jsp请求压缩导出txt文件

@RequestMapping({ "/productDetailBurn_export.html" })@ResponseBodypublic void productDetailBurn_export(ProductDetailInfo productDetailInfo,HttpServletRequest request, HttpServletResponse response)throws IOException {DbContextHolder.setDbType("isap");ModelAndView modelAndView = new ModelAndView();ProductInfo pro = (ProductInfo) request.getSession().getAttribute("mainProduct");//产品信息if ((pro != null) && (pro.getProductId() != null)) {//获取当前产品绑定用户信息Developer dev = new Developer();dev.setPageNum(0);dev.setPageSize(10);dev.setAcctId(pro.getAcctId());List<Developer> developers = this.developerService.selectDeveloper(dev);Developer developer =developers.get(0);String openid = developer.getOpenId();Integer pageNum = Integer.valueOf(1);if (request.getParameter("pageNum") != null) {pageNum = Integer.valueOf(Integer.parseInt(request.getParameter("pageNum")));}productDetailInfo.setPageNum(Integer.valueOf((pageNum.intValue() - 1) * 10));productDetailInfo.setPageSize(Integer.valueOf(10));List strs = = this.productDetailInfoService.selectProductDetailBurn(productDetailInfo);//导出数据查询Map<String,Object> maps = new HashMap<String,Object>();maps.put("open_id", openid);List<Map<String,Object>> daList = this.developerService.selectDomainNameAddress(maps);//导出数据替换List newStrs = new ArrayList();        //组装用户域名地址信息if(strs.size() > 0 ){StringBuffer sbt = new StringBuffer();String st =null;if(daList.size() > 0 ){sbt.append("hostcnt=").append(daList.size()).append(";");for(int i = 0;i<daList.size();i++){sbt.append("host").append(i+1).append("=").append(daList.get(i).get("domain_name")).append(";");}st = sbt.substring(0, sbt.length()-1);}else{st="hostcnt=3;host1=box1.xcloudlink.com;host2=box2.xcloudlink.com;host3=box3.xcloudlink.com";}for(int j = 0 ;j<strs.size();j++){strs.get(j).toString().replace("host_count_name", st);newStrs.add(strs.get(j).toString().replace("host_count_name", st));}}        String spNum = String.valueOf(request.getParameter("splitNumber"));    List exList = new ArrayList();//拆分存储数据List ruList = new ArrayList();//存放拆分后数据if(spNum != null && !spNum.equals("")){double splitNumber = Double.valueOf(spNum);//拆分数量double a = newStrs.size();//查询结果总条数double c = a/splitNumber;double d = Math.ceil(c);//每个文件中存放数量    for(int h = 0;h<newStrs.size();h++){exList.add(newStrs.get(h));if(exList.size()== d){String rust = sendProductInfoExport(exList);//list数据拼接成string返回ruList.add(rust);exList.clear();//清除己拆分后集合数据}else if(h == newStrs.size()-1){String rust = sendProductInfoExport(exList);//list数据拼接成string返回ruList.add(rust);exList.clear();//清除己拆分后集合数据}}        //循环存储无拆分数据 startStringBuffer write = new StringBuffer();String enter = "\r\n";if (newStrs.size() > 0) {for (int i = 0; i < newStrs.size(); i++) {write.append((String) newStrs.get(i));write.append(enter);}}ruList.add(write.toString());//循环存储无拆分数据 end    }else{//循环存储无拆分数据 startStringBuffer write = new StringBuffer();String enter = "\r\n";if (newStrs.size() > 0) {for (int i = 0; i < newStrs.size(); i++) {write.append((String) newStrs.get(i));write.append(enter);}}ruList.add(write.toString());//循环存储无拆分数据 end}            response.setContentType("text/plain");String fileName = "devices";try {fileName = URLEncoder.encode("devices", "UTF-8");} catch (UnsupportedEncodingException e1) {e1.printStackTrace();}List filesName = new ArrayList();//文件名String filUrl = "";//文件路径// String url = "c:\\";//指定文件目录String url = "ownerManager/";//自己命名String writePath = "";if(ruList.size() > 0){for(int j = 0;j<ruList.size();j++){response.setHeader("Content-Disposition", "attachment; filename=" + fileName + ".txt");BufferedOutputStream buff = null;ServletOutputStream outSTr = null;try {outSTr = response.getOutputStream();buff = new BufferedOutputStream(outSTr);//定义文件名格式并创建  // 5.