JavaWeb 利用poi导出下拉框excel模版

 private HSSFWorkbook workbook = null;   private HSSFCellStyle titleStyle = null;   private HSSFCellStyle dataStyle = null;  /** * 列头样式 * @param workbook * @param sheet */  public void setTitleCellStyles(HSSFWorkbook workbook,HSSFSheet sheet){  titleStyle = workbook.createCellStyle();  //设置边框  titleStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);  titleStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);  titleStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);  titleStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);  //设置背景色  titleStyle.setFillForegroundColor(HSSFColor.WHITE.index);  titleStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);  //设置居中  titleStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);  //设置字体  HSSFFont font = workbook.createFont();  font.setFontName("宋体");  font.setFontHeightInPoints((short) 11); //设置字体大小  font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);//粗体显示  titleStyle.setFont(font);//选择需要用到的字体格式  //设置自动换行  titleStyle.setWrapText(true);  //设置列宽 ,第一个参数代表列id(从0开始),第2个参数代表宽度值  sheet.setColumnWidth(0, 5000);   sheet.setColumnWidth(1, 5000);   sheet.setColumnWidth(2, 3000);   sheet.setColumnWidth(3, 7000);   sheet.setColumnWidth(4, 5000);   sheet.setColumnWidth(5, 5000);   sheet.setColumnWidth(6, 3000);   sheet.setColumnWidth(7, 3000);   sheet.setColumnWidth(8, 5000);   sheet.setColumnWidth(9, 5000);   sheet.setColumnWidth(10, 3000);   sheet.setColumnWidth(11, 3000);   sheet.setColumnWidth(12, 3000);   sheet.setColumnWidth(13, 3000);   sheet.setColumnWidth(14, 7000);   sheet.setColumnWidth(15, 7000);   sheet.setColumnWidth(16, 7000);   sheet.setColumnWidth(17, 7000);   sheet.setColumnWidth(18, 10000);   }  /** * 数据样式 * @param workbook * @param sheet */  public void setDataCellStyles(HSSFWorkbook workbook,HSSFSheet sheet){  dataStyle = workbook.createCellStyle();  //设置边框  dataStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);  dataStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);  dataStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);  dataStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);  //设置背景色  dataStyle.setFillForegroundColor(HSSFColor.WHITE.index);  dataStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);  //设置居中  dataStyle.setAlignment(HSSFCellStyle.ALIGN_LEFT);  //设置字体  HSSFFont font = workbook.createFont();  font.setFontName("宋体");  font.setFontHeightInPoints((short) 11); //设置字体大小  dataStyle.setFont(font);//选择需要用到的字体格式  //设置自动换行  dataStyle.setWrapText(true);  }  /** * 创建一列数据 * @param currentRow * @param textList */  public void creatRow(HSSFRow currentRow,List<String> textList){  if(textList!=null&&textList.size()>0){  int i = 0;  for(String cellValue : textList){  HSSFCell userNameLableCell = currentRow.createCell(i++);  userNameLableCell.setCellValue(cellValue);  }  }  }  /** * 创建一列应用列头 * @param userinfosheet1 * @param userName */  public void creatAppRowHead(HSSFSheet userinfosheet1,int naturalRowIndex){  HSSFRow row = userinfosheet1.createRow(naturalRowIndex-1);  //0.所属分类HSSFCell Cell1 = row.createCell(0);  Cell1.setCellValue("所属分类");  Cell1.setCellStyle(titleStyle);  //1.分类名称HSSFCell Cell2 = row.createCell(1);  Cell2.setCellValue("分类名称");  Cell2.setCellStyle(titleStyle);  //2.资产类型  HSSFCell Cell3 = row.createCell(2);  Cell3.setCellValue("资产类型");  Cell3.setCellStyle(titleStyle);  //3.设备用途HSSFCell Cell4 = row.createCell(3);  Cell4.setCellValue("设备用途");  Cell4.setCellStyle(titleStyle);  //4.品牌  HSSFCell Cell5 = row.createCell(4);  Cell5.setCellValue("品牌");  Cell5.setCellStyle(titleStyle);  //5.型号 HSSFCell Cell6 = row.createCell(5);  Cell6.setCellValue("型号");  Cell6.setCellStyle(titleStyle);  //6.数量 HSSFCell Cell7 = row.createCell(6);  Cell7.setCellValue("数量");  Cell7.setCellStyle(titleStyle);  //7.计量单位   台、套、个 HSSFCell Cell8 = row.createCell(7);  Cell8.setCellValue("计量单位");  Cell8.setCellStyle(titleStyle);  //8.