抽獎程序web程序

使用html實現抽獎程序，沒有后臺，如果需要后續寫個后臺可以配置，沒有過多的介紹，看代碼吧
<!DOCTYPE html>
<html lang="zh">
<head><meta charset="UTF-8"><title>婚禮抽獎</title><style>html, body {height: 100%;margin: 0;padding: 0;/* 這里改成紅色漸變 */background: radial-gradient(circle at 60% 10%, #ffb2b2 0%, #d7000f 100%);overflow: hidden;}body {font-family: '微軟雅黑','Segoe UI',Arial,sans-serif;}/* 跑馬燈樣式 */.marquee-bar-wrap {position: fixed;left:0; top: 0;width:100vw;height: 46px;background: linear-gradient(90deg,#ffdce7 0%,#fffbe7 60%,#ffdce7 100%);border-bottom: 2px solid #ffb6c1;z-index: 3000;box-shadow: 0 4px 20px #ffe4e950;display: flex;align-items: center;overflow: hidden;pointer-events: none;}.marquee-bar-content {position: absolute;white-space: nowrap;font-size: 1.45em;color: #e75480;font-weight: bold;letter-spacing: 2px;text-shadow: 0 2px 10px #fff0f7f0;left: 100vw;animation: marqueeMove 16s linear infinite;}@keyframes marqueeMove {from { left: 100vw; }to   { left: -100vw;}}.container {position: absolute;left: 50%; top: 50%;transform: translate(-50%,-50%);width: 1200px;height: 700px;background: rgba(255,255,255,0.93);border-radius: 36px;box-shadow: 0 10px 80px #f8bbd0bb;overflow: hidden;z-index: 1;}.title-area {position: absolute;width: 100%;top: 0;left: 0;text-align: center;z-index: 10;pointer-events: none;}h1 {margin: 36px 0 10px 0;font-size: 2.8em;color: #d72660;letter-spacing: 3px;font-weight: bold;}.subtitle {font-size: 1.3em;color: #a93a48;margin-bottom: 10px;letter-spacing: 2px;}.draw-btn {position: absolute;left: 50%; top: 620px;transform: translateX(-50%);font-size: 1.35em;background: linear-gradient(90deg, #ffb6c1 0%, #d72660 100%);border: none;color: #fff;padding: 18px 58px;border-radius: 32px;cursor: pointer;box-shadow: 0 4px 25px #d7266040;font-weight: bold;letter-spacing: 2px;outline: none;opacity: 1;transition: 0.2s;z-index: 20;}.draw-btn:active { filter: brightness(0.93);}.float-num {position: absolute;width: 80px; height: 80px;border-radius: 50%;background: linear-gradient(135deg,#ffb6c1 0%,#fff0f5 100%);color: #d72660;font-size: 1.9em;font-weight: bold;display: flex;align-items: center;justify-content: center;box-shadow: 0 3px 18px #ffb6c1a0;border: 3px solid #f8bbd0;user-select: none;pointer-events: none;transition: box-shadow 0.18s, transform 0.18s;animation: breatheBubble 2.2s infinite alternate;}@keyframes breatheBubble {0% { box-shadow: 0 3px 18px #ffb6c1a0; }100% { box-shadow: 0 8px 50px #ffd1e0a0, 0 0 28px #fff0f5cc inset;}}.float-num .heart {position: absolute;left: 50%; bottom: -12px;transform: translateX(-50%);font-size: 1.2em;color: #ffb6c1;opacity: 0.8;pointer-events: none;}.float-num.selected {background: linear-gradient(130deg,#e75480 30%,#fff0f7 100%);color: #fff;border: 4px solid #d72660;z-index: 99;animation: popBubble 0.4s cubic-bezier(.41,1.67,.37,1.01), breatheSelected 1.1s infinite alternate;}@keyframes popBubble {0% { transform: