代码-时间

时钟代码
转载自 https://www.html.cn/texiao/date/306.html



<html lang="en" >
<head>
<meta charset="UTF-8">
<title>Flip Card Clocktitle>

	<style>
    body {
      
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.clock {
      
  display: flex;
}
.clock .divider {
      
  font-size: 66px;
  line-height: 102px;
  font-style: normal;
}
.clock .flip {
      
  position: relative;
  width: 60px;
  height: 100px;
  margin: 2px;
  font-size: 66px;
  line-height: 100px;
  text-align: center;
  background: white;
  border: 1px solid black;
  border-radius: 10px;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
}
.clock .flip .digital::before, .clock .flip .digital::after {
      
  position: absolute;
  content: attr(data-number);
  left: 0;
  right: 0;
  color: white;
  background: black;
  overflow: hidden;
  -webkit-perspective: 160px;
          perspective: 160px;
}
.clock .flip .digital::before {
      
  top: 0;
  bottom: 50%;
  border-bottom: 1px solid #666;
  border-radius: 10px 10px 0 0;
}
.clock .flip .digital::after {
      
  top: 50%;
  bottom: 0;
  line-height: 0;
  border-radius: 0 0 10px 10px;
}
.clock .flip .back::before,
.clock .flip .front::after {
      
  z-index: 1;
}
.clock .flip .back::after {
      
  z-index: 2;
}
.clock .flip .front::before {
      
  z-index: 3;
}
.clock .flip .back::after {
      
  -webkit-transform-origin: center top;
          transform-origin: center top;
  -webkit-transform: rotateX(0.5turn);
          transform: rotateX(0.5turn);
}
.clock .flip.running .front::before {
      
  -webkit-transform-origin: center bottom;
          transform-origin: center bottom;
  -webkit-animation: frontFlipDown 0.6s ease-in-out;
          animation: frontFlipDown 0.6s ease-in-out;
  box-shadow: 0 -2px 6px rgba(255, 255, 255, 0.3);
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
}
.clock .flip.running .back::after {
      
  -webkit-animation: backFlipDown 0.6s ease-in-out;
          animation: backFlipDown 0.6s ease-in-out;
}

@-webkit-keyframes frontFlipDown {
      
  to {
      
    -webkit-transform: rotateX(0.5turn);
            transform: rotateX(0.5turn);
  }
}

@keyframes frontFlipDown {
      
  to {
      
    -webkit-transform: rotateX(0.5turn);
            transform: rotateX(0.5turn);
  }
}
@-webkit-keyframes backFlipDown {
      
  to {
      
    -webkit-transform: rotateX(0);
            transform: rotateX(0);
  }
}
@keyframes backFlipDown {
      
  to {
      
    -webkit-transform: rotateX(0);
            transform: rotateX(0);
  }
}
  
  style>
head>
<body>

<div class="clock">
  <div class="flip">
    <div class="digital front" data-number="0">div>
    <div class="digital back" data-number="1">div>
  div>
  <div class="flip">
    <div class="digital front" data-number="0">div>
    <div class="digital back" data-number="1">div>
  div>
  <em class="divider">:em>
  <div class="flip">
    <div class="digital front" data-number="0">div>
    <div class="digital back" data-number="1">div>
  div>
  <div class="flip">
    <div class="digital front" data-number="0">div>
    <div class="digital back" data-number="1">div>
  div>
  <em class="divider">:em>
  <div class="flip">
    <div class="digital front" data-number="0">div>
    <div class="digital back" data-number="1">div>
  div>
  <div class="flip">
    <div class="digital front" data-number="0">div>
    <div class="digital back" data-number="1">div>
  div>
div>

<script>
  
  var Flipper = /** @class */ (function () {
      
    function Flipper(node, currentTime, nextTime) {
      
        this.isFlipping = false;
        this.duration = 600;
        this.flipNode = node;
        this.frontNode = node.querySelector(".front");
        this.backNode = node.querySelector(".back");
        this.setFrontTime(currentTime);
        this.setBackTime(nextTime);
    }
    Flipper.prototype.setFrontTime = function (time) {
      
        this.frontNode.dataset.number = time;
    };
    Flipper.prototype.setBackTime = function (time) {
      
        this.backNode.dataset.number = time;
    };
    Flipper.prototype.flipDown = function (currentTime, nextTime) {
      
        var _this = this;
        if (this.isFlipping) {
      
            return false;
        }
        this.isFlipping = true;
        this.setFrontTime(currentTime);
        this.setBackTime(nextTime);
        this.flipNode.classList.add("running");
        setTimeout(function () {
      
            _this.flipNode.classList.remove("running");
            _this.isFlipping = false;
            _this.setFrontTime(nextTime);
        }, this.duration);
    };
    return Flipper;
}());
var getTimeFromDate = function (date) {
      
    return date
        .toTimeString()
        .slice(0, 8)
        .split(":")
        .join("");
};
var flips = document.querySelectorAll(".flip");
var now = new Date();
var nowTimeStr = getTimeFromDate(new Date(now.getTime() - 1000));
var nextTimeStr = getTimeFromDate(now);
var flippers = Array.from(flips).map(function (flip, i) {
       return new Flipper(flip, nowTimeStr[i], nextTimeStr[i]); });
setInterval(function () {
      
    var now = new Date();
    var nowTimeStr = getTimeFromDate(new Date(now.getTime() - 1000));
    var nextTimeStr = getTimeFromDate(now);
    for (var i = 0; i < flippers.length; i++) {
      
        if (nowTimeStr[i] === nextTimeStr[i]) {
      
            continue;
        }
        flippers[i].flipDown(nowTimeStr[i], nextTimeStr[i]);
    }
}, 1000);
  script>

body>
html>```

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