开了一台限流不限速的服务器，折腾一下离线下载和云点播
实现思路：
- 下载工具： Aria2
- Web管理： Aria2 WebUI+JSP页面
服务器安装 Aria2 ，启动命令：aria2c --conf-path=/var/www/a.conf -D(D表示后台运行)
安装httpd服务，下载webui文件https://github.com/ziahamza/webui-aria2，用来管理aria2
动手写jsp页面实现云点播，主要功能
- 显示所有视频
- 播放视频
- 删除视频
index.jsp
<%@ page import="java.io.File" %>
<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>云点播</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="css/bootstrap.css" type="text/css" rel="stylesheet">
<script type="application/javascript" src="js/jquery-2.2.3.min.js"></script>
<script type="application/javascript" src="js/bootstrap.min.js"></script>
</head>
<body>
<%
List<String> filenames=new ArrayList<>();
String webpath=request.getSession().getServletContext().getRealPath("/");//项目文件夹
String path=webpath+"/videos";//存放视频文件夹
//System.out.println(path);
//遍历文件夹的所有文件
File file=new File(path);
File[] fa=file.listFiles();
for (int i=0;i<fa.length;i++){
File fs=fa[i];
if (fs.isDirectory())
{
System.out.println(fs.getName() + " [目录]");
}
else
{
filenames.add(fs.getName());
System.out.println(fs.getName());
}
}
System.out.println(filenames.size());
pageContext.setAttribute("filelist",filenames);
%>
<div class="container">
<div class="row clearfix">
<div class="col-md-2 column">
</div>
<div class="col-md-8 column">
<br><br>
<div class="panel panel-info">
<div class="panel-heading">
<h3 class="panel-title" style="display: inline">
简易云点播
</h3>
<a href="http://localhost/webui/" target="_blank" class="btn btn-info
btn-sm" style="position: relative;left: 10%">离线下载</a>
</div>
<ul class="list-group">
<c:forEach var="li" items="${filelist}">
<li class="list-group-item">
<div style="display: inline;font-size: 16px;"><c:out value="${li}"></c:out></div>
<div style="display: inline;position:absolute;bottom: 5px;right: 0" >
<a href="play.jsp?name=${li}" class="btn btn-success">播放</a>
<a href="delete.jsp?name=${li}" class="btn btn-warning">删除</a>
</div>
</li>
</c:forEach>
</ul>
</div>
</div>
<div class="col-md-2 column">
</div>
</div>
</div>
</body>
</html>
play.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>play</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="css/bootstrap.css" type="text/css" rel="stylesheet">
</head>
<body>
<%
String filename=request.getParameter("name");
pageContext.setAttribute("name",filename);
%>
<center>
<h4>${name}</h4>
<video controls="controls" autoplay="autoplay" width="100%" height="60%">
<source src="videos/${name}" type="video/mp4" />
</video>
</center>
</body>
</html>
delete.jsp
<%@ page import="java.io.File" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>删除视频</title>
</head>
<body>
<center>
<%! public static boolean delete(String fileName) {
File file = new File(fileName);
if (!file.exists()) {
System.out.println("删除文件失败:" + fileName + "不存在！");
return false;
} else {
return file.delete();
}
}
%>
<%
String filename=request.getParameter("name");
String webpath=request.getSession().getServletContext().getRealPath("/");
String path=webpath+"/videos";
if (delete(path+filename)){
out.print("删除成功");
}else {
out.print("删除失败");
}
%>
<br>
<a href="index.jsp">返回</a>
</center>
</body>
</html>
部署到服务器，投入使用
1.png
2.png
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