java 下载网络文件 弹出下载框解决思路

java 下载网络文件 弹出下载框
java 下载网络文件 页面弹出文件下载框

网上找了很多 都是下载本地文件的 没找到合适的

我的实现 

Java code

URL url=new URL("http://10.0.0.252/home/owtest/330782510000-window.wav");            HttpURLConnection conn=(HttpURLConnection)url.openConnection();            conn.connect();            BufferedInputStream ins=new BufferedInputStream(conn.getInputStream());            String filename="330782510000-window.wav";            response.reset();            response.setContentType("application/octet-stream");             response.setHeader("Content-Disposition ", "attachment;filename=\""   +   filename   +   "\"");            int i;            while((i=ins.read())!=-1){                response.getOutputStream().write(i);            }            ins.close();            response.getOutputStream().close();            conn.disconnect();

Java code

URL url=new URL("http://10.0.0.252/home/owtest/330782510000-tupian1.jpg");            HttpURLConnection conn=(HttpURLConnection)url.openConnection();            conn.connect();            BufferedInputStream ins=new BufferedInputStream(conn.getInputStream());            String filename="330782510000-tupian1.jpg";            response.reset();            response.setContentType("application/octet-stream");             response.setHeader("Content-Disposition", "attachment;filename=\""   +   filename   +   "\"");            int i;            while((i=ins.read())!=-1){                response.getOutputStream().write(i);            }            ins.close();            response.getOutputStream().close();            conn.disconnect();