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回答


<!DOCTYPE html>
<html lang="en" >

<head>

<meta charset="UTF-8">






<style>
#playlist {
}

#playlist li{
cursor:pointer;
padding:8px;
}

#playlist li:hover{
color:blue;
}
#videoarea {
float:left;
width: 96%;
margin:10px;
border:1px solid silver;
}

body {
margin: 0;
}
</style>



</head>

<body >


<video id="videoarea" controls="controls" autoplay="autoplay" src="//repo.bfw.wiki/bfwrepo/video/modushanghai.mp4"></video>

<ul id="playlist">
<li movieurl="//repo.bfw.wiki/bfwrepo/video/modushanghai.mp4">视频 1</li>
<li movieurl="//repo.bfw.wiki/bfwrepo/video/5d8449e2482ad.mp4">视频 2</li>
<li movieurl="//repo.bfw.wiki/bfwrepo/video/5d87680ae1bf6.mp">视频 3</li>
</ul>

<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>
<script >
$(function () {
var currentlyPlaying = 0;

$("#playlist li").on("click", function () {
$("#videoarea").attr({
"src": $(this).attr("movieurl") });

currentlyPlaying = $(this).index();
console.log(currentlyPlaying);
});

$("#videoarea").hover(function (e) {//Only show controls on hover
if (e.type === "mouseenter") {
$(this).attr("controls", "controls");
} else if (e.type === "mouseleave") {
$(this).removeAttr("controls");
}
});

$("body").find("#videoarea").on("ended", function (e) {
if (currentlyPlaying + 1 < $("#playlist li").length) {//Check if we haven't reached the end
currentlyPlaying++;
console.log(currentlyPlaying);
$("#videoarea").attr({
"src": $("#playlist li").eq(currentlyPlaying).attr("movieurl") });

} else {//Restart if we have
currentlyPlaying = 0;
$("#videoarea").attr({
"src": $("#playlist li").eq(currentlyPlaying).attr("movieurl") });

}
});
});

</script>



</body>

</html>

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