Extjs中 TabPane如何内嵌其他网页

 var tabPanel = new Ext.TabPanel({
	    activeTab: 0,   
	    region:'center',   
	    layoutOnTabChange : false,
	    deferredRender: true,   
	    items:[
	   
	    {
	        title: '百度',   
	        layout: 'fit',
	        height: 375,    
	        id: 'training_grief_rep_tab_4',   
	        border: false,
	        deferredRender: false,
	        //items : new TrainingBriefSummaryItem({sunmmaryId: tariningId}),
	        autoScroll : true,
	        html:' '
	    }
	    ]   
    });

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Ext.ns("ShouRuReportMgr");
ShouRuReportMgr = Ext.extend(Ext.Panel, {
	searchPanel: null,
	gridPanel: null,
	store: null,
	topbar: null,
	constructor: function(a) {
		Ext.applyIf(this, a);
		ShouRuReportMgr.superclass.constructor.call(this, {
			id: "ShouRuReportMgr",
			iconCls: "menu-appraise-pay",
			title: "中心月度报表-收入",
			deferredRender: true,
			html: ' '
		});
	}
});