POI对Excel单元格进行颜色设置
学习了:http://www.myexception.cn/program/1932587.html
HSSFWorkbook workbook = new HSSFWorkbook(); HSSFCellStyle style = workbook.createCellStyle(); style.setFillForegroundColor(HSSFColor.LIME.index); style.setFillBackgroundColor(HSSFColor.GREEN.index); style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); // 要有这一句