PK創意鬧新春，我正在參加「春節創意投稿大賽」，詳情請看：春節創意投稿大賽

前言

我是歌謠我有個兄弟巔峯的時候排名c站總榜19 叫前端小歌謠曾經我花了三年的時間創作了他現在我要用五年的時間超越他今天又是接近兄弟的一天人生難免坎坷大不了從頭再來歌謠的意志是永恆的放棄很容易但是堅持一定很酷

導語

歌謠歌謠新的一年就要到了可否寫一個春節的倒計時呢我想看看哪天可以過春節

效果預覽

html部分

```

春節倒計時

春節倒計時2022

```

移動端樣式（mobile.css）

@media screen and (max-width: 1025px) { * { margin: 0; padding: 0; } body { background: rgb(129, 155, 190) url(../image/geyao1.jpg); background-size: cover; background-position: center center; height: 100%; } .container { margin: 0; color: #fff; line-height: normal; position: absolute; align-items: center; left: 5%; right: 5%; } .container h2 { font-size: 6em; text-align: center; margin: 10% 0; color: #fff; } .container h2 span { color: #fff; display: block; text-align: center; font-size: 0.3em; font-weight: 300; letter-spacing: 2px; } .countdown { display: flex; justify-content: space-around; margin: 0; } .countdown div { width: 20%; height: 13vw; margin: 0 10px; line-height: 13vw; font-size: 2em; position: relative; text-align: center; background: #333333; color: #ffffff; font-weight: 500; border-radius: 10px 10px 0 0; } .countdown div:before { content: ''; position: absolute; bottom: -30px; left: 0; width: 100%; height: 30px; background: #b00000; color: #ffffff; font-size: 0.4em; line-height: 35px; font-weight: 300; border-radius: 0 0 10px 10px; } .countdown #day:before { content: '天'; } .countdown #hour:before { content: '時'; } .countdown #minute:before { content: '分'; } .countdown #second:before { content: '秒'; } }

pc端樣式（style.css）

```

{ margin: 0; padding: 0; font-family: 'Poppins', sans-serif; } @media screen and (min-width: 1025px) { body { background: rgb(129, 155, 190) url(../image/geyao1.jpg); background-attachment: fixed; background-size: cover; -webkit-background-size: cover; -o-background-size: cover; } .container { position: absolute; top: 80px; left: 100px; right: 100px; bottom: 80px; background-size: cover; -webkit-background-size: cover; -o-background-size: cover; display: flex; justify-content: center; align-items: center; flex-direction: column; box-shadow: 0 50px 50px rgba(0, 0, 0, 0.8), 0 0 0 100px rgba(0, 0, 0, 0.3); } .container h2 { text-align: center; font-size: 10em; line-height: 0.7em; color: #ffffff; margin-top: -80px; } .container h2 span { display: block; font-weight: 300; letter-spacing: 6px; font-size: 0.2em; } .countdown { display: flex; margin-top: 50px; } .countdown div { position: relative; width: 100px; height: 100px; line-height: 100px; text-align: center; background: #333; color: #fff; margin: 0 15px; font-size: 3em; font-weight: 500; border-radius: 10px 10px 0 0; } .countdown div:before { content: ''; position: absolute; bottom: -30px; left: 0; width: 100%; height: 35px; background: #b00000; color: #ffffff; font-size: 0.35em; line-height: 35px; font-weight: 300; border-radius: 0 0 10px 10px; } .countdown #day:before { content: '天'; } .countdown #hour:before { content: '時'; } .countdown #minute:before { content: '分'; } .countdown #second:before { content: '秒'; } } canvas { width: 100%; height: 100%; } ::-webkit-scrollbar { display: none; }

btn{

margin: 40px; width: 100px; height: 30px; background: pink; text-align: center; color: darkred; line-height: 30px; } ```

js部分

class Snowflake { constructor() { this.x = 0; this.y = 0; this.vx = 0; this.vy = 0; this.radius = 0; this.alpha = 0; this.reset(); } reset() { this.x = this.randBetween(0, window.innerWidth); this.y = this.randBetween(0, -window.innerHeight); this.vx = this.randBetween(-3, 3); this.vy = this.randBetween(2, 5); this.radius = this.randBetween(1, 4); this.alpha = this.randBetween(0.1, 0.9); } randBetween(min, max) { return min + Math.random() * (max - min); } update() { this.x += this.vx; this.y += this.vy; if (this.y + this.radius > window.innerHeight) { this.reset(); } } } class Snow { constructor() { this.canvas = document.createElement('canvas'); this.ctx = this.canvas.getContext('2d'); document.body.appendChild(this.canvas); window.addEventListener('resize', () => this.onResize()); this.onResize(); this.updateBound = this.update.bind(this); requestAnimationFrame(this.updateBound); this.createSnowflakes(); } onResize() { this.width = window.innerWidth; this.height = window.innerHeight; this.canvas.width = this.width; this.canvas.height = this.height; } createSnowflakes() { const flakes = window.innerWidth / 4; this.snowflakes = []; for (let s = 0; s < flakes; s++) { this.snowflakes.push(new Snowflake()); } } update() { this.ctx.clearRect(0, 0, this.width, this.height); for (let flake of this.snowflakes) { flake.update(); this.ctx.save(); this.ctx.fillStyle = '#FFF'; this.ctx.beginPath(); this.ctx.arc(flake.x, flake.y, flake.radius, 0, Math.PI * 2); this.ctx.closePath(); this.ctx.globalAlpha = flake.alpha; this.ctx.fill(); this.ctx.restore(); } requestAnimationFrame(this.updateBound); } } new Snow(); var stop = false; function show_runtime() { var newDay = '2022/2/1 00:00:00'; var countDate = new Date(newDay); var now = new Date().getTime(); gap = countDate - now; var second = 1000; var minute = second * 60; var hour = minute * 60; var day = hour * 24; var d = Math.floor(gap / day); var h = Math.floor((gap % day) / hour); var m = Math.floor((gap % hour) / minute); var s = Math.floor((gap % minute) / second); if ((d, h, m, s < 0)) { stop = true; } else { document.getElementById('day').innerText = d; document.getElementById('hour').innerText = h; document.getElementById('minute').innerText = m; document.getElementById('second').innerText = s; } } function newyear() { document.getElementById('title').innerText = 'Happy Spring Festival'; document.getElementById('day').innerText = '春'; document.getElementById('hour').innerText = '節'; document.getElementById('minute').innerText = '快'; document.getElementById('second').innerText = '樂'; } var time = setInterval(() => { show_runtime(); if (stop === true) { newyear(); clearInterval(time); } }, 1000); // 定時器控制圖片自動切換 function downTime() { let item = 1; setInterval(() => { item++; if (item === 4) { item = 1; } console.log(item, 'item'); document.body.style.backgroundImage = `url(./image/geyao${item}.jpg)`; return item; e.stopPropagation(); //取消事件冒泡 }, 2000); } window.onload = downTime;