extjs tree 的问题，求帮助

x-code-man 2012-03-07 03:41:19

html 代码

<html>

<head>

    <title>Extjs 布局</title>

    <!--引用Extjs4.0类库开始-->

    <script type="text/javascript" charset="gb-2312" src="../extjs/bootstrap.js"></script>

    <link href="../extjs/resources/css/ext-all.css" rel="Stylesheet" />

    <!--引用Extjs4.0类库结束-->

</head>

<script type="text/javascript">

    Ext.require([

    'Ext.tree.*',

    'Ext.data.*',

    'Ext.tip.*'

    ]);



     Ext.QuickTips.init();



       Ext.onReady(function () {

            var store = Ext.create('Ext.data.TreeStore', {

                proxy: {

                    type: 'ajax',

                    url: 'json_tree_dept.aspx',

                    root:'items'

                },

                root: {

                    text: '部门',

                    id: 'root',

                    expanded: true

                },

                folderSort: true,

                sorters: [{

                    property: 'text',

                    direction: 'ASC'

                }]

            });



            var tree = Ext.create('Ext.tree.Panel', {

                id: 'tree',

                store: store,

                width: 250,

                height: 300,

                viewConfig: {

                    plugins: {

                        ptype: 'treeviewdragdrop',

                        appendOnly: true

                    }

                },

                renderTo: document.body

            });

        });

</script>

<body>

</body>

</html>

服务器传回来的json是：
{success:true,items:[
{children:[
{text:'轩辕春秋集团',id:'9',href:'www.baidu.com',hrefTarget:'main',leaf:false,children:[
{text:'江西轩辕春秋',id:'2',href:'www.baidu.com',hrefTarget:'main',leaf:false,children:[
{text:'总经办',id:'8',href:'www.baidu.com',hrefTarget:'main',leaf:true}
]},
{text:'江西春秋实业',id:'3',href:'www.baidu.com',hrefTarget:'main',leaf:true},
{text:'湖南春秋',id:'11',href:'www.baidu.com',hrefTarget:'main',leaf:true},
{text:'湖南轩辕春秋',id:'13',href:'www.baidu.com',hrefTarget:'main',leaf:true}
]}
]}
]}

没有效果。

会的帮帮我啊

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