设置网页的http头（下载保存，在线浏览）

<%@ page contentType="text/html; charset=shift_jis" language="java" import="java.sql.*" %>

<%

out.println("fdfafdfdaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");

response.setHeader("Content-type","application/x-msexcel");

//response.setHeader("Content-Disposition","inline; filename=\"desk.xls\"");//online open

response.setHeader("content-disposition","attachment;filename=\"syntax.xls\"");//download

%>