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<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.File"%>
<%@ page import="java.io.*"%>
<title>文档下载保存中转页面</title>
</head>
<!--
*文件名:down_center.jsp
*实现功能:服务器上保存的文件名为按上传时间命名的
下载时自动替换为中文文件名
*遗留问题:无格式判断功能,有待开发
*编写时间:2006-9-5
*代码编写:郑兆童
*最终修改时间:2006-9-5
*最终修改内容:无
-->
<body>
<%
String root = getServletContext().getRealPath("/"); //得到网站绝对路径
//String filepath = "upload_file//lwfile//"; //设置文件存放的相对路径(windows)
String filepath = "upload_file/lwfile/"; //设置文件存放的相对路径(linux)
String fileName = request.getParameter("filename"); //得到文件名
String myName = "中文文档下载.doc"; //文件改名
out.print(root + filepath + fileName);
// 设置响应头和下载保存的文件名
response.reset();
//response.setContentType("application/octet-stream"); //windows
//response.addHeader("Content-Disposition", "filename=/"" + myName + "/""); //windows
response.setContentType("application/octet-stream; charset=GBK"); //linux
response.addHeader("Content-Disposition", "attachment; filename=/"" + new String(myName.getBytes("gb2312"),"iso8859-1") + "/""); //linux
//新建文件输入输出流
OutputStream output = null;
FileInputStream fis = null;
try{
//新建File对象
File f = new File(root + filepath + fileName);
//新建文件输入输出流对象
output = response.getOutputStream();
fis = new FileInputStream(f);
//设置每次写入缓存大小
byte[] b = new byte[(int)f.length()];
//out.print(f.length());
//把输出流写入客户端
int i = 0;
while((i = fis.read(b)) > 0){
output.write(b, 0, i);
}
output.flush();
}
catch(Exception e){
e.printStackTrace();
}
finally{
if(fis != null){
fis.close();
fis = null;
}
if(output != null){
output.close();
output = null;
}
}
%>
</body>
</html>
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