声音波段多阶段加载器
在声音波段场景中完成多阶段加载器：包含真实内容、可操作控件、清晰状态反馈和跨尺寸布局。
启用 JavaScript 后可编辑、运行和保存此案例。固定源码如下：
<!doctype html>
<html lang="zh-Hans" dir="ltr">
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>声音波段多阶段加载器</title>
<style>
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@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; } }
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.panel{padding:22px;border:1px solid var(--line);background:color-mix(in srgb,#fff 58%,transparent)}.stack{display:grid;gap:15px}.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.action{min-height:44px;padding:10px 17px;border:1px solid var(--ink);border-radius:999px;background:transparent}.action.primary,.action.is-active{color:var(--paper);background:var(--accent)}.muted{opacity:.68}.status{min-height:24px;margin-top:15px;color:var(--accent);font-weight:800}.metric{font-size:clamp(30px,6vw,58px);font-weight:900}.meter{height:9px;overflow:hidden;border-radius:999px;background:color-mix(in srgb,var(--ink) 12%,transparent)}.meter>i{display:block;height:100%;background:var(--accent)}.chip{padding:6px 9px;border:1px solid var(--line);border-radius:999px;font-size:12px}
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.wave-loader-studio{display:grid;gap:18px;max-width:820px;margin:auto}.wave-loader-studio header{display:flex;justify-content:space-between;gap:18px;align-items:end}.wave-loader-studio h2{margin:.3em 0}.wave-loader-studio output{padding:8px 12px;border-left:4px solid var(--accent);font-weight:900}.wave-loader-grid{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:16px;align-items:start}.wave-bars{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;align-items:end;min-height:220px;padding:18px;border-radius:20px;background:linear-gradient(180deg,#0b1120,#13253a)}.wave-bars i{height:calc(28px + var(--wave,0)*26px);border-radius:999px;background:linear-gradient(180deg,#7ee5ff,#6f87ff);box-shadow:0 0 0 1px #ffffff14 inset}.wave-bars.is-running i{animation:waveBounce .55s ease-in-out infinite}.wave-bars i:nth-child(2){animation-delay:.08s}.wave-bars i:nth-child(3){animation-delay:.16s}.wave-bars i:nth-child(4){animation-delay:.24s}.wave-bars i:nth-child(5){animation-delay:.32s}#waveStages{display:grid;grid-template-columns:repeat(4,1fr);grid-column:1/-1;padding:0;margin:0;list-style:none;text-align:center}#waveStages li.is-active{color:var(--accent);font-weight:900}.wave-actions{display:flex;gap:10px;grid-column:1/-1}.wave-loader-grid aside{display:grid;align-content:start;gap:10px;padding:16px;border-left:4px solid var(--accent);background:color-mix(in srgb,var(--secondary) 10%,transparent)}.wave-loader-grid aside ol{display:grid;gap:8px;padding-left:18px;margin:0}@keyframes waveBounce{50%{transform:translateY(-10px);filter:brightness(1.08)}}@media(max-width:720px){.wave-loader-studio header{align-items:stretch;flex-direction:column}.wave-loader-grid{grid-template-columns:1fr}}.workflow-compare{display:grid;grid-template-columns:minmax(230px,.55fr) minmax(0,1.45fr);gap:18px}.compare-stage{display:grid;gap:12px;min-width:0}.compare-stage>header{display:flex;justify-content:space-between;gap:16px;align-items:end}.compare-stage h2{margin:.2em 0}.compare-core{--compare-split:50%;min-width:0;padding:14px;clip-path:inset(0 calc(100% - var(--compare-split)) 0 0);outline:1px dashed var(--accent);outline-offset:-8px;transition:clip-path .25s,filter .25s}.compare-core[data-compare-channel="B"]{filter:hue-rotate(32deg) saturate(1.15)}.compare-controls{display:grid;align-content:start;gap:16px;padding:20px;border:1px