<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="java.io.FileInputStream"%>
<%@ page import="java.io.File"%>
<%@ page import="java.io.OutputStream"%>
<%
//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){
}
}
%>
My JSP 'index.jsp' starting page
This is my JSP page.