我不能修改数据x的格式，请教后面的extjs表格应该怎么些？
貌似是因为我不懂jason的缘故。


<script>
/*
* Ext JS Library 2.3.0
* Copyright(c) 2006-2009, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/

Ext.onReady(function(){

var x = [
{"users":{"id":"1","name":"bud","email":"bud@huoyan.com","username":"bud","passwd":"6539f4370fd54db03043ae6eea13c0e8","created":"2010-07-23 15:24:36"}},
{"users":{"id":"2","name":"bud","email":"dfd@gmail.com","username":"yy","passwd":"8fad04b57fa978a161274d0b7c3df108","created":"2010-07-23 15:29:34"}}
];

    // create the data store
    var store = new Ext.data.SimpleStore({
        fields: [
           {name: 'users.id'},
           {name: 'users.name', },
           {name: 'users.email', },
           {name: 'users.username', },
           {name: 'users.password', },
           {name: 'users.created' },
        ]
    });
    store.loadData(x);

    // create the Grid
    var grid = new Ext.grid.GridPanel({
        store: store,
        columns: [
            {id:'users.id',header: "id", width: 160, sortable: true, dataIndex: 'users.id'},
            {header: "name", width: 75, sortable: true, dataIndex: 'users.name'},
            {header: "email", width: 75, sortable: true, dataIndex: 'users.email'},
            {header: "username", width: 75, sortable: true, dataIndex: 'users.username'},
            {header: "password", width: 85, sortable: true, dataIndex: 'users.password'},
            {header: "created", width: 85, sortable: true, dataIndex: 'users.created'}
        ],
        stripeRows: true,
        autoExpandColumn: 'users.id',
        height:350,
        width:600,
        title:'Array Grid'
    });

    grid.render('grid-example');
});
</script>
<div id="grid-example"></div>
--
FROM 124.126.202.*