h5 html5 模拟时钟
<!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>