多个文件同时下载?你是指怎么下载?依次PUSH?
还是说在你下载的同时可以再打开另一个进程下载?这是我写的代码,不知道对你有没有用。
我没有使用smartupload,com.wht中的东西你可以不管
<%@ page import="java.io.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.net.*" %>
<%@ page import="com.wht.*" %>
<%
final String BASE_DIR = "H:\\Rubbish\\";
String filename = request.getParameter("file");
if (filename == null || filename.equals("")) {
return ;
}
String file = filename.substring(filename.lastIndexOf("\\") + 1);
filename = MyTools.iso2gb(BASE_DIR + filename); response.setContentType(getServletContext().getMimeType(file)); // MIME type
response.setHeader("Content-disposition", "attachment; filename=" + file);
FileInputStream bis = new FileInputStream(filename);
BufferedOutputStream bos = new BufferedOutputStream( response.getOutputStream());
byte[] buff = new byte[2048];
int bytesRead;
long i = 0;
while (-1 != (bytesRead = (bis.read(buff, 0, buff.length)))){
bos.write(buff, 0, bytesRead);
System.out.println(" bytes = " + (i++) * 2048);
}
if (bis != null){
bis.close();
}
if (bos != null){
bos.close();
}
%>
还是说在你下载的同时可以再打开另一个进程下载?这是我写的代码,不知道对你有没有用。
我没有使用smartupload,com.wht中的东西你可以不管
<%@ page import="java.io.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.net.*" %>
<%@ page import="com.wht.*" %>
<%
final String BASE_DIR = "H:\\Rubbish\\";
String filename = request.getParameter("file");
if (filename == null || filename.equals("")) {
return ;
}
String file = filename.substring(filename.lastIndexOf("\\") + 1);
filename = MyTools.iso2gb(BASE_DIR + filename); response.setContentType(getServletContext().getMimeType(file)); // MIME type
response.setHeader("Content-disposition", "attachment; filename=" + file);
FileInputStream bis = new FileInputStream(filename);
BufferedOutputStream bos = new BufferedOutputStream( response.getOutputStream());
byte[] buff = new byte[2048];
int bytesRead;
long i = 0;
while (-1 != (bytesRead = (bis.read(buff, 0, buff.length)))){
bos.write(buff, 0, bytesRead);
System.out.println(" bytes = " + (i++) * 2048);
}
if (bis != null){
bis.close();
}
if (bos != null){
bos.close();
}
%>
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都是设置header之类的
这根浏览器http挂钩的ba
===============================<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<%@ page contentType="text/html; charset=gb2312" %>
<%@ page import="java.io.*" %>
<%@ page import="java.util.*" %>
<%@ page import="com.wht.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>List</title>
<link href="../css.css" rel="stylesheet" type="text/css">
</head><body bgcolor="#EEEEEE" text="#000000">
<%
//检查登录
String folder = MyTools.iso2gb( request.getParameter("dir"));
final String BASE_DIR = "H:\\Rubbish\\";
if (folder == null) {
folder = "";
}
File dir = new File(BASE_DIR + folder); //取上级目录
int lastIndex = folder.lastIndexOf("\\");
String superFolder = "";
if (lastIndex > 0) {
superFolder = folder.substring(0, lastIndex);
}
out.println("<p>Current Dir = " + folder + " | <a href=\"list.jsp?dir=" + superFolder + "\">返回上级目录</a>");
//end 取上级目录 int filesum = 0;
if (dir.exists()) {
String temp[] = dir.list();
if (temp.length == 0)
out.println("<p>该文件夹下目前没有文件!</p>");
else {
filesum = temp.length;
out.println("<table border=0 cellspacing=1 cellpadding=0 width=640>");
out.print("<tr><td>目前共有文件 <font color=\"0000ff\">" + temp.length + "</font> 个</td>");
out.println("</tr></talbe>");
out.println("<table border=0 cellspacing=1 bgcolor=#3399ff cellpadding=3>");
out.println("<tr align=center>");
out.print("<td width=300><font color=#ffffff><b>文件名</b></font></td>");
out.print("<td width=140><font color=#ffffff><b>大 小</b></font></td>");
out.print("<td width=80><font color=#ffffff><b>下 载</b></font></td>");
out.print("<td width=80><font color=#ffffff><b>删 除</td></b></font>");
out.println("</tr>");
for(int i = 0; i < temp.length; i++) {
File ft = new File(dir + "\\" + temp[i]);
out.print("<tr bgcolor=#ffffff>");
//判断是文件夹或是文件
if (ft.isDirectory()) {
String file = folder;
if (!file.equals(BASE_DIR)) {
file = file + "\\" + temp[i];
}
else {
file = file + temp[i];
}
out.print("<td><img src=\"folder.gif\"> <a href=\"list.jsp?dir=" + file + "\">" + temp[i] + "</a></td>");
out.println("<td align=center>-</td>");
out.print("<td align=center>-</td>");
out.print("<td align=center>删 除</td>");
}
else {
out.print("<td><a href=\"download.jsp?file=" + folder + "\\" + temp[i] + "\" target=_blank>" + temp[i] + "</a></td>");
out.println("<td align=center>" + ft.length() + "(bytes)</td>");
out.print("<td align=center><a href=\"download.jsp?file=" + folder + "\\" + temp[i] + "\">下 载</a></td>");
out.print("<td align=center>删 除</td>");
}
out.println("</tr>");
}
out.println("</table>");
}
}
else {
out.println("<p align=left>目标不存在,请与管理员联系!</p>");
}
out.println("</td></tr></talbe>");
%></body>
</html>