日期:2014-05-16 浏览次数:20412 次
<%@ 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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