excel util；读取模板，动态加载模板
来源：互联网 发布：数据安全工程师 编辑：程序博客网 时间：2024/06/05 17:39
jar
<dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>3.14</version></dependency>
util
package com.ciicsh.gto.settlementcenter.invoiceservice.util;import java.io.*;import java.math.BigDecimal;import java.net.URLEncoder;import java.text.DecimalFormat;import java.text.NumberFormat;import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.Map;import org.apache.poi.hpsf.SummaryInformation;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFCellStyle;import org.apache.poi.hssf.usermodel.HSSFClientAnchor;import org.apache.poi.hssf.usermodel.HSSFComment;import org.apache.poi.hssf.usermodel.HSSFFont;import org.apache.poi.hssf.usermodel.HSSFPatriarch;import org.apache.poi.hssf.usermodel.HSSFRow;import org.apache.poi.hssf.usermodel.HSSFSheet;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.poifs.filesystem.POIFSFileSystem;import org.apache.poi.ss.usermodel.CellStyle;import org.apache.poi.ss.usermodel.DataFormat;import org.apache.poi.ss.usermodel.Font;import org.apache.poi.ss.util.CellRangeAddress;import org.apache.poi.xssf.streaming.SXSSFCell;import org.apache.poi.xssf.streaming.SXSSFRow;import org.apache.poi.xssf.streaming.SXSSFSheet;import org.apache.poi.xssf.streaming.SXSSFWorkbook;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONObject;import org.apache.poi.xssf.usermodel.XSSFCell;import org.apache.poi.xssf.usermodel.XSSFRow;import org.apache.poi.xssf.usermodel.XSSFSheet;import org.apache.poi.xssf.usermodel.XSSFWorkbook;import javax.servlet.ServletOutputStream;import javax.servlet.http.HttpServletResponse;/** * excel util * * @author linhaihai */public class ExcelUtil { /** * 默认日期格式 */ private static final String DEFAULT_DATE_PATTERN = "yyyy年MM月dd日"; private static final int DEFAULT_COLUMN_WIDTH = 17; private static ExcelUtil excelUtil = new ExcelUtil(); private ExcelUtil() { } public static ExcelUtil getExcelUtil() { return excelUtil; } /** * 创建excel */ public void createExcel() { } /** * 导出Excel 97(.xls)格式 ，少量数据 * * @param title 标题行 * @param headMap 属性-列名 * @param jsonArray 数据集 * @param datePattern 日期格式，null则用默认日期格式 * @param colWidth 列宽 默认 至少17个字节 * @param out 输出流 */ public void exportExcel(String title, Map<String, String> headMap, JSONArray jsonArray, String datePattern, int colWidth, OutputStream out) { HSSFWorkbook workbook = null; try{ if (datePattern == null) { datePattern = DEFAULT_DATE_PATTERN; } // 声明一个工作薄 workbook = new HSSFWorkbook(); workbook.createInformationProperties(); workbook.getDocumentSummaryInformation().setCompany("*****公司"); SummaryInformation si = workbook.getSummaryInformation(); //填加xls文件作者信息 si.setAuthor("JACK"); //填加xls文件创建程序信息 si.setApplicationName("导出程序"); //填加xls文件最后保存者信息 si.setLastAuthor("最后保存者信息"); //填加xls文件作者信息 si.setComments("JACK is a programmer!"); //填加xls文件标题信息 si.setTitle("POI导出Excel"); //填加文件主题信息 si.setSubject("POI导出Excel"); si.setCreateDateTime(new Date()); //表头样式 HSSFCellStyle titleStyle = workbook.createCellStyle(); titleStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); HSSFFont titleFont = workbook.createFont(); titleFont.setFontHeightInPoints((short) 20); titleFont.setBoldweight((short) 700); titleStyle.setFont(titleFont); // 列头样式 HSSFCellStyle headerStyle = workbook.createCellStyle(); headerStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); headerStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); headerStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); headerStyle.setBorderRight(HSSFCellStyle.BORDER_THIN); headerStyle.setBorderTop(HSSFCellStyle.BORDER_THIN); headerStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); HSSFFont headerFont = workbook.createFont(); headerFont.setFontHeightInPoints((short) 12); headerFont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); headerStyle.setFont(headerFont); // 单元格样式 HSSFCellStyle cellStyle = workbook.createCellStyle(); 