scale(1);}60% { transform: scale(1.33) rotate(-16deg);}100% { transform: scale(1) rotate(0);}}@keyframes breatheSelected {0% { box-shadow: 0 0 20px #ffa6c9, 0 0 0 #fff; }100% { box-shadow: 0 0 65px #e75480aa, 0 0 38px #fff0f5cc inset;}}.rings {position: absolute;top: -30px; right: 55px;width: 75px; height: 75px;z-index: 20;pointer-events: none;}.rings svg {width: 100%; height: 100%;}.boy-anim-mask {position: fixed;left: 0; top: 0; right: 0; bottom: 0;width: 100vw; height: 100vh;background: rgba(255,208,220,0.27);z-index: 2000;display: flex;align-items: flex-start;justify-content: center;cursor: pointer;animation: boyFadeInBg 0.38s;}@keyframes boyFadeInBg {from {background: rgba(255,208,220,0);}to   {background: rgba(255,208,220,0.27);}}.boy-anim-content {margin-top: -350px;animation: boySlideIn 1.0s cubic-bezier(.22,1.1,.45,1.01) forwards;display: flex;flex-direction: column;align-items: center;filter: drop-shadow(0 10px 32px #f8bbd0dd);}@keyframes boySlideIn {from { margin-top: -350px; opacity: 0; }80% { opacity: 1; }to { margin-top: 80px; opacity: 1; }}.boy-svg-wrap {width: 230px;height: 300px;position: relative;}.boy-num-holder {position: absolute;left: 50%;top: 62px;transform: translateX(-50%);width: 95px; height: 62px;background: #fffbe7;border-radius: 22px 22px 30px 30px;border: 3.5px solid #ffd5a6;display: flex;align-items: center;justify-content: center;font-size: 2.5em;font-weight: bold;color: #e75480;z-index: 2;box-shadow: 0 4px 16px #ffe1c1c1;letter-spacing: 2px;}.boy-win-text {margin-top: 18px;font-size: 2em;color: #d72660;font-weight: bold;text-shadow: 0 2px 10px #fff7e0;animation: textPop 1s;}@keyframes textPop {0%{ transform: scale(0.7); opacity: 0;}80%{ transform: scale(1.08);}100%{ transform: scale(1); opacity: 1;}}@media (max-width: 1300px) {.container { width: 98vw; min-width:320px; }.draw-btn { top: 83vh;}}@media (max-width: 800px) {.container { width: 100vw; height: 95vh; }}</style>
</head>
<body><!-- 頂部跑馬燈 --><div class="marquee-bar-wrap" id="marqueeBarWrap"><div class="marquee-bar-content" id="marqueeBarContent"></div></div><div class="container" id="float-area" style="top:calc(50% + 23px);"><div class="title-area"><h1>幸福婚禮抽獎</h1><div class="subtitle">各位賓客，誰會成為幸運兒？</div></div><button class="draw-btn" id="drawBtn">💍 抽獎</button><div class="rings"><svg viewBox="0 0 80 60"><ellipse cx="30" cy="30" rx="18" ry="18" fill="#ffe4e9" stroke="#d72660" stroke-width="3"/><ellipse cx="50" cy="30" rx="18" ry="18" fill="#fff0f5" stroke="#b23a48" stroke-width="3"/><rect x="24" y="10" width="12" height="8" rx="2" fill="#ffe4b5" stroke="#b23a48" stroke-width="2" transform="rotate(-15 30 14)"/></svg></div></div><!-- 動畫小男孩中獎展示 --><div id="boyMask" style="display:none;"></div>
<script>
// -------- 跑馬燈部分 --------
const marqueeContent = '歡迎各位賓客參加我們的婚禮，祝大家幸福美滿！抽獎即將開始，祝您好運～';
// ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑
