1. [文件] demo1.html~5KB 下载 (11) !doctype htmlhtmlhead meta charset="utf-8"/ title全屏问题/title meta http-equiv="content-type" content="text/html; charset=utf-8"/ meta name="apple-mobile-web-app-capable" content="yes"/ meta http-
1. [文件] demo1.html ~ 5KB 下载(11)
<!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 name="apple-mobile-web-app-capable" content="yes"/>
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta name="viewport" content=" width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="screen-orientation"content="portrait">
<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" src="1459821394241.mp4" id="video" poster="111.PNG"></video>
<button id="fullScreenBtn">全屏</button>
</div>
<script type="text/javascript">
//反射調用
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;
};
//進入全屏
function launchFullscreen(element) {
//此方法不可以在異步任務中執行，否則火狐無法全屏
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>