用JSP下载带有中文文件名的Excel文件

*** download目录在WebContent下, "复核〔2012〕0967号.xls"文件在download目录下。


<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Download File Sample</title>
</head>
<body>
 下载:  <a href="downLoadFile.jsp?filename=复核〔2012〕0967号.xls">DownLoad</a>
</body>
</html>

*************************
**  downLoadFile.jsp
*************************

<%@ page language="java" contentType="text/html; charset=gb2312"    pageEncoding="gb2312"%>
<%@ page import="java.io.File" %>
<%@ page import="java.io.*" %>
<%@ page import="java.net.*" %>
   
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>DownLoad File</title>
</head>
<body>

<%
 String root = getServletContext().getRealPath("/");
 String filePath = "download\\";
 String fileName = "fh.xls";
 
 String targerName = request.getParameter("filename");
 

//以下红色部分最主要
 targerName =  new String(targerName.getBytes("iso8859-1"),"utf-8");    
 String fullPath = root + filePath + fileName;
 
 out.println(targerName);
 response.reset();
 response.setContentType("application/octet-stream");
 response.addHeader("Content-Disposition", "filename=\"" +  URLEncoder.encode(targerName, "utf-8") + "\"");
 
 OutputStream output = null;
 FileInputStream fis = null;
 
 try{
   File f = new File(fullPath);
   output = response.getOutputStream();
   fis = new FileInputStream(f);
   byte[] b = new byte[(int)f.length()];
   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;

   out.clear();
   out = pageContext.pushBody();
  }
 }
%>

</body>
</html>
 

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