{ header:'选择', width:30, renderer: function(value,column, record){ if (record['singlePrjflag'] == '0'){ return "<input type='checkbox' name='renderBox' id="+record['prjSerialnumber']+" />" } } }] var inputAray = Ext.query('input[type=checkbox]'); for(var i=0; i<inputAray.length; i++){ if (inputAray[i].checked){ idsArray.push(inputAray[i].id); } }