ExtJs4.1:设置panel的背景图片

Ext.define('MyApp.view.MyViewport_1', {    extend: 'Ext.container.Viewport',    layout: {        type: 'border'    },    initComponent: function() {        var me = this;        Ext.applyIf(me, {            items: [                {                    xtype: 'panel',                    region: 'center',                    layout: {                        type: 'absolute'                    },//设置背景图片                    bodyStyle: {//background: '#ffc',background: 'url(http://localhost/T0115/app/view/1.jpg) no-repeat #00FFFF',padding: '10px'},                    title: 'My Panel'                }            ]        });        me.callParent(arguments);    }});