夕颜花

马黑黑 · 发表于 2022-10-21 07:26

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本帖最后由马黑黑于 2022-10-23 11:55 编辑

花潮lrc在线

马黑黑 · 发表于 2022-10-21 07:30

本帖，将纯svg音频播放控制器 + 歌词同步，代码如下：

<style>
#papa { margin: auto; width: 1024px; height: 640px; background: url('https://638183.freep.cn/638183/t22/webp/xiyjhx.webp') no-repeat center/cover; box-shadow: 3px 3px 20px #000; position: relative; display: grid; place-items: center; user-select: none; z-index: 1; --opt: .25; }
#papa::before { position: absolute; content: ''; width: 100%; height: 100%; background: url('https://638183.freep.cn/638183/t22/webp/124.gif') repeat; opacity: var(--opt); }
#mplayer { position: absolute; bottom: 0; z-index: 9; }
#lrc { --motion: cover1; --tt: 5s; --state: paused; position: absolute; top: 30px; font: bold 2.4em sans-serif; color: hsl(0,10%,90%); -webkit-background-clip: text; filter: drop-shadow(1px 1px 2px hsla(0,0%,0%,.95)); }
#lrc::before { position: absolute; content: attr(data-lrc); width: 20%; height: 100%; color: transparent; overflow: hidden; white-space: nowrap; background: linear-gradient(180deg,hsla(280,100%,50%,.75),hsla(180,100%,50%,.75)); filter: inherit; -webkit-background-clip: text; animation: var(--motion) var(--tt) linear forwards; animation-play-state: var(--state); }
@keyframes cover1 { from { width: 0; } to { width: 100%; } }
@keyframes cover2 { from { width: 0; } to { width: 100%; } }
</style>
<div id="papa">
<div id="lrc" data-lrc="花潮lrc在线">花潮lrc在线</div>
<svg id="mplayer" width="360" height="60" style="user-select: none;">
<rect x="50" y="25" rx="6" ry="6" width="200" height="12" stroke="hsla(280,90%,55%,.45)" fill="hsla(60,100%,92%,.35)" id="track" />
<rect x="50" y="25" rx="6" ry="6" width="0" height="12" stroke="transparnet" fill="hsla(280,90%,55%,.45)" id="prog" />
<text x="260" y="31" font-size="14" dominant-baseline="middle" stroke="none" fill="tan" id="audtime">00:00 | 00:00</text>
<text x="10" y="35" font-size="40" dominant-baseline="middle" stroke="tan" fill="purple" id="btnplay" style="cursor: pointer;">☀
<animateTransform attributeName="transform" dur="4s" type="rotate" from="0 26.86 30" to="360 26.86 30" repeatCount="indefinite" />
</text>
</svg>
</div>
<script>
(function() {
let mp = { len: track.getAttribute('width')*1, x: track.getAttribute('x')*1 }, aud = new Audio(), mKey = 0, mFlag = true;
let lrcAr = [[0.25,"歌名：夕颜花",19.8],[20,"词曲唱：Whle",18.1],[38.13,"等来垂暮",2.6],[41.24,"便可分享月光",4.0],[45.92,"何须匆忙",3.0],[50.37,"此夜甚长",2.7],[53.5,"霞光还在天涯",4.0],[58.24,"岁月尤然",3.5],[124.86,"等来垂暮",2.6],[127.92,"便可分享月光",4.0],[132.66,"何须匆忙",3.0],[137.12,"此夜甚长",2.7],[140.22,"霞光还在天涯",4.0],[144.92,"岁月尤然",3.5]];
aud.src = 'https://music.163.com/song/media/outer/url?id=1973395208.mp3';
aud.loop = true;
aud.autoplay = true;
if(aud.paused) mplayer.pauseAnimations();
btnplay.onclick = () => aud.paused ? aud.play() : aud.pause();
prog.onclick = track.onclick = (e) => aud.currentTime = aud.duration * (e.offsetX - mp.x) / mp.len;
aud.addEventListener('seeked', () => calcKey());
aud.addEventListener('pause', () =>mState());
aud.addEventListener('play', () =>mState());
aud.addEventListener('timeupdate', () => {prog.style.setProperty('width', aud.currentTime * 200 / aud.duration + 'px');audtime.textContent = toMin(aud.currentTime) + ' | ' + toMin(aud.duration);for(j=0; j<lrcAr.length; j++) {if(aud.currentTime >= lrcAr[j][0]) {cKey = j;if(mKey === j) showLrc(lrcAr[j][2]);else continue;}}});
let calcKey = () => {for(j = 0; j < lrcAr.length; j ++) {if(aud.currentTime <= lrcAr[j][0]) {mKey = j - 1;break;}}if(mKey <0) mKey = 0;if(mKey > lrcAr.length - 1) mKey = lrcAr.length - 1;let time = lrcAr[mKey][2] - (aud.currentTime - lrcAr[mKey][0]);showLrc(time);};
let showLrc = (time) => {let name = mFlag ? 'cover1' : 'cover2';lrc.innerHTML = lrc.dataset.lrc = lrcAr[mKey][1];lrc.style.setProperty('--motion', name);lrc.style.setProperty('--tt', time + 's');lrc.style.setProperty('--state', 'running');mKey += 1;mFlag = !mFlag;};
let mState = () => aud.paused ? (mplayer.pauseAnimations(),lrc.style.setProperty('--state', 'paused'),papa.style.setProperty('--opt','0')) : (mplayer.unpauseAnimations(), lrc.style.setProperty('--state', 'running'),papa.style.setProperty('--opt','.25'));
let toMin = (val) => {if (!val) return '00:00';val = Math.floor(val);let min = parseInt(val / 60), sec = parseFloat(val % 60);if(min < 10) min = '0' + min;if(sec < 10) sec = '0' + sec;return min + ':' + sec;}
})();
</script>

复制代码

马黑黑 · 发表于 2022-10-21 07:35

本帖最后由马黑黑于 2022-10-21 07:55 编辑

夕颜花，正式名称是月光花，爱为其花语。此花黄昏盛开，次晨凋零，喻消香玉损。

此歌，可推测属念故人之作。歌词简短，一唱三叹，在独特的配乐烘托下，将情感推入极深的境地。

马黑黑 · 发表于 2022-10-21 07:45

svg rect+text 元素的播放器，在我的花园有一些解释，这里再补充几句：

用 rect 画出两个圆角矩形，一个做 track（轨道），一个做 prog（progress，进度），后者初始长度为0，由 audio 控件的播放进度改变它的长度（它连同track也可以反过来改变audio的播放进度）。有一个小小的缺陷：音乐播放之初，进度条的表现很丑，这是因为圆角和矩形宽度的比例问题——宽度极小时圆角呈现怪异。不过，黑不掩白，哦不，是瑕不掩瑜，整体，播放器还是很漂酿的。