购入原值 HSSFCell Cell9 = row.createCell(8);  Cell9.setCellValue("购入原值");  Cell9.setCellStyle(titleStyle);  //9.购入时间HSSFCell Cell10 = row.createCell(9);  Cell10.setCellValue("购入时间");  Cell10.setCellStyle(titleStyle);  //10.现存状态  闲置、在用 HSSFCell Cell11 = row.createCell(10);  Cell11.setCellValue("现存状态");  Cell11.setCellStyle(titleStyle);  //11.仓库状态  在库、离库 HSSFCell Cell12 = row.createCell(11);  Cell12.setCellValue("仓库状态");  Cell12.setCellStyle(titleStyle);  //12.资产属性  完好、损坏 HSSFCell Cell13 = row.createCell(12);  Cell13.setCellValue("资产属性");  Cell13.setCellStyle(titleStyle);  //13.报废属性  正常、报废HSSFCell Cell14 = row.createCell(13);  Cell14.setCellValue("报废属性");  Cell14.setCellStyle(titleStyle);  //14.保管人 HSSFCell Cell15 = row.createCell(14);  Cell15.setCellValue("保管人");  Cell15.setCellStyle(titleStyle);  //15.资金来源HSSFCell Cell16 = row.createCell(15);  Cell16.setCellValue("资金来源");  Cell16.setCellStyle(titleStyle);  //16.供应商HSSFCell Cell17 = row.createCell(16);  Cell17.setCellValue("供应商");  Cell17.setCellStyle(titleStyle);  //17.供应商电话HSSFCell Cell18 = row.createCell(17);  Cell18.setCellValue("供应商电话");  Cell18.setCellStyle(titleStyle);  //18.备注说明HSSFCell Cell19 = row.createCell(18);  Cell19.setCellValue("备注说明");  Cell19.setCellStyle(titleStyle);  }  /** * 创建一列应用数据 * @param userinfosheet1 * @param userName */  public void creatAppRow(HSSFSheet userinfosheet1,String titels,int naturalRowIndex){  //在第一行第一个单元格，插入下拉框  HSSFRow row = userinfosheet1.createRow(naturalRowIndex-1);//所属分类String [] list1={"办公计算设备","网络交换设备","安全防御设备","办公打印设备","复印扫描设备","监控预警设备","影音传输设备","存储备份设备","机房运维设备","办公软件","工具软件","专业软件","系统软件","其他软件"}; //分类名称String [] list2={"台式电脑","便携式电脑","平板电脑","智能终端","服务器","其他办公计算设备","交换机","路由器","中继设备","负载均衡","其他交换设备","防火墙","防毒墙","邮件网关","入侵防御","数据库审计","其他安全防御设备","上网行为管理","VPN","针式打印机","激光式打印机","喷墨式打印机","一体机(打印、复印、传值)","票据打印机","其他办公打印设备","一体机","复印机","扫描仪","传真机","新风空调设备","UPS电源"}; //资产类型String [] list3={"主设备","介质","配件"};//计量单位String [] list4={"台","套","个"}; //现存状态String [] list5={"闲置","在用"}; //仓库状态String [] list6={"在库","离库"}; //资产属性String [] list7={"完好","损坏"}; //报废属性String [] list8={"正常","报废"}; //0.所属分类HSSFCell cell1 = row.createCell(0);  cell1.setCellValue("请选择");  cell1.setCellStyle(dataStyle);  //1.分类名称HSSFCell cell2 = row.createCell(1);  cell2.setCellValue("请选择");  cell2.setCellStyle(dataStyle);  //2.资产类型   HSSFCell cell3 = row.createCell(2);  cell3.setCellValue("请选择");  cell3.setCellStyle(dataStyle);  //3.设备用途HSSFCell cell4 = row.createCell(3);  cell4.setCellValue(titels);  cell4.setCellStyle(dataStyle);  //4.品牌HSSFCell cell5 = row.createCell(4);  cell5.setCellValue(titels);  cell5.setCellStyle(dataStyle);  //5.型号HSSFCell cell6 = row.createCell(5);  cell6.setCellValue(titels);  cell6.setCellStyle(dataStyle);  //6.数量HSSFCell cell7 = row.createCell(6);  cell7.setCellValue(titels);  cell7.setCellStyle(dataStyle);  //7.计量单位HSSFCell cell8 = row.createCell(7);  cell8.setCellValue("请选择");  cell8.setCellStyle(dataStyle);  //8.购入原值HSSFCell cell9 = row.createCell(8);  cell9.setCellValue(titels);  cell9.setCellStyle(dataStyle);  //9.购入时间HSSFCell cell10 = row.createCell(9);  cell10.setCellValue(new SimpleDateFormat("yyyy-MM-dd").format(new Date()).toString());  cell10.setCellStyle(dataStyle);  //10.现存状态HSSFCell cell11 = row.createCell(10);  cell11.setCellValue("请选择");  cell11.setCellStyle(dataStyle);  //11.仓库状态HSSFCell cell12 = row.createCell(11);  cell12.setCellValue("请选择");  cell12.setCellStyle(dataStyle);  //12.资产属性HSSFCell cell13 = row.createCell(12);  cell13.setCellValue("请选择");  cell13.setCellStyle(dataStyle);  //13.报废属性HSSFCell cell14 = row.createCell(13);  cell14.setCellValue("请选择");  cell14.setCellStyle(dataStyle);  //14.保管人HSSFCell cell15 = row.createCell(14);  cell15.setCellValue(titels);  cell15.setCellStyle(dataStyle);  //15.资金来源HSSFCell cell16 = row.createCell(15);  cell16.setCellValue(titels);  cell16.setCellStyle(dataStyle);  //16.