solid var(--line);border-radius:24px 4px 24px 4px;background:var(--paper)}.compare-controls fieldset,.compare-controls>label{display:grid;gap:8px}.compare-controls input[type="range"]{width:100%}#workflowCompareShelf{display:grid;gap:6px;padding:0;margin:0;list-style:none}#workflowCompareShelf li{display:grid;grid-template-columns:auto 1fr auto;gap:8px;padding:9px;border-top:1px solid var(--line);font-size:12px}@media(max-width:900px){.workflow-compare{grid-template-columns:1fr}.compare-stage{order:-1}.compare-core{clip-path:none;border-left:8px solid var(--accent)}}
</style>
</head>
<body data-aesthetic="monochrome" data-composition="studio">
<main class="page">
<header class="mast"><div><span class="eyebrow">monochrome / 多阶段加载器 / ADVANCED</span><h1>声音波段多阶段加载器</h1><p class="intro">在声音波段场景中完成多阶段加载器：包含真实内容、可操作控件、清晰状态反馈和跨尺寸布局。</p></div><span class="scenario">声音波段</span></header>
<div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="声音波段多阶段加载器交互区域"><div class="workflow-compare"><form id="workflowCompareControls" class="compare-controls"><fieldset><legend>对照通道</legend><label><input type="radio" name="workflowChannel" value="A" checked>A · 声音波段开始状态</label><label><input type="radio" name="workflowChannel" value="B">B · 声音波段进行状态</label></fieldset><label>回合进度权重<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 %</output></label><label><input id="workflowCompareFreeze" type="checkbox">冻结当前版本</label><button id="workflowCompareCapture" class="action primary" type="button">采样并更新状态</button><ol id="workflowCompareShelf" aria-label="版本采样记录"></ol></form><section class="compare-stage"><header><span class="eyebrow">声音波段 COMPARE</span><h2>声音波段双版本对照</h2><output id="workflowCompareLive">A 版本等待采样</output></header><section id="workflowCore" class="workflow-core compare-core" data-compare-channel="A" style="--compare-split:50%"><!-- 11DZ_CORE_START:animation-microinteractions-css-loader --><div class="wave-loader-studio panel"><header><div><span class="eyebrow">AUDIO WAVE LOADER</span><h2>声音波段波形缓冲台</h2></div><output id="waveStatus">等待开始缓冲</output></header><div class="wave-loader-grid"><div id="loaderWave" class="wave-bars" role="progressbar" aria-label="音频波形缓冲进度" aria-valuemin="0" aria-valuemax="4" aria-valuenow="0"><i data-wave-bar="0"></i><i data-wave-bar="1"></i><i data-wave-bar="2"></i><i data-wave-bar="3"></i><i data-wave-bar="4"></i></div><ol id="waveStages"><li>采样输入</li><li>对齐节拍</li><li>填充片段</li><li>输出就绪</li></ol><div class="wave-actions"><button id="startLoader" class="action primary" type="button" data-core-bridge="animation-microinteractions-css-loader">开始缓冲</button><button id="resetLoaderRuns" class="action" type="button">清空波形</button></div><aside><strong id="loaderRunCount">已缓冲 0 次</strong><ol id="loaderRunLog"><li>尚未开始缓冲</li></ol></aside></div></div><!-- 11DZ_CORE_END --></section></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
</main>
<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:animation-microinteractions-css-loader */
const waveBars=[...document.querySelectorAll('[data-wave-bar]')];const waveStages=[...document.querySelectorAll('#waveStages li')];const waveLog=document.querySelector('#loaderRunLog');const waveBoard=document.querySelector('#loaderWave');let waveRun=0;let waveTimers=[];const waveFrames=[[1,3,2,4,1],[2,4,3,5,2],[3,5,4,3,2],[4,3,5,2,1]];function resetWaveState(){waveTimers.forEach(clearTimeout);waveTimers=[];waveBoard.classList.remove('is-running');waveBars.forEach(bar=>bar.style.setProperty('--wave','0'));waveStages.forEach(stage=>stage.classList.remove('is-active'));document.querySelector('#waveStatus').textContent='等待开始缓冲';document.querySelector('#loaderWave').setAttribute('aria-valuenow','0');}function