空气监测台趋势折线图
在空气监测台场景中完成趋势折线图：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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<header class="mast"><div><span class="eyebrow">paper / 趋势折线图 / BEGINNER</span><h1>空气监测台趋势折线图</h1><p class="intro">在空气监测台场景中完成趋势折线图：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">空气监测台</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>掌握趋势折线图的语义结构、响应式编排、键盘操作与状态同步。</span></aside><section class="demo" aria-label="空气监测台趋势折线图交互区域"><div id="similarityShell" class="similarity-shell" data-review-state="focus"><header class="similarity-head"><div><span class="eyebrow">空气监测台 / REVIEW STUDIO</span><h2>趋势折线图复核工作台</h2><p>把主案例放到独立的复核外壳里，额外记录观察模式、检查点和当前结论。</p></div><output id="similarityState">准备开始复核</output></header><div class="similarity-layout"><aside class="similarity-console"><fieldset class="similarity-modes"><legend>复核视角</legend><button class="action primary" type="button" data-review-view="focus">聚焦主视图</button><button class="action" type="button" data-review-view="compare">对照清单</button><button class="action" type="button" data-review-view="audit">记录现场</button></fieldset><label>观察密度<input id="similarityDensity" type="range" min="84" max="124" value="100"><output id="similarityDensityValue">100%</output></label><label class="similarity-pin"><input id="similarityPin" type="checkbox"> 固定当前检查点</label><ol id="similarityChecklist" class="similarity-checklist"><li>空气监测台提醒</li><li>空气监测台收藏</li><li>空气监测台概览</li><li>空气监测台计划</li></ol><button id="similarityCapture" class="action primary" type="button">记录检查点</button><ol id="similarityLog" class="similarity-log"><li>等待第一条检查记录</li></ol></aside><section class="similarity-stage"><div id="similarityDeck" class="similarity-deck"><article data-active="true"><span>01</span><strong>空气监测台提醒</strong><p>检查状态变化是否可见</p></article><article><span>02</span><strong>空气监测台收藏</strong><p>确认键盘与点击入口一致</p></article><article><span>03</span><strong>空气监测台概览</strong><p>观察布局在窄屏下是否回退</p></article><article><span>04</span><strong>空气监测台计划</strong><p>记录当前复核结论</p></article></div><div id="similarityCoreShell" class="similarity-core-shell"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">空气监测台 DISPATCH</span><h2>空气监测台调度台</h2><form id="workflowDispatchForm"><label>任务类型<select id="workflowDispatchKind"><option>空气监测台当前视图</option><option>空气监测台比较视图</option><option>空气监测台汇总视图</option></select></label><label>观察阈值<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="21"><span>点</span></label><fieldset><legend>处理优先级</legend><label><input type="radio" name="workflowPriority" value="normal" checked>常规</label><label><input type="radio" name="workflowPriority" value="urgent">紧急</label></fieldset><button class="action primary" type="submit">保存视图</button></form><label>当前任务<select id="workflowDispatchActive" aria-label="切换当前任务"><option value="1">空气监测台当前视图</option><option value="2">空气监测台比较视图</option></select></label><output id="workflowDispatchSummary">等待调度</output></aside><section id="workflowCore" class="workflow-core dispatch-workbench" data-dispatch-priority="normal"><!-- 11DZ_CORE_START:drawing-data-viz-line-chart --><div class="drawing-pattern drawing-pattern-1"><div class="canvas-shell"><canvas id="artboard" width="900" height="440" aria-label="趋势折线图画布" aria-describedby="canvasDescription"></canvas><div class="canvas-tools panel"><span class="eyebrow">CANVAS MODE 2</span><h2>趋势折线图</h2><label>复杂度 <input id="canvasAmount" type="range" min="4" max="28" value="13"></label><button id="redrawCanvas" class="action primary" type="button">重新绘制</button><p id="canvasDescription" class="muted">深色画布使用两种高对比色绘制趋势折线图，复杂度滑块决定图形数量；画面完全在浏览器本地生成。</p></div></div><section class="drawing-controller line-chart-controller"><header><span class="eyebrow">TREND ANNOTATION</span><h3>空气监测台趋势阈值</h3></header><label><input id="lineSmooth" type="checkbox" checked data-core-bridge="drawing-data-viz-line-chart">使用平滑趋势</label><label>关注阈值<input id="lineThreshold" type="number" min="10" max="100" value="64"></label><button id="lineAddMarker" class="action" type="button">标记当前转折</button><ol id="lineMarkers"><li>起始观察点</li></ol><output id="lineModelSummary">平滑 · 阈值 64</output></section></div><!