h5 html5 模拟时钟页面

<!DOCTYPE html>

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

 <meta name="viewport" content="width=device-width, initial-scale=1">

 <title>time</title>

</head>

<body>

<style>

    body {

        background: black;

    }

    .clock {

        position: absolute;

        opacity: 1;

    }

    .fill .clock {

        left: 50%;

        top: 50%;

    }

    .centre {

        position: absolute;

        top: 50%;

        left: 50%;

        width: 0;

        height: 0;

    }

    .expand {

        position: absolute;

        top: 0;

        left: 0;

        transform: translate(-50%, -50%);

    }

    .anchor {

        position: absolute;

        top: 0;

        left: 0;

        width: 0;

        height: 0;

    }

    .element {

        position: absolute;

        top: 0;

        left: 0;

    }

    .round {

        border-radius: 296px;

    }

    .circle-1 {

        background: white;

        width: 12px;

        height: 12px;

    }

    .circle-2 {

        background: #FA9F22;

        width: 8px;

        height: 8px;

    }

    .circle-3 {

        background: black;

        width: 4px;

        height: 4px;

    }

    .second {

        transform: rotate(180deg);

    }

    .minute {

        transform: rotate(54deg);

    }

    .second-hand {

        width: 2px;

        height: 164px;

        background: #FA9F22;

        transform: translate(-50%,-100%) translateY(24px);

    }

    .hour {

        transform: rotate(304.5deg);

    }

    .thin-hand {

        width: 4px;

        height: 50px;

        background: white;

        transform: translate(-50%,-100%);

    }

    .fat-hand {

        width: 10px;

        height: 57px;

        border-radius: 10px;

        background: white;

        transform: translate(-50%,-100%) translateY(-18px);

    }

    .minute-hand {

        height: 112px;

    }

    .hour-text {

        position: absolute;

        font: 40px Hei, Helvetica, Arial, sans-serif;

        color: white;

        transform: translate(-50%,-50%);

    }

    .hour-10 {

        padding-left: 0.4ex;

    }

    .hour-11 {

        padding-left: 0.25ex;

    }

    .minute-text {

        position: absolute;

        font: 12px Avenir Next, Helvetica, Arial, sans-serif;

        color: white;

        transform: translate(-50%,-50%);

    }

    .minute-line {

        background: white;

        width: 1px;

        height: 9px;

        transform: translate(-50%,-100%) translateY(-131px);

        opacity: 0.34;

    }

</style>

<div class="fill">

    <div class="reference"></div>

    <div class="clock" id="utility-clock" style="transform: scale(1.972);">

        <div class="centre">

            <div class="dynamic"><div class="anchor" style="transform: rotate(6deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(12deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(18deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(24deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: -116.9px; left: 67.5px;">05</div><div class="anchor" style="transform: rotate(36deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(42deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(48deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(54deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: -67.5px; left: 116.9px;">10</div><div class="anchor" style="transform: rotate(66deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(72deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(78deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(84deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: 0px; left: 135px;">15</div><div class="anchor" style="transform: rotate(96deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(102deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(108deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(114deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: 67.5px; left: 116.9px;">20</div><div class="anchor" style="transform: rotate(126deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(132deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(138deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(144deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: 116.9px; left: 67.5px;">25</div><div class="anchor" style="transform: rotate(156deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(162deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(168deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(174deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: 135px; left: 0px;">30</div><div class="anchor" style="transform: rotate(186deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(192deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(198deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(204deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: 116.9px; left: -67.5px;">35</div><div class="anchor" style="transform: rotate(216deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(222deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(228deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(234deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: 67.5px; left: -116.9px;">40</div><div class="anchor" style="transform: rotate(246deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(252deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(258deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(264deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: 0px; left: -135px;">45</div><div class="anchor" style="transform: rotate(276deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(282deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(288deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(294deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: -67.5px; left: -116.9px;">50</div><div class="anchor" style="transform: rotate(306deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(312deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(318deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(324deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: -116.9px; left: -67.5px;">55</div><div class="anchor" style="transform: rotate(336deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(342deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(348deg);"><div class="element minute-line"></div></div><div class="anchor" style="transform: rotate(354deg);"><div class="element minute-line"></div></div><div class="minute-text" style="top: -135px; left: 0px;">60</div><div class="hour-text hour-1" style="top: -90.9px; left: 52.5px;">1</div><div class="hour-text hour-2" style="top: -52.5px; left: 90.9px;">2</div><div class="hour-text hour-3" style="top: 0px; left: 105px;">3</div><div class="hour-text hour-4" style="top: 52.5px; left: 90.9px;">4</div><div class="hour-text hour-5" style="top: 90.9px; left: 52.5px;">5</div><div class="hour-text hour-6" style="top: 105px; left: 0px;">6</div><div class="hour-text hour-7" style="top: 90.9px; left: -52.5px;">7</div><div class="hour-text hour-8" style="top: 52.5px; left: -90.9px;">8</div><div class="hour-text hour-9" style="top: 0px; left: -105px;">9</div><div class="hour-text hour-10" style="top: -52.5px; left: -90.9px;">10</div><div class="hour-text hour-11" style="top: -90.9px; left: -52.5px;">11</div><div class="hour-text hour-12" style="top: -105px; left: 0px;">12</div></div>