appendWaveLog(message){const item=document.createElement('li');item.textContent=message;const empty=waveLog.querySelector('li')?.textContent==='尚未开始缓冲';if(empty)waveLog.replaceChildren(item);else waveLog.prepend(item);while(waveLog.children.length>5)waveLog.lastElementChild.remove();document.querySelector('#loaderRunCount').textContent='已缓冲 '+waveRun+' 次';}document.querySelector('#startLoader').addEventListener('click',()=>{resetWaveState();waveRun+=1;waveBoard.classList.add('is-running');appendWaveLog('第 '+waveRun+' 次缓冲已启动');document.querySelector('#waveStatus').textContent='正在采样波形';announce('已启动第 '+waveRun+' 次本地缓冲');waveFrames.forEach((frame,index)=>waveTimers.push(setTimeout(()=>{frame.forEach((height,barIndex)=>waveBars[barIndex].style.setProperty('--wave',String(height)));waveStages[index]?.classList.add('is-active');document.querySelector('#loaderWave').setAttribute('aria-valuenow',String(index+1));document.querySelector('#waveStatus').textContent=waveStages[index].textContent;if(index===waveFrames.length-1){waveBoard.classList.remove('is-running');appendWaveLog('第 '+waveRun+' 次缓冲完成');}announce('波形阶段：'+waveStages[index].textContent);},(index+1)*320)));});document.querySelector('#resetLoaderRuns').addEventListener('click',()=>{waveRun=0;resetWaveState();waveLog.replaceChildren(Object.assign(document.createElement('li'),{textContent:'尚未开始缓冲'}));document.querySelector('#loaderRunCount').textContent='已缓冲 0 次';announce('波形记录已清空');});
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"animation-microinteractions-css-loader","selector":"[data-core-bridge=\"animation-microinteractions-css-loader\"]","mode":"click","key":"Enter"};const workflowBridgeCore=document.querySelector('#workflowCore');const workflowBridgeControl=workflowBridgeCore.querySelector(workflowBridgeSpec.selector);if(!workflowBridgeControl)throw new Error('Missing core bridge: '+workflowBridgeSpec.name);const workflowBridgeControlledId=workflowBridgeControl.getAttribute('aria-controls');const workflowBridgeControlled=workflowBridgeControlledId?document.getElementById(workflowBridgeControlledId):null;workflowBridgeCore.dataset.workflowBridge=workflowBridgeSpec.name;workflowBridgeCore.dataset.workflowVersion='0';function workflowBridgeSerialize(){const visualNode=workflowBridgeCore.firstElementChild||workflowBridgeCore;const visual=getComputedStyle(visualNode);const outputs=[...workflowBridgeCore.querySelectorAll('output,[role="status"],[aria-live],meter,progress')].map(node=>node.textContent.trim()+'|'+node.getAttribute('aria-valuenow')+'|'+node.getAttribute('value'));const canvas=[...workflowBridgeCore.querySelectorAll('canvas')].map(node=>{try{return node.toDataURL().slice(-160);}catch{return 'canvas-unavailable';}});return JSON.stringify({html:workflowBridgeCore.innerHTML,status:statusOutput.textContent,outputs,canvas,visual:[visual.display,visual.visibility,visual.opacity,visual.transform,visual.filter,visual.backgroundColor,visual.width,visual.height],scroll:workflowBridgeSpec.mode==='scroll'?workflowBridgeControl.scrollTop:null});}let workflowBridgeLastEffect=workflowBridgeSerialize();function workflowBridgeSummary(){const label=(workflowBridgeControl.getAttribute('aria-label')||workflowBridgeControl.textContent||workflowBridgeControl.value||workflowBridgeSpec.name).trim().replace(/\s+/g,' ').slice(0,72);return label+' · 核心版本 '+workflowBridgeCore.dataset.workflowVersion;}function workflowBridgeCommit(){const