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今天给大家分享一个,翻转时钟的特效,具体Vue版本,React版本,原生javaScript版本如下所示:如有不清晰的,也可以点击文末左下方阅读原文
FlipClock
组件
/*
* 翻牌数字
* @author:itclanCoder
*/
<template>
<div class="FlipClock">
<Flipper ref="flipperHour1" />
<Flipper ref="flipperHour2" />
<em>:</em>
<Flipper ref="flipperMinute1" />
<Flipper ref="flipperMinute2" />
<em>:</em>
<Flipper ref="flipperSecond1" />
<Flipper ref="flipperSecond2" />
</div>
</template>
<script>
import Flipper from './flipper'
export default {
name: 'flipClock',
data() {
return {
timer: null,
flipObjs: []
}
},
components: {
Flipper
},
methods: {
// 初始化数字
init() {
let now = new Date()
let nowTimeStr = this.formatDate(new Date(now.getTime()), 'hhiiss')
for (let i = 0; i < this.flipObjs.length; i++) {
this.flipObjs[i].setFront(nowTimeStr[i])
}
},
// 开始计时
run() {
this.timer = setInterval(() => {
// 获取当前时间
let now = new Date()
let nowTimeStr = this.formatDate(new Date(now.getTime() - 1000), 'hhiiss')
let nextTimeStr = this.formatDate(now, 'hhiiss')
for (let i = 0; i < this.flipObjs.length; i++) {
if (nowTimeStr[i] === nextTimeStr[i]) {
continue
}
this.flipObjs[i].flipDown(
nowTimeStr[i],
nextTimeStr[i]
)
}
}, 1000)
},
// 正则格式化日期
formatDate(date, dateFormat) {
/* 单独格式化年份,根据y的字符数量输出年份
* 例如:yyyy => 2019
yy => 19
y => 9
*/
if (/(y+)/.test(dateFormat)) {
dateFormat = dateFormat.replace(
RegExp.$1,
(date.getFullYear() + '').substr(4 - RegExp.$1.length)
)
}
// 格式化月、日、时、分、秒
let o = {
'm+': date.getMonth() + 1,
'd+': date.getDate(),
'h+': date.getHours(),
'i+': date.getMinutes(),
's+': date.getSeconds()
}
for (let k in o) {
if (new RegExp(`(${k})`).test(dateFormat)) {
// 取出对应的值
let str = o[k] + ''
/* 根据设置的格式,输出对应的字符
* 例如: 早上8时,hh => 08,h => 8
* 但是,当数字>=10时,无论格式为一位还是多位,不做截取,这是与年份格式化不一致的地方
* 例如: 下午15时,hh => 15, h => 15
*/
dateFormat = dateFormat.replace(
RegExp.$1,
RegExp.$1.length === 1 ? str : this.padLeftZero(str)
)
}
}
return dateFormat
},
// 日期时间补零
padLeftZero(str) {
return ('00' + str).substr(str.length)
}
},
mounted() {
this.flipObjs = [
this.$refs.flipperHour1,
this.$refs.flipperHour2,
this.$refs.flipperMinute1,
this.$refs.flipperMinute2,
this.$refs.flipperSecond1,
this.$refs.flipperSecond2
]
this.init()
this.run()
}
}
</script>
<style>
.FlipClock {
text-align: center;
}
.FlipClock .M-Flipper {
margin: 0 3px;
}
.FlipClock em {
display: inline-block;
line-height: 102px;
font-size: 66px;
font-style: normal;
vertical-align: top;
}
</style>
flipper
组件组件
/*
* 翻牌数字
* @author:itclanCoder
*/
<template>
<div class="M-Flipper" :class="[flipType, {'go': isFlipping}]">
<div class="digital front" :class="_textClass(frontTextFromData)"></div>
<div class="digital back" :class="_textClass(backTextFromData)"></div>
</div>
</template>
<script>
export default {
name: 'FlipClock',
data() {
return {
isFlipping: false,
flipType: 'down',
frontTextFromData: 0,
backTextFromData: 1
}
},
props: {
// front paper text
// 前牌文字
frontText: {
type: [Number, String],
default: 0
},
// back paper text
// 后牌文字
backText: {
type: [Number, String],
default: 1
},
// flipping duration, please be consistent with the CSS animation-duration value.
