46 lines
2.0 KiB
Plaintext
46 lines
2.0 KiB
Plaintext
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Aurora Admin · Countdown</title>
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<link rel="stylesheet" href="../.design_library/aurora-admin/colors_and_type.css" />
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<link rel="stylesheet" href="./Countdown.css" />
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</head>
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<body>
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<div class="aa-page">
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<h2 class="aa-h2">Countdown 倒计时</h2>
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<p class="aa-desc">用于秒杀、验证码、会议开始等场景，支持天/时/分/秒，结束触发回调。</p>
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<div class="aa-demo">
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<div class="aa-demo__title">距活动结束</div>
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<div class="aa-countdown" role="timer" aria-live="polite" id="cd"></div>
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</div>
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</div>
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<script>
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var target = Date.now() + 2 * 3600 * 1000 + 35 * 60 * 1000 + 12 * 1000; // 2h35m12s
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var root = document.getElementById('cd');
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function renderCountdown() {
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var diff = target - Date.now();
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if (diff <= 0) {
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clearInterval(timer);
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root.innerHTML = '<span class="aa-countdown-done" role="timer" aria-live="polite">活动已结束</span>';
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return;
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}
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var s = Math.floor(diff / 1000);
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var d = Math.floor(s / 86400); s %= 86400;
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var h = Math.floor(s / 3600); s %= 3600;
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var m = Math.floor(s / 60); var sec = s % 60;
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var pad = function (n) { return String(n).padStart(2, '0'); };
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var seg = function (num, label) {
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return '<div class="aa-countdown-seg" role="timer" aria-live="polite"><span class="aa-countdown-num" aria-live="polite">' + pad(num) + '</span><span class="aa-countdown-label" aria-live="polite">' + label + '</span></div>';
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};
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root.innerHTML = (d > 0 ? seg(d, '天') : '') + seg(h, '时') + '<span class="aa-countdown-sep" aria-live="polite">:</span>' + seg(m, '分') + '<span class="aa-countdown-sep" aria-live="polite">:</span>' + seg(sec, '秒');
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}
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renderCountdown(); // 首帧立即渲染，避免初始 1 秒空白
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var timer = setInterval(renderCountdown, 1000);
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</script>
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</body>
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</html>
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