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数字递增特效

数字递增特效

作者: 请叫我小胖纸_7ad5 | 来源:发表于2018-04-27 14:14 被阅读0次
    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>
    
    

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          本文标题:数字递增特效

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