HTML+CSS+JS实现 ❤️翻页倒计时ui特效❤️

       效果演示：

   代码目录：

主要代码实现：

CSS样式：

@charset "utf-8";
body {
    background-color: #f2f1ed;
}

.wrap {
    position: absolute;
    bottom: 0;
    top: 0;
    left: 0;
    right: 0;
    margin: auto;
    height: 310px;
}

a {
    text-decoration: none;
    color: #1a1a1a;
}

h1 {
    margin-bottom: 60px;
    text-align: center;
    font: 300 2.25em "Lato";
    text-transform: uppercase;
}

h1 strong {
    font-weight: 400;
    color: #ea4c4c;
}

h2 {
    margin-bottom: 80px;
    text-align: center;
    font: 300 0.7em "Lato";
    text-transform: uppercase;
}

h2 strong {
    font-weight: 400;
}

.countdown {
    width: 720px;
    margin: 0 auto;
}

.countdown .bloc-time {
    float: left;
    margin-right: 45px;
    text-align: center;
}

.countdown .bloc-time:last-child {
    margin-right: 0;
}

.countdown .count-title {
    display: block;
    margin-bottom: 15px;
    font: normal 1.24em "Lato";
    color: #1a1a1a;
    text-transform: uppercase;
}

.countdown .figure {
    position: relative;
    float: left;
    height: 110px;
    width: 100px;
    margin-right: 10px;
    background-color: #fff;
    border-radius: 8px;
    -moz-box-shadow: 0 3px 4px 0 rgba(0, 0, 0, 0.2), inset 2px 4px 0 0 rgba(255, 255, 255, 0.08);
    -webkit-box-shadow: 0 3px 4px 0 rgba(0, 0, 0, 0.2), inset 2px 4px 0 0 rgba(255, 255, 255, 0.08);
    box-shadow: 0 3px 4px 0 rgba(0, 0, 0, 0.2), inset 2px 4px 0 0 rgba(255, 255, 255, 0.08);
}

.countdown .figure:last-child {
    margin-right: 0;
}

.countdown .figure>span {
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    font: normal 5.94em/107px "Lato";
    font-weight: 700;
    color: #de4848;
}

.countdown .figure .top:after,
.countdown .figure .bottom-back:after {
    content: "";
    position: absolute;
    z-index: -1;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.countdown .figure .top {
    z-index: 3;
    background-color: #f7f7f7;
    transform-origin: 50% 100%;
    -webkit-transform-origin: 50% 100%;
    -moz-border-radius-topleft: 10px;
    -webkit-border-top-left-radius: 10px;
    border-top-left-radius: 10px;
    -moz-border-radius-topright: 10px;
    -webkit-border-top-right-radius: 10px;
    border-top-right-radius: 10px;
    -moz-transform: perspective(200px);
    -ms-transform: perspective(200px);
    -webkit-transform: perspective(200px);
    transform: perspective(200px);
}

.countdown .figure .bottom {
    z-index: 1;
}

.countdown .figure .bottom:before {
    content: "";
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background-color: rgba(0, 0, 0, 0.02);
}

.countdown .figure .bottom-back {
    z-index: 2;
    top: 0;
    height: 50%;
    overflow: hidden;
    background-color: #f7f7f7;
    -moz-border-radius-topleft: 10px;
    -webkit-border-top-left-radius: 10px;
    border-top-left-radius: 10px;
    -moz-border-radius-topright: 10px;
    -webkit-border-top-right-radius: 10px;
    border-top-right-radius: 10px;
}

.countdown .figure .bottom-back span {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    margin: auto;
}

.countdown .figure .top,
.countdown .figure .top-back {
    height: 50%;
    overflow: hidden;
    -moz-backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.countdown .figure .top-back {
    z-index: 4;
    bottom: 0;
    background-color: #fff;
    -webkit-transform-origin: 50% 0;
    transform-origin: 50% 0;
    -moz-transform: perspective(200px) rotateX(180deg);
    -ms-transform: perspective(200px) rotateX(180deg);
    -webkit-transform: perspective(200px) rotateX(180deg);
    transform: perspective(200px) rotateX(180deg);
    -moz-border-radius-bottomleft: 10px;
    -webkit-border-bottom-left-radius: 10px;
    border-bottom-left-radius: 10px;
    -moz-border-radius-bottomright: 10px;
    -webkit-border-bottom-right-radius: 10px;
    border-bottom-right-radius: 10px;
}

.countdown .figure .top-back span {
    position: absolute;
    top: -100%;
    left: 0;
    right: 0;
    margin: auto;
}

部分HTML代码 :

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title>倒计时</title>

    <script type="text/javascript" src="js/jquery.min.js"></script>

    <link type="text/css" href="css/style.css" rel="stylesheet" />

</head>

<body>

    <script type="text/javascript" src="js/TweenMax.min.js"></script>

    <div class="wrap">
        <h1>项目 <strong>倒计时</strong></h1>

        <div class="countdown">
            <div class="bloc-time hours" data-init-value="22">
                <span class="count-title">时</span>

                <div class="figure hours hours-1">
                    <span class="top">2</span>
                    <span class="top-back">
          <span>2</span>
                    </span>
                    <span class="bottom">2</span>
                    <span class="bottom-back">
          <span>2</span>
                    </span>
                </div>

