数字递增特效
2018-04-27 本文已影响0人
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number.png
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
*{
padding: 0;
margin: 0;
list-style: none;
}
/* 成长比率 */
#ratio{
width: 1000px;
height: 215px;
margin: 0 auto;
position: relative;
}
#ratio .growth_ratio{
position: absolute;
top: -20%;
}
#ratio .growth_ratio dl{
width: 200px;
height: 215px;
float: left;
box-shadow: 0 0 10px #ccc;
margin: 0 66px;
}
#ratio .growth_ratio dl dt {
height: 130px;
background: #fdbf06;
color: #494949;
font-size: 59px;
text-align: center;
line-height: 130px;
font-family: "LiSu";
}
#ratio .growth_ratio dl > i {
display: inline-block;
font-size: 23px;
display: block;
margin-top: -38%;
margin-left: 68%;
font-size: 30px;
color: #494949;
}
#ratio .growth_ratio dl:nth-child(2) dd button{
margin-top: 30%;
}
#ratio .growth_ratio dl dd button {
display: block;
width: 146px;
height: 35px;
border-radius: 15px;
margin: 22px auto;
color: #FCB546;
font-size: 18px;
text-align: center;
line-height: 35px;
background: none;
border: none;
-moz-box-shadow:0px 2px 6px #ccc inset;
-webkit-box-shadow:0px 2px 6px #ccc inset;
box-shadow:0px 2px 6px #ccc inset;
outline: none;
}
#ratio .growth_ratio dl dd button i {
display: inline-block;
font-size: 12px;
}
/* 成长比率 */
</style>
</head>
<body>
<!-- 成长比率 -->
<section id="ratio">
<div class="growth_ratio">
<dl>
<dt class="timer count-title" id="count-number" data-to="16" data-speed="1500">16</dt>
<dd><button>成立年限<i>( 年 )</i></button></dd>
</dl>
<dl>
<dt class="timer count-title" id="count-number" data-to="99" data-speed="1500">99</dt>
<i>%</i>
<dd><button>本科上线率</button></dd>
</dl>
<dl>
<dt class="timer count-title" id="count-number" data-to="568" data-speed="1500">568</dt>
<dd><button>免费讲座<i>( 场 )</i></button></dd>
</dl>
</div>
</section>
<!-- 成长比率 -->
</body>
<script type="text/javascript" src="../../static/js/jquery-1.8.3.min.js"></script>
<script>
$.fn.countTo = function (options) {
options = options || {};
return $(this).each(function () {
// set options for current element
var settings = $.extend({}, $.fn.countTo.defaults, {
from: $(this).data('from'),
to: $(this).data('to'),
speed: $(this).data('speed'),
refreshInterval: $(this).data('refresh-interval'),
decimals: $(this).data('decimals')
}, options);
// how many times to update the value, and how much to increment the value on each update
var loops = Math.ceil(settings.speed / settings.refreshInterval),
increment = (settings.to - settings.from) / loops;
// references & variables that will change with each update
var self = this,
$self = $(this),
loopCount = 0,
value = settings.from,
data = $self.data('countTo') || {};
$self.data('countTo', data);
// if an existing interval can be found, clear it first
if (data.interval) {
clearInterval(data.interval);
}
data.interval = setInterval(updateTimer, settings.refreshInterval);
// initialize the element with the starting value
render(value);
function updateTimer() {
value += increment;
loopCount++;
render(value);
if (typeof(settings.onUpdate) == 'function') {
settings.onUpdate.call(self, value);
}
if (loopCount >= loops) {
// remove the interval
$self.removeData('countTo');
clearInterval(data.interval);
value = settings.to;
if (typeof(settings.onComplete) == 'function') {
settings.onComplete.call(self, value);
}
}
}
function render(value) {
var formattedValue = settings.formatter.call(self, value, settings);
$self.html(formattedValue);
}
});
};
$.fn.countTo.defaults = {
from: 0, // the number the element should start at
to: 0, // the number the element should end at
speed: 1000, // how long it should take to count between the target numbers
refreshInterval: 100, // how often the element should be updated
decimals: 0, // the number of decimal places to show
formatter: formatter, // handler for formatting the value before rendering
onUpdate: null, // callback method for every time the element is updated
onComplete: null // callback method for when the element finishes updating
};
function formatter(value, settings) {
return value.toFixed(settings.decimals);
}
// custom formatting example
$('#count-number').data('countToOptions', {
formatter: function (value, options) {
return value.toFixed(options.decimals).replace(/\B(?=(?:\d{3})+(?!\d))/g, ',');
}
});
// start all the timers
$('.timer').each(count);
function count(options) {
var $this = $(this);
options = $.extend({}, options || {}, $this.data('countToOptions') || {});
$this.countTo(options);
}
</script>
</html>