// 在此修改要輪播展示的內容function setMarqueeText(txt){const ele = document.getElementById('marqueeBarContent');// 復制內容兩遍用于連續無縫循環ele.innerHTML = txt + '\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0'+ txt;// 動態調整動畫時長(越長越慢)setTimeout(function(){let w = ele.offsetWidth;let speed = Math.max(12, w/80); // 保證長內容也較慢ele.style.animationDuration = speed+'s';},80);
}
setMarqueeText(marqueeContent);// -------- 主抽獎部分 --------
const floatArea = document.getElementById('float-area');
const areaW = ()=>floatArea.clientWidth;
const areaH = ()=>floatArea.clientHeight;
const BALL_SIZE = 80;
const BALL_NUM = 30;
let balls = [];
let ballElements = [];
let animReq = null;// 1. 生成不重疊的初始位置和速度
function genBalls() {balls = [];ballElements = [];for(let i=1; i<=BALL_NUM; i++) {let tries = 0, maxTry=500, ok = false, bx,by;do {bx = 80 + Math.random()*(areaW()-BALL_SIZE-180);by = 90 + Math.random()*(areaH()-BALL_SIZE-200);ok = balls.every(b => Math.hypot(b.x-bx, b.y-by)>BALL_SIZE*1.07);tries++;} while(!ok && tries<maxTry);let speed = 1.3+Math.random()*0.8;let angle = Math.random()*2*Math.PI;balls.push({num: i,x: bx, y: by,vx: speed*Math.cos(angle),vy: speed*Math.sin(angle)});}
}// 2. 渲染氣泡
function renderBalls() {for(const ele of ballElements) floatArea.removeChild(ele);ballElements = [];for(let i=0;i<balls.length;i++) {let b = balls[i];let div = document.createElement('div');div.className = 'float-num';div.style.left = b.x+'px';div.style.top  = b.y+'px';div.innerHTML = `<span>${b.num}</span><span class="heart">?</span>`;floatArea.appendChild(div);ballElements.push(div);}
}
genBalls();
renderBalls();// 3. 漂浮動畫循環
function floatLoop() {for(let i=0;i<balls.length;i++) {let b = balls[i];// 邊界反彈if(b.x+b.vx<2) { b.vx = Math.abs(b.vx);}if(b.x+b.vx > areaW()-BALL_SIZE-2) { b.vx = -Math.abs(b.vx);}if(b.y+b.vy<40) { b.vy = Math.abs(b.vy);}if(b.y+b.vy > areaH()-BALL_SIZE-2) { b.vy = -Math.abs(b.vy);}// 與其它小球簡單互斥距離（彈彈彈）for(let j=0;j<balls.length;j++) if(i!==j){let b2=balls[j],dx=b.x-b2.x,dy=b.y-b2.y;let d = Math.hypot(dx,dy);if(d>0 && d<BALL_SIZE*0.98){let overlap = (BALL_SIZE*0.98-d)/2;b.x += dx/d*overlap;b.y += dy/d*overlap;}}// 隨機微調速度讓氣泡軌跡更活潑if(Math.random()<0.009) {let angle = Math.atan2(b.vy, b.vx)+((Math.random()-0.5)*0.7);let speed = (1.1+Math.random()*0.9);b.vx = speed*Math.cos(angle);b.vy = speed*Math.sin(angle);}b.x += b.vx;b.y += b.vy;let div = ballElements[i];div.style.left = b.x+'px';div.style.top = b.y+'px';}animReq = requestAnimationFrame(floatLoop);
}
floatLoop();// 4. 抽獎核心
let currentSelectedIdx = null;
const boyMask = document.getElementById('boyMask');function drawLottery() {// 動畫高亮閃爍let idx = 0, step=0;let rounds = Math.floor(Math.random()*2)+2;let totalSteps = rounds*balls.length + Math.floor(Math.random()*balls.length);document.getElementById('drawBtn').disabled = true;function highlightNext() {ballElements.forEach((div,i)=>div.classList.remove('selected'));idx = step%balls.length;ballElements[idx].classList.add('selected');step++;if(step<=totalSteps){let delay;if(step < totalSteps * 0.2) delay = 27;else if(step > totalSteps * 0.85) delay = 130;else delay = 47;setTimeout(highlightNext, delay);}else{currentSelectedIdx = idx;setTimeout(()=>showBoyAnim(balls[idx].num),320);}}highlightNext();
