课程管理分组留存面板
在课程管理场景中完成分组留存面板：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：
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<meta name="viewport" content="width=device-width, initial-scale=1">
<title>课程管理分组留存面板</title>
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.panel{padding:26px;border:1px solid var(--line);border-radius:2px;background:var(--paper)}.stack{display:grid;gap:28px}.row{display:flex;gap:20px;flex-wrap:wrap}.action{padding:9px 2px;border:0;border-bottom:2px solid var(--line);background:transparent}.action.primary,.action.is-active{border-color:var(--accent);color:var(--accent)}.muted{font-size:14px;line-height:1.9}.status{min-height:20px;margin-top:28px;font-size:13px}.metric{font-size:clamp(40px,9vw,88px);font-weight:500;letter-spacing:-.06em}.meter{height:2px;background:var(--line)}.meter>i{display:block;height:100%;background:var(--accent)}.chip{font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.composition-index{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px}.index-mark{display:grid;align-content:space-between;width:76px;padding:16px 10px;border:1px solid var(--line);color:var(--accent);background:color-mix(in srgb,var(--paper) 82%,transparent);text-align:center}.index-mark strong{font:900 34px/1 ui-monospace,monospace}.index-mark span{writing-mode:vertical-rl;font:800 10px/1.2 ui-monospace,monospace;letter-spacing:.18em}.composition-index .demo{grid-column:1;grid-row:1}.composition-index::before{content:"";position:absolute;left:-12px;top:38px;width:5px;height:45%;background:linear-gradient(var(--accent),var(--secondary))}@media(max-width:700px){.composition-index{grid-template-columns:1fr}.index-mark{grid-row:1;width:auto;grid-template-columns:auto 1fr}.index-mark span{writing-mode:horizontal-tb}.composition-index .demo{grid-row:2}}
.cohort-studio{display:grid;gap:16px}.cohort-studio header{display:flex;justify-content:space-between;gap:18px;align-items:end}.cohort-studio h2{margin:.3em 0}.cohort-board{display:grid;grid-template-columns:minmax(0,1.2fr) 220px;gap:14px}.cohort-table{width:100%;border-collapse:separate;border-spacing:5px}.cohort-table caption{text-align:left;font-weight:800}.cohort-table th,.cohort-table td{padding:13px;text-align:center}.cohort-table td{background:color-mix(in srgb,var(--accent) calc(var(--retention)*.75%),var(--paper))}.cohort-table tbody th{text-align:left}.cohort-table [data-cohort="100"]{--retention:100}.cohort-board aside{display:grid;align-content:start;gap:10px;padding:18px;border-left:4px solid var(--accent);background:color-mix(in srgb,var(--secondary) 10%,transparent)}.cohort-board aside ol{display:grid;gap:8px;padding-left:18px;margin:0}@media(max-width:760px){.cohort-studio header{align-items:stretch;flex-direction:column}.cohort-board{grid-template-columns:1fr}.cohort-table th,.cohort-table td{padding:9px;font-size:12px}}.workflow-spatial{display:grid;gap:16px}.workflow-spatial>header{display:grid;grid-template-columns:1fr minmax(170px,.35fr) minmax(170px,.35fr);gap:18px;align-items:end;padding-bottom:16px;border-bottom:5px solid var(--ink)}.workflow-spatial h2{margin:.2em 0}.workflow-spatial header label{display:grid;grid-template-columns:1fr auto;gap:7px}.workflow-spatial header input{grid-column:1/-1;width:100%}.spatial-grid{display:grid;grid-template-columns:minmax(0,var(--spatial-width)) 20px minmax(180px,1fr);gap:0;align-items:stretch}.spatial-core{min-width:0;transform:scale(var(--spatial-zoom));transform-origin:top left;transition:transform .2s}.spatial-handle{display:grid;min-height:300px;place-items:center;border:0;border-inline:1px dashed var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent);cursor:col-resize}.spatial-grid>aside{display:grid;align-content:center;gap:14px;padding:22px;background:color-mix(in srgb,var(--secondary) 14%,var(--paper))}.spatial-grid>aside strong{font-size:clamp(24px,4vw,42px)}@media(max-width:900px){.workflow-spatial>header{grid-template-columns:1fr}.spatial-grid{order:-1;grid-template-columns:1fr}.spatial-handle{min-height:44px;cursor:row-resize}.spatial-core{transform:none}}