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); cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); HSSFFont cellFont = workbook.createFont(); cellFont.setBoldweight(HSSFFont.BOLDWEIGHT_NORMAL); cellStyle.setFont(cellFont); // 生成一个(带标题)表格 HSSFSheet sheet = workbook.createSheet(); // 声明一个画图的顶级管理器 HSSFPatriarch patriarch = sheet.createDrawingPatriarch(); // 定义注释的大小和位置,详见文档 HSSFComment comment = patriarch.createComment(new HSSFClientAnchor(0, 0, 0, 0, (short) 4, 2, (short) 6, 5)); // 设置注释内容 //comment.setString(new HSSFRichTextString("可以在POI中添加注释！")); // 设置注释作者，当鼠标移动到单元格上是可以在状态栏中看到该内容. //comment.setAuthor("JACK"); //设置列宽,至少字节数 int minBytes = colWidth < DEFAULT_COLUMN_WIDTH ? DEFAULT_COLUMN_WIDTH : colWidth; int[] arrColWidth = new int[headMap.size()]; // 产生表格标题行,以及设置列宽 String[] properties = new String[headMap.size()]; String[] headers = new String[headMap.size()]; int ii = 0; for (String key : headMap.keySet()) { properties[ii] = key; headers[ii] = key; int bytes = key.getBytes().length; arrColWidth[ii] = bytes < minBytes ? minBytes : bytes; sheet.setColumnWidth(ii, arrColWidth[ii] * 256); ii++; } // 遍历集合数据，产生数据行 int rowIndex = 0; for (Object obj : jsonArray) { if (rowIndex == 65535 || rowIndex == 0) { //如果数据超过了，则在第二页显示 if (rowIndex != 0) { sheet = workbook.createSheet(); } //表头 rowIndex=0 HSSFRow titleRow = sheet.createRow(0); titleRow.createCell(0).setCellValue(title); titleRow.getCell(0).setCellStyle(titleStyle); sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, headMap.size() - 1)); //列头 rowIndex =1 HSSFRow headerRow = sheet.createRow(1); for (int i = 0; i < headers.length; i++) { headerRow.createCell(i).setCellValue(headers[i]); headerRow.getCell(i).setCellStyle(headerStyle); } //数据内容从 rowIndex=2开始 rowIndex = 2; } JSONObject jo = (JSONObject) JSONObject.toJSON(obj); HSSFRow dataRow = sheet.createRow(rowIndex); for (int i = 0; i < properties.length; i++) { HSSFCell newCell = dataRow.createCell(i); Object o = jo.get(properties[i]); String cellValue = ""; if (o == null) { cellValue = ""; } else if (o instanceof Date) { cellValue = new SimpleDateFormat(datePattern).format(o); } else { cellValue = o.toString(); } newCell.setCellValue(cellValue); newCell.setCellStyle(cellStyle); } rowIndex++; } // 自动调整宽度 /*for (int i = 0; i < headers.length; i++) { sheet.autoSizeColumn(i); }*/ workbook.write(out); }catch (Exception e){ e.printStackTrace(); }finally { try{ workbook.close(); }catch (Exception e){ e.printStackTrace(); } } } /** * 导出Excel 2007 OOXML (.xlsx)格式 * * @param title 标题行 * @param headMap 属性-列头 * @param jsonArray 数据集 * @param datePattern 日期格式，传null值则默认 年月日 * @param colWidth 列宽 默认 至少17个字节 * @param out 输出流 */ public void exportExcelX(String title, Map<String, String> headMap, JSONArray jsonArray, String datePattern, int colWidth, OutputStream out) { SXSSFWorkbook workbook = null; try{ if (datePattern == null) { datePattern = DEFAULT_DATE_PATTERN; } // 声明一个工作薄,//缓存 workbook = new SXSSFWorkbook(1000); workbook.setCompressTempFiles(true); //表头样式 CellStyle titleStyle = workbook.createCellStyle(); titleStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); Font titleFont = workbook.createFont(); titleFont.setFontHeightInPoints((short) 20); titleFont.setBoldweight((short) 700); titleStyle.setFont(titleFont); // 列头样式 CellStyle headerStyle = workbook.createCellStyle(); headerStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); headerStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); headerStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); headerStyle.setBorderRight(HSSFCellStyle.BORDER_THIN); headerStyle.setBorderTop(HSSFCellStyle.BORDER_THIN); headerStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); Font headerFont = workbook.createFont(); headerFont.setFontHeightInPoints((short) 12); headerFont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); headerStyle.setFont(headerFont); // 单元格样式 