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Asp+sql How to do the directory tree implementation (infinite pole)

Source: Internet
Author: User
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Getobjectbyid ("Timeshow"). InnerHTML = "Load This page is time-consuming" + (new Date (). GetTime ()-t1) + "milliseconds";
}
</SCRIPT>

<body>
<form method= "Get" style= "PADDING:3; Background-color: #B8D1F8; Margin-bottom:0 ">
<fieldset>
<legend> Input tree node parameter information </legend>
Total number of nodes in the tree: <input name= "sum" size= ' 8 ' maxlength= ' 8 ' value= "1024" >
Number of child nodes per node: <input name= "ChildNodes" size= ' 3 ' maxlength= ' 3 ' value= ' >
<input type= "Submit" value= "OK" >
</fieldset>
</form>
<table width= "100%" border=0 cellspacing=3 bgcolor= "#B8D1F8" >
<tr>
&LT;TD Bgcolor=white valign=top>
<div id=treeviewarea style= "Background-color:" ></div>
<script language= "JavaScript" >
<!--
var tree = new Mztreeview ("Tree");
Tree.seticonpath ("./");
tree.nodes[' 0_1 '] = ' Text: Node 1 ';
tree.nodes[' 1_2 '] = ' Text: Node 2 ';
tree.nodes[' 1_3 '] = ' Text: Node 3 ';
tree.nodes[' 1_4 '] = ' Text: node 4 ';
tree.nodes[' 1_5 '] = ' Text: node 5 ';
tree.nodes[' 1_6 '] = ' Text: node 6 ';
tree.nodes[' 1_7 '] = ' Text: node 7 ';
tree.nodes[' 1_8 '] = ' Text: node 8 ';
tree.nodes[' 1_9 '] = ' Text: node 9 ';
tree.nodes[' 1_10 '] = ' Text: node 10 ';
var tot = getquery ("Total"); tot =!tot | | isNaN (TOT)? 1024:tot;
var CNS = getquery ("ChildNodes"); CNS =!cns | | isNaN (CNS)? 10:cns;
With (Document.forms[0])
{
Total.value = tot;
childnodes.value = CNS;
}
for (i=11; i<tot; i++)
Tree.nodes[math.floor (Math.random () * (TOT/CNS)) +2 + "_" + i] = ' Text: node ' + i;



document.getElementById (' Treeviewarea '). InnerHTML = Tree.tostring ();



if (typeof (Function.prototype.apply)!= "Function")
{
Function.prototype.apply = function (obj, Argu) {var s; if (obj) {obj.constructor.prototype._caller=this; s = "Obj._caller ";} else S = "this"; var a=[]; for (var i=0 i<argu.length; i++) a[i] = "argu[" + i + "]"; Return eval (S + "(" + A.join (",") + ");");
Function.prototype.call = function (obj) {var a=[]; for (var i=1; i<arguments.length; i++) a[i-1]=arguments[i]; His.apply (obj, a);};
}
Tree.buildnode = function (ID)
{
var d = new Date (). GetTime ();

MzTreeView.prototype.buildNode.call (this, id);

try{
Getobjectbyid ("Timenode"). InnerHTML = "<u><b>" + This.node[id].text + "</b></u> have" +
This.node[id].childnodes.length + "Child node <br> load time consuming:" + (New Date (). GetTime ()-D) + milliseconds! ";
}catch (e) {}
}
Tree.expandall = function ()
{
var d = new Date (). GetTime ();
MzTreeView.prototype.expandAll.call (this);
Alert ("Expand All time =" + (new Date (). GetTime ()-D) +
Milliseconds \ r \ n The total number of valid nodes = "+ (this.index+1));"
}
-->
</SCRIPT>
&LT;/TD&GT;&LT;TD width= "230" valign=top>
<u><a href= "http://www.meizz.com/Web/Article.asp?id=436"target=" _blank > Use instructions </a></u><br>
<u><a href= "Http://www.meizz.com/Web/Download/MzTreeView10.rar"target=" _blank "> Download mztreevew v1.0</a></u><br><br>
Focus on the <input id=focusid size=5> node <input type=button value= "Gather onclick=" Tree.focus (' Getobjectbyid '). Value) "><br>
<input Type=button value= "Parent layer node ←" onclick= "Tree.uppernode ()" ><input Type=button value= "Child layer node →" onClick= " Tree.lowernode () "><br>
<input Type=button value= "Previous node ↑ onclick=" Tree.pervnode () "><input Type=button value=" Next node ↓ "onClick=" Tree.nextnode () "><br>
<input Type=button value= Expand All Nodes onclick= "Tree.expandall ()" ><br>
<br><ul style= "line-height:14pt" >
<li Id=msgnode >1024 a tree of nodes!
<li id= "timeshow" style= "color: #0000D0" > Here you can see how time-consuming each node loads
<li id= "Timenode" >
</ul></td>
</tr>
</table>
</body>

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