【www.gdgbn.com--js教程】

<%@ page contentType="text/html; charset=utf-8" language="java"%>
<%@ page import="java.io.*"%>
<%
 response.setHeader("Content-Disposition","attachment;filename=test.png");
 BufferedInputStream inputStream = new BufferedInputStream(request.getInputStream());
 OutputStream outputStream = response.getOutputStream();
 byte[] bytes = new byte[1024];
 int count;
 while ((count = inputStream.read(bytes)) > 0) {
  outputStream.write(bytes, 0, count);
 }
 outputStream.flush();
 outputStream.close();
 inputStream.close();
%>

本文来源：http://www.gdgbn.com/wangyezhizuo/20298/