CellStyle cellStyle = workbook.createCellStyle(); 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); cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); Font cellFont = workbook.createFont(); cellFont.setBoldweight(HSSFFont.BOLDWEIGHT_NORMAL); cellStyle.setFont(cellFont); // 生成一个(带标题)表格 SXSSFSheet sheet = workbook.createSheet(); //设置列宽//至少字节数 int minBytes = colWidth < DEFAULT_COLUMN_WIDTH ? DEFAULT_COLUMN_WIDTH : colWidth; int[] arrColWidth = new int[headMap.size()]; // 产生表格标题行,以及设置列宽 String[] properties = new String[headMap.size()]; String[] headers = new String[headMap.size()]; int ii = 0; for (String key : headMap.keySet()) { properties[ii] = key; headers[ii] = headMap.get(key); int bytes = key.getBytes().length; arrColWidth[ii] = bytes < minBytes ? minBytes : bytes; sheet.setColumnWidth(ii, arrColWidth[ii] * 256); ii++; } // 遍历集合数据，产生数据行 int rowIndex = 0; for (Object obj : jsonArray) { if (rowIndex == 65535 || rowIndex == 0) { //如果数据超过了，则在第二页显示 if (rowIndex != 0) { sheet = workbook.createSheet(); } //表头 rowIndex=0 SXSSFRow titleRow = sheet.createRow(0); titleRow.createCell(0).setCellValue(title); titleRow.getCell(0).setCellStyle(titleStyle); sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, headMap.size() - 1)); //列头 rowIndex =1 SXSSFRow headerRow = sheet.createRow(1); for (int i = 0; i < headers.length; i++) { headerRow.createCell(i).setCellValue(headers[i]); headerRow.getCell(i).setCellStyle(headerStyle); } //数据内容从 rowIndex=2开始 rowIndex = 2; } JSONObject jo = (JSONObject) JSONObject.toJSON(obj); SXSSFRow dataRow = sheet.createRow(rowIndex); for (int i = 0; i < properties.length; i++) { SXSSFCell newCell = dataRow.createCell(i); Object o = jo.get(properties[i]); String cellValue = ""; if (o == null) { cellValue = ""; } else if (o instanceof Date) { cellValue = new SimpleDateFormat(datePattern).format(o); } else if (o instanceof Float || o instanceof Double) { cellValue = new BigDecimal(o.toString()).setScale(2, BigDecimal.ROUND_HALF_UP).toString(); } else { cellValue = o.toString(); } newCell.setCellValue(cellValue); newCell.setCellStyle(cellStyle); } rowIndex++; } // 自动调整宽度 /*for (int i = 0; i < headers.length; i++) { sheet.autoSizeColumn(i); }*/ workbook.write(out); }catch (Exception e){ e.printStackTrace(); }finally { try{ workbook.close(); }catch (Exception e){ e.printStackTrace(); } try{ workbook.dispose(); }catch (Exception e){ e.printStackTrace(); } } } /** * 导出excel ，web下载 * * @param title * @param headMap * @param ja * @param response */ public void downloadExcelFile(String title, Map<String, String> headMap, JSONArray ja, HttpServletResponse response) { BufferedInputStream bis = null; BufferedOutputStream bos = null; ServletOutputStream outputStream = null; try { ByteArrayOutputStream os = new ByteArrayOutputStream(); exportExcelX(title, headMap, ja, null, 0, os); byte[] content = os.toByteArray(); InputStream is = new ByteArrayInputStream(content); // 设置response参数，可以打开下载页面 response.reset(); response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8"); response.setHeader("Content-Disposition", "attachment;filename=" + new String((title + ".xlsx").getBytes(), "iso-8859-1")); response.setContentLength(content.length); outputStream = response.getOutputStream(); bis = new BufferedInputStream(is); bos = new BufferedOutputStream(outputStream); byte[] buff = new byte[8192]; int bytesRead; while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) { bos.write(buff, 0, bytesRead); } } catch (Exception e) { e.printStackTrace(); } finally { try { bis.close(); } catch (Exception e) { e.printStackTrace(); } try { bos.close(); } catch (Exception e) { e.printStackTrace(); } try { outputStream.flush(); } catch (Exception e) { e.printStackTrace(); } try { outputStream.close(); } catch (Exception e) { e.printStackTrace(); } } } /** * (2007 xlsx后缀 导出) * @param fromFilePath 模板文件路径 * @param toFilePath 保存文件路径 * @param dataMap 填充数据 */ public void createXLSX(String fromFilePath,String toFilePath,Map<String,Object> dataMap) { FileOutputStream out = null; try{ File file = new File(toFilePath); if(file.exists()){ file.delete(); } //excel模板路径 File fi = new File(fromFilePath); InputStream in = new FileInputStream(fi); //读取excel模板 XSSFWorkbook wb = new XSSFWorkbook(in); //读取了模板内所有sheet内容 XSSFSheet sheet = wb.getSheetAt(0); //如果这行没有了，整个公式都不会有自动计算的效果的 sheet.setForceFormulaRecalculation(true); //在相应的单元格进行赋值 //第11行 第6列 for(int i = sheet.getFirstRowNum();i <= sheet.getLastRowNum();i++){ XSSFRow row = sheet.getRow(i); for(int j = 0 ; j < row.getLastCellNum(); j ++){ XSSFCell cell = row.getCell(j); if(cell != null){ cellDataAssemble(dataMap,cell,wb); } } } //修改模板内容导出新模板 out = new FileOutputStream(toFilePath); wb.write(out); }catch (Exception e){ e.printStackTrace(); }finally { try{ out.close(); }catch (Exception e){ e.printStackTrace(); } } } /** * 填充数据到excel模板，并web下载 * @param fromFilePath excel模板 * @param dataMap 填充数据 * @param fileName 下载保存文件名 * @param response response */ public void downloadXLSXFile(String fromFilePath, Map<String,Object> dataMap, String fileName, HttpServletResponse response) { BufferedInputStream bis = null; BufferedOutputStream bos = null; ServletOutputStream outputStream = null; try { fileName = URLEncoder.encode(fileName, "UTF-8"); ByteArrayOutputStream os = new ByteArrayOutputStream(); createXLSX(fromFilePath,os,dataMap); byte[] content = os.toByteArray(); InputStream is = new ByteArrayInputStream(content); response.reset(); response.setContentType("application/octet-stream;charset=utf-8"); response.setHeader("Content-Disposition","attachment;filename=" + fileName); response.setContentLength(content.length); outputStream = response.getOutputStream(); bis = new BufferedInputStream(is); bos = new BufferedOutputStream(outputStream); byte[] buff = new byte[8192]; int bytesRead; while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) { bos.write(buff, 0, bytesRead); } } catch (Exception e) { e.printStackTrace(); } finally { try { bis.close(); } catch (Exception e) { e.printStackTrace(); } try { bos.close(); } catch (Exception e) { e.printStackTrace(); } try { outputStream.flush(); } catch (Exception e) { e.printStackTrace(); } try { outputStream.close(); } catch (Exception e) { e.printStackTrace(); } } } /** * (2007 xlsx excel 组装) * @param fromFilePath 模板文件路径 * @param out 加载后导出文件路径 * @param dataMap 填充数据 */ public void createXLSX(String fromFilePath,OutputStream out,Map<String,Object> dataMap) { try{ //excel模板路径 File fi = new File(fromFilePath); InputStream in = new FileInputStream(fi); //读取excel模板 XSSFWorkbook wb = new XSSFWorkbook(in); //读取了模板内所有sheet内容 XSSFSheet sheet = wb.getSheetAt(0); //如果这行没有了，整个公式都不会有自动计算的效果的 sheet.setForceFormulaRecalculation(true); //在相应的单元格进行赋值 //第11行 第6列 for(int i = sheet.getFirstRowNum();i <= sheet.getLastRowNum();i++){ XSSFRow row = sheet.getRow(i); for(int j = 0 ; j < row.getLastCellNum(); j ++){ XSSFCell cell = row.getCell(j); if(cell != null){ cellDataAssemble(dataMap,cell,wb); } } } //修改模板内容导出新模板 wb.write(out); }catch (Exception e){ e.printStackTrace(); }finally { } } /** * 单元格内容组装 * @param dataMap * @param cell * @return */ private void cellDataAssemble(Map<String,Object> dataMap,XSSFCell cell,XSSFWorkbook wb){ String cellStr = getStringXLSXCellValue(cell); int m = cellStr.indexOf("{"); int n = cellStr.indexOf("}"); if(m != -1 && n != -1){ String key = cellStr.substring(m,n) .replace("{","") .replace("}","") .replace(" ",""); Object mapData = dataMap.get(key); if(mapData != null){ if(m == 0 && n + 1 == cellStr.length()){ setCellValue(cell,mapData,wb); }else if(cellStr.length() > n+1){ cell.setCellValue(cellStr.substring(0,m)+mapData.toString()+cellStr.substring(n+1)); }else{ cell.setCellValue(cellStr.substring(0,m)+mapData.toString()); } } }{ } } /** * 获取单元格数据内容为字符串类型的数据 * @param cell 单元格 * @return 内容 */ private String getStringXLSCellValue(HSSFCell cell) { String strCell = ""; if (cell == null) { return ""; } //将数值型参数转成文本格式，该算法不能保证1.00这种类型数值的精确度 DecimalFormat df = (DecimalFormat) NumberFormat.getPercentInstance(); StringBuffer sb = new StringBuffer(); sb.append("0"); df.applyPattern(sb.toString()); switch (cell.getCellType()) { case HSSFCell.CELL_TYPE_STRING: strCell = cell.getStringCellValue(); break; case HSSFCell.CELL_TYPE_NUMERIC: double value = cell.getNumericCellValue(); while(Double.parseDouble(df.format(value))!