1 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
2 String filename = request.getParameter("filename");
3 System.out.println(filename);
4 String path = getServletContext().getRealPath("download/"+filename);
5 // 将下载的文件设置成utf8编码(必须先找到文件真实路径path,再进行UTF8编码,否则服务器端找不到utf8编码后的文件名)
6 filename = URLEncoder.encode(filename,"UTF-8");
7 // 设置响应头，控制浏览器下载该文件
8 response.setHeader("Content-disposition", "attachment;filename="+filename);
9
10 InputStream is = new FileInputStream(path);
11 OutputStream os = response.getOutputStream();
12 int len = 0;
13 byte[] buffer = new byte[1024];
14 while((len = is.read(buffer)) != -1) {
15 os.write(buffer,0,len);
16 }
17 os.close();
18 is.close();
19 }
