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();
}
}
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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

原文地址:https://www.cnblogs.com/xuqiang7/p/11435842.html