                <div class="figure hours hours-2">
                    <span class="top">2</span>
                    <span class="top-back">
          <span>2</span>
                    </span>
                    <span class="bottom">2</span>
                    <span class="bottom-back">
          <span>2</span>
                    </span>
                </div>
            </div>

            <div class="bloc-time min" data-init-value="0">
                <span class="count-title">分</span>

                <div class="figure min min-1">
                    <span class="top">0</span>
                    <span class="top-back">
          <span>0</span>
                    </span>
                    <span class="bottom">0</span>
                    <span class="bottom-back">
          <span>0</span>
                    </span>
                </div>

                <div class="figure min min-2">
                    <span class="top">0</span>
                    <span class="top-back">
          <span>0</span>
                    </span>
                    <span class="bottom">0</span>
                    <span class="bottom-back">
          <span>0</span>
                    </span>
                </div>
            </div>

            <div class="bloc-time sec" data-init-value="0">
                <span class="count-title">秒</span>

                <div class="figure sec sec-1">
                    <span class="top">0</span>
                    <span class="top-back">
          <span>0</span>
                    </span>
                    <span class="bottom">0</span>
                    <span class="bottom-back">
          <span>0</span>
                    </span>
                </div>

                <div class="figure sec sec-2">
                    <span class="top">0</span>
                    <span class="top-back">
          <span>0</span>
                    </span>
                    <span class="bottom">0</span>
                    <span class="bottom-back">
          <span>0</span>
                    </span>
                </div>
            </div>
        </div>
    </div>

    <script type="text/javascript">
        // Create Countdown
        var Countdown = {

            // Backbone-like structure
            $el: $('.countdown'),

            // Params
            countdown_interval: null,
            total_seconds: 0,

            // Initialize the countdown  
            init: function() {

                // DOM
                this.$ = {
                    hours: this.$el.find('.bloc-time.hours .figure'),
                    minutes: this.$el.find('.bloc-time.min .figure'),
                    seconds: this.$el.find('.bloc-time.sec .figure')
                };

                // Init countdown values
                this.values = {
                    hours: this.$.hours.parent().attr('data-init-value'),
                    minutes: this.$.minutes.parent().attr('data-init-value'),
                    seconds: this.$.seconds.parent().attr('data-init-value'),
                };

                // Initialize total seconds
                this.total_seconds = this.values.hours * 60 * 60 + (this.values.minutes * 60) + this.values.seconds;

                // Animate countdown to the end 
                this.count();
            },

            count: function() {

                var that = this,
                    $hour_1 = this.$.hours.eq(0),
                    $hour_2 = this.$.hours.eq(1),
                    $min_1 = this.$.minutes.eq(0),
                    $min_2 = this.$.minutes.eq(1),
                    $sec_1 = this.$.seconds.eq(0),
                    $sec_2 = this.$.seconds.eq(1);

                this.countdown_interval = setInterval(function() {

                    if (that.total_seconds > 0) {

                        --that.values.seconds;

                        if (that.values.minutes >= 0 && that.values.seconds < 0) {

                            that.values.seconds = 59;
                            --that.values.minutes;
                        }

                        if (that.values.hours >= 0 && that.values.minutes < 0) {

                            that.values.minutes = 59;
                            --that.values.hours;
                        }

                        // Update DOM values
                        // Hours
                        that.checkHour(that.values.hours, $hour_1, $hour_2);

                        // Minutes
                        that.checkHour(that.values.minutes, $min_1, $min_2);

                        // Seconds
                        that.checkHour(that.values.seconds, $sec_1, $sec_2);

                        --that.total_seconds;
                    } else {
                        clearInterval(that.countdown_interval);
                    }
                }, 1000);
            },

            animateFigure: function($el, value) {

                var that = this,
                    $top = $el.find('.top'),
                    $bottom = $el.find('.bottom'),
                    $back_top = $el.find('.top-back'),
                    $back_bottom = $el.find('.bottom-back');

                // Before we begin, change the back value
                $back_top.find('span').html(value);

                // Also change the back bottom value
                $back_bottom.find('span').html(value);

                // Then animate
                TweenMax.to($top, 0.8, {
                    rotationX: '-180deg',
                    transformPerspective: 300,
                    ease: Quart.easeOut,
                    onComplete: function() {

                        $top.html(value);

                        $bottom.html(value);

                        TweenMax.set($top, {
                            rotationX: 0
                        });
                    }
                });

                TweenMax.to($back_top, 0.8, {
                    rotationX: 0,
                    transformPerspective: 300,
                    ease: Quart.easeOut,
                    clearProps: 'all'
                });
            },

            checkHour: function(value, $el_1, $el_2) {

                var val_1 = value.toString().charAt(0),
                    val_2 = value.toString().charAt(1),
                    fig_1_value = $el_1.find('.top').html(),
                    fig_2_value = $el_2.find('.top').html();

                if (value >= 10) {

                    // Animate only if the figure has changed
                    if (fig_1_value !== val_1) this.animateFigure($el_1, val_1);
                    if (fig_2_value !== val_2) this.animateFigure($el_2, val_2);
                } else {

                    // If we are under 10, replace first figure with 0
                    if (fig_1_value !== '0') this.animateFigure($el_1, 0);
                    if (fig_2_value !== val_1) this.animateFigure($el_2, val_1);
                }
            }
        };

        // Let's go !
        Countdown.init();
    </script>

</body>

</html>

上面的jquery.min.js和TweenMax.min.js需要引入即可运行

源码获取

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