// 翻牌动画时间,与CSS中设置的animation-duration保持一致
duration: {
type: Number,
default: 600
}
},
methods: {
_textClass(number) {
return 'number' + number
},
_flip(type, front, back) {
// 如果处于翻转中,则不执行
if (this.isFlipping) {
return false
}
this.frontTextFromData = front
this.backTextFromData = back
// 根据传递过来的type设置翻转方向
this.flipType = type
// 设置翻转状态为true
this.isFlipping = true
setTimeout(() => {
// 设置翻转状态为false
this.isFlipping = false
this.frontTextFromData = back
}, this.duration)
},
// 下翻牌
flipDown(front, back) {
this._flip('down', front, back)
},
// 上翻牌
flipUp(front, back) {
this._flip('up', front, back)
},
// 设置前牌文字
setFront(text) {
this.frontTextFromData = text
},
// 设置后牌文字
setBack(text) {
this.backTextFromData = text
}
},
created() {
this.frontTextFromData = this.frontText
this.backTextFromData = this.backText
}
}
</script>
<style>
.M-Flipper {
display: inline-block;
position: relative;
width: 60px;
height: 100px;
line-height: 100px;
border: solid 1px #000;
border-radius: 10px;
background: #fff;
font-size: 66px;
color: #fff;
box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
text-align: center;
font-family: 'HYLeMiaoTiW';
}
@media screen and (min-width: 375px) and (max-width: 768px){
.M-Flipper {
width: 35px;
font-size: 40px;
}
}
@media screen and (max-width: 320px){
.M-Flipper {
width: 25px;
font-size: 40px;
}
}
@media screen and (min-width: 320px) and (max-width: 375px){
.M-Flipper {
width: 27px;
font-size: 40px;
}
}
.M-Flipper .digital:before,
.M-Flipper .digital:after {
content: '';
position: absolute;
left: 0;
right: 0;
background: #000;
overflow: hidden;
box-sizing: border-box;
}
.M-Flipper .digital:before {
top: 0;
bottom: 50%;
border-radius: 10px 10px 0 0;
border-bottom: solid 1px #666;
}
.M-Flipper .digital:after {
top: 50%;
bottom: 0;
border-radius: 0 0 10px 10px;
line-height: 0;
}
/*向下翻*/
.M-Flipper.down .front:before {
z-index: 3;
}
.M-Flipper.down .back:after {
z-index: 2;
transform-origin: 50% 0%;
transform: perspective(160px) rotateX(180deg);
}
.M-Flipper.down .front:after,
.M-Flipper.down .back:before {
z-index: 1;
}
.M-Flipper.down.go .front:before {
transform-origin: 50% 100%;
animation: frontFlipDown 0.6s ease-in-out both;
box-shadow: 0 -2px 6px rgba(255, 255, 255, 0.3);
backface-visibility: hidden;
}
.M-Flipper.down.go .back:after {
animation: backFlipDown 0.6s ease-in-out both;
}
/*向上翻*/
.M-Flipper.up .front:after {
z-index: 3;
}
.M-Flipper.up .back:before {
z-index: 2;
transform-origin: 50% 100%;
transform: perspective(160px) rotateX(-180deg);
}
.M-Flipper.up .front:before,
.M-Flipper.up .back:after {
z-index: 1;
}
.M-Flipper.up.go .front:after {
transform-origin: 50% 0;
animation: frontFlipUp 0.6s ease-in-out both;
box-shadow: 0 2px 6px rgba(255, 255, 255, 0.3);
backface-visibility: hidden;
}
.M-Flipper.up.go .back:before {
animation: backFlipUp 0.6s ease-in-out both;
}
@keyframes frontFlipDown {
0% {
transform: perspective(160px) rotateX(0deg);
}
100% {
transform: perspective(160px) rotateX(-180deg);