}// 5. 小男孩動畫中獎展示
function showBoyAnim(num){// 1. 內容填充boyMask.innerHTML = `<div class="boy-anim-mask" onclick="closeBoyAnim()"><div class="boy-anim-content" onclick="event.stopPropagation()"><div class="boy-svg-wrap"><svg width="230" height="300" viewBox="0 0 230 300"><rect x="108" y="15" width="16" height="72" rx="9" fill="#ffe4b5" transform="rotate(-7 108 15)" /><ellipse cx="115" cy="20" rx="11" ry="13" fill="#ffd2be" /><ellipse cx="115" cy="75" rx="46" ry="45" fill="#ffe4b5" stroke="#eac086" stroke-width="3"/><ellipse cx="70" cy="88" rx="8" ry="13" fill="#ffd2be" /><ellipse cx="160" cy="88" rx="8" ry="13" fill="#ffd2be" /><path d="M73 62 Q115 17 157 62 Q142 50 115 53 Q88 50 73 62Z" fill="#3f2b1c"/><ellipse cx="115" cy="52" rx="38" ry="13" fill="#3f2b1c"/><ellipse cx="99" cy="60" rx="9" ry="7.5" fill="#3f2b1c"/><ellipse cx="131" cy="60" rx="10" ry="8" fill="#3f2b1c"/><ellipse cx="100" cy="88" rx="6" ry="9" fill="#fff"/><ellipse cx="130" cy="88" rx="6" ry="9" fill="#fff"/><ellipse cx="100" cy="90" rx="2.3" ry="3" fill="#3f2b1c"/><ellipse cx="130" cy="90" rx="2.3" ry="3" fill="#3f2b1c"/><path d="M105 110 Q115 122 125 110" stroke="#b26d59" stroke-width="2.2" fill="none"/><ellipse cx="115" cy="101" rx="3.5" ry="1.6" fill="#b26d59" opacity="0.3"/><rect x="85" y="120" width="60" height="72" rx="28" fill="#7fd5ff" stroke="#5ca3c7" stroke-width="3"/><rect x="37" y="135" width="22" height="64" rx="11" fill="#ffe4b5" transform="rotate(16 50 135)" /><ellipse cx="53" cy="202" rx="11" ry="10" fill="#ffd2be"/><rect x="153" y="140" width="22" height="64" rx="11" fill="#ffe4b5" transform="rotate(-14 164 140)" /><ellipse cx="169" cy="202" rx="11" ry="10" fill="#ffd2be"/><rect x="93" y="193" width="17" height="36" rx="8" fill="#3c6384"/><rect x="120" y="193" width="17" height="36" rx="8" fill="#3c6384"/><ellipse cx="102" cy="232" rx="12" ry="7" fill="#4e2727"/><ellipse cx="128" cy="232" rx="12" ry="7" fill="#4e2727"/></svg><div class="boy-num-holder">${num}</div></div><div class="boy-win-text">🎉 恭喜 ${num} 號中獎！</div></div></div>`;boyMask.style.display = 'block';setTimeout(()=>{ document.getElementById('drawBtn').disabled = false; },1500);
}
function closeBoyAnim(){boyMask.style.display = "none";ballElements.forEach(div=>div.classList.remove('selected'));
}
window.closeBoyAnim = closeBoyAnim;document.getElementById('drawBtn').addEventListener('click', function(){drawLottery();
});window.addEventListener('resize', ()=>{cancelAnimationFrame(animReq);genBalls();renderBalls();floatLoop();
});
</script>
</body>
</html>