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這期內容當中小編將會給大家?guī)碛嘘P怎么在HTML5中自定義一個視頻播放器，文章內容豐富且以專業(yè)的角度為大家分析和敘述，閱讀完這篇文章希望大家可以有所收獲。
video對象
兼容性寫法
<video controls> <source src="data/demo.ovg"> <source src="data/demo.mp4"> <source src="data/demo.webm"> 您的瀏覽器不支持，請升級您的瀏覽器 </video>
video 標簽 width height autoplay muted
poster帶有預覽圖（海報圖片）的視頻播放器
<video src='data/demo.mp4' muted controls autoplay height='400' width="200" poster='data/poster.jpg'></video>
選中video標簽
var VideoNode = document.getElementById('myVideo');src控制視頻的來源
VideoNode.src = 'data/demo.ogv';
手動設置控件 controls
VideoNode.controls = true;
設置視頻音量
VideoNode.volume = 0.5;
currentTime當前播放時間
快進效果
gogogo.onclick = function(){
VideoNode.currentTime = VideoNode.currentTime + 3;
};暫停 pause()
stopNode.onclick = function(){
VideoNode.pause();
};播放play()
playNode.onclick = function(){
VideoNode.play();
};load 刷新播放器的事件
reloadNode.onclick = function(){
VideoNode.src = 'data/demo.mp4';
VideoNode.load();
};canplay 視頻已經(jīng)加載好 可以開始播放了
VideoNode.addEventListener('canplay',function(){
console.log('視頻已經(jīng)加載好 可以開始播放了');
});requestFullscreen 讓video標簽變成全屏
VideoNode.webkitRequestFullscreen();
VideoNode.mozRequestFullScreen();
fullScreenNode.onclick = function(){
if(VideoNode.webkitRequestFullscreen){
VideoNode.webkitRequestFullscreen();
}
else if(VideoNode.mozRequestFullScreen){
VideoNode.mozRequestFullScreen();
}
};volumechange 當音量更改時
VideoNode.onvolumechange = function(){
console.log('volumechange');
};聲音隨機更改
volumeNode.onclick = function(){
VideoNode.volume = Math.random();
};seeking 當用戶開始拖動進度條時 就會觸發(fā)的事件
var seekingNum = 0;
VideoNode.onseeking = function(){
console.log('seeking...');
seekingNum++;
seeking.innerHTML = seekingNum;
};seeked 當用戶對視頻的進度條并且已經(jīng)完成操作時會觸發(fā)的事件
var seekedNum = 0;
VideoNode.onseeked = function(){
console.log('seeked...');
seekedNum++;
seeked.innerHTML = seekedNum;
};timeupdate監(jiān)聽視頻播放的狀態(tài)
VideoNode.addEventListener('timeupdate',function(){
// 總時長，以分鐘：秒的形式顯示
let allTime = parseInt(VideoNode.duration/60)+':'+parseInt(VideoNode.duration%60);
// 當前時間，以分鐘：秒的形式顯示
let nowTime = parseInt(VideoNode.currentTime/60)+':'+parseInt(VideoNode.currentTime%60);
timeNode.innerHTML = nowTime+'/'+allTime;
})readyState 視頻的準備信息
console.log(VideoNode.readyState);
setTimeout(function(){
console.log(VideoNode.readyState);
},500);playbackRate 查看或設置視頻的一個播放速度
console.log(VideoNode.playbackRate)
Rate設置倍速
//Rate設置0.5倍速
RateNode.children[0].onclick = function(){
VideoNode.playbackRate = 0.5;
};
//Rate設置1倍速
RateNode.children[1].onclick = function(){
VideoNode.playbackRate = 1;
};
//Rate設置2倍速
RateNode.children[2].onclick = function(){
VideoNode.playbackRate = 2;
};loop的設置
loopNode.onclick = function(){
if(VideoNode.loop == false){
this.innerHTML = '循環(huán)';
VideoNode.loop = true;
}
else{
this.innerHTML = '不循環(huán)';
VideoNode.loop = false;
}
};src返回的數(shù)據(jù)
console.log('src='+VideoNode.src);
currentSrc返回的數(shù)據(jù)
console.log('currentSrc='+VideoNode.currentSrc);
監(jiān)聽ended事件
VideoNode.addEventListener('ended',function(){
console.log('視頻播放結束了');
VideoNode.play();
})查看視頻的網(wǎng)絡狀態(tài)
console.log(VideoNode.networkState)
手動設置控件 controls
VideoNode.controls = true;
手動設置靜音 muted
VideoNode.muted = true;
自定義視頻播放器
放圖
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
*{margin: 0;padding: 0;list-style: none;}
.outerNode{width: 540px;height: 332px;position: absolute;left: 50%;top: 50%;margin: -166px 0 0 -270px;box-shadow: 0 0 4px #5b606d;}
.outerNode .videoNode{
