/**
     * 功能:壓縮多個文件，輸出壓縮后的zip文件流
     *
     * @param srcfile：源文件列表
     * @param zipFileName：壓縮后的文件名
     * @param response:           Http響應
     */
    public void zipFiles(List<File> srcfile, String zipFileName, HttpServletResponse response) throws IOException {
        byte[] buf = new byte[1024];
        // 獲取輸出流
        BufferedOutputStream bos = null;
        try {
            bos = new BufferedOutputStream(response.getOutputStream());
        } catch (IOException e) {
            e.printStackTrace();
        }
        FileInputStream in = null;
        ZipOutputStream out = null;
        try {
            response.reset(); // 重點突出
            // 不同類型的文件對應不同的MIME類型
            response.setContentType("application/x-msdownload");
            response.setCharacterEncoding("utf-8");
            response.setHeader("Content-disposition", "attachment;filename=" + zipFileName + ".zip");
 
            // ZipOutputStream類：完成文件或文件夾的壓縮
            out = new ZipOutputStream(bos);
            for (int i = 0; i < srcfile.size(); i++) {
                in = new FileInputStream(srcfile.get(i));
                // 給列表中的文件單獨命名
                out.putNextEntry(new ZipEntry(srcfile.get(i).getName()));
                int len = -1;
                while ((len = in.read(buf)) != -1) {
                    out.write(buf, 0, len);
                }
            }
            out.close();
            bos.close();
            log.info("壓縮完成.");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (in != null) in.close();
            if (out != null) out.close();
        }
    }

zipFiles(files, zipName, response);

　　　　　String downloadName = "下載文件名稱.zip";
        downloadName = BrowserCharCodeUtils.browserCharCodeFun(request, downloadName);//下載文件名亂碼問題解決
        
        //將文件進行打包下載
        try {
            OutputStream out = response.getOutputStream();
            byte[] data = createZip("/fileStorage/download");//服務器存儲地址
            response.reset();
            response.setHeader("Content-Disposition","attachment;fileName="+downloadName);
            response.addHeader("Content-Length", ""+data.length);
            response.setContentType("application/octet-stream;charset=UTF-8");
            IOUtils.write(data, out);
            out.flush();
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

public byte[] createZip(String srcSource) throws Exception{
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        ZipOutputStream zip = new ZipOutputStream(outputStream);
        //將目標文件打包成zip導出
        File file = new File(srcSource); 
        a(zip,file,"");
        IOUtils.closeQuietly(zip);
        return outputStream.toByteArray();
    }

public void a(ZipOutputStream zip, File file, String dir) throws Exception {
            //如果當前的是文件夾，則進行進一步處理
            if (file.isDirectory()) {
                //得到文件列表信息
                File[] files = file.listFiles();
                //將文件夾添加到下一級打包目錄
                zip.putNextEntry(new ZipEntry(dir + "/"));
                dir = dir.length() == 0 ? "" : dir + "/";
                //循環(huán)將文件夾中的文件打包
                for (int i = 0; i < files.length; i++) {
                    a(zip, files[i], dir + files[i].getName());         //遞歸處理
                }
            } else {   //當前的是文件，打包處理
                //文件輸入流
               BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
               ZipEntry entry = new ZipEntry(dir);
               zip.putNextEntry(entry);
               zip.write(FileUtils.readFileToByteArray(file));
               IOUtils.closeQuietly(bis);
               zip.flush();
               zip.closeEntry();
            }
    }