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楼主 |
发表于 2022-6-26 12:17
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为方便大家学习、理解,帖子全码贴出:
- <style>
- .papa { left: -214px; width: 1024px; height: 600px; background: rgba(0,0,0,.4) url('https://638183.freep.cn/638183/t22/51/dusky.jpg') no-repeat center / cover; overflow: hidden; box-shadow: 0 4px 24px #000; position: relative; }
- .papa input { border: none; outline: none; opacity: .75; cursor: pointer; }
- .papa p { margin: 0; padding: 0; }
- .playbox { margin: auto; position: relative; top: 20px; padding: 10px; width: fit-content; font: normal 1em sans-serif; color: snow; background: rgba(255,255,255,.25); backdrop-filter: blur(2px); overflow: hidden; box-shadow: 1px 2px 2px #000; text-shadow: 1px 1px 1px #000; z-index: 100; }
- #btnplay { width: 30px; height: 30px; border-radius: 50%; }
- #btnplay:hover { background: #aaa; color: #ff0000; }
- @keyframes opa { to { opacity: 0; } }
- </style>
- <div class="papa">
- <div class="playbox">
- <p id="geci" style="font-size: 1.2em">LRC Loading ... </p>
- <p style="display: flex; align-items: center; gap: 4px; margin-top: 10px;">
- <input id="btnplay" type="button" value=">" />
- <input id="slider" type="range" min="0" max="100" value="0" />
- <span id="per">0:0 | 0:0</span>
- </p>
- </div>
- <img src="https://638183.freep.cn/638183/t22/51/dusky2.jpg" alt="" style="position: absolute; top:0; left:0; width: 100%; height: 100%; animation: opa 8s infinite alternate;" />
- <audio id="aud" src="https://music.163.com/song/media/outer/url?id=519604416.mp3" autoplay="autoplay" loop="loop"></audio>
- </div>
- <script>
- let slider = document.querySelector('#slider'),
- aud = document.querySelector('#aud'),
- per = document.querySelector('#per'),
- btnplay = document.querySelector('#btnplay'),
- geci = document.querySelector('#geci');
- let slip = 0;
- let lrcAr = [
- ['0.00','Dusky World - 纯音乐'],
- ['60.58','歌手:MoreanP'],
- ['100.00','愿音乐是灵魂的伴侣'],
- ['160.00','祝你愉快']
- ];
- slider.onmousedown = () => aud.pause();
- slider.onchange = () => { aud.currentTime = slider.value * aud.duration / 100; aud.play(); }
- btnplay.onclick = () => aud.paused ? aud.play() : aud.pause();
- aud.addEventListener('playing', () => btnplay.value = '||');
- aud.addEventListener('pause', () => btnplay.value = '>');
- aud.addEventListener('timeupdate', () => {
- let prog = 100 * aud.currentTime / aud.duration;
- slider.value = prog;
- per.innerText = toMin(aud.currentTime) + ' | ' + toMin(aud.duration);
- for(j=0; j<lrcAr.length; j++){
- if(aud.currentTime >= lrcAr[j][0] - slip){
- geci.innerHTML = lrcAr[j][1];
- }
- }
- });
- let toMin = (sec) => {
- if(!sec) return '0:00';
- sec = parseInt(sec);
- return parseInt(sec / 60) + ':' + parseFloat(sec % 60).toString().padStart(2,'0');
- }
- </script>
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