jQuery自定义数字滚动效果

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效果图:

jQuery自定义数字滚动效果

一、html代码

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8"/>
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
    <!--优先使用 IE 最新版本和 Chrome-->
    <meta name="renderer" content="webkit"/>
    <meta name="keywords" content="Title"/>
    <link href="css/globle.css" rel="stylesheet">
	
    <script type="text/javascript" src="js/jquery.min.js"></script>
    <script type="text/javascript" src="js/num.js"></script>
	
    <title>数字滚动</title>
</head>
<body>

    <div id="dataNums"> </div>
    <div id="dataNums2"> </div>
	
<script>
    $(function(){
        $("#dataNums").rollNumDaq({
            deVal:16888
        });

    });
</script>

</body>
</html>复制代码

二、css代码

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, dd, dl, dt, li, ol, ul,input,select,button,textarea,tr,td{ padding:0; margin:0; border:none;}
input,button,select,textarea,a,img{outline:none; }/*去掉超链接或按钮点击时出现的虚线框黄色边框*/
::-moz-focus-inner{border:0px;}/*火狐的私有属性去掉点击时边框*/
body,html{ width:100%; font-family:"Microsoft YaHei","Arial", "SimSun";}
ul, ul li, ol li, li {	list-style:none;}
a, img, input, textarea {border:none;}
a {
    text-decoration: none;
}
table {	border-collapse: collapse;border-spacing:0;}
.clearfix:after {visibility: hidden;display: block;font-size: 0;content: ".";clear: both;height: 0;}
* html .clearfix {zoom: 1;}
*:first-child + html .clearfix {zoom: 1;}
.fl {	float:left;}
.fr {	float:right;}
.none{	display:none;}

.inrow{font-size:0;[;font-size:12px;];*font-size:0;font-family:arial;[;letter-spacing:-3px;];*letter-spacing:normal;*word-spacing:-1px;}
.inrow>li,.inrow span{display:inline-block;*display:inline;*zoom:1;font-size:14px;letter-spacing:normal;word-spacing:normal; }
.dataNums{position: absolute; top:50%; display: block; width:100%; height:75px; margin-top: -37px; text-align:center;}
.dataNums .dataOne{ width:61px; height:75px; margin: 0px 3px; text-align: center; background: url(../images/num-bg.png) no-repeat;}
.dataNums .dataBoc {position: relative; width: 100%; height: 100%; overflow: hidden;}
.dataNums .dataBoc .tt {position: absolute; top: 0;  left: 0; width: 100%;  height: 100%;}
.dataNums .tt span{width:100%;height:100%; font:bold 54px/75px "Arial";color:#ddf0ff;}
复制代码

三、js代码

//数字滚动
;(function($, window, document) {
    "use strict";
    var defaults = {
        deVal: 0,       //传入值
        className:'dataNums',   //样式名称
        digit:''    //默认显示几位数字
    };
    function rollNumDaq(obj, options){
        this.obj = obj;
        this.options = $.extend(defaults, options);
        this.init = function(){
             this.initHtml(obj,defaults);
        }
    }
    rollNumDaq.prototype = {
        initHtml: function(obj,options){
            var strHtml = '<ul class="' + options.className + ' inrow">';
            var valLen = options.digit ||  (options.deVal + '').length;
            if(obj.find('.'+options.className).length <= 0){
                for(var i = 0; i<  valLen; i++){
                    strHtml += '<li class="dataOne "><div class="dataBoc"><div class="tt" t="38"><span class="num0">0</span> <span class="num1">1</span> <span class="num2">2</span> <span class="num3">3</span> <span class="num4">4</span><span class="num5">5</span> <span class="num6">6</span> <span class="num7">7</span> <span class="num8">8</span> <span class="num9">9</span><span class="num0">0</span> <span class="num1">1</span> <span class="num2">2</span> <span class="num3">3</span> <span class="num4">4</span><span class="num5">5</span> <span class="num6">6</span> <span class="num7">7</span> <span class="num8">8</span> <span class="num9">9</span></div></div></li>';
                }
                strHtml += '</ul>';
                obj.html(strHtml);
            }
            this.scroNum(options);
        },
        scroNum: function(options){
            var number = options.deVal;
            var $num_item = $('.' + options.className).find('.tt');
            var h = $('.dataBoc').height();
            $num_item.css('transition','all 2s ease-in-out');
            var numberStr = number.toString();
            if(numberStr.length <= $num_item.length - 1){
                var tempStr = '';
                for(var a = 0; a < $num_item.length - numberStr.length; a++){
                    tempStr += '0';
                }
                numberStr = tempStr + numberStr;
            }

            var numberArr = numberStr.split('');
            $num_item.each(function(i, item) {
                setTimeout(function(){
                    $num_item.eq(i).css('top',-parseInt(numberArr[i])*h - h*10 + 'px');
                },i*100)
            });
        }
    }
    $.fn.rollNumDaq = function(options){
        var $that = this;
        var rollNumObj = new rollNumDaq($that, options);
        rollNumObj.init();
    };
})(jQuery, window, document);复制代码
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