width: 540px;height: 305px;float: left;
background: black;
}
.outerNode .controlsNode{
width: 540px;height: 27px;float: left;background: url(images/ctrs_bg.gif) repeat-x;
}
.outerNode .controlsNode .playNode{
float: left;width: 15px;height: 17px;margin: 6px 0 0 14px;
background: url(images/playNode.png) no-repeat;cursor: pointer;
}
.outerNode .controlsNode .pauseNode{
float: left;width: 15px;height: 17px;margin: 6px 0 0 14px;
background: url(images/pause.png) no-repeat;cursor: pointer;
}
.outerNode .controlsNode .loadNode{width: 267px;height: 10px;margin: 9px 0 0 14px;float: left;background: url(images/load_bg.png) repeat-x;position: relative;}
.outerNode .controlsNode .loadNode .lineNode{
width: 0%;height: 7px;position: absolute;left: 0;top: 1px;
background: url(images/line_bg.png) repeat-x;
}
.outerNode .controlsNode .loadNode .lineNode .lineRight{
width: 2px;height: 100%;position: absolute;right: 0;top: 0;
background: url(images/line_r_bg.png) no-repeat;
}
.outerNode .controlsNode .loadNode .loadLeft{
height: 100%;width:3px ;position: absolute;left: 0;top: 0;
background: url(images/left_bg.png) no-repeat;z-index: 4;
}
.outerNode .controlsNode .loadNode .loadRight{
height: 100%;width:3px ;position: absolute;right: 0;top: 0;
background: url(images/right_bg.png) no-repeat;
}
.outerNode .controlsNode .loadNode .crlNode{width: 17px;height: 17px;background: url(images/crl_bg.png);position: absolute;left: -8.5px;top: -3.5px;cursor: pointer;z-index: 5;}
.outerNode .controlsNode .timeNode{
float: left;width: 75px;height: 10px;margin: 9px 0 0 9px;
}
.outerNode .controlsNode .timeNode span{font-size:10px;float: left;line-height: 10px;color: white; }
.outerNode .controlsNode .volumeNode{
width: 17px;height: 16px;float: left;margin: 5px 0 0 6px;
background: url(images/volume_bg.png);
}
.outerNode .controlsNode .volumeLine{
height: 8px;width: 61px;float: left;margin: 10px 0 0 4px;
background: url(images/volumeLine_bg.png) repeat-x;position: relative;
}
.outerNode .controlsNode .volumeLine .v_left{
width: 3px;height:100%;position: absolute;left: 0;top: 0;background: url(images/v_left.png) no-repeat;
}
.outerNode .controlsNode .volumeLine .v_right{
width: 3px;height:100%;position: absolute;right: 0;top: 0;background: url(images/v_right.png) no-repeat;
}
.outerNode .controlsNode .volumeLine .v_DragNode{width: 15px;height: 13px;position: absolute;left: 58.5px;top: -3.5px;background: url(images/vo_d.png) no-repeat;cursor: pointer;}
.outerNode .controlsNode .fullNode{
width:15px;height:17px;float: left;margin: 6px 0 0 35px;
background: url(images/full_bg.png) no-repeat;cursor: pointer;
transition: 0.7s;
}
.outerNode .controlsNode .fullNode:hover{
background: url(images/full_hover_bg.png) no-repeat;
}
</style>
</head>
<body>
<!-- 最外層的元素 -->
<div class='outerNode'>
<!-- video元素 -->
<video class='videoNode' src='data/imooc.mp4' poster="data/poster.jpg"></video>
<!-- 控制器的元素 -->
<div class='controlsNode'>
<!-- 控制播放暫停的按鈕 -->
<div class='playNode'></div>
<!-- video的進度條 -->
<div class='loadNode'>
<div class='loadLeft'></div>
<div class='loadRight'></div>
<!-- 拖動進度條的按鈕 -->
<div class='crlNode'></div>
<!-- 真正的進度條 -->
<div class='lineNode'>
<div class='lineRight'></div>
</div>
</div>
<!-- 時間的元素 -->
<div class='timeNode'>
<span class='now'>00:00</span>
<span> - </span>
<span class='all'>4:30</span>
</div>
<!-- 聲音的標志 -->
<div class='volumeNode'></div>
<!-- 聲音的條 -->
<div class='volumeLine'>
<div class='v_left'></div>
<div class='v_right'></div>
