从数据库中取出数据表，导入并生成excel

@RequestMapping("/numericalStatement1")public void createExcel(HttpServletResponse resp) throws Exception{try {String path = "G:/test.xlsx";// 创建新的Excel 工作簿XSSFWorkbook workbook = new XSSFWorkbook();// 在Excel工作簿中建一工作表，其名为缺省值// 如要新建一名为"用户表"的工作表，其语句为：XSSFSheet sheet = workbook.createSheet("成绩表");// 在索引0的位置创建行（最顶端的行）XSSFRow row = sheet.createRow((short) 0);//在索引0的位置创建单元格（左上端）XSSFCell cell = row.createCell((short) 0);//创建单元格样式CellStyle cellStyle = workbook.createCellStyle();// 设置这些样式
          cellStyle.setFillForegroundColor(HSSFColor.SKY_BLUE.index);cellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 定义单元格为字符串类型
          cell.setCellType(HSSFCell.CELL_TYPE_STRING);// 在单元格中输入一些内容cell = row.createCell((short) 0);cell.setCellValue("成绩编号");cell.setCellStyle(cellStyle);cell = row.createCell((short) 1);cell.setCellValue("组织架构参数表编号");cell.setCellStyle(cellStyle);cell = row.createCell((short) 2);cell.setCellValue("试卷编号");cell.setCellStyle(cellStyle);cell = row.createCell((short) 3);cell.setCellValue("客观题成绩");cell.setCellStyle(cellStyle);cell = row.createCell((short) 4);cell.setCellValue("主观题成绩");cell.setCellStyle(cellStyle);cell = row.createCell((short) 5);cell.setCellValue("总成绩");cell.setCellStyle(cellStyle);//查询数据库中所有的数据
//          ResultMapper mapper = getMapper(ResultMapper.class);
//          VtUserCriteria cri = new VtUserCriteria();
//          cri.createCriteria().andUserEnabledEqualTo(1);
        List<Result> list = resultService.selectAllResult();/*//第一个sheet第一行为标题XSSFRow rowFirst = sheet.createRow(0);rowFirst.setHeightInPoints(21.75f);*/for (int i = 0; i < list.size(); i++) {row = sheet.createRow((int) i + 1);Result stu = (Result) list.get(i);// 第四步，创建单元格，并设置值row.createCell((short) 0).setCellValue(stu.getId());row.createCell((short) 1).setCellValue(stu.getParaorgleadershipsId());row.createCell((short) 2).setCellValue(stu.getPaperId());row.createCell((short) 3).setCellValue(stu.getObjResult());row.createCell((short) 4).setCellValue(stu.getSubResult());row.createCell((short) 5).setCellValue(stu.getTotalResult());sheet.autoSizeColumn((short) 0); //调整第一列宽度（自适应），只识别数字、字母sheet.autoSizeColumn((short) 1); //调整第二列宽度//调整第三列宽度,有中文，先判断这一列的最长字符串//  int length = stu.getPaperId().getBytes().length;//   sheet.setColumnWidth((short)2,(short)(length*2*256));sheet.autoSizeColumn((short) 2); //调整第三列宽度sheet.autoSizeColumn((short) 3); //调整第四列宽度sheet.autoSizeColumn((short) 4); //调整第五列宽度sheet.autoSizeColumn((short) 5); //调整第六列宽度/*Font font = workbook.createFont();font.setFontHeightInPoints((short)18); //字体大小sheet.setDefaultRowHeightInPoints(21.75f);font.setFontName("楷体");font.setBoldweight(Font.BOLDWEIGHT_BOLD); //粗体font.setColor(HSSFColor.GREEN.index);    //绿字- 字体颜色*/}// 新建一输出文件流FileOutputStream fOut = new FileOutputStream(path);// 把相应的Excel 工作簿存盘
          workbook.write(fOut);//清空缓冲区数据
          fOut.flush();// 操作结束，关闭文件
          fOut.close();System.out.println("文件生成...");} catch (Exception e) {System.out.println("已运行 xlCreate() : " + e);}}