供应商HSSFCell cell17 = row.createCell(16);  cell17.setCellValue(titels);  cell17.setCellStyle(dataStyle);  //17.供应商电话HSSFCell cell18 = row.createCell(17);  cell18.setCellValue(titels);  cell18.setCellStyle(dataStyle);  //18.备注说明HSSFCell cell19 = row.createCell(18);  cell19.setCellValue(titels);  cell19.setCellStyle(dataStyle);  //得到验证对象    DataValidation data_validation_list = this.getDataValidationByFormula(list1,naturalRowIndex,1); //从1开始下拉框处于第几列  //工作表添加验证数据    userinfosheet1.addValidationData(data_validation_list);DataValidation data_validation_list2 = this.getDataValidationByFormula(list2,naturalRowIndex,2);  //工作表添加验证数据    userinfosheet1.addValidationData(data_validation_list2);DataValidation data_validation_list3 = this.getDataValidationByFormula(list3,naturalRowIndex,3);  //工作表添加验证数据    userinfosheet1.addValidationData(data_validation_list3);DataValidation data_validation_list8 = this.getDataValidationByFormula(list4,naturalRowIndex,8);  //工作表添加验证数据    userinfosheet1.addValidationData(data_validation_list8);  DataValidation data_validation_list11 = this.getDataValidationByFormula(list5,naturalRowIndex,11);  //工作表添加验证数据    userinfosheet1.addValidationData(data_validation_list11); DataValidation data_validation_list12 = this.getDataValidationByFormula(list6,naturalRowIndex,12);  //工作表添加验证数据    userinfosheet1.addValidationData(data_validation_list12); DataValidation data_validation_list13 = this.getDataValidationByFormula(list7,naturalRowIndex,13);  //工作表添加验证数据    userinfosheet1.addValidationData(data_validation_list13);DataValidation data_validation_list14 = this.getDataValidationByFormula(list8,naturalRowIndex,14);  //工作表添加验证数据    userinfosheet1.addValidationData(data_validation_list14);  }  /** * 使用已定义的数据源方式设置一个数据验证 * @param formulaString * @param naturalRowIndex * @param naturalColumnIndex * @return */  public DataValidation getDataValidationByFormula(String[] formulaString,int naturalRowIndex,int naturalColumnIndex){  //加载下拉列表内容    DVConstraint constraint = DVConstraint.createExplicitListConstraint(formulaString);   //设置数据有效性加载在哪个单元格上。    //四个参数分别是：起始行、终止行、起始列、终止列    int firstRow = naturalRowIndex-1;  int lastRow = naturalRowIndex-1;  int firstCol = naturalColumnIndex-1;  int lastCol = naturalColumnIndex-1;  CellRangeAddressList regions=new CellRangeAddressList(firstRow,lastRow,firstCol,lastCol);    //数据有效性对象   DataValidation data_validation_list = new HSSFDataValidation(regions,constraint);  return data_validation_list;    }  /** * 生成导出下拉框excel * @param outPathStr 输出路径 */  public HSSFWorkbook ExportComboxExcel (HSSFWorkbook workbook) {  try {
//            workbook = new HSSFWorkbook();//excel文件对象    HSSFSheet sheet1 = workbook.createSheet("sheet1");//工作表对象  //设置列头样式  this.setTitleCellStyles(workbook,sheet1);  //设置数据样式  this.setDataCellStyles(workbook,sheet1);  //创建一行列头数据  this.creatAppRowHead(sheet1,1);  //创建一行数据  for (int i = 2; i < 11; i++) {  this.creatAppRow(sheet1, "",i);  }  System.out.println("导出成功!");  } catch (Exception e) {  e.printStackTrace();  }return workbook;}
--------------------------------------------------------------------
action/*** 导出台帐登记表(模版).xls* @author fangke* @throws IOException */public String ExprotExcelTemp() throws IOException{HSSFWorkbook wb = null;ExportComboxExcel ecbe = null;
try
{
//Excel模板路径//重设头信息
ServletOutputStream out = response.getOutputStream();response.reset();response.setContentType("application/vnd.ms-excel;charset=utf-8");response.setHeader("Content-Disposition", "attachment;filename="+ new String(("台帐入库登记表(模版)" + ".xls").getBytes(), "iso-8859-1"));wb = new HSSFWorkbook();
ecbe = new ExportComboxExcel();
wb=ecbe.ExportComboxExcel(wb);
wb.write(out);
//刷新输出流out.flush();//关闭输出流if(out!=null){out.close();}
} catch (FileNotFoundException e) {  e.printStackTrace();  } return null;}

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