<div class='v_DragNode'></div>
</div>
<!-- 全屏的按鈕 -->
<div class='fullNode'></div>
</div>
</div>
<script type="text/javascript">
//播放暫停的控制
//PlayNode 播放器按鈕
//VideoNode 播放器
//PlayBln 控制暫停播放的布爾值
//FullNode 全屏按鈕
//nowNode 當前時間
//allNode 視頻的全部時間
//LineNode 當前的進度條
//CrlNode 進度條按鈕
//LoadNode 進度條外面的元素
var PlayNode = document.getElementsByClassName('playNode')[0],
VideoNode = document.getElementsByClassName('videoNode')[0],
FullNode = document.querySelector('.fullNode'),
nowNode = document.querySelector('.now'),
allNode = document.querySelector('.all'),
LineNode = document.querySelector('.lineNode'),
CrlNode = document.querySelector('.crlNode'),
LoadNode = document.querySelector('.loadNode'),
VDragNode = document.querySelector('.v_DragNode'),
PlayBln = true;
//播放、暫停的事件
PlayNode.onclick = function(){
//傳統(tǒng)的通過布爾值去改變classname的方法
PlayBln = !PlayBln;
if(PlayBln == false){
this.className = 'pauseNode';
VideoNode.play();
}
else{
this.className = 'playNode';
VideoNode.pause();
}
};
//全屏按鈕的事件
FullNode.onclick = function(){
if(VideoNode.webkitRequestFullscreen){
VideoNode.webkitRequestFullscreen();
}
else if(VideoNode.mozRequestFullScreen){
VideoNode.mozRequestFullScreen();
}
else{
VideoNode.requestFullscreen();
}
};
//解決最開始時間的NAN的問題
VideoNode.addEventListener('canplay',function(){
var needTime = parseInt(VideoNode.duration);
var s = needTime%60;
var m = parseInt(needTime / 60);
var timeNum = toDou(m)+':'+toDou(s);
allNode.innerHTML = timeNum;
},false);
//解決 時間不足10 的問題
function toDou(time){
return time<10?'0'+time:time;
}
//當視頻播放的時候 需要當前的時間動起來
VideoNode.addEventListener('timeupdate',function(){
//目前的 百分比進度
LineNode.style.width = VideoNode.currentTime/VideoNode.duration*100+'%';
CrlNode.style.left = LineNode.offsetWidth - 8.5 + 'px'
var needTime = parseInt(VideoNode.currentTime);
var s = needTime%60;
var m = parseInt(needTime / 60);
var timeNum = toDou(m)+':'+toDou(s);
nowNode.innerHTML = timeNum;
},false);
//聲音的拖拽按鈕
VDragNode.onmousedown = function(e){
var ev = e || event;
var l = ev.clientX - this.offsetLeft;
document.onmousemove = function(e){
var ev = e || event;
var needX = ev.clientX - l;
var maxX = VDragNode.parentNode.offsetWidth - 2.5;
needX = needX < -2.5 ? - 2.5 : needX;
needX = needX > maxX ? maxX : needX;
//計算0 - 1
var lastVolume = (VDragNode.offsetLeft + 2) / VDragNode.parentNode.offsetWidth ;
VideoNode.volume = lastVolume < 0 ? 0 : lastVolume;
VDragNode.style.left = needX + 'px';
};
document.onmouseup = function(e){
document.onmousemove = document.onmouseup = null;
}
return false;
}
//拖拽進度條按鈕
CrlNode.onmousedown = function(e){
var ev = e || event;
var l = ev.clientX - this.offsetLeft;
VideoNode.pause();
document.onmousemove = function(e){
var ev = e || event;
var needX = ev.clientX - l;
var maxX = LoadNode.offsetWidth - 8.5;
needX = needX < -8.5 ? -8.5 : needX;
needX = needX > maxX ? maxX : needX;
CrlNode.style.left = needX + 'px';
LineNode.style.width = (CrlNode.offsetLeft+9)/LoadNode.offsetWidth*100 + '%';
};
document.onmouseup = function(){
document.onmousemove = document.onmouseup = null;
VideoNode.currentTime = VideoNode.duration * (CrlNode.offsetLeft+9)/LoadNode.offsetWidth;
if(PlayBln == false){
//console.log(1);
PlayNode.className = 'pauseNode';
VideoNode.play();
}
else{
//console.log(2);
PlayNode.className = 'playNode';
VideoNode.pause();
}
};
return false;
};
</script>
</body>
</html>上述就是小編為大家分享的怎么在HTML5中自定義一個視頻播放器了，如果剛好有類似的疑惑，不妨參照上述分析進行理解。如果想知道更多相關知識，歡迎關注億速云行業(yè)資訊頻道。
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