ext grid添加2行topbar

bbar: paginToolbar(this.getStore()),
            dockedItems: [{
                xtype: 'toolbar',
                dock: 'top',
                items: me.createSrearchPanel()
            }
            ,
            {
                xtype: 'toolbar',
                //dock: 'top',
                items: {xtype: 'button',margin: '0 0',iconCls:'edit',id:'showoffswitch',text: '隐藏页面统计数据',handler:function(){me.countsShowOff();}}
            }
            ],