獲取列物件 grid.getHeaderAtIndex(columnIndex)；

獲取類的dataIndex,text

var fieldName = grid.getHeaderAtIndex(columnIndex-2).dataIndex;
var fieldText = grid.getHeaderAtIndex(columnIndex-2).text;

<span style="font-size:18px;">rotaGrid = Ext.create('Ext.ux.grid.MergeCellPanel', {
   		   id:'rotaGrid',
           title:'值班表明細',
           margin:'3',
           region:'center',
           border:true,
		   columnLines: true,
		   loadMask: true,
		   viewConfig: {
               mergeColumns: 'signinConfigName'
           },
           plugins: [
                Ext.create('Ext.grid.plugin.CellEditing', {
                    clicksToEdit: 1
                })
           ],
		   store:tempstore,
           //store: Ext.data.StoreManager.lookup('simpsonsStore'),
           columns: [],
           listeners: {
               cellclick: function (grid, view, columnIndex, record, opt) {
            	   	var fieldName = grid.getHeaderAtIndex(columnIndex-2).dataIndex;
            	   	var fieldText = grid.getHeaderAtIndex(columnIndex-2).text;
            	   //console.log(record.get(fieldName));
                   	var val = record.get(fieldName);
                   	var fieldVal = Ext.getCmp('month').getValue() + "-" + fieldText;
                	var dt1 = new Date(fieldVal);
           			var dt2 = new Date();
           			var value2 = Ext.Date.format(dt2,'Y-m-d');
           			value1 = Date.parse(dt1); //Date.parse的處理很關鍵  
                    value2 = Date.parse(dt2);
                    if(value1 > value2){
                    	/* // 已經編輯的 可以繼續編輯
                        if(val == true || val == false){
                     	   setReValue(record, val, fieldName);
                        } */
                    	setReValue(record, val, fieldName);
           			}
               }
           }
       });</span>