extjs TabPanel 监听激活事件

tabs = new Ext.TabPanel({ renderTo: document.body, plain:true, activeTab: 0, id:'tabpanel001', frame:true, width:Ext.getBody().getWidth(), height:Ext.getBody().getHeight()-40, items:[ {layout:'fit',width:1000, title: '统计数据表',items:[grid]}, {contentEl:'pic', title: '统计图',autoScroll:true} ], listeners:{ tabchange:function(tp,p){ if(p.title=='统计数据表'){ autoResize(); } } } });