</style>
</head>
<body data-aesthetic="dashboard" data-composition="field-index">
<main class="page">
<header class="mast"><div><span class="eyebrow">dashboard / 分组留存面板 / ADVANCED</span><h1>课程管理分组留存面板</h1><p class="intro">在课程管理场景中完成分组留存面板：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">课程管理</span></header>
<div class="composition-index"><section class="demo" aria-label="课程管理分组留存面板交互区域"><div id="workflowSpatial" class="workflow-spatial" style="--spatial-width:64%;--spatial-zoom:1"><header><div><span class="eyebrow">课程管理 SPATIAL CANVAS</span><h2>课程管理调整台</h2></div><label>预警阈值占比<input id="workflowSpatialWidth" type="range" min="38" max="82" value="64"><output id="workflowSpatialWidthValue">64%</output></label><label>内容缩放<input id="workflowSpatialZoom" type="range" min="80" max="120" value="100"><output id="workflowSpatialZoomValue">100%</output></label></header><div class="spatial-grid"><section id="workflowCore" class="workflow-core spatial-core"><!-- 11DZ_CORE_START:dashboards-admin-cohort-panel --><div class="cohort-studio"><header><span class="eyebrow">COHORT RETENTION</span><h2>课程管理分组留存台</h2><label>显示百分比 <input id="cohortPercent" type="checkbox" checked data-core-bridge="dashboards-admin-cohort-panel"></label></header><div class="cohort-board"><div class="special-table-shell"><table class="special-table cohort-table"><caption>课程管理四周留存矩阵</caption><thead><tr><th>分组</th><th>第 0 周</th><th>第 1 周</th><th>第 2 周</th><th>第 3 周</th></tr></thead><tbody><tr><th>本周加入</th><td data-cohort="100">100%</td><td data-cohort="83">83%</td><td data-cohort="66">66%</td><td data-cohort="49">49%</td></tr><tr><th>上周加入</th><td data-cohort="94">94%</td><td data-cohort="77">77%</td><td data-cohort="60">60%</td><td data-cohort="43">43%</td></tr><tr><th>两周前加入</th><td data-cohort="88">88%</td><td data-cohort="71">71%</td><td data-cohort="54">54%</td><td data-cohort="37">37%</td></tr><tr><th>三周前加入</th><td data-cohort="82">82%</td><td data-cohort="65">65%</td><td data-cohort="48">48%</td><td data-cohort="31">31%</td></tr></tbody></table></div><aside><strong id="cohortTopWeek">最佳区间：第 0 周</strong><p id="cohortModeHint">当前以百分比观察留存变化。</p><ol id="cohortSummaryList"></ol></aside></div></div><!-- 11DZ_CORE_END --></section><input id="workflowSpatialHandle" class="spatial-handle" type="button" value="↔" aria-label="拖动调整主案例预览宽度"><aside><strong>课程管理监测视图</strong><p>课程管理处置视图与课程管理复盘视图会随画布尺寸重新编排。</p><output id="workflowSpatialStatus">宽度 64%，缩放 100%</output><input id="workflowSpatialApply" class="action primary" type="button" value="应用面板"></aside></div></div><p id="status" class="status" role="status" aria-live="polite"></p></section><aside class="index-mark" aria-hidden="true"><strong>05</strong><span>课程管理 FIELD INDEX</span></aside></div>
</main>
<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:dashboards-admin-cohort-panel */
const cohortCells=[...document.querySelectorAll('[data-cohort]')];const cohortLabels=["本周加入","上周加入","两周前加入","三周前加入"];function renderCohortStudio(asPercent){const weeks=[0,1,2,3].map(column=>cohortCells.filter((_,index)=>index%4===column).reduce((sum,cell)=>sum+Number(cell.dataset.cohort),0));const bestWeek=weeks.indexOf(Math.max(...weeks));document.querySelector('#cohortTopWeek').textContent='最佳区间：第 '+bestWeek+' 周';document.querySelector('#cohortModeHint').textContent=asPercent?'当前以百分比观察留存变化。':'当前以估算人数观察留存变化。';document.querySelector('#cohortSummaryList').replaceChildren(...weeks.map((value,index)=>{const item=document.createElement('li');item.textContent='第 '+index+' 周 · '+(asPercent?Math.round(value/cohortLabels.length)+'%':Math.round(value*2.4/cohortLabels.length)+' 人');return item;}));}cohortCells.forEach(cell=>cell.style.setProperty('--retention',cell.dataset.cohort));document.querySelector('#cohortPercent').addEventListener('change',event=>{cohortCells.forEach(cell=>{cell.textContent=event.currentTarget.checked?cell.dataset.cohort+'%':Math.round(Number(cell.dataset.cohort)*2.4)+' 人';});renderCohortStudio(event.currentTarget.checked);announce(event.currentTarget.checked?'已显示留存百分比':'已显示估算人数');});renderCohortStudio(true);