}
}
@keyframes backFlipDown {
0% {
transform: perspective(160px) rotateX(180deg);
}
100% {
transform: perspective(160px) rotateX(0deg);
}
}
@keyframes frontFlipUp {
0% {
transform: perspective(160px) rotateX(0deg);
}
100% {
transform: perspective(160px) rotateX(180deg);
}
}
@keyframes backFlipUp {
0% {
transform: perspective(160px) rotateX(-180deg);
}
100% {
transform: perspective(160px) rotateX(0deg);
}
}
.M-Flipper .number0:before,
.M-Flipper .number0:after {
content: '0';
}
.M-Flipper .number1:before,
.M-Flipper .number1:after {
content: '1';
}
.M-Flipper .number2:before,
.M-Flipper .number2:after {
content: '2';
}
.M-Flipper .number3:before,
.M-Flipper .number3:after {
content: '3';
}
.M-Flipper .number4:before,
.M-Flipper .number4:after {
content: '4';
}
.M-Flipper .number5:before,
.M-Flipper .number5:after {
content: '5';
}
.M-Flipper .number6:before,
.M-Flipper .number6:after {
content: '6';
}
.M-Flipper .number7:before,
.M-Flipper .number7:after {
content: '7';
}
.M-Flipper .number8:before,
.M-Flipper .number8:after {
content: '8';
}
.M-Flipper .number9:before,
.M-Flipper .number9:after {
content: '9';
}
</style>
Filpper.js
/*
* 翻牌数字
* @author:itclanCoder-React
*/
import React, { Component } from 'react'
import PropTypes from 'prop-types'
import './flipper.css'
class Flipper extends Component {
constructor(props) {
super(props)
this.state = {
isFlipping: false,
flipType: 'down',
frontTextFromData: 0,
backTextFromData: 1
}
}
render() {
const { isFlipping, flipType, frontTextFromData, backTextFromData } = this.state
return (
<div className={['M-Flipper', flipType, isFlipping?'go':null].join(' ')}>
<div className={'digital front ' + this._textClass(frontTextFromData)}></div>
<div className={'digital back ' + this._textClass(backTextFromData)}></div>
</div>
)
}
// componentDidMount() {
// this.props.onRef(this)
// }
test() {
console.log('test')
}
_textClass(number) {
return 'number' + number
}
_flip(type, front, back) {
// 如果处于翻转中,则不执行
if (this.isFlipping) {
return false
}
this.setState({
frontTextFromData: front,
backTextFromData: back,
// 根据传递过来的type设置翻转方向
flipType: type,
// 设置翻转状态为true
isFlipping: true
})
setTimeout(() => {
this.setState({
frontTextFromData: back,
isFlipping: false
})
}, this.props.duration)
}
// 下翻牌
flipDown(front, back) {
this._flip('down', front, back)
}
// 上翻牌
flipUp(front, back) {
this._flip('up', front, back)
}
// 设置前牌文字
setFront(text) {
this.setState({
frontTextFromData: text
})
}
// 设置后牌文字
setBack(text) {
this.setState({
backTextFromData: text
})
}
}
// props类型校验
Flipper.propTypes = {
frontText: PropTypes.oneOfType([
PropTypes.number,
PropTypes.string
]),
backText: PropTypes.oneOfType([
PropTypes.number,
PropTypes.string
]),
duration: PropTypes.number
}
// props默认值
Flipper.defaultProps = {
// front paper text
// 前牌文字
frontText: 0,
// back paper text
// 后牌文字
backText: 1,
// flipping duration, please be consistent with the CSS animation-duration value.
