/*** 如果达到50000条数据则重新创建工作表的逻辑*/@Overridepublic void exportExcel(List<HolidayItemForm> formList, ServletOutputStream outputStream){try {//工作表名后面的数字，如表1，表2int i = 0;//记录总行数int rownum = 0;//记录每个sheet的行数int tempnum = 0;//分页条数达到此条数则创建工作表int page = 5;//创建工作薄HSSFWorkbook workbook = new HSSFWorkbook();//创建列标题栏样式HSSFCellStyle cellStyle = ExcelUtils.createCellStyle(workbook, (short)10);while(true){//创建工作表并应用上面的样式HSSFSheet sheet = ExcelUtils.createWorkbook(workbook,cellStyle,++i);rownum++;//将数据库中的数据列表写入excel中if(formList != null){tempnum = 0;for (int j=rownum-i; j<formList.size(); j++) {//进入第2个sheet写出的行数从第2条数据开始(++tempnum等于1，因为标题行占了1行)HSSFRow row2 = sheet.createRow(++tempnum);rownum++;row2.createCell(0).setCellValue(formList.get(j).getUserId());row2.createCell(1).setCellValue(formList.get(j).getUserName());row2.createCell(2).setCellValue(formList.get(j).getDeptName());row2.createCell(3).setCellValue(formList.get(j).getUserJob());row2.createCell(4).setCellValue(formList.get(j).getTypeName());row2.createCell(5).setCellValue(formList.get(j).getBeginDate());row2.createCell(6).setCellValue(formList.get(j).getEndDate());row2.createCell(7).setCellValue(formList.get(j).getHolidayHour());row2.createCell(8).setCellValue(formList.get(j).getCreateDate());//达到5条退出并创建另外一个sheetif(rownum%page == 0){break;}}}//如果记录的行数等于集合的总行数则退出if((rownum-i) == formList.size()){break;}}//输出
            workbook.write(outputStream);workbook.close();} catch (IOException e) {e.printStackTrace();}}