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"dashboards-admin-cohort-panel","selector":"[data-core-bridge=\"dashboards-admin-cohort-panel\"]","mode":"toggle","key":" "};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.setAttribute('aria-keyshortcuts',workflowBridgeSpec.key===' '?'Space':workflowBridgeSpec.key);const workflowBridgeToggleKeyMatches=event=>event.key===workflowBridgeSpec.key||event.key==='Spacebar'||event.code==='Space';workflowBridgeControl.addEventListener('keydown',event=>{if(!workflowBridgeToggleKeyMatches(event))return;event.preventDefault();});workflowBridgeControl.addEventListener('keyup',event=>{if(!workflowBridgeToggleKeyMatches(event))return;event.preventDefault();workflowBridgeControl.click();});workflowBridgeControl.addEventListener("change",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 workflowSpatial=document.querySelector('#workflowSpatial');const workflowSpatialCore=document.querySelector('#workflowCore');const workflowSpatialWidth=document.querySelector('#workflowSpatialWidth');const workflowSpatialZoom=document.querySelector('#workflowSpatialZoom');const workflowSpatialHandle=document.querySelector('#workflowSpatialHandle');const workflowSpatialState={width:64,zoom:1,dragging:false};function workflowSpatialDrive(){workflowSpatial.style.setProperty('--spatial-width',workflowSpatialState.width+'%');workflowSpatial.style.setProperty('--spatial-zoom',String(workflowSpatialState.zoom));workflowSpatialWidth.value=String(workflowSpatialState.width);workflowSpatialZoom.value=String(Math.round(workflowSpatialState.zoom*100));document.querySelector('#workflowSpatialWidthValue').textContent=workflowSpatialState.width+'%';document.querySelector('#workflowSpatialZoomValue').textContent=Math.round(workflowSpatialState.zoom*100)+'%';document.querySelector('#workflowSpatialStatus').textContent='宽度 '+workflowSpatialState.width+'%，缩放 '+Math.round(workflowSpatialState.zoom*100)+'%';announce('课程管理画布已重排');}workflowSpatialWidth.addEventListener('input',()=>{workflowSpatialState.width=Number(workflowSpatialWidth.value);workflowSpatialDrive();});workflowSpatialZoom.addEventListener('input',()=>{workflowSpatialState.zoom=Number(workflowSpatialZoom.value)/100;workflowSpatialDrive();});workflowSpatialHandle.addEventListener('pointerdown',event=>{workflowSpatialState.dragging=true;workflowSpatialHandle.setPointerCapture(event.pointerId);});workflowSpatialHandle.addEventListener('pointermove',event=>{if(!workflowSpatialState.dragging)return;const rect=workflowSpatial.getBoundingClientRect();workflowSpatialState.width=Math.max(38,Math.min(82,Math.round((event.clientX-rect.left)/rect.width*100)));workflowSpatialDrive();});workflowSpatialHandle.addEventListener('pointerup',event=>{workflowSpatialState.dragging=false;workflowSpatialHandle.releasePointerCapture(event.pointerId);});workflowSpatialHandle.addEventListener('wheel',event=>{event.preventDefault();workflowSpatialState.zoom=Math.max(.8,Math.min(1.2,workflowSpatialState.zoom+(event.deltaY<0?.05:-.05)));workflowSpatialDrive();},{passive:false});workflowSpatialHandle.addEventListener('keydown',event=>{if(!['ArrowLeft','ArrowRight'].includes(event.key))return;event.preventDefault();workflowSpatialState.width=Math.max(38,Math.min(82,workflowSpatialState.width+(event.key==='ArrowRight'?2:-2)));workflowSpatialDrive();});document.querySelector('#workflowSpatialApply').addEventListener('click',()=>{const bridge=workflowBridgeActivate();document.querySelector('#workflowSpatialStatus').textContent='已应用面板 · 宽度 '+workflowSpatialState.width+'%，缩放 '+Math.round(workflowSpatialState.zoom*100)+'% · '+bridge.summary;announce(document.querySelector('#workflowSpatialStatus').textContent);});workflowSpatialDrive();
workflowBridgeReset();
</script>
</body>
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