人生倒计时HTML源码
灵感来源于一个叫Joe的emlog主题，强调一下：只是灵感抄袭，代码绝对没有任何抄袭！
补充：Joe的主题我也不太确定是哪个程序的原创主题
<html>
<head>
<meta charset="UTF-8">
<title>人生倒计时</title>
<style>
body{background:linear-gradient(to right,#9796f0,#fbc7d4);color:#333;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:'Muli';height:100vh;margin:0}.reviews-container{background-color:#fff;border-radius:5px;box-shadow:0 3px 10px -5px rgba(0,0,0,0.3);padding:20px}.review{color:#777;padding:10px 10px 20px 10px;font-size:14px}.progress{background-color:rgba(100,100,100,0.2);border-radius:5px;position:relative;height:10px;width:200px;margin-right:50px;margin-top:10px}.progress-done{background:linear-gradient(to left,#f2709c,#ff9472);box-shadow:0 3px 3px -5px #f2709c,0 2px 5px #f2709c;border-radius:5px;height:10px;transition:width 2s ease .3s;animation:barberpole 9s linear infinite;background-image:linear-gradient(45deg,rgba(255,255,255,.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.15) 50%,rgba(255,255,255,.15) 75%,transparent 75%,transparent);background-size:40px 40px}@keyframes barberpole{from{background-position:0 0}to{background-position:500px 0}}.percent{color:#333;float:right;margin-top:-14px}.social-panel-container{position:fixed;right:0;bottom:80px;transform:translateX(100%);transition:transform .4s ease-in-out}.social-panel-container.visible{transform:translateX(-10px)}.social-panel{background-color:#fff;border-radius:16px;box-shadow:0 16px 31px -17px rgba(0,31,97,0.6);border:5px solid #001f61;display:flex;flex-direction:column;justify-content:center;align-items:center;font-family:'Muli';position:relative;height:169px;width:370px;max-width:calc(100% - 10px)}.social-panel button.close-btn{border:0;color:#97a5ce;cursor:pointer;font-size:20px;position:absolute;top:5px;right:5px}.social-panel button.close-btn:focus{outline:0}.social-panel p{background-color:#001f61;border-radius:0 0 10px 10px;color:#fff;font-size:14px;line-height:18px;padding:2px 17px 6px;position:absolute;top:0;left:50%;margin:0;transform:translateX(-50%);text-align:center;width:235px}.social-panel p a{color:#ff7500;text-decoration:none}.social-panel h4{margin:20px 0;color:#97a5ce;font-family:'Muli';font-size:14px;line-height:18px;text-transform:uppercase}.social-panel ul{display:flex;list-style-type:none;padding:0;margin:0}.social-panel ul li{margin:0 10px}.social-panel ul li a{border:1px solid #dce1f2;border-radius:50%;color:#001f61;font-size:20px;display:flex;justify-content:center;align-items:center;height:50px;width:50px;text-decoration:none}.social-panel ul li a:hover{border-color:#ff6a00;box-shadow:0 9px 12px -9px #ff6a00}.floating-btn{border-radius:26.5px;background-color:#001f61;border:1px solid #001f61;box-shadow:0 16px 22px -17px #03153b;color:#fff;cursor:pointer;font-size:16px;line-height:20px;padding:12px 20px;position:fixed;bottom:20px;right:20px;z-index:999}.floating-btn:hover{background-color:#fff;color:#001f61}.floating-btn:focus{outline:0}.floating-text{background-color:#001f61;border-radius:10px 10px 0 0;color:#fff;font-family:'Muli';padding:7px 15px;position:fixed;bottom:0;left:50%;transform:translateX(-50%);text-align:center;z-index:998}.floating-text a{color:#ff7500;text-decoration:none}
</style>
</head>
<body>
<div class="reviews-container">
<h2>人生倒计时</h2>
<div class="review time">
<span class="icon-container"></span>
<div class="progress">
<div class="progress-done" data-done=""></div>
</div>
<span class="percent"></span>
</div>
<div class="review week">
<span class="icon-container"></span>
<div class="progress">
<div class="progress-done" data-done=""></div>
</div>
<span class="percent"></span>
</div>
<div class="review month">
<span class="icon-container"></span>
<div class="progress">
<div class="progress-done" data-done=""></div>
</div>
<span class="percent"></span>
</div>
<div class="review year">
<span class="icon-container"></span>
<div class="progress">
<div class="progress-done" data-done=""></div>
</div>
<span class="percent"></span>
</div>
<div class="review festival">
<span class="icon-container"></span>
<div class="progress">
<div class="progress-done" data-done=""></div>
</div>
<span class="percent"></span>
</div>
</div>
<script>
const hh = new Date().getHours(),mm = new Date().getMinutes(),hhmmt = hh + '.' + mm;
document.querySelector('.time .icon-container').innerText = '今天已过去 ' + hh + ' 小时';
document.querySelector('.time .progress-done').setAttribute("data-done", parseInt(hhmmt/24*100));
document.querySelector('.time .percent').innerText = parseInt(hhmmt/24*100) + '%';
dd = new Date().getDay();
if(dd==0){dd=7};
document.querySelector('.week .icon-container').innerText = '本周已过去 ' + dd + ' 天';
document.querySelector('.week .progress-done').setAttribute("data-done", parseInt(dd/7*100));
