react实现圆环进度天时分秒倒计时效果代码-html代码-BFW代码库

react实现圆环进度天时分秒倒计时效果代码

代码语言：html

所属分类：动画

代码描述：react实现圆环进度天时分秒倒计时效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">

  
<style>
@import url('https://fonts.googleapis.com/css?family=Lato');

* {
	box-sizing: border-box;
}

body {
	background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
	
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;

	min-height: 100vh;
	font-family: 'Lato', sans-serif;
	margin: 0;
}

h1 {
	letter-spacing: 2px;
	text-align: center;
	text-transform: uppercase;
}

.countdown-wrapper {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
}

.countdown-item {
	color: #111;
	font-size: 40px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
    line-height: 30px;
	margin: 10px;
    padding-top: 10px;
	position: relative;
	width: 100px;
	height: 100px;
}

.countdown-item span {
	color: #333;
	font-size: 12px;
	font-weight: 600;
	text-transform: uppercase;
}

.countdown-svg {
	position: absolute;
	top: 0;
	left: 0;
	width: 100px;
	height: 100px;
}

footer {
    background-color: #222;
    color: #fff;
    font-size: 14px;
    bottom: 0;
    position: fixed;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 999;
}

footer p {
    margin: 10px 0;
}

footer i {
    color: red;
}

footer a {
    color: #3c97bf;
    text-decoration: none;
}
</style>


</head>

<body  >
  <div id="app"></div>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/react.dev.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/react-dom.dev.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/moment.min.js"></script>
      <script  >
function _defineProperty(obj, key, value) {if (key in obj) {Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true });} else {obj[key] = value;}return obj;}class Countdown extends React.Component {constructor(...args) {super(...args);_defineProperty(this, "state",
    {
      days: undefined,
      hours: undefined,
      minutes: undefined,
      seconds: undefined });}


  componentDidMount() {
    this.interval = setInterval(() => {
      const { timeTillDate, timeFormat } = this.props;
      const then = moment(timeTillDate, timeFormat);
      const now = moment();
      const countdown = moment(then - now);
      const days = countdown.format('D');
      const hours = countdown.format('HH');
      const minutes = countdown.format('mm');
      const seconds = countdown.format('ss');

      this.setState({ days, hours, minutes, seconds });
    }, 1000);
  }

  componentWillUnmount() {
    if (this.interval) {
      clearInterval(this.interval);
    }
  }

  render() {
    const { days, hours, minutes, seconds } = this.state;
    const daysRadius = mapNumber(days, 30, 0, 0, 360);
    const hoursRadius = mapNumber(hours, 24, 0, 0, 360);
    const minutesRadius = mapNumber(minutes, 60, 0, 0,.........完整代码请登录后点击上方下载按钮下载查看