Extjs treeGrid 本地数据 例子

先给大家看看效果：

 
html中引入如下：
<link rel="stylesheet" type="text/css"
	href="static/extjs/css/ext-all.css" />
	 <link rel="stylesheet" type="text/css" href="static/extjs/ux/treegrid.css" rel="stylesheet" />
<link rel="stylesheet" type="text/css" href="static/extjs/css/icon.css" />
<script type="text/javascript" src="static/extjs/js/ext-base.js"></script>
<script type="text/javascript" src="static/extjs/js/ext-all.js"></script>

<script type="text/javascript" src="static/extjs/ux/TreeGridSorter.js"></script>
<script type="text/javascript" src="static/extjs/ux/TreeGridColumnResizer.js"></script>
<script type="text/javascript" src="static/extjs/ux/TreeGridNodeUI.js"></script>
<script type="text/javascript" src="static/extjs/ux/TreeGridLoader.js"></script>
<script type="text/javascript" src="static/extjs/ux/TreeGridColumns.js"></script>
<script type="text/javascript" src="static/extjs/ux/TreeGrid.js"></script>

<script type="text/javascript" >
 var data=[{
    task:'Project: Shopping',
    duration:13.25,
    user:'Tommy Maintz',
    iconCls:'task-folder',
    expanded: true,
    children:[{
        task:'Housewares',
        duration:1.25,
        user:'Tommy Maintz',
        iconCls:'task-folder',
        children:[{
            task:'Kitchen supplies',
            duration:0.25,
            user:'Tommy Maintz',
            leaf:true,
            iconCls:'task'
        },{
            task:'Groceries',
            duration:.4,
            user:'Tommy Maintz',
            leaf:true,
            iconCls:'task'
        },{
            task:'Cleaning supplies',
            duration:.4,
            user:'Tommy Maintz',
            leaf:true,
            iconCls:'task'
        },{
            task: 'Office supplies',
            duration: .2,
            user: 'Tommy Maintz',
            leaf: true,
            iconCls: 'task'
        }]
    }, {
        task:'Remodeling',
        duration:12,
        user:'Tommy Maintz',
        iconCls:'task-folder',
        expanded: true,
        children:[{
            task:'Retile kitchen',
            duration:6.5,
            user:'Tommy Maintz',
            leaf:true,
            iconCls:'task'
        },{
            task:'Paint bedroom',
            duration: 2.75,
            user:'Tommy Maintz',
            iconCls:'task-folder',
            children: [{
                task: 'Ceiling',
                duration: 1.25,
                user: 'Tommy Maintz',
                iconCls: 'task',
                leaf: true
            }, {
                task: 'Walls',
                duration: 1.5,
                user: 'Tommy Maintz',
                iconCls: 'task',
                leaf: true
            }]
        },{
            task:'Decorate living room',
            duration:2.75,
            user:'Tommy Maintz',
            leaf:true,
            iconCls:'task'
        },{
            task: 'Fix lights',
            duration: .75,
            user: 'Tommy Maintz',
            leaf: true,
            iconCls: 'task'
        }, {
            task: 'Reattach screen door',
            duration: 2,
            user: 'Tommy Maintz',
            leaf: true,
            iconCls: 'task'
        }]
    }]
},{
    task:'Project: Testing',
    duration:2,
    user:'Core Team',
    iconCls:'task-folder',
    children:[{
        task: 'Mac OSX',
        duration: 0.75,
        user: 'Tommy Maintz',
        iconCls: 'task-folder',
        children: [{
            task: 'FireFox',
            duration: 0.25,
            user: 'Tommy Maintz',
            iconCls: 'task',
            leaf: true
        }, {
            task: 'Safari',
            duration: 0.25,
            user: 'Tommy Maintz',
            iconCls: 'task',
            leaf: true
        }, {
            task: 'Chrome',
            duration: 0.25,
            user: 'Tommy Maintz',
            iconCls: 'task',
            leaf: true
        }]
    },{
        task: 'Windows',
        duration: 3.75,
        user: 'Darrell Meyer',
        iconCls: 'task-folder',
        children: [{
            task: 'FireFox',
            duration: 0.25,
            user: 'Darrell Meyer',
            iconCls: 'task',
            leaf: true
        }, {
            task: 'Safari',
            duration: 0.25,
            user: 'Darrell Meyer',
            iconCls: 'task',
            leaf: true
        }, {
            task: 'Chrome',
            duration: 0.25,
            user: 'Darrell Meyer',
            iconCls: 'task',
            leaf: true
        },{
            task: 'Internet Exploder',
            duration: 3,
            user: 'Darrell Meyer',
            iconCls: 'task',
            leaf: true
        }]
    },{
        task: 'Linux',
        duration: 0.5,
        user: 'Aaron Conran',
        iconCls: 'task',
        children: [{
            task: 'FireFox',
            duration: 0.25,
            user: 'Aaron Conran',
            iconCls: 'task',
            leaf: true
        }, {
            task: 'Chrome',
            duration: 0.25,
            user: 'Aaron Conran',
            iconCls: 'task',
            leaf: true
        }]
    }]
}];
 Ext.onReady(function() {
    Ext.QuickTips.init();

    var tree = new Ext.ux.tree.TreeGrid({
        title: 'Core Team Projects',
        width: 500,
        height: 300,
        renderTo: Ext.getBody(),
        enableDD: true,

        columns:[{
            header: 'Task',
            dataIndex: 'task',
            width: 230
        },{
            header: 'Duration',
            width: 100,
            dataIndex: 'duration',
            align: 'center',
            sortType: 'asFloat',
            tpl: new Ext.XTemplate('{duration:this.formatHours}', {
                formatHours: function(v) {
                    if(v < 1) {
                        return Math.round(v * 60) + ' mins';
                    } else if (Math.floor(v) !== v) {
                        var min = v - Math.floor(v);
                        return Math.floor(v) + 'h ' + Math.round(min * 60) + 'm';
                    } else {
                        return v + ' hour' + (v === 1 ? '' : 's');
                    }
                }
            })
        },{
            header: 'Assigned To',
            width: 150,
            dataIndex: 'user'
        }]

    });
		var root = new Ext.tree.TreeNode({ 
            text: '根节点', 
            expanded: true 
        }); 
	tree.setRootNode(root); 
	var nodes = {}; 
	nodes.children =data;/*TreeGrid的json数据[{……},{……}]*/ 
	appendChild(root, nodes); 
});


function appendChild(node, o) { 
    if (o.children != null && o.children.length > 0) { 
        for (var a = 0; a < o.children.length; a++) { 
            var n = new Ext.tree.TreeNode({ 
                task:o.children[a].task, 
                duration:o.children[a].duration, 
                user:o.children[a].user, 
                iconCls:o.children[a].iconCls 
            }); 
        	node.appendChild(n); 
        	appendChild(n, o.children[a]); 
        } 
    } 
} 

</script>

 这样就能跑起来了。我把例子传到附件了。可以直接跑