// 翻牌动画时间,与CSS中设置的animation-duration保持一致
duration: 600
}
export default Flipper
FilpClock.js
import React, { Component } from 'react'
import Flipper from './Flipper'
import './flipClock.css'
class FlipClock extends Component {
constructor(props) {
super(props)
this.timer = null
this.flipObjs = []
}
render() {
return (
<div className="FlipClock">
<Flipper ref="flipperHour1" />
<Flipper ref="flipperHour2" />
<em>:</em>
<Flipper ref="flipperMinute1" />
<Flipper ref="flipperMinute2" />
<em>:</em>
<Flipper ref="flipperSecond1" />
<Flipper ref="flipperSecond2" />
</div>
)
}
componentDidMount() {
this.flipObjs = [
this.refs.flipperHour1,
this.refs.flipperHour2,
this.refs.flipperMinute1,
this.refs.flipperMinute2,
this.refs.flipperSecond1,
this.refs.flipperSecond2
]
this.init()
this.run()
}
// 初始化数字
init() {
let now = new Date()
let nowTimeStr = this.formatDate(new Date(now.getTime()), 'hhiiss')
for (let i = 0; i < this.flipObjs.length; i++) {
this.flipObjs[i].setFront(nowTimeStr[i])
}
}
// 开始计时
run() {
this.timer = setInterval(() => {
// 获取当前时间
let now = new Date()
let nowTimeStr = this.formatDate(new Date(now.getTime() - 1000), 'hhiiss')
let nextTimeStr = this.formatDate(now, 'hhiiss')
for (let i = 0; i < this.flipObjs.length; i++) {
if (nowTimeStr[i] === nextTimeStr[i]) {
continue
}
this.flipObjs[i].flipDown(
nowTimeStr[i],
nextTimeStr[i]
)
}
}, 1000)
}
// 正则格式化日期
formatDate(date, dateFormat) {
/* 单独格式化年份,根据y的字符数量输出年份
* 例如:yyyy => 2019
yy => 19
y => 9
*/
if (/(y+)/.test(dateFormat)) {
dateFormat = dateFormat.replace(
RegExp.$1,
(date.getFullYear() + '').substr(4 - RegExp.$1.length)
)
}
// 格式化月、日、时、分、秒
let o = {
'm+': date.getMonth() + 1,
'd+': date.getDate(),
'h+': date.getHours(),
'i+': date.getMinutes(),
's+': date.getSeconds()
}
for (let k in o) {
if (new RegExp(`(${k})`).test(dateFormat)) {
// 取出对应的值
let str = o[k] + ''
/* 根据设置的格式,输出对应的字符
* 例如: 早上8时,hh => 08,h => 8
* 但是,当数字>=10时,无论格式为一位还是多位,不做截取,这是与年份格式化不一致的地方
* 例如: 下午15时,hh => 15, h => 15
*/
dateFormat = dateFormat.replace(
RegExp.$1,
RegExp.$1.length === 1 ? str : this.padLeftZero(str)
)
}
}
return dateFormat
}
// 日期时间补零
padLeftZero(str) {
return ('00' + str).substr(str.length)
}
}
export default FlipClock
flipClock.css
.FlipClock {
text-align: center;
}
.FlipClock .M-Flipper {
margin: 0 3px;
}
.FlipClock em {
display: inline-block;
line-height: 102px;
font-size: 66px;
font-style: normal;
vertical-align: top;
}
flipper.css
.M-Flipper {
display: inline-block;
position: relative;
width: 60px;
height: 100px;
line-height: 100px;
border: solid 1px #000;
border-radius: 10px;
background: #fff;
font-size: 66px;
color: #fff;
box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
text-align: center;
font-family: 'Helvetica Neue';
}
.M-Flipper .digital:before,
.M-Flipper .digital:after {
content: '';
position: absolute;
left: 0;
right: 0;
background: #000;
overflow: hidden;
box-sizing: border-box;
}
.M-Flipper .digital:before {
top: 0;
bottom: 50%;
