@SuppressWarnings("unchecked") public String batchExport() throws DBException{ @SuppressWarnings("unused") List chkList = this.checkValueToList();//获取复选框的值 List srcfile=new ArrayList(); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHSS"); String path = sdf.format(new Date()); String serverPath = request.getSession().getServletContext().getRealPath("/"); //在服务器端创建文件夹 File file = new File(serverPath+path); if(!file.exists()){ file.mkdir(); } for (int i = 0; i < chkList.size(); i++ ){ String t[] = chkList.get(i).split("\|"); LhjcOrgSelfQuery lhjcunioncheckquery = new LhjcOrgSelfQuery(); lhjcunioncheckquery.setChnoticeId(t[0]); lhjcunioncheckquery.setOrgId(t[1]); lhjcunioncheckquery.setSelfChTempId(t[2]); List> reportViews=commonService.getObjectPages("ExportLhjcunioncheckresultReportView", lhjcunioncheckquery); String orgName = (String)commonService.get2Object("getUnioncheckOrgName", t[1]); //生成excel的名字 String templateName = nyear+"深圳市党政机关信息安全检查结果-"+(orgName==null?"未知单位":orgName); String[] headArray = new String[]{"编码","检查项名称"," 检查内容 ","考核类型"," 检查结果 "," 备注 ","权重","得分"}; String[] fieldArray = new String[]{"CHECKITEMCODE","CHITEMNAME","CHCONTENT","REPORTTYPE","QUESTDESC","CHITEMDESC","REPORTWEIGHT","UNIONSCORE"}; ExportUtils exportUtils = new ExportUtils(); exportUtils.setTitle(templateName); exportUtils.setHead(templateName); exportUtils.setHeadArray(headArray); exportUtils.setFieldArray(fieldArray); try { HttpServletResponse response = ServletActionContext.getResponse(); SimpleDateFormat sfm = new SimpleDateFormat("yyyy-MM-dd"); String filename = templateName + "_" + sfm.format(new Date()); String encodedfileName = new String(filename.getBytes(), "GBK"); //将生成的多个excel放到服务器的指定的文件夹中 FileOutputStream out = new FileOutputStream(serverPath+path+""+encodedfileName+".xls"); if(fileType.indexOf(",") != -1){ fileType = StringUtils.substringBefore(fileType, ","); } response.setHeader("Content-Disposition", " filename="" + encodedfileName + "." + fileType + """); //导出excel if ("xls".equals(fileType) || "xlsx".equals(fileType)) { exportUtils.exportExcel(reportViews,fileType,out); } else if("doc".equals(fileType) || "docx".equals(fileType)){ exportUtils.exportWord(reportViews, fileType, out); } else if("pdf".equals(fileType)){ exportUtils.exportPdf(reportViews, out); } srcfile.add(new File(serverPath+path+""+encodedfileName+".xls")); } catch (Exception e) { e.printStackTrace(); } } //将服务器上存放Excel的文件夹打成zip包 File zipfile = new File(serverPath+path+".zip"); this.zipFiles(srcfile, zipfile); //弹出下载框供用户下载 this.downFile(ServletActionContext.getResponse(),serverPath, path+".zip"); return null; } public void zipFiles(List srcfile, File zipfile) { byte[] buf = new byte[1024]; try { // Create the ZIP file ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipfile)); // Compress the files for (int i = 0; i < srcfile.size(); i++) { File file = srcfile.get(i); FileInputStream in = new FileInputStream(file); // Add ZIP entry to output stream. out.putNextEntry(new ZipEntry(file.getName())); // Transfer bytes from the file to the ZIP file int len; while ((len = in.read(buf)) > 0) { out.write(buf, 0, len); } // Complete the entry out.closeEntry(); in.close(); } // Complete the ZIP file out.close(); } catch (IOException e) { e.printStackTrace(); } } public void downFile(HttpServletResponse response,String serverPath, String str) { try { String path = serverPath + str; File file = new File(path); if (file.exists()) { InputStream ins = new FileInputStream(path); BufferedInputStream bins = new BufferedInputStream(ins);// 放到缓冲流里面 OutputStream outs = response.getOutputStream();// 获取文件输出IO流 BufferedOutputStream bouts = new BufferedOutputStream(outs); response.setContentType("application/x-download");// 设置response内容的类型 response.setHeader( "Content-disposition", "attachment;filename=" + URLEncoder.encode(str, "GBK"));// 设置头部信息 int bytesRead = 0; byte[] buffer = new byte[8192]; //开始向网络传输文件流 while ((bytesRead = bins.read(buffer, 0, 8192)) != -1) { bouts.write(buffer, 0, bytesRead); } bouts.flush();// 这里一定要调用flush()方法 ins.close(); bins.close(); outs.close(); bouts.close(); } else { response.sendRedirect("../error.jsp"); } } catch (IOException e) { e.printStackTrace(); } }