barrage.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>畅移2020年会盛典</title>
<style>
* {padding: 0;margin: 0;}
html, body {padding: 0;margin: 0;height:100%;overflow: hidden;}
img {display: block;}
.container {width: 100%;height: 100%;}
.bg-left {background: #000 url('./img/pc/barrage_bg1.png') no-repeat center;background-size: 411px 110px;}
.bg-right {background: rgba(0, 0, 0, .9) url('./img/pc/barrage_bg2.png') no-repeat;background-size: cover;}
</style>
</head>
<body>
<div class="container" id="container"></div>
<script src="./js/jquery.min.js"></script>
<script src="./js/danmaku.min.js"></script>
<script src="//cdn.bootcss.com/socket.io/2.0.3/socket.io.js"></script>
<script>
var getQueryString = function(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
var r = window.location.search.substr(1).match(reg);
if (r != null) {
var value = unescape(r[2]);
if (value.indexOf('?') !== -1) {
value = value.substring(0, value.indexOf('?'));
}
return value;
}
return null;
};
var position = getQueryString('position');
if (position == 1) {
$('.container').addClass('bg-left');
} else {
$('.container').addClass('bg-right');
}
var colors = ['#FFD590', '#FFFFFF', '#DE452D'];
var danmaku = new Danmaku();
danmaku.init({
container: document.getElementById('container')
});
var socket = io('//10.1.1.93:3000');
socket.on('barrage', function(msg) {
console.log('socket.on: ', msg);
var colorIndex = parseInt(Math.random() * (2 - 0 + 1), 10); // 生成 0-2 随机数
var topNum = parseInt(Math.random() * (20 - 1 + 1), 10); // 生成 1-30 随机数
var comment = {
text: msg,
style: {
fontSize: '30px',
fontWeight: '500',
color: colors[colorIndex],
top: topNum * 30 + 'px'
},
speed: 144
};
danmaku.emit(comment);
});
</script>
</body>
</html>