extjs panel动态添加button

   function add()
        {
        
        var grid;
        var form;
        Ext.ComponentQuery.query('employeeInfoFrame #e_frame_gridlist')[0].add(Ext.create('PDYuneHR.view.personnelManage.employee.EmployeeAllScheduleInfoPanel'));
        grid=Ext.ComponentQuery.query('employeeInfoFrame #e_frame_gridlist')[0].down('form');
        for(var j=0;j<3;j++){
          form=Ext.widget('form',{border: false,width:2000});
        for(var i=1;i<10;i++){
        var btn=Ext.widget('button',{text:'学历子集',action:'fuck',name:'fuck',icon: 'images/search.png',margin:'padding:10px 10px 10px 10px;'});
 
         
        form.add(btn);
       
       }
       grid.add(form);
       }
        grid.doLayout();
        
        };