html5 网页视频水印 | js代码实现示例
Posted 洛阳泰山
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示例图
原理
通过html的页面布局,在video播放器层面,通过js控制dom,插入文本水印代码。
代码示例
index.html
<!DOCTYPE html>
<html>
<head>
<meta name="renderer" content="webkit" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>html5视频水印</title>
<script src="https://www.jq22.com/jquery/jquery-1.10.2.js"></script>
<link rel="stylesheet" type="text/css" href="css/waterMarkVideo.css">
</head>
<body>
<div id="container">
<div style="position: absolute; width: 100%; left: 0; top: 0;height:100%;overflow:hidden">
<div class="watermark video-watermark-multiple video-watermark-item">
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
<div class="noselect"><span class="span"><span></div>
</div>
<video width="640px" height="360px">
<source src="https://blz-videos.nosdn.127.net/1/OverWatch/AnimatedShots/Overwatch_TheatricalTeaser_WeAreOverwatch_zhCN.mp4" type="video/mp4"/>
</video>
<div class="pos">
<img src=" img/i-play.png" width="40px" id="playBtn" />
<div style="padding-left:80px;padding-right:250px;">
<progress value="0" id="progress"></progress>
</div>
<div class="timebox">
<span id="time1">
00:00:00
</span>/
<span id="time2">
00:00:00
</span>
</div>
<img src="img/i-fs.png" width="35px" id="full"/>
</div>
</div>
</div>
<script type="text/javascript">
$(".span").html("water-mark");
var video = document.querySelector("video");
var playBtn = document.getElementById("playBtn");
playBtn.onclick = function()
if(video.paused)
video.play();
playBtn.src = "img/i-pause.png";
else
video.pause();
playBtn.src = "img/i-play.png";
var full = document.getElementById("full");
var container = document.getElementById("container");
var i = 1;//定义一个变量,用于记录是否为全屏状态
full.onclick = function()
i++;//对2取余,为0则全屏,否则关闭全屏
if(i%2==0)//点击开启全屏
if(container.requestFullScreen)
container.requestFullScreen()
else if(container.webkitRequestFullScreen)
container.webkitRequestFullScreen()//谷歌
else if(container.mozRequestFullScreen)
container.mozRequestFullScreen()//火狐
else if(container.msRequestFullscreen)
container.msRequestFullscreen()//ie
$('video').css("width":"100%","height":"100%");
$(".pos").css("width","100%");
full.src = "img/i-exitfs.png";
else//关闭全屏
if(document.cancelFullscreen)
document.cancelFullscreen();
else if(document.webkitCancelFullScreen)
document.webkitCancelFullScreen();
else if(document.mozCancelFullScreen)
document.mozCancelFullScreen();
else if(document.msExitFullscreen)
document.msExitFullscreen();
$('video').css("width":"640px","height":"360px");
$(".pos").css("width","640px");
full.src = "img/i-fs.png";
function number1(s)
if(s<10)
s="0"+s
else
s=""+s
return s;
var time1 = document.getElementById("time1");
var time2 = document.getElementById("time2");
var t1;
//视频获取时间单位为秒,要对它进行一些数据的处理
video.oncanplay = function()
t1 = video.duration;//获取视频总时长
var h = parseInt(t1/3600);
var m = parseInt(t1%3600/60);
var s = parseInt(t1%60);
time2.innerHTML = number1(h) + ":"+ number1(m) + ":" + number1(s);//值显示在span标签中
//获取当前视频播放的时间
video.ontimeupdate = function()
var t2 = video.currentTime;
var h = parseInt(t2/3600);
var m = parseInt(t2%3600/60);
var s = parseInt(t2%60);
time1.innerHTML = number1(h) + ":"+ number1(m) + ":" + number1(s);
progress.max = t2;
progress.value = t2/t1*progress.max;
video.onended = function()
progress.value = 0;
time1.innerHTML = "00"+":"+"00"+":"+"00";//播放结束时时间清0;
playBtn.src = "img/i-play.png";//播放结束时按钮恢复
progress.onclick = function(e)
//获取当前位置距离父级最左边的距离
//left = progress.offsetLeft;
//获取鼠标距离屏幕最左边的距离
//e.clientX
//获取鼠标距离当前元素最左边的距离
var left = e.offsetX;
console.log(left);
console.log(t1);
video.currentTime = left/360*t1;
</script>
</body>
</html>
核心代码
$(".span").html("water-mark");
"water-mark"字段添加要打的水印内容。也可以动态添加水印内容。
样式waterMarkVideo.css代码
body,div,img
margin: 0;
padding: 0;
border: 0;
#container
width: 640px;
border: 1px solid pink;
.pos
width: 640px;
height: 60px;
background: rgba(0,0,0,0.5);
margin-top: -63px;
position: relative;
#playBtn
position:relative;
top: 10px;
left: 20px;
cursor: pointer;
#progress
height: 12px;
width: 100%;
position: relative;
top: -27px;
cursor: pointer;
.timebox
position:absolute;
top: 20px;
right: 80px;
cursor: pointer;
color: white;
#full
position:absolute;
top: 12px;
right: 20px;
cursor: pointer;
.video-watermark-item
left: 15%;
top: 10%;
font-size: 20px;
color: rgba(240,240,240,0.3);
font-family: 方正黑体;
-o-transform: translate(-15%, -50%) rotate(-35deg);
-webkit-transform: translate(-15%, -50%) rotate(-35deg);
-moz-transform: translate(-15%, -50%) rotate(-35deg);
-ms-transform: translate(-15%, -50%) rotate(-35deg);
transform: translate(-15%, -50%) rotate(-35deg);
position: absolute;
overflow: hidden;
.noselect
display: inline-block;
padding: 100px;
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