border-radius: 10px 10px 0 0;
border-bottom: solid 1px #666;
}
.M-Flipper .digital:after {
top: 50%;
bottom: 0;
border-radius: 0 0 10px 10px;
line-height: 0;
}
/*向下翻*/
.M-Flipper.down .front:before {
z-index: 3;
}
.M-Flipper.down .back:after {
z-index: 2;
transform-origin: 50% 0%;
transform: perspective(160px) rotateX(180deg);
}
.M-Flipper.down .front:after,
.M-Flipper.down .back:before {
z-index: 1;
}
.M-Flipper.down.go .front:before {
transform-origin: 50% 100%;
animation: frontFlipDown 0.6s ease-in-out both;
box-shadow: 0 -2px 6px rgba(255, 255, 255, 0.3);
backface-visibility: hidden;
}
.M-Flipper.down.go .back:after {
animation: backFlipDown 0.6s ease-in-out both;
}
/*向上翻*/
.M-Flipper.up .front:after {
z-index: 3;
}
.M-Flipper.up .back:before {
z-index: 2;
transform-origin: 50% 100%;
transform: perspective(160px) rotateX(-180deg);
}
.M-Flipper.up .front:before,
.M-Flipper.up .back:after {
z-index: 1;
}
.M-Flipper.up.go .front:after {
transform-origin: 50% 0;
animation: frontFlipUp 0.6s ease-in-out both;
box-shadow: 0 2px 6px rgba(255, 255, 255, 0.3);
backface-visibility: hidden;
}
.M-Flipper.up.go .back:before {
animation: backFlipUp 0.6s ease-in-out both;
}
@keyframes frontFlipDown {
0% {
transform: perspective(160px) rotateX(0deg);
}
100% {
transform: perspective(160px) rotateX(-180deg);
}
}
@keyframes backFlipDown {
0% {
transform: perspective(160px) rotateX(180deg);
}
100% {
transform: perspective(160px) rotateX(0deg);
}
}
@keyframes frontFlipUp {
0% {
transform: perspective(160px) rotateX(0deg);
}
100% {
transform: perspective(160px) rotateX(180deg);
}
}
@keyframes backFlipUp {
0% {
transform: perspective(160px) rotateX(-180deg);
}
100% {
transform: perspective(160px) rotateX(0deg);
}
}
.M-Flipper .number0:before,
.M-Flipper .number0:after {
content: '0';
}
.M-Flipper .number1:before,
.M-Flipper .number1:after {
content: '1';
}
.M-Flipper .number2:before,
.M-Flipper .number2:after {
content: '2';
}
.M-Flipper .number3:before,
.M-Flipper .number3:after {
content: '3';
}
.M-Flipper .number4:before,
.M-Flipper .number4:after {
content: '4';
}
.M-Flipper .number5:before,
.M-Flipper .number5:after {
content: '5';
}
.M-Flipper .number6:before,
.M-Flipper .number6:after {
content: '6';
}
.M-Flipper .number7:before,
.M-Flipper .number7:after {
content: '7';
}
.M-Flipper .number8:before,
.M-Flipper .number8:after {
content: '8';
}
.M-Flipper .number9:before,
.M-Flipper .number9:after {
content: '9';
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Flipper</title>
</head>
<body>
<div class="single-demo">
<div class="flip down" id="flip">
<div class="digital front number0"></div>
<div class="digital back number1"></div>
</div>
<div class="btn-con">
<button id="btn1">向下翻+1</button>
<button id="btn2">向上翻-1</button>
</div>
</div>
<div class="clock" id="clock">
<div class="flip down">
<div class="digital front number0"></div>
<div class="digital back number1"></div>
</div>
<div class="flip down">
