Ext.application({ name:"iteye", launch:function(){ Ext.create("Ext.tab.Panel",{ fullscreen:true, tabBarPosition:'bottom', items:[ { title:'主页', iconCls:'home', html:'Welcome' }, { title:'消息', iconCls:'info', html:'Welcome' }, { title:'用户', iconCls:'user', html:'Welcome' }, { title:'设置', iconCls:'settings', html:'Welcome' }, { title:'更多', iconCls:'more', html:'Welcome' } ] }); } });