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倒计时时钟翻转动画.html
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倒计时时钟翻转动画.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>倒计时时钟翻转动画</title>
<style>
html,
body {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
.container {
width: 100%;
height: 100%;
display: flex;
justify-content: center;
align-items: center;
}
#clock {
width: 1300px;
height: 200px;
display: flex;
justify-content: space-around;
align-items: center;
text-align: center;
}
.time {
position: absolute;
top: 120px;
left: 0;
right: 0;
margin: auto;
width: 500px;
height: 100px;
text-align: center;
}
#input {
width: 80%;
padding: 12px 20px;
margin: 8px 0;
display: inline-block;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
outline: none;
}
#btn {
background-color: #141414;
color: #ffffff;
padding: 10px 20px;
border-radius: 4px;
font-size: 16px;
border: none;
outline: none;
}
#btn[disabled]{
background-color:rgba(20, 20, 20, .5);
cursor: not-allowed;
}
.num {
width: 140px;
height: 200px;
font: 140px 'Roboto Slab', sans-serif;
color: #404040;
background: rgba(90, 90, 90, 1);
border: solid 3px #404040;
box-sizing: border-box;
border-radius: 18px;
}
.colon {
padding-bottom: 25px;
font: 140px 'Roboto Slab', sans-serif;
color: #404040;
}
</style>
</head>
<body>
<div class="time">
<input type="text" id="input" placeholder="请输入到期时间(Unix时间戳)" value="">
<button type="button" id="btn" onclick="Start()">开始</button>
</div>
<div class="container">
<div id="clock">
<div id="d10" class="num">
</div>
<div id="d0" class="num">
</div>
<div class="colon">:</div>
<div id="h10" class="num">
</div>
<div id="h0" class="num">
</div>
<div class="colon">:</div>
<div id="m10" class="num">
</div>
<div id="m0" class="num">
</div>
<div class="colon">:</div>
<div id="s10" class="num">
</div>
<div id="s0" class="num">
</div>
</div>
</div>
<script>
function Start() {
var val = document.getElementById('input').value;
var timestamp = Math.round(new Date().getTime() / 1000);
if (!val) {
alert('您输入的时间戳为空！')
} else if (val < timestamp) {
alert('您输入的时间戳小于当前时间！');
document.getElementById('input').value = null;
} else {
document.getElementById('btn').disabled = true;
var countDownTime = val - timestamp;
var downTime = setInterval(function () {
countDownTime = countDownTime - 1;
if (countDownTime <= 0) {
clearInterval(downTime);
alert('倒计时时间到！');
document.getElementById('input').value = null;
countDownTime = null;
document.getElementById('btn').disabled = false;
}
day = Math.floor(countDownTime / (60 * 60 * 24));
day = ('0' + day).slice(-2);
hour = Math.floor(countDownTime % (60 * 60 * 24) / (60 * 60));
hour = ('0' + hour).slice(-2);
minutes = Math.floor(countDownTime % (60 * 60) / 60);
minutes = ('0' + minutes).slice(-2);
second = Math.floor(countDownTime % 60);
second = ('0' + second).slice(-2);
d10.innerHTML = day.charAt(0);
d0.innerHTML = day.charAt(1);
h10.innerHTML = hour.charAt(0);
h0.innerHTML = hour.charAt(1);
m10.innerHTML = minutes.charAt(0);
m0.innerHTML = minutes.charAt(1);
s10.innerHTML = second.charAt(0);
s0.innerHTML = second.charAt(1);
}, 1000)
}
}
</script>
</body>
</html>