spring mvc java 把多文件打包成zip,并下载

再来一篇

/**
	 *  压缩并导出文件
	 * @param zipPath 压缩文件临时路径  路径最后不要有 /
	 * @param zipName 压缩为文件名 **.zip
	 * @param createFilesPath 需要压缩的文件列表
	 * @param request
	 * @param response
	 * @return
	 * @throws IOException
	 */
	public boolean downloadZip(String zipPath,String zipName,List<String>createFilesPath,HttpServletRequest request,HttpServletResponse response) {

		    //String tmpFileName = "report.zip";
	        byte[] buffer = new byte[1024];
	       // String strZipPath = COM_REPORT_PATH+"/"+user.getOid()+"/"+report.getOid()+"/"+tmpFileName;  

	          String strZipPath=zipPath+"/"+zipName;
	        try {
	        	File tmpZip=new File(zipPath);
	        	if (!tmpZip.exists())
	        		tmpZip.mkdirs();
	        	 File tmpZipFile = new File(strZipPath);
	 			if (!tmpZipFile.exists())
	 				tmpZipFile.createNewFile();

	            ZipOutputStream out = new ZipOutputStream(new FileOutputStream(strZipPath));
	            // 需要同时下载的两个文件result.txt ，source.txt  

	            File[] file1 =new File[createFilesPath.size()] ;

	            for(int i=0;i<createFilesPath.size();i++){
	            	file1[i]=new File(createFilesPath.get(i));
	            }
	            for (int i = 0; i < file1.length; i++) {
	                FileInputStream fis = new FileInputStream(file1[i]);
	                out.putNextEntry(new ZipEntry(file1[i].getName()));
	                //设置压缩文件内的字符编码，不然会变成乱码
	                out.setEncoding("UTF-8");
	                int len;
	                // 读入需要下载的文件的内容，打包到zip文件
	                while ((len = fis.read(buffer)) > 0) {
	                    out.write(buffer, 0, len);
	                }
	                out.closeEntry();
	                fis.close();
	            }
	            out.close();
	            this.downloadFile(zipPath,zipName,response);
	        } catch (Exception e) {
	         e.printStackTrace();
	        }
	        return true;
	}

	/**
	 * 以压缩文件导出
	 * @param fileName
	 * @param filePath
	 * @param response
	 */
   public void downloadFile(String filePath,String fileName,HttpServletResponse response){
       response.setCharacterEncoding("utf-8");
      // response.setContentType("application/octet-stream");  

       try {
		   File file=new File(filePath,fileName);
           // 以流的形式下载文件。
           BufferedInputStream fis = new BufferedInputStream(new FileInputStream(file.getPath()));
           byte[] buffer = new byte[fis.available()];
           fis.read(buffer);
           fis.close();
           // 清空response
           response.reset();
           OutputStream toClient = new BufferedOutputStream(response.getOutputStream());
           response.setContentType("application/octet-stream");
           response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
           toClient.write(buffer);
           toClient.flush();
           toClient.close();

        }
        catch (IOException ex) {
           ex.printStackTrace();
       }
   }