XSSFCellStyle intervalColorAmt = (XSSFCellStyle) buildDefaultContentCellStyle(workbook);
intervalColorAmt.setAlignment(HorizontalAlignment.RIGHT);
intervalColorAmt.setFillForegroundColor(new XSSFColor(new java.awt.Color(239, 248, 254), new DefaultIndexedColorMap())); // 颜色#eff8fe
intervalColorAmt.setFillPattern(FillPatternType.SOLID_FOREGROUND);
intervalColorAmt.setDataFormat(HSSFDataFormat.getBuiltinFormat("#,##0.00"));
cellStyleMap.put("intervalColorAmt", intervalColorAmt);