css简约的时钟

小知识，大挑战！本文正在参与“程序员必备小知识”创作活动。

 <div class="container">
        <div class="clock">
            <div class="center"></div>
            <div class="hand hour" id="hour"></div>
            <div class="hand minute" id="minute"></div>
            <div class="hand second" id="second"></div>

            
            <span></span>
            <span></span>
            <span></span>
            <span></span>
            <span></span>
            <span></span>
            <span></span>
            <span></span>
        </div>
    </div>

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500&display=swap');

*,
*::after,
*::before{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html{
    font-size: 62.5%;
}
 
body{
    width: 100%;
    min-height: 100vh;
    background-color: #FFE6E6;
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container{
    width: 32rem;
    height: 32rem;
    /* background-color: #fff; */
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    background: rgb(238,238,238);
    background: radial-gradient(circle, rgba(238,238,238,1) 0%, rgba(210,228,214,1) 37%, rgba(179,217,187,1) 57%, rgba(162,211,172,1) 89%, rgba(116,196,132,1) 100%);
    border-radius: 50%;
    padding: 20px;

    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 50px;
}
.clock{
    border-radius: 50%;
    height: 100%;
    width: 100%;
    position: relative;
    background: radial-gradient(circle, rgba(221,6,24,0.1) 0%, rgba(231,55,79,1) 0%, rgba(246,126,158,1) 71%, rgba(247,130,163,1) 91%, rgba(254,164,201,1) 100%);
    overflow: hidden;
}

.hand{
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    transform-origin: bottom;
    transition: all .5 ease-in-out ;
    z-index: 5;
    
    border-top-left-radius: 50%;
    border-top-right-radius: 50%;
}
.center{
    position: absolute;
    background-color: #000;
    width: 14px;
    height: 14px;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    border-radius: 50%;
    z-index: 10;
    box-shadow: 0 2px 4px -1px #000;
}
.hour{
    height: 65px;
    width: 4px;
    top: 75px;
    background-color: #262A53;
}
.minute{
    height: 80px;
    width: 3px;
    top: 60px;
    background-color: #262a53e3;
}
.second{
    height: 90px;
    width: 2px;
    top: 50px;
    background-color: #28FFBF;
}

span{
    /* position: absolute; */
    display: inline-block;
    width: 10px;
    height: 15px;
    margin: 21.5px;
    background-color: #333;
    z-index: 14;
    border-radius: 50% 50% 50% 50% / 55% 55% 45% 45%;
}
span:nth-of-type(1){
    position: absolute;
    top: 0px;
    left: 40%;
}
span:nth-of-type(2){
    position: absolute;
    bottom: 0px;
    left: 40%;
}
span:nth-of-type(3){
    position: absolute;
    left: 0px;
    top: 40%;
    width: 15px;
    height: 10px;

}
span:nth-of-type(4){
    position: absolute;
    right: 0px;
    top: 40%;
    width: 15px;
    height: 10px;

}
span:nth-of-type(5){
    position: absolute;
    left: 30px;
    top: 10%;
    transform: rotate(-225deg);
}
span:nth-of-type(6){
    position: absolute;
    right: 30px;
    top: 10%;
    transform: rotate(225deg);
}
span:nth-of-type(7){
    position: absolute;
    left: 30px;
    bottom: 10%;
    transform: rotate(-135deg);
}
span:nth-of-type(8){
    position: absolute;
    right: 30px;
    bottom: 10%;
    transform: rotate(135deg);
}

const hourEl = document.querySelector('.hour');
const minuteEl = document.querySelector('.minute');
const secondEL = document.querySelector('.second');


const setTime = () => {
    let date_now = new Date();

    let date = date_now.getDate();
    let day = date_now.getDay();
    let month = date_now.getMonth();
    let year = date_now.getFullYear();

    let hr = date_now.getHours();
    let min = date_now.getMinutes();
    let sec = date_now.getSeconds();

    let calc_hr = (hr * 30) + (min / 2);
    let calc_min = (min * 6) + (sec / 10);
    let calc_sec = sec * 6;
    
    hourEl.style.transform = `rotate(${calc_hr}deg)`;
    minuteEl.style.transform = `rotate(${calc_min}deg)`;
    secondEL.style.transform = `rotate(${calc_sec}deg)`;
}
setTime()
setInterval( setTime, 1000);