弹出下载框，把ggggggggggg输出到下载的test.txt中去

<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@page import="java.io.OutputStream"%>

<%
String encrypt="gggggggggggggggggg";
out.clear();
	out = pageContext.pushBody();
	
	response.setContentType("application/x-msdownload");
	response.setHeader("Content-Disposition", "attachment; filename=test.txt");
	OutputStream os = response.getOutputStream();
	os.write(encrypt.getBytes("utf-8"));
	
	os.flush();
	os.close();
	
%>