren.RemoveAll()
Set mcolChildren = Nothing
End If
End Sub
Private Sub InitChildList()
Set mcolChildren = Server.CreateObject("Scripting.Dictionary")
mbChildrenInitialized = True
End Sub
Private Sub LoadState()
If Request(mszName) = "1" Or Request("togglenode") = mszName Then
Expanded = True
End If
End Sub
Public Function CreateChild(szValue)
If Not mbChildrenInitialized Then InitChildList()
Set CreateChild = New TreeNode
CreateChild.Value = szValue
CreateChild.ExpandImage = ExpandImage
CreateChild.CollapseImage = CollapseImage
CreateChild.LeafImage = LeafImage
mcolChildren.Add mcolChildren.Count + 1, CreateChild
End Function
Public Sub Draw()
LoadState()
Response.Write "<table border=""0"">" & vbCrLf
Response.Write "<tr><td>" & vbCrLf
If Expanded Then
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