<div class="digital front number0"></div>
<div class="digital back number1"></div>
</div>
<em>:</em>
<div class="flip down">
<div class="digital front number0"></div>
<div class="digital back number1"></div>
</div>
<div class="flip down">
<div class="digital front number0"></div>
<div class="digital back number1"></div>
</div>
<em>:</em>
<div class="flip down">
<div class="digital front number0"></div>
<div class="digital back number1"></div>
</div>
<div class="flip down">
<div class="digital front number0"></div>
<div class="digital back number1"></div>
</div>
</div>
</body>
<script>
var flip = document.getElementById('flip')
var backNode = document.querySelector('.back')
var frontNode = document.querySelector('.front')
var btn1 = document.getElementById('btn1')
var btn2 = document.getElementById('btn2')
btn1.addEventListener('click', function() {
flipDown();
})
btn2.addEventListener('click', function() {
flipUp();
})
// 当前数字
var count = 0
// 是否正在翻转(防止翻转未结束就进行下一次翻转)
var isFlipping = false
// 向下翻转+1
function flipDown() {
// 如果处于翻转中,则不执行
if (isFlipping) {
return false
}
// 设置前牌的文字
frontNode.setAttribute('class', 'digital front number' + count)
// 计算后牌文字(越界判断)
var nextCount = count >= 9 ? 0 : (count + 1)
// 设置后牌的文字
backNode.setAttribute('class', 'digital back number' + nextCount)
// 添加go,执行翻转动画
flip.setAttribute('class', 'flip down go')
// 当翻转态设置为true
isFlipping = true
// 翻转结束后,恢复状态
setTimeout(function() {
// 去掉go
flip.setAttribute('class', 'flip down')
// 当翻转态设置为false
isFlipping = false
// 设置前牌文字为+1后的数字
frontNode.setAttribute('class', 'digital front number' + nextCount)
// 更新当前文字
count = nextCount
}, 1000)
}
// 向上翻转-1(同理,注释略)
function flipUp() {
if (isFlipping) {
return false
}
frontNode.setAttribute('class', 'digital front number' + count)
var nextCount = count <= 0 ? 9 : (count - 1)
backNode.setAttribute('class', 'digital back number' + nextCount)
flip.setAttribute('class', 'flip up go')
isFlipping = true
setTimeout(function() {
flip.setAttribute('class', 'flip up')
isFlipping = false
frontNode.setAttribute('class', 'digital front number' + nextCount)
count = nextCount
}, 1000)
}
/* 时钟代码 */
// 时钟翻牌
function Flipper(config) {
// 默认配置
this.config = {
// 时钟模块的节点
node: null,
// 初始前牌文字
frontText: 'number0',
// 初始后牌文字
backText: 'number1',
// 翻转动画时间(毫秒,与翻转动画CSS 设置的animation-duration时间要一致)
duration: 600
}
// 节点的原本class,与html对应,方便后面添加/删除新的class
this.nodeClass = {
flip: 'flip',
front: 'digital front',
back: 'digital back'
}
// 覆盖默认配置
Object.assign(this.config, config)
// 定位前后两个牌的DOM节点
this.frontNode = this.config.node.querySelector('.front')
this.backNode = this.config.node.querySelector('.back')
// 是否处于翻牌动画过程中(防止动画未完成就进入下一次翻牌)
this.isFlipping = false
// 初始化
this._init()
}
Flipper.prototype = {
constructor: Flipper,
// 初始化
_init: function() {
// 设置初始牌面字符
this._setFront(this.config.frontText)
this._setBack(this.config.backText)
},
// 设置前牌文字
_setFront: function(className) {
this.frontNode.setAttribute('class', this.nodeClass.front + ' ' + className)
