<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%@ page import="java.sql.*" %>

<%@ page import="java.io.*" %>

<%

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

request. setCharacterEncoding("UTF-8");

//response.setHeader("Content-Type", "charset=UTF-8");

%>

<%

    out.clear();

    out = pageContext.pushBody();

    response.setContentType("application/x-msdownload");

    response.addHeader("Content-Disposition","attachment;fileName=a.xls");

    OutputStream os = response.getOutputStream();

    FileInputStream fis = new FileInputStream("b.xls");//default path"/home/ap/user/domins/user"

    try{

        byte[] b = new byte[1024];

        int m = 0;

        while ( (m = fis.read(b)) > 0 ){

            os.write(b, 0, m); //写文件

        }

        fis.close();

        os.flush();

        os.close();

    }

    catch(Exception e){

        fis.close();

        os.flush();

        os.close();

    }

%>