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test.html
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test.html
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<!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>
<svg width="10000" height="11.515625">
<text
dominant-baseline="baseline"
font-size="10"
y="9.515625"
style="line-height: 1; vertical-align: middle;"
>
千山鸟飞绝 - from hill to hill no bird in flight
</text>
</svg>
</div>
</body>
<script>
var flip = document.getElementById("flip");
var backNode = document.querySelector(".back");
var frontNode = document.querySelector(".front");
var btn = document.getElementById("btn");
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, 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>