jquery實現直播視訊彈幕效果
阿新 • • 發佈：2020-02-27
JQ實現彈幕效果，快來吐糟你的想法吧
程式碼如下，複製即可使用：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>JQ實現彈幕效果</title>
<style type="text/css">
*{
padding: 0;
margin: 0;
}
#box{
height:700px;
width:1000px;
margin: 0 auto;
border:1px solid #000000;
position: relative;
}
#main{
width:100%;
height:605px;
position: relative;
overflow: hidden;
}
p{
position: absolute;
left:1000px;
width:200px;
top:0;
}
#bottom{
width:100%;
height:80px;
background: #ABCDEF;
text-align: center;
padding-top: 15px;
position: absolute;
left: 0;
bottom: 0;
}
#txt{
width:300px;
height:50px;
}
#btn{
width:100px;
height:50px;
}
</style>
</head>
<body>
<div id="box">
<div id="main">
</div>
<div id="bottom">
<input type="text" id="txt" placeholder="請輸入內容" />
<input type="button" id="btn" value="發射" />
</div>
</div>
<script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script>
<script type="text/javascript">
$(function(){
var pageH=parseInt($("#main").height());
var colorArr=["#cfaf12","#12af01","#981234","#adefsa","#db6be4","#f5264c","#d34a74"];
$("#btn").bind("click",auto);
document.onkeydown=function(e){
if(e.keyCode == 13){
auto();
}
};
function auto(){
var $value = $("#txt").val();
$("#main").append("<p>" + $value + "</p>");
$("#txt").val("");
var _top=parseInt(pageH*(Math.random()));
var num=parseInt(colorArr.length*(Math.random()));
$("p:last-child").css({"top":_top,"color":colorArr[num],"font-size":"20px"});
$("p:last-child").animate({"left":"-200px"},10000);
$("p:last-child").stop().animate({"left":"-300px"},10000,"linear",function(){
$(this).remove();
});
//console.log($value);
};
})
</script>
</body>
</html>例項擴充套件：
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
html,body {
margin: 0px;
padding: 0px;
width: 100%;
height: 100%;
font-family: "微軟雅黑";
font-size: 62.5%;
}
.boxDom {
width: 100%;
height: 100%;
position: relative;
overflow: hidden;
}
.idDom {
width: 100%;
height: 10%;
background: #666;
position: fixed;
bottom: 0px;
}
.content {
display: inline-block;
width: 460px;
height: 40px;
position: absolute;
left: 0px;
right: 0px;
top: 0px;
bottom: 0px;
margin: auto;
}
.title {
display: inline;
font-size: 4em;
vertical-align: bottom;
color: #fff;
}
.text {
border: none;
width: 300px;
height: 30px;
border-radius: 5px;
font-size: 2.4em;
}
.btn {
width: 60px;
height: 30px;
background: #f90000;
border: none;
color: #fff;
font-size: 2.4em;
}
span {
height: 40px;
position: absolute;
overflow: hidden;
color: #000;
font-size: 4em;
line-height: 1.5em;
cursor: pointer;
white-space: nowrap;
}
#boxDom video{
width: 80%;
height: 90%;
float: left;
}
#boxDom .list-info{
width: 20%;
height: 90%;
float: left;
background-color: #666;
overflow-y: auto;
overflow-x: hidden;
position: relative;
z-index: 999;
}
.list-info p{
font-size: 15px;
line-height: 20px;
border-bottom: 1px dashed #ccc;
text-indent: 2em;
color: #fff;
}
</style>
</head>
<body>
<div class="boxDom" id="boxDom">
<video controls="controls" src="movie/10_2fdd2bbcd15c68497744f07d4527cef2_3.mp4"></video>
<div class="list-info"> </div>
<div class="idDom" id="idDom">
<div class="content">
<p class="title">吐槽:</p>
<input type="text" class="text" id="text"/>
<button type="button" class="btn" id="btn">發射</button>
</div>
</div>
</div>
<script src="js/jquery-1.12.4.js"></script>
<script>
//生成隨機顏色
var randomColor=function(){
var r= Math.floor(Math.random()*257);
var g= Math.floor(Math.random()*257);
var b= Math.floor(Math.random()*257);
return "rgb("+r+","+g+","+b+")";
}
//定義陣列儲存彈幕
var saveDan=[],index=0,tm;
//彈幕自動移動方法
var autoAnimate=function(){
index++;
index>saveDan.length-1 && (index=0);
saveDan[index].appendTo($("#boxDom")).animate({
"right":$(document).width(),},function () {
$(this).css("right",$(".list-info").width()-$(this).width()).remove();
});
}
//點選建立彈幕
$("#btn").click(function () {
var txt=$("#text");
var randomTop=Math.floor(Math.random()*($("#boxDom video").height()-40));
if(txt.val().trim().length==0)return;
var span= $("<span></span>").text(txt.val()).css({
"color":randomColor(),"top":randomTop,"right":$(".list-info").width(),"z-index":888
});
saveDan.unshift(span);//將新的彈幕新增到陣列內容的前面
//新增彈幕列表
$("<p></p>").text(txt.val()).css("color",randomColor()).prependTo($(".list-info"));
txt.val("");//清空文字框
//自動跑起來
clearInterval(tm);
index=saveDan.length-1
tm=setInterval(autoAnimate,1000);
});
//enter鍵確認傳送
$(document).keydown(function (e) {
var e=e||window.event;
e.keyCode==13 && ($("#btn").click());
});
</script>
</body>
</html>到此這篇關於jquery實現直播視訊彈幕效果的文章就介紹到這了,更多相關JQ實現彈幕效果內容請搜尋我們以前的文章或繼續瀏覽下面的相關文章希望大家以後多多支援我們！