JSP流上载
日期：2014-05-16 浏览次数：20372 次
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http://blog.csdn.net/ecjtuxuan/archive/2008/02/14/2093757.aspx
<%@ page language="java" pageEncoding="utf-8"%>
<%@ page import="java.io.OutputStream,java.io.File,java.io.FileInputStream"%>
<html>
? <head>
?
??? <title>JSP流文件下载</title>
??? <meta http-equiv="pragma" content="no-cache">
??? <meta http-equiv="cache-control" content="no-cache">
??? <meta http-equiv="expires" content="0">???
??? <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
??? <meta http-equiv="description" content="This is my page">
? </head>
?
? <body>
?? <%?????
????????? response.reset();
????????? OutputStream o =response.getOutputStream();????
????????? byte?? b[]=new?? byte[500];?
????????? String path = "e:\\mysql.sql";
????????? //String path = request.getSession().getServletContext().getRealPath("/");
???????? // if(path.endsWith("\\"))
????????? //{
?????????? //?? path+="upload\\excelfiles\\TransInfo.xls";
????????? //}
????????? //else
????????? //{
??????????? //? path+="upload\\excelfiles\\TransInfo.xls";
????????? //}
????????? File fileLoad=new File(path);?
????????? response.reset();?
????????? response.setCharacterEncoding("GBK");
????????? request.setCharacterEncoding("GBK");
????????? response.setHeader("Content-disposition","attachment;filename="+"mysql.sql");
????????? response.setContentType("application/x-download");????
????????? long?? fileLength=fileLoad.length();??
????????? String?? length=String.valueOf(fileLength);??
????????? response.setHeader("Content_Length",length);??
????????? FileInputStream?? in=new?? FileInputStream(fileLoad);??
????????? int?? n=0;??
????????? while((n=in.read(b))!=-1){
???????????? o.write(b,0,n);??
????????? }?
????????? in.close();
????????? o.close();
????????
? %>
? </body>
</html>