document.querySelector('.week .percent').innerText = parseInt(dd/7*100) + '%';
const md = new Date().getDate(),months = new Date(new Date().getFullYear(), new Date().getMonth()+1, 0).getDate();
document.querySelector('.month .icon-container').innerText = '本月已过去 ' + md + ' 天';
document.querySelector('.month .progress-done').setAttribute("data-done", parseInt(md/months*100));
document.querySelector('.month .percent').innerText = parseInt(md/months*100) + '%';
const yy = new Date().getMonth();
document.querySelector('.year .icon-container').innerText = '今年已过去 ' + yy + ' 个月 零 ' + md + ' 天';
document.querySelector('.year .progress-done').setAttribute("data-done", parseInt(yy/12*100));
document.querySelector('.year .percent').innerText = parseInt(yy/12*100) + '%';
const d1="2023/01/22 00:00:00";
const dateBegin = new Date(d1);
const dateEnd = new Date();
const dateDiff = dateEnd.getTime() - dateBegin.getTime();//时间差的毫秒数
const dayDiff = Math.floor(dateDiff / (24 * 3600 * 1000));//计算出相差天数
const leave1=dateDiff%(24*3600*1000) //计算天数后剩余的毫秒数
const hours=Math.floor(leave1/(3600*1000))//计算出小时数
const dayDifft = 365+dayDiff;
document.querySelector('.festival .icon-container').innerText = '离春节还有' + Math.abs(dayDiff) + '天' +Math.abs(hours)+'时';
document.querySelector('.festival .progress-done').setAttribute("data-done", parseInt(dayDifft/365*100));
document.querySelector('.festival .percent').innerText = parseInt(dayDifft/365*100) + '%';
const progressDone = document.querySelectorAll('.progress-done');
progressDone.forEach(progress => {
progress.style.width = progress.getAttribute('data-done') + '%';
if(progress.getAttribute('data-done')<=100 && progress.getAttribute('data-done')>80){
progress.style.backgroundColor = "#d9534f";
progress.style.boxShadow = "-2px 2px 5px 0px #d9534f";
}
if(progress.getAttribute('data-done')<=80 && progress.getAttribute('data-done')>60){
progress.style.backgroundColor = "#f0ad4e";
progress.style.boxShadow = "-2px 2px 5px 0px #f0ad4e";
}
if(progress.getAttribute('data-done')<=60 && progress.getAttribute('data-done')>40){
progress.style.backgroundColor = "#5bc0de";
progress.style.boxShadow = "-2px 2px 5px 0px #5bc0de";
}
if(progress.getAttribute('data-done')<=40 && progress.getAttribute('data-done')>20){
progress.style.backgroundColor = "#5cb85c";
progress.style.boxShadow = "-2px 2px 5px 0px #5cb85c";
}
if(progress.getAttribute('data-done')<=20 && progress.getAttribute('data-done')>=0){
progress.style.backgroundColor = "#5cb85c";
progress.style.boxShadow = "-2px 2px 5px 0px #5cb85c";
}
});
</script>
</body>
</html>有个朋友想让我把上面的javascript部分用另一种方式重写一下（思路可能不太符合他胃口），今天来补一下
let NewDate = new Date(),Year = NewDate.getFullYear(),hh = NewDate.getHours(),mm = NewDate.getMinutes(),hhmmt = hh + '.' + mm,
dd = NewDate.getDay(),md = NewDate.getDate(),
months = new Date(NewDate.getFullYear(), NewDate.getMonth()+1, 0).getDate(),
yy = NewDate.getMonth(),d1="2023/01/22 00:00:00",dateBegin = new Date(d1),dateDiff = NewDate.getTime() - dateBegin.getTime(),dayDiff = Math.floor(dateDiff / (24 * 3600 * 1000)),leave1=dateDiff%(24*3600*1000),hours=Math.floor(leave1/(3600*1000)),dayDifft = 365+dayDiff,allreviews = document.querySelectorAll('.review'); if(dd==0){dd=7}
let reviewsTexts = [
{
title:'今天已过去 ' + hh + ' 小时',
data_done:parseInt(hhmmt/24*100)
},
{
title:'本周已过去 ' + dd + ' 天',
data_done:parseInt(dd/7*100)
},
{
title:'本月已过去 ' + md + ' 天',
data_done:parseInt(md/months*100)
},
{
title:'今年已过去 ' + yy + ' 个月 零 ' + md + ' 天',
data_done:parseInt(yy/12*100)
},
{
title:'距' + (Year+1) + '年春节还剩 ' + Math.abs(dayDiff) + ' 天 ' + Math.abs(hours)+' 小时',
data_done:parseInt(dayDifft/365*100)
}
];
allreviews.forEach((review, i) => { const { title, data_done } = reviewsTexts[i];
// 缓存元素
const iconContainer = review.querySelector(".icon-container");
const percentElement = review.querySelector(".percent");
const progressDone = review.querySelector(".progress-done");
// 更新文本内容
iconContainer.innerText = title;
percentElement.innerText = data_done + '%';
progressDone.style.width = data_done + '%';
// 选择颜色
let color;
if (data_done > 80) { color = '#d9534f';} else
if (data_done > 60) { color = '#f0ad4e';} else
if (data_done > 40) { color = '#5bc0de';} else
{ color = '#5cb85c';}
// 更新进度条样式
progressDone.style.backgroundColor = color;
progressDone.style.boxShadow = `0px 2px 5px 0px ${color}`; });可以理解为代码简化，如果也想用这个版本的话，就用这里面的代码全部替换原来的javascript代码就可以了，其他html和css部分不变。
更新日志
2022-02-28 优化：自动获取当前年份
2021-12-12 优化：对剩余月份的准确度修改
2021-10-31 优化：对日期的判断优化，更简洁的代码处理（网友给的建议）
2021-10-29 新增：javascript部分新增另外一个种写法（其他部分不变）
2021-10-24 修复：一个小bug
2021-10-23 新增：根据进度条的百分比调整对应的颜色（有四种颜色）
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