html5 自制播放器

代码实例：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>无标题文档</title>
    <style>
        *{margin:0; padding:0;}
        #div1{300px; height:30px; background:#666; overflow:hidden; position:relative;}
        #div2{60px; height:30px; background:red; position:absolute; left:0; top:0;}

        #div3{300px; height:10px; background:#666; overflow:hidden; position:relative;top:10px;}
        #div4{60px; height:10px; background:yellow; position:absolute; left:240px;top:0;}

    </style>
    <script>

        window.onload= function(){
            var oV = document.getElementById('v1');
            var aInput = document.getElementsByTagName('input');
            var oDiv1 = document.getElementById('div1');
            var oDiv2 = document.getElementById('div2');
            var oDiv3 = document.getElementById('div3');
            var oDiv4 = document.getElementById('div4');
            var disX = 0;
            var disX2 = 0;
            var timer = null;
            aInput[0].onclick = function(){

                if( oV.paused ){//如果是暂停的
                    oV.play();
                    this.value = '暂停';
                    nowTime();
                    timer =setInterval(nowTime,1000);
                }
                else{
                    oV.pause();
                    this.value = '播放';
                    clearInterval(timer);
                }

            };
            aInput[2].value = changeTime(oV.duration);
            aInput[3].onclick = function(){


                if( oV.muted ){

                    oV.volume = 1;

                    this.value = '静音';

                    oV.muted = false;

                }
                else{

                    oV.volume = 0;

                    this.value = '取消静音';

                    oV.muted = true;

                }

            };
            aInput[4].onclick = function(){
                oV.mozRequestFullScreen();
            };
            function nowTime(){

                aInput[1].value =changeTime(oV.currentTime);
                //获取比例
                var scale =oV.currentTime/oV.duration;
                //设置位置
                oDiv2.style.left = scale * 240 +'px';

            }
            function changeTime(iNum){

                iNum = parseInt( iNum );

                var iH =toZero(Math.floor(iNum/3600));
                var iM =toZero(Math.floor(iNum%3600/60));
                var iS = toZero(Math.floor(iNum%60));

                return iH + ':' +iM + ':' + iS;

            }
            function toZero(num){
              if(num<=9) {
                  return '0'+num;

              }
                else{
                    return '' + num;
                }
            }
            oDiv2.onmousedown = function(ev){
                var ev = ev || window.event;
                disX = ev.clientX - oDiv2.offsetLeft;

                document.onmousemove = function(ev){
                    var ev = ev || window.event;
                    var L = ev.clientX - disX;
                    if(L<0){
                        L = 0;
                    }
                    else if(L>oDiv1.offsetWidth - oDiv2.offsetWidth){
                        L = oDiv1.offsetWidth- oDiv2.offsetWidth;
                    }

                    oDiv2.style.left = L + 'px';

                    //找出0到1的比例
                    var scale =L/(oDiv1.offsetWidth - oDiv2.offsetWidth);
                    //得到拖拽后当前的时间
                    oV.currentTime = scale *oV.duration;
                    //让当前时间更新
                    nowTime();

                };
                document.onmouseup = function(){
                    document.onmousemove = null;
                };
                return false;
            };
            oDiv4.onmousedown = function(ev){
                var ev = ev || window.event;
                disX2 = ev.clientX -oDiv4.offsetLeft;

                document.onmousemove = function(ev){
                    var ev = ev || window.event;

                    var L = ev.clientX - disX2;

                    if(L<0){
                        L = 0;
                    }
                    else if(L>oDiv3.offsetWidth - oDiv4.offsetWidth){
                        L =oDiv3.offsetWidth - oDiv4.offsetWidth;
                    }

                    oDiv4.style.left = L + 'px';

                    var scale =L/(oDiv3.offsetWidth - oDiv4.offsetWidth);
                    oV.volume = scale;

                };
                document.onmouseup = function(){
                    document.onmousemove = null;
                };
                return false;
            };
        };

    </script>
</head>

<body>
<video id="v1" >


<source src="陈奕迅 - 陪你度过漫长岁月.mp4"  ></source>

</video><br/>
<input type="button" value="播放" />
<input type="button" value="00:00:00" />
<input type="button" value="00:00:00" />
<input type="button" value="静音" />
<input type="button" value="全屏" />
<div id="div1">
<div id="div2">
</div>
</div>
<div id="div3">
<div id="div4"></div>
</div>

</body>
</html>

2017-09-03 23:07:12

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原文地址：https://www.cnblogs.com/guangzhou11/p/7471646.html