limeng
/
cetdz


			
				
					
						
						
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							<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="java.io.FileInputStream"%>
<%@ page import="java.io.File"%>
<%@ page import="java.io.OutputStream"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<%
//若使用字节流进行文件下载，应该首先清空一下out对象，默认是字符流
out.clear(); 
out = pageContext.pushBody();
response.setContentType("application/force-download");
String path=request.getParameter("path").replace("../..","D:/apache-tomcat-6.0.41/webapps/cetdz");
System.out.println(path);

String filename=java.net.URLDecoder.decode(request.getParameter("filename"),"UTF-8");
//filename=path.substring(path.lastIndexOf("/")+1);
System.out.println(filename);

if (request.getHeader("user-agent").toLowerCase().contains("msie")) {  
        // IE  
    filename = java.net.URLEncoder.encode(filename, "UTF-8");  
} else {  
        // 非IE  
    filename = new String(filename.getBytes("UTF-8"), "ISO8859-1");  
}

//filename=new String(filename.getBytes("UTF-8"),"ISO8859-1");
//filename=path.substring(path.lastIndexOf("/")+1);
//通过设置头标题来显示文件传送到前端浏览器的文件信息
response.setHeader("Content-disposition","inline;filename="+filename);
File file = new File(path);
response.setHeader("Content_Length",String.valueOf(file.length()));
FileInputStream input = null;
OutputStream output = null;
try{
 input = new FileInputStream(file);
 output = response.getOutputStream();
 byte size[] = new byte[1024];
 int length;
 while((length=input.read(size))!=-1){
 output.write(size);
 }
}catch(Exception e){
 System.out.print(e.getMessage());
}finally{
 try{
 input.close();
 output.flush();
 output.close();
 }catch(Exception ex){

 }
}

%>
<script></script>
  <head>
    
    <title>My JSP 'index.jsp' starting page</title>
    	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
  </head>
  
  <body>
    This is my JSP page. <br>
  </body>
</html>