},
// 设置后牌文字
_setBack: function(className) {
this.backNode.setAttribute('class', this.nodeClass.back + ' ' + className)
},
_flip: function(type, front, back) {
// 如果处于翻转中,则不执行
if (this.isFlipping) {
return false
}
// 设置翻转状态为true
this.isFlipping = true
// 设置前牌文字
this._setFront(front)
// 设置后牌文字
this._setBack(back)
// 根据传递过来的type设置翻转方向
let flipClass = this.nodeClass.flip;
if (type === 'down') {
flipClass += ' down'
} else {
flipClass += ' up'
}
// 添加翻转方向和执行动画的class,执行翻转动画
this.config.node.setAttribute('class', flipClass + ' go')
// 根据设置的动画时间,在动画结束后,还原class并更新前牌文字
setTimeout(() => {
// 还原class
this.config.node.setAttribute('class', flipClass)
// 设置翻转状态为false
this.isFlipping = false
// 将前牌文字设置为当前新的数字,后牌因为被前牌挡住了,就不用设置了。
this._setFront(back)
}, this.config.duration)
},
// 下翻牌
flipDown: function(front, back) {
this._flip('down', front, back)
},
// 上翻牌
flipUp: function(front, back) {
this._flip('up', front, back)
}
}
// 定位时钟模块
let clock = document.getElementById('clock')
// 定位6个翻板
let flips = clock.querySelectorAll('.flip')
// 获取当前时间
let now = new Date()
// 格式化当前时间,例如现在是20:30:10,则输出"203010"字符串
let nowTimeStr = formatDate(now, 'hhiiss')
// 格式化下一秒的时间
let nextTimeStr = formatDate(new Date(now.getTime() + 1000), 'hhiiss')
// 定义牌板数组,用来存储6个Flipper翻板对象
let flipObjs = []
for (let i = 0; i < flips.length; i++) {
// 创建6个Flipper实例,并初始化
flipObjs.push(new Flipper({
// 每个flipper实例按数组顺序与翻板DOM的顺序一一对应
node: flips[i],
// 按数组顺序取时间字符串对应位置的数字
frontText: 'number' + nowTimeStr[i],
backText: 'number' + nextTimeStr[i]
}))
}
// 开始计时
setInterval(function() {
// 获取当前时间
let now = new Date()
let nowTimeStr = formatDate(new Date(now.getTime() - 1000), 'hhiiss')
let nextTimeStr = formatDate(now, 'hhiiss')
for (let i = 0; i < flipObjs.length; i++) {
if (nowTimeStr[i] === nextTimeStr[i]) {
continue
}
flipObjs[i].flipDown('number' + nowTimeStr[i], 'number' + nextTimeStr[i])
}
}, 1000)
//正则格式化日期
function formatDate(date, dateFormat) {
/* 单独格式化年份,根据y的字符数量输出年份
* 例如:yyyy => 2019
yy => 19
y => 9
*/
if (/(y+)/.test(dateFormat)) {
dateFormat = dateFormat.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length));
}
// 格式化月、日、时、分、秒
let o = {
'm+': date.getMonth() + 1,
'd+': date.getDate(),
'h+': date.getHours(),
'i+': date.getMinutes(),
's+': date.getSeconds()
};
for (let k in o) {
if (new RegExp(`(${k})`).test(dateFormat)) {
// 取出对应的值
let str = o[k] + '';
/* 根据设置的格式,输出对应的字符
* 例如: 早上8时,hh => 08,h => 8
* 但是,当数字>=10时,无论格式为一位还是多位,不做截取,这是与年份格式化不一致的地方
* 例如: 下午15时,hh => 15, h => 15
*/
dateFormat = dateFormat.replace(RegExp.$1, (RegExp.$1.length === 1) ? str : padLeftZero(str));
}
}
return dateFormat;
};
//日期时间补零
function padLeftZero(str) {
return ('00' + str).substr(str.length);
}
</script>
<style>
.single-demo {
margin: 50px auto;
padding: 30px;
width: 600px;
text-align: center;
border: solid 1px #999;
}
.flip {
display: inline-block;
position: relative;
width: 60px;
height: 100px;
line-height: 100px;
border: solid 1px #000;
