效果演示
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>数字时钟</title>
<link rel="stylesheet" href="./26-数字时钟.css">
</head>
<body>
<div class="clock">
<div class="numbers">
<span style="--i:0"><b>12</b></span>
<span style="--i:1"><b>3</b></span>
<span style="--i:2"><b>6</b></span>
<span style="--i:3"><b>9</b></span>
<div class="circle" id="hr"><i></i></div>
<div class="circle" id="mn"><i></i></div>
<div class="circle" id="sc"><i></i></div>
</div>
</div>
</body>
<script src="./26-数字时钟.js"></script>
</html>
CSS
@import url(../public/style/font/Poppins.css);
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Poppins', sans-serif;
}
body {
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #acbaca;
}
.clock {
position: relative;
width: 300px;
height: 300px;
background: #c9d5e0;
display: flex;
justify-content: center;
align-items: center;
border-radius: 50px;
box-shadow: 30px 30px 30px -10px rgba(0, 0, 0, 0.15),
inset 15px 15px 10px rgba(255, 255, 255, 0.75),
-15px -15px 35px rgba(255, 255, 255, 0.55),
inset -1px -1px 10px rgba(0, 0, 0, 0.2);
}
.clock::before {
content: '';
position: absolute;
width: 4px;
height: 4px;
background: #e91e63;
border-radius: 50%;
z-index: 1000;
box-shadow: 0 0 0 1px #e91e63,
0 0 0 3px #fff,
0 0 5px 5px rgba(0, 0, 0, 0.15);
}
.clock .numbers {
position: absolute;
inset: 35px;
background: #152b4a;
border-radius: 50%;
box-shadow: 5px 5px 15px #152b4a66,
inset 5px 5px 5px rgba(255, 255, 255, 0.75),
-6px -6px 10px rgba(255, 255, 255, 1);
}
.clock .numbers span {
position: absolute;
inset: 5px;
text-align: center;
color: #fff;
font-size: 1.25em;
transform: rotate(calc(90deg * var(--i)));
}
.clock .numbers span b {
font-weight: 600;
display: inline-block;
transform: rotate(calc(-90deg * var(--i)));
}
.clock .numbers::before {
content: '';
position: absolute;
inset: 35px;
background: linear-gradient(#2196f3, #e91e63);
border-radius: 50%;
animation: animate 2s linear infinite;
}
@keyframes animate {
0% {
transform: rotate(360deg);
}
100% {
transform: rotate(0deg);
}
}
.clock .numbers::after {
content: '';
position: absolute;
inset: 38px;
background: #152b4a;
border-radius: 50%;
}
.clock .numbers .circle {
position: absolute;
inset: 0;
border-radius: 50%;
display: flex;
justify-content: center;
z-index: 10;
}
.clock .numbers .circle i {
position: absolute;
width: 3px;
height: 50%;
background: #fff;
transform-origin: bottom;
transform: scaleY(0.55);
}
.clock .numbers .circle#hr i {
width: 4px;
transform: scaleY(0.3);
}
.clock .numbers .circle#mn i {
transform: scaleY(0.45);
}
.clock .numbers .circle#sc i {
width: 2px;
transform: scaleY(0.55);
background: #c91e63;
box-shadow: 0 30px 0 #e91e63;
}
JavaScript
let hr = document.querySelector('#hr')
let mn = document.querySelector('#mn')
let sc = document.querySelector('#sc')
setInterval(() => {
let day = new Date()
let hh = day.getHours() * 30
let mm = day.getMinutes() * 6
let ss = day.getSeconds() * 6
hr.style.transform = `rotateZ(${hh + (mm / 12)}deg`
mn.style.transform = `rotateZ(${mm}deg)`
sc.style.transform = `rotateZ(${ss}deg)`
});