            <div class="expand round circle-1"></div>

            <div class="anchor hour" style="transform: rotate(352.686deg);">

                <div class="element thin-hand"></div>

                <div class="element fat-hand"></div>

            </div>

            <div class="anchor minute" style="transform: rotate(4232.24deg);">

                <div class="element thin-hand"></div>

                <div class="element fat-hand minute-hand"></div>

            </div>

            <div class="anchor second" style="transform: rotate(253934deg);">

                <div class="element second-hand"></div>

            </div>

            <div class="expand round circle-2"></div>

            <div class="expand round circle-3"></div>

        </div>

    </div>

</div>

<script>

    var clock = document.querySelector('#utility-clock')

    utilityClock(clock)

    if (clock.parentNode.classList.contains('fill')) autoResize(clock, 295 + 32)

    function utilityClock(container) {

        var dynamic = container.querySelector('.dynamic')

        var hourElement = container.querySelector('.hour')

        var minuteElement = container.querySelector('.minute')

        var secondElement = container.querySelector('.second')

        var minute = function(n) {

            return n % 5 == 0 ? minuteText(n) : minuteLine(n)

        }

        var minuteText = function(n) {

            var element = document.createElement('div')

            element.className = 'minute-text'

            element.innerHTML = (n < 10 ? '0' : '') + n

            position(element, n / 60, 135)

            dynamic.appendChild(element)

        }

        var minuteLine = function(n) {

            var anchor = document.createElement('div')

            anchor.className = 'anchor'

            var element = document.createElement('div')

            element.className = 'element minute-line'

            rotate(anchor, n)

            anchor.appendChild(element)

            dynamic.appendChild(anchor)

        }

        var hour = function(n) {

            var element = document.createElement('div')

            element.className = 'hour-text hour-' + n

            element.innerHTML = n

            position(element, n / 12, 105)

            dynamic.appendChild(element)

        }

        var position = function(element, phase, r) {

            var theta = phase * 2 * Math.PI

            element.style.top = (-r * Math.cos(theta)).toFixed(1) + 'px'

            element.style.left = (r * Math.sin(theta)).toFixed(1) + 'px'

        }

        var rotate = function(element, second) {

            element.style.transform = element.style.webkitTransform = 'rotate(' + (second * 6) + 'deg)'

        }

        var animate = function() {

            var now = new Date()

            var time = now.getHours() * 3600 +

                    now.getMinutes() * 60 +

                    now.getSeconds() * 1 +

                    now.getMilliseconds() / 1000

            rotate(secondElement, time)

            rotate(minuteElement, time / 60)

            rotate(hourElement, time / 60 / 12)

            requestAnimationFrame(animate)

        }

        for (var i = 1; i <= 60; i ++) minute(i)

        for (var i = 1; i <= 12; i ++) hour(i)

        animate()

    }

    function autoResize(element, nativeSize) {

        var update = function() {

            var scale = Math.min(window.innerWidth, window.innerHeight) / nativeSize

            element.style.transform = element.style.webkitTransform = 'scale(' + scale.toFixed(3) + ')'

        }

        update()

        window.addEventListener('resize', update)

    }

</script>

</body></html>

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