=value){ if("0".equals(sb.toString())){ sb.append(".0"); }else{ sb.append("0"); } df.applyPattern(sb.toString()); } strCell = df.format(value); break; case HSSFCell.CELL_TYPE_BOOLEAN: strCell = String.valueOf(cell.getBooleanCellValue()); break; case HSSFCell.CELL_TYPE_BLANK: strCell = ""; break; default: strCell = ""; break; } if (strCell == null || "".equals(strCell)) { return ""; } return strCell; } /** * 获取单元格数据内容为字符串类型的数据 * @param cell 单元格 * @return 内容 */ private String getStringXLSXCellValue(XSSFCell cell) { String strCell = ""; if (cell == null) { return ""; } //将数值型参数转成文本格式，该算法不能保证1.00这种类型数值的精确度 DecimalFormat df = (DecimalFormat) NumberFormat.getPercentInstance(); StringBuffer sb = new StringBuffer(); sb.append("0"); df.applyPattern(sb.toString()); switch (cell.getCellType()) { case XSSFCell.CELL_TYPE_STRING: strCell = cell.getStringCellValue(); break; case XSSFCell.CELL_TYPE_NUMERIC: double value = cell.getNumericCellValue(); while(Double.parseDouble(df.format(value))!=value){ if("0".equals(sb.toString())){ sb.append(".0"); }else{ sb.append("0"); } df.applyPattern(sb.toString()); } strCell = df.format(value); break; case XSSFCell.CELL_TYPE_BOOLEAN: strCell = String.valueOf(cell.getBooleanCellValue()); break; case XSSFCell.CELL_TYPE_BLANK: strCell = ""; break; default: strCell = ""; break; } if (strCell == null || "".equals(strCell)) { return ""; } return strCell; } /** * 给单元格Cell设置内容 * @param cell 单元格 * @param obj 值 * @param wb excel对象 */ private void setCellValue(XSSFCell cell,Object obj,XSSFWorkbook wb) { CellStyle cellStyle = wb.createCellStyle(); DataFormat formatDate = wb.createDataFormat(); cellStyle.setDataFormat(formatDate.getFormat("yyyy/mm/dd hh:mm:ss")); if(obj instanceof Double){ cell.setCellValue((Double)obj); }else if(obj instanceof Date){ cell.setCellStyle(cellStyle); cell.setCellValue((Date)obj); }else{ cell.setCellValue(obj.toString()); } } public static void main(String[] args) throws IOException { //excle 2003 //ExcelUtil.getExcelUtil().createXLS(); //excle 2007 //{userName} {userAge} {userBirthday} Map<String,Object> dataMap = new HashMap<>(); dataMap.put("userName","海海"); dataMap.put("userAge","20"); dataMap.put("bankName","交通银行"); dataMap.put("bankNo","6111111111119"); dataMap.put("yongtu","话费"); dataMap.put("jine","100.00"); dataMap.put("zongjine","一百元整"); dataMap.put("zongjineDouble","100.00"); dataMap.put("userBirthday",new Date()); ExcelUtil.getExcelUtil().createXLSX("D:/财务部付款凭单.xlsx","D:/to.xlsx",dataMap); }}
controller
/** * 下载excel * http://localhost:8005/invoicetitle/downloadExcel */@RequestMapping(value = "/downloadExcel", method = {RequestMethod.POST, RequestMethod.GET})public Object downloadExcel(HttpServletRequest request, HttpServletResponse response)throws Exception{ System.out.println("in downloadExcel111222"); Map<String,Object> dataMap = new HashMap<>(); dataMap.put("userName","海海"); dataMap.put("userAge","20"); dataMap.put("bankName","交通银行"); dataMap.put("bankNo","6111111111119"); dataMap.put("yongtu","话费"); dataMap.put("jine","100.00"); dataMap.put("zongjine","一百元整"); dataMap.put("zongjineDouble","100.00"); dataMap.put("userBirthday",new Date()); ExcelUtil.getExcelUtil().downloadXLSXFile( "D:/财务部付款凭单.xlsx", dataMap, "财务部付款凭单.xlsx",response); return null;}
excel模板中占位：
{userName}{bankName}{bankNo}阅读全文
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