Demo of EXTJS tree includes AsyncTreeNode to load data

Source: Internet
Author: User

<Link href = "ext-3.1.1/resources/css/ext-all.css" rel = "Stylesheet"/>
<Script type = "text/javascript" src = "ext-3.1.1/adapter/ext/ext-base.js"> </script>
<Script type = "text/javascript" src = "ext-3.1.1/ext-all.js"> </script>
<Script type = "text/javascript">
Ext. onReady (function (){

/* Simple directory
Var root = new Ext. tree. TreeNode ({id: "root", text: "heel node"}); // create a directory
Var node1 = new Ext. tree. TreeNode ({id: "node1", text: "Node 1"}); // create a subnode
Var node2 = new Ext. tree. TreeNode ({id: "node2", text: "Node 2"}); // create a subnode
Var node3 = new Ext. tree. TreeNode ({id: "node3", text: "Node 3 "});
Root. appendChild (node1 );
Root. appendChild (node2 );
Root. appendChild (node3 );

Var treePanel = new Ext. tree. TreePanel (
Root: root,
Width: 300,
RenderTo: "tree"


Var root = new Ext. tree. AsyncTreeNode ({id: "root", text: "With node"}); // you must use AsyncTreeNode together with loader to create an AsyncTreeNode.
Var tree = new Ext. tree. TreePanel ({
Width: 300,
RenderTo: "tree ",
Root: root,
Title: "asynchronously loading data ",
Loader: new Ext. tree. TreeLoader ({dataUrl: "treeList. aspx "})//





<Div id = "tree"> </div>


Pay special attention to the data format of treelist. aspx:

[{Id: "node1", text: "Node 1", leaf: true}, {id: "node2", text: "Node 2", leaf: true }, {id: "node3", text: "Node 3", leaf: true}]

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