tabPanel tabbar添加按钮

	this.tabPanel = Ext.create('Ext.tab.Panel', {

        tabBar:{

			items:[{

				//组件靠右

			    xtype: 'tbfill'

			},

			//添加button 或者其他组件

			{

				html:"<div class ='x-tool-img x-tool-close'></div>",

				cls:'my-btn',

				closable: false,

				handler:function(btn,e){

			      //do something

			    }

			}]

		},

	    items: [{

	        title: 'Mygrid',

	        xtype:'myGrid'

	    }, {

	        title: 'My Panel',

	        xtype:'myPanel'

	    }]

	});

}