celldblclick: function (view, td, cellIndex, record, tr, rowIndex, e, eOpts) { //extjs 4.2下,有时出现,多次不连续双击某一个单元格时,取到的cellIndex不正确,解决办法如下: cellIndex = td.cellIndex; var columns = view.componentLayout.headerCt.columnManager.columns; //console.log(columns