border-radius: 10px;
background: #fff;
font-size: 66px;
color: #fff;
box-shadow: 0 0 6px rgba(0, 0, 0, .5);
text-align: center;
font-family: "Helvetica Neue"
}
.flip .digital:before,
.flip .digital:after {
content: "";
position: absolute;
left: 0;
right: 0;
background: #000;
overflow: hidden;
box-sizing: border-box;
}
.flip .digital:before {
top: 0;
bottom: 50%;
border-radius: 10px 10px 0 0;
border-bottom: solid 1px #666;
}
.flip .digital:after {
top: 50%;
bottom: 0;
border-radius: 0 0 10px 10px;
line-height: 0;
}
/*向下翻*/
.flip.down .front:before {
z-index: 3;
}
.flip.down .back:after {
z-index: 2;
transform-origin: 50% 0%;
transform: perspective(160px) rotateX(180deg);
}
.flip.down .front:after,
.flip.down .back:before {
z-index: 1;
}
.flip.down.go .front:before {
transform-origin: 50% 100%;
animation: frontFlipDown 0.6s ease-in-out both;
box-shadow: 0 -2px 6px rgba(255, 255, 255, 0.3);
backface-visibility: hidden;
}
.flip.down.go .back:after {
animation: backFlipDown 0.6s ease-in-out both;
}
/*向上翻*/
.flip.up .front:after {
z-index: 3;
}
.flip.up .back:before {
z-index: 2;
transform-origin: 50% 100%;
transform: perspective(160px) rotateX(-180deg);
}
.flip.up .front:before,
.flip.up .back:after {
z-index: 1;
}
.flip.up.go .front:after {
transform-origin: 50% 0;
animation: frontFlipUp 0.6s ease-in-out both;
box-shadow: 0 2px 6px rgba(255, 255, 255, 0.3);
backface-visibility: hidden;
}
.flip.up.go .back:before {
animation: backFlipUp 0.6s ease-in-out both;
}
@keyframes frontFlipDown {
0% {
transform: perspective(160px) rotateX(0deg);
}
100% {
transform: perspective(160px) rotateX(-180deg);
}
}
@keyframes backFlipDown {
0% {
transform: perspective(160px) rotateX(180deg);
}
100% {
transform: perspective(160px) rotateX(0deg);
}
}
@keyframes frontFlipUp {
0% {
transform: perspective(160px) rotateX(0deg);
}
100% {
transform: perspective(160px) rotateX(180deg);
}
}
@keyframes backFlipUp {
0% {
transform: perspective(160px) rotateX(-180deg);
}
100% {
transform: perspective(160px) rotateX(0deg);
}
}
.flip .number0:before,
.flip .number0:after {
content: "0";
}
.flip .number1:before,
.flip .number1:after {
content: "1";
}
.flip .number2:before,
.flip .number2:after {
content: "2";
}
.flip .number3:before,
.flip .number3:after {
content: "3";
}
.flip .number4:before,
.flip .number4:after {
content: "4";
}
.flip .number5:before,
.flip .number5:after {
content: "5";
}
.flip .number6:before,
.flip .number6:after {
content: "6";
}
.flip .number7:before,
.flip .number7:after {
content: "7";
}
.flip .number8:before,
.flip .number8:after {
content: "8";
}
.flip .number9:before,
.flip .number9:after {
content: "9";
}
.clock {
text-align: center;
margin-bottom: 200px;
}
.clock em {
display: inline-block;
line-height: 102px;
font-size: 66px;
font-style: normal;
vertical-align: top;
}
</style>
</html>
大家看到的360画报,屏保的数字时钟,就是参考如上代码实现的
记账就用轻记账
公众号(ID:itclanCoder)
码能让您早脱菜籍,文能让您洗净铅华
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