1.首先展示一下弹幕视频弹幕原图，事实说话
2.代码展示
1>html代码展示
<div class=barrage> <video id=myvideo autoplay loop width=100% height=300px> <source src=video/1.mp4> </video> <div class=screen> <div class=content> <!--内容在这里显示--> </div> </div> <!--发送对话框--> <div class=send> <input type=text class=s_text placeholder=使用回车可以快速发送弹幕/> <input type=button class=s_btn value=发送 /> <!--关闭弹幕功能--> <span class=barrage_close>关闭弹幕</span> <!-- 静音功能 --> <span id=muted>开启静音</span> </div> </div>
2>css代码展示
*{ padding: 0; margin: 0;}input{ outline: none;}.barrage { position: relative; width: 100%; height:250px;}#myvideo{ position: absolute; /* width: 100%; height:300px; */ top: -50px; left: 0; z-index: -1;}.barrage .screen { position: absolute; top: 0px; right: 0px; width: 100%; height: 300px;}.barrage .screen .content { position: relative; width: 100%; height: 250px; background: #000; opacity:0.5; /* filter: alpha(opacity=100); *//***针对ie8以上或者更早的浏览器****/ background-color: transparent; z-index: 1;}.barrage .screen .content div { position: absolute; font-size: 20px; font-weight: bold; white-space: nowrap; line-height: 40px; z-index: 40;}.barrage .send { position: absolute; bottom: 0px; width: 100%; height: 55px; line-height: 55px; z-index: 1; /*background: #000;*/ background: rgba(0,0,0,0.5); text-align: center; /*display: none;*/}.barrage:hover .send{ display: block;}.barrage .send .s_text { width: 60%; height: 35px; line-height:35px; font-size: 16px; font-family: 微软雅黑; border-radius:20px; opacity: 0.8;}.barrage .send .s_btn { width: 105px; height: 35px; line-height: 35px; background: #22B14C; color: #fff; border-radius: 10px; opacity: 0.8;}.barrage_close,#muted { width: 80px; height: 30px; line-height: 30px; border-radius: 10px; text-align: center; color: #22B14C; background:#fff; cursor: pointer; opacity: 0.8;}#muted{ background:yellow;}.barrage_close1{ color: #fff; background: #fff;}/* css动画 */.content div{ animation:Text 15s infinite normal;}@keyframes Text{ 0%{ left:100%; } 20%{ left:75%; } 80%{ left:0%; } 100%{ left:-30%; }}3>js代码展示
$(function () { $(.barrage_close).click(function(){ $(.content div).remove(); }); init_barrage();});//将弹幕内容放进数组贮存起来var arr=[];var h=arr.push();// 监听发送，按enter发送document.οnkeydοwn=function(event){ var e = event || window.event; if(e && e.keyCode==13){ // console.log(11111); $(.send .s_btn).click(); } };//提交评论$(.send .s_btn).click(function () { var text = $(.s_text).val(); if (text == ) { alert('你的内容为空，请填写评论在再发送'); return false; } var _lable = $(<div style='right:20px;top:0px;opacity:1;color: + getColor() + ;'class='content_text'> + text + </div>); $(.content).append(_lable.show()); init_barrage(); $(.s_text).val();});//初始化弹幕技术function init_barrage() { var _top = 0; $(.content div).show().each(function () { var _left =$(.barrage).width();//浏器览最大宽度（也是浏览器的高度），作为定位left的值 console.log(_left); var _height =$(.barrage).height();//视频窗口的最大高度 console.log(_height); _top += 35; if (_top >= (_height - 150)) { _top = 0; } $(this).css({ left: _left, top: _top, color: getColor() }); //定时弹出文字 // var time = 10000; // if ($(this).index() % 2 == 0) { // time = 15000; // } // $(this).animate({ left: - + _left + px }, time, function () { // $(this).remove(); // }); });}//获取随机颜色function getColor() { return '#' + (function (h) { return new Array(7 - h.length).join(0) + h }) ((Math.random() * 0x1000000 << 0).toString(16))}var video=document.getElementById(myvideo);var mute=document.getElementById(muted);console.log(muted);//设置视频播放速度// video.playbackRate = 0.5;//视频静音video.muted = false;mute.οnclick=function(){ if(video.muted){ video.muted = false; mute.innerText=''; mute.innerText = '开启静音'; // console.log(1111) }else{ video.muted = true; mute.innerText=''; mute.innerText = '关闭静音'; // console.log(2222) }}3.代码效果演示
<a style="margin: 0px; padding: 0px; outline: none; line-height: 25.2px; font-size: 14px; width: 660px; overflow: hidden; clear: both; font-family: tahoma, arial, Microsoft YaHei;"><div class=barrage> <video id=myvideo autoplay loop width=100% height=300px> <source src=video/1.mp4> </video></div><style> .barrage { position: relative; width: 100%; height:250px;}#myvideo{ position: absolute; /* width: 100%; height:300px; */ top: -50px; left: 0; z-index: -1;}</style>总结以上所述是小编给大家介绍的HTML5实现视频弹幕功能 ,希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对VeVb武林网网站的支持！
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