保存文件到filePath中String realPath = request.getSession().getServletContext().getRealPath("/");//获取项目在容器中的实际发布运行根路径File file1 = new File(realPath+ url.substring(0, url.lastIndexOf("/")));if (!file1.exists())file1.mkdirs();writePath = realPath + url;filUrl = writePath;File txtFile = File.createTempFile(fileName+j, ".txt", new File(writePath));  filesName.add(txtFile);//文件名称FileWriter writer =   new FileWriter(txtFile, true);                 writer.write((String) ruList.get(j));                 writer.flush();               writer.close();} catch (Exception e) {e.printStackTrace();} }}   //-------------压缩文件start   //设置压缩流：直接写入response，实现边压缩边下载//响应头的设置     response.setCharacterEncoding("utf-8");     response.setContentType("multipart/form-data");    //设置压缩包的名字    //解决不同浏览器压缩包名字含有中文时乱码的问题    String downloadName = "烧入数据导出.zip";//压缩包名    String agent = request.getHeader("USER-AGENT");       try {           if (agent.contains("MSIE")||agent.contains("Trident")) {               downloadName = java.net.URLEncoder.encode(downloadName, "UTF-8");           } else {               downloadName = new String(downloadName.getBytes("UTF-8"),"ISO-8859-1");           }       } catch (Exception e) {           e.printStackTrace();       }       response.setHeader("Content-Disposition", "attachment;fileName=\"" + downloadName + "\"");                        ZipOutputStream zipos = null;            try {                zipos = new ZipOutputStream(new BufferedOutputStream(response.getOutputStream()));                zipos.setMethod(ZipOutputStream.DEFLATED); //设置压缩方法             } catch (Exception e) {                e.printStackTrace();            }            //循环将文件写入压缩流            DataOutputStream os = null;            for(int i = 0; i < filesName.size(); i++ ){                            File file = new File(filesName.get(i).toString());                try {                    //添加ZipEntry，并ZipEntry中写入文件流                    //这里，加上i是防止要下载的文件有重名的导致下载失败                String st = filesName.get(i).toString();                                st =st.substring(st.lastIndexOf("\\"), st.length()-4);//windows环境下  //st =st.substring(st.lastIndexOf("/"), st.length()-4);linux环境下                st = st.substring(1, st.length());                                    zipos.putNextEntry(new ZipEntry(i + st));                    os = new DataOutputStream(zipos);                    InputStream is = new FileInputStream(file);                    byte[] bs = new byte[100];                    int length = 0;                    while((length = is.read(bs))!= -1){                        os.write(bs, 0, length);                    }                    is.close();                    zipos.closeEntry();                } catch (IOException e) {                    e.printStackTrace();                }             }            //关闭流            try {                os.flush();                os.close();                zipos.close();            } catch (IOException e) {                e.printStackTrace();            }            /**             * 删除文件             *///            for(int h  = 0;h<filesName.size();h++){//             String st = filesName.get(h).toString();//             st = st.substring(3, st.length());//             deleteFile(filUrl,st);          // }          //---------------------------压缩文件end} else {modelAndView.setViewName("redirect:/productinfo/productList.html");//跳转}}/*** 导出烧入数据拆分* 2017-7-12* @param response* @param num* @param newStrs*/public String sendProductInfoExport(List newStrs){String st="";StringBuffer write = new StringBuffer();String enter = "\r\n";try {if (newStrs.size() > 0) {for (int i = 0; i < newStrs.size(); i++) {write.append((String) newStrs.get(i));write.append(enter);}}st = write.toString();} catch (Exception e) {e.printStackTrace();} return st;} /**    * 删除该目录filePath下的所有文件    * @param filePath    *            文件目录路径    */   public static void deleteFiles(String filePath) {       File file = new File(filePath);       if (file.exists()) {           File[] files = file.listFiles();           for (int i = 0; i < files.length; i++) {               if (files[i].isFile()) {                   files[i].delete();               }           }       }   }    /**    * 删除单个文件    * @param filePath 文件目录路径    * @param fileName 文件名称    */   public static void deleteFile(String filePath, String fileName) {       File file = new File(filePath);       if (file.exists()) {           File[] files = file.listFiles();           for (int i = 0; i < files.length; i++) {               if (files[i].isFile()) {                   if (files[i].getName().equals(fileName)) {                       files[i].delete();                       return;                   }               }           }       }   }