public override void Render(SheetContext sheetContext, T dataSource)后
Cell cell = sheetContext.GetCell(location) as Cell;
cell.NpoiCell.CellStyle.FillForegroundColor = HSSFColor.Red.Index;
cell.NpoiCell.CellStyle.FillPattern = FillPattern.SolidForeground;
对cell设置底色,但是没设置底色的cell也跟这个设置了底色的cell一样底色了.