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html5 video全屏事件实例代码

来源:bipin.org    作者:admin   时间:2016-12-16

本文直接给出一个完整代码实例,需要的朋友可以参考下。

html5中,全屏方法可以适用于很多html 元素,不仅仅是video。下面小编就为您送上一个完整的代码实例,希望能够帮助大家。

<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>全屏问题</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<meta http-equiv="imagetoolbar" content="no"/>
<meta name="apple-mobile-web-app-capable" content="yes"/>
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<style type="text/css">
*{
padding: 0px;
margin: 0px;
}

body div.videobox{
width: 400px;
height: 320px;
margin: 100px auto;
background-color:#000;
}

body div.videobox video.video
{
width: 100%;
height: 100%;
}

:-webkit-full-screen {

}

:-moz-full-screen {

}

:-ms-fullscreen {

}

:-o-fullscreen {

}

:full-screen { 

}

:fullscreen {

}

:-webkit-full-screen video {
width: 100%;
height: 100%;
}
:-moz-full-screen video{
width: 100%;
height: 100%;
}
</style>
</head>
<body>


<div id="videobox">

<video controls="controls" preload="preload" id="video" poster="poster.jpg">
<source src="./movie.ogg" type="video/ogg" />
<source src="./movie.mp4" type="video/mp4" />
<source src="./movie.webm" type="video/webm" />
<object data="./movie.mp4" width="100%" height="100%">
<embed width="100%" height="100%" src="./movie.swf" />
</object>

</video>
<button id="fullScreenBtn">全屏</button>
</div>


<script type="text/javascript">

//反射调用
var invokeFieldOrMethod = function(element, method) 
{
var usablePrefixMethod;
["webkit", "moz", "ms", "o", ""].forEach(function(prefix) {
if (usablePrefixMethod) return;
if (prefix === "") {
// 无前缀,方法首字母小写
method = method.slice(0,1).toLowerCase() + method.slice(1); 
}
var typePrefixMethod = typeof element[prefix + method];
if (typePrefixMethod + "" !== "undefined") {
if (typePrefixMethod === "function") {
usablePrefixMethod = element[prefix + method]();
} else {
usablePrefixMethod = element[prefix + method];
}
}
});

return usablePrefixMethod;
};

//进入全屏
function launchFullscreen(element) 
{
//此方法不可以在异步任务中执行,否则火狐无法全屏
if(element.requestFullscreen) {
element.requestFullscreen();
} else if(element.mozRequestFullScreen) {
element.mozRequestFullScreen();
} else if(element.msRequestFullscreen){ 
element.msRequestFullscreen(); 
} else if(element.oRequestFullscreen){
element.oRequestFullscreen();
}
else if(element.webkitRequestFullscreen)
{
element.webkitRequestFullScreen();
}else{

var docHtml = document.documentElement;
var docBody = document.body;
var videobox = document.getElementById('videobox');
var cssText = 'width:100%;height:100%;overflow:hidden;';
docHtml.style.cssText = cssText;
docBody.style.cssText = cssText;
videobox.style.cssText = cssText+';'+'margin:0px;padding:0px;';
document.IsFullScreen = true;

}
}
//退出全屏
function exitFullscreen()
{
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if(document.oRequestFullscreen){
document.oCancelFullScreen();
}else if (document.webkitExitFullscreen){
document.webkitExitFullscreen();
}else{
var docHtml = document.documentElement;
var docBody = document.body;
var videobox = document.getElementById('videobox');
docHtml.style.cssText = "";
docBody.style.cssText = "";
videobox.style.cssText = "";
document.IsFullScreen = false;
}
}
document.getElementById('fullScreenBtn').addEventListener('click',function(){
launchFullscreen(document.getElementById('video')); 
window.setTimeout(function exit(){
//检查浏览器是否处于全屏
if(invokeFieldOrMethod(document,'FullScreen') || invokeFieldOrMethod(document,'IsFullScreen') || document.IsFullScreen)
{
exitFullscreen();
}
},5*1000);
},false);

</script>
</body>

</html>

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