//上传-- // 1 保存数据到excel,对应的sheet头header,body数据类型list //2 上传文件到服务器中 //下载-- // 1 获取文件路径 //2 导出数据到保持的路径(或者是浏览器路径) /** * 保存数据到excel * @param listBody * @param sheetName */ public void saveExcelData(List<DocLibBrowseOrgVo> listBody, String sheetName) { XSSFWorkbook wb = new XSSFWorkbook(); XSSFSheet sheet = wb.createSheet(sheetName); XSSFRow row = sheet.createRow(0); row.createCell(0).setCellValue(""); row.createCell(1).setCellValue(""); row.createCell(2).setCellValue(""); int i = 0; for (DocLibBrowseOrgVo doc : listBody) { i++; row = sheet.createRow(i); row.createCell(0).setCellValue(doc.getDocLibId()); row.createCell(1).setCellValue(doc.getDocLibName()); row.createCell(2).setCellValue(doc.getCount()); row.createCell(4).setCellValue(doc.getStatisticDate()); } } /** * 上传文件到服务器指定路径 * * @param destPath * @param fileName */ public void uploadFile(String destPath, String fileName, XSSFWorkbook wb) throws IOException { File pathFile = new File(destPath); if (!pathFile.exists()) { pathFile.mkdirs(); } File destFile = new File(destPath + fileName); BufferedOutputStream buffer = new BufferedOutputStream(new FileOutputStream(destFile)); wb.write(buffer); buffer.close(); } /** * 下载 * * @param srcPath * @param fileName */ public void downLoadFile(String srcPath, String fileName, HttpServletRequest request, HttpServletResponse response) { File file = new File(srcPath + fileName); if (file.exists()) { response.setContentType("application/force-download");// 设置强制下载不打开 setFileDownloadHeader(request, response, fileName); //解决中文名称 byte[] buffer = new byte[1024]; FileInputStream fis = null; BufferedInputStream bis = null; OutputStream os = null; try { fis = new FileInputStream(file); bis = new BufferedInputStream(fis); os = response.getOutputStream();//到浏览器下载路径 int i; while ((i=bis.read(buffer))!= -1) { os.write(buffer, 0, i); i = bis.read(buffer); } } catch (Exception e) { e.printStackTrace(); } finally { if (bis != null) { try { bis.close(); } catch (IOException e) { e.printStackTrace(); } } if (fis != null) { try { fis.close(); } catch (IOException e) { e.printStackTrace(); } } } } } /** * 解决中文名称 * @param request * @param response * @param fileName */ public void setFileDownloadHeader(HttpServletRequest request, HttpServletResponse response, String fileName) { try { //中文文件名支持 String encodedfileName; String agent = request.getHeader("USER-AGENT"); if (null != agent && agent.contains("MSIE")) {//IE encodedfileName = java.net.URLEncoder.encode(fileName, "UTF-8"); } else if (null != agent && agent.contains("Mozilla")) { encodedfileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1"); } else { encodedfileName = java.net.URLEncoder.encode(fileName, "UTF-8"); } response.setHeader("Content-Disposition", "attachment; filename=\"" + encodedfileName + "\""); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } }
原文地址:https://www.cnblogs.com/Andrew520/p/9251881.html
时间: 2024-10-17 08:04:36