• 服务器文件打压缩包下载(java)


    public void download(HttpServletRequest request, HttpServletResponse response){

      try {
        String downloadFilename = "中文.zip";//文件的名称
        downloadFilename = URLEncoder.encode(downloadFilename, "UTF-8");//转换中文否则可能会产生乱码
        response.setContentType("application/octet-stream");// 指明response的返回对象是文件流
        response.setHeader("Content-Disposition", "attachment;filename=" + downloadFilename);// 设置在下载框默认显示的文件名
        ZipOutputStream zos = new ZipOutputStream(response.getOutputStream());
        String[] files = new String[]{"http://xxxx/xx.jpg","http://xxx/xx.jpg"};
        for (int i=0;i<files.length;i++) {
        URL url = new URL(files[i]);
        zos.putNextEntry(new ZipEntry(i+".jpg"));
        //FileInputStream fis = new FileInputStream(new File(files[i]));
        InputStream fis = url.openConnection().getInputStream();
        byte[] buffer = new byte[1024];
        int r = 0;
        while ((r = fis.read(buffer)) != -1) {
        zos.write(buffer, 0, r);
      }
        fis.close();
      }
        zos.flush();
        zos.close();
      } catch (UnsupportedEncodingException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
      } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    }
    ————————————————
    版权声明:本文为CSDN博主「sunkuixing」的原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接及本声明。
    原文链接:https://blog.csdn.net/sunkuixing/article/details/63255006

  • 相关阅读:
    js类型转换 枫
    AspNetPager操作示例1 枫
    discuz资料 枫
    Request.params的知识 枫
    C#实现自动锁屏+关屏 枫
    iis访问aspx文件显示404无法找到文件? 枫
    filter:alpha(opacity=100,style=1) 枫
    IIS安装程序无法复制文件的问题(转载) 枫
    DataTable 枫
    windows系统函数详解(控制面板等常用函数) 枫
  • 原文地址:https://www.cnblogs.com/xuqiang7/p/11435842.html
Copyright © 2020-2023  润新知