java 通过url下载文件到浏览

最新推荐文章于 2021-08-19 18:08:25 发布

置顶在路上的程序员

最新推荐文章于 2021-08-19 18:08:25 发布

阅读量406

点赞数

分类专栏： java 数据处理

本文链接：https://blog.youkuaiyun.com/pengkui201208/article/details/51613266

版权

java 数据处理专栏收录该内容

4 篇文章

订阅专栏

    @RequestMapping("/path")
    public void mainNoticeInitDown(HttpServletRequest request, HttpServletResponse response,
                               @RequestParam(value = "param", required = false) String param
) {        try{            response.setContentType("multipart/form-data");            response.setHeader("Content-Disposition", "attachment;fileName="                    + new String("附件".getBytes("UTF-8"),"ISO-8859-1")+".pdf" );            URL url = new URL("");                HttpURLConnection conn = (HttpURLConnection)url.openConnection();                conn.setRequestMethod("GET");                conn.setConnectTimeout(5 * 1000);                InputStream inStream = conn.getInputStream();//通过输入流获取图片数据                byte[] buf = new byte[4096];                int readLength;                OutputStream out =  response.getOutputStream();                while (((readLength = inStream.read(buf)) != -1)) {                    out.write(buf, 0, readLength);                }                out.flush();                out.close();                inStream.close();        }catch (Exception e){        }    }