effect=workflowBridgeSerialize();if(effect===workflowBridgeLastEffect)return {changed:false,summary:workflowBridgeSummary()};workflowBridgeLastEffect=effect;workflowBridgeCore.dataset.workflowVersion=String(Number(workflowBridgeCore.dataset.workflowVersion||0)+1);return {changed:true,summary:workflowBridgeSummary()};}function workflowBridgeScheduleCommit(){queueMicrotask(workflowBridgeCommit);setTimeout(workflowBridgeCommit,0);}workflowBridgeControl.addEventListener("click",workflowBridgeScheduleCommit);const workflowBridgeStateTargets=new Set(workflowBridgeCore.querySelectorAll('dialog'));if(workflowBridgeControlled&&workflowBridgeCore.contains(workflowBridgeControlled))workflowBridgeStateTargets.add(workflowBridgeControlled);workflowBridgeStateTargets.forEach(target=>['close','cancel','toggle'].forEach(eventName=>target.addEventListener(eventName,workflowBridgeScheduleCommit)));function workflowBridgeActivate(){workflowBridgeControl.focus();workflowBridgeControl.click();const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowCompareCore=document.querySelector('#workflowCore');const workflowCompareWeight=document.querySelector('#workflowCompareWeight');const workflowCompareState={channel:'A',weight:50,frozen:false,snapshots:[]};function workflowCompareFingerprint(){const controls=[...workflowCompareCore.querySelectorAll('input,select,textarea')];const outputs=[...workflowCompareCore.querySelectorAll('output,[role="status"],strong')].map(node=>node.textContent.trim()).filter(Boolean);return {controlValues:controls.map(control=>control.type==='checkbox'||control.type==='radio'?control.checked:control.value),summary:outputs.slice(0,4).join(' / '),nodes:workflowCompareCore.querySelectorAll('*').length};}function workflowCompareDrive(){workflowCompareCore.dataset.compareChannel=workflowCompareState.channel;workflowCompareCore.style.setProperty('--compare-split',workflowCompareState.weight+'%');document.querySelector('#workflowCompareWeightValue').textContent=workflowCompareState.weight+' %';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' 版本 · '+workflowCompareState.weight+' %'+(workflowCompareState.frozen?' · 已冻结':'');announce('声音波段正在查看 '+workflowCompareState.channel+' 版本');}function workflowCompareCapture(source){const bridge=workflowBridgeActivate();const snapshot={...workflowCompareFingerprint(),channel:workflowCompareState.channel,weight:workflowCompareState.weight,source,bridge:bridge.summary};workflowCompareState.snapshots.push(snapshot);const item=document.createElement('li');item.innerHTML='<b>'+snapshot.channel+'</b><span>'+(snapshot.summary||snapshot.bridge)+'</span><small>'+snapshot.weight+' % · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('已采样 '+snapshot.channel+' 版本并更新状态 · '+bridge.summary);}document.querySelectorAll('[name="workflowChannel"]').forEach(input=>input.addEventListener('change',()=>{workflowCompareState.channel=input.value;workflowCompareDrive();}));workflowCompareWeight.addEventListener('input',()=>{workflowCompareState.weight=Number(workflowCompareWeight.value);workflowCompareDrive();});document.querySelector('#workflowCompareFreeze').addEventListener('change',event=>{workflowCompareState.frozen=event.currentTarget.checked;workflowCompareDrive();});document.querySelector('#workflowCompareCapture').addEventListener('click',()=>workflowCompareCapture('按钮采样'));workflowCompareCore.addEventListener('dblclick',()=>workflowCompareCapture('主视图双击'));workflowCompareDrive();
workflowBridgeReset();
</script>
</body>
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