ext grid 单元格

 listeners : {
		 
		 cellclick : function(grid_togetherCriminal, rowIndex, colIndex,e) {
			if (colIndex > 0) {
				var rec = grid_togetherCriminal.store.getAt(rowIndex);
				var fieldName = grid_togetherCriminal.getColumnModel().getDataIndex(colIndex);
		        var data = rec.get(fieldName);

				alert(data);
				
			}
		}