-- 11DZ_CORE_END --></section></div></div></section></div></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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const workflowDispatchCore=document.querySelector('#workflowCore');const workflowDispatchForm=document.querySelector('#workflowDispatchForm');const workflowDispatchSelect=document.querySelector('#workflowDispatchActive');const workflowDispatchJobs=new Map([["1",{"label":"空气监测台当前视图","amount":12,"priority":"normal","touches":0}],["2",{"label":"空气监测台比较视图","amount":21,"priority":"urgent","touches":0}]]);let workflowDispatchSerial=workflowDispatchJobs.size;function workflowDispatchDrive(job,activate=false){workflowDispatchCore.dataset.dispatchPriority=job.priority;workflowDispatchCore.style.setProperty('--dispatch-load',Math.min(.95,.16+job.amount/120));const bridge=activate?workflowBridgeActivate():{changed:false,summary:workflowBridgeSummary()};document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' 点 · '+bridge.summary;announce('空气监测台当前任务：'+job.label);}function workflowDispatchRender(activeId,activate=false){workflowDispatchSelect.replaceChildren(...[...workflowDispatchJobs].map(([id,job])=>{const option=document.createElement('option');option.value=id;option.textContent=job.label+(job.priority==='urgent'?' · 紧急':'');return option;}));workflowDispatchSelect.value=activeId;workflowDispatchDrive(workflowDispatchJobs.get(activeId),activate);}workflowDispatchForm.addEventListener('submit',event=>{event.preventDefault();const data=new FormData(workflowDispatchForm);const id=String(++workflowDispatchSerial);workflowDispatchJobs.set(id,{label:document.querySelector('#workflowDispatchKind').value,amount:Math.max(1,Number(document.querySelector('#workflowDispatchAmount').value)||1),priority:data.get('workflowPriority'),touches:0});workflowDispatchRender(id,true);});workflowDispatchSelect.addEventListener('change',()=>workflowDispatchDrive(workflowDispatchJobs.get(workflowDispatchSelect.value),true));workflowDispatchCore.addEventListener('focusin',()=>{const job=workflowDispatchJobs.get(workflowDispatchSelect.value);if(!job)return;job.touches+=1;document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' 点 · '+workflowBridgeSummary();});workflowDispatchRender('1',false);
workflowBridgeReset();
const similarityShell=document.querySelector('#similarityShell');const similarityState=document.querySelector('#similarityState');const similarityDensity=document.querySelector('#similarityDensity');const similarityDensityValue=document.querySelector('#similarityDensityValue');const similarityPin=document.querySelector('#similarityPin');const similarityChecklistItems=[...document.querySelectorAll('#similarityChecklist li')];const similarityDeckItems=[...document.querySelectorAll('#similarityDeck article')];const similarityLog=document.querySelector('#similarityLog');const similarityNotes=["空气监测台提醒","空气监测台收藏","空气监测台概览","空气监测台计划"];const similarityCore=document.querySelector('#workflowCore');let similarityCaptures=0;function similaritySetActive(index){similarityDeckItems.forEach((item,itemIndex)=>{if(itemIndex===index)item.setAttribute('data-active','true');else item.removeAttribute('data-active');});}function similarityRender(reason){const version=similarityCore?.dataset.workflowVersion||'0';const density=Number(similarityDensity.value);similarityShell.style.setProperty('--similarity-density',String(density));similarityShell.dataset.pinned=String(similarityPin.checked);similarityDensityValue.textContent=density+'%';similarityChecklistItems.forEach((item,index)=>item.classList.toggle('is-done',index<similarityCaptures));similaritySetActive(Math.min(similarityDeckItems.length-1,similarityCaptures%similarityDeckItems.length));similarityState.textContent=reason+' · 核心版本 '+version+(similarityPin.checked?' · 已固定':'');}document.querySelectorAll('[data-review-view]').forEach(button=>button.addEventListener('click',()=>{document.querySelectorAll('[data-review-view]').forEach(item=>item.classList.toggle('primary',item===button));similarityShell.dataset.reviewState=button.dataset.reviewView;similarityRender('已切换到'+button.textContent);announce('复核视角：'+button.textContent);}));similarityDensity.addEventListener('input',()=>{similarityRender('观察密度已更新');announce('观察密度 '+similarityDensity.value+'%');});similarityPin.addEventListener('change',()=>{similarityRender(similarityPin.checked?'当前检查点已固定':'当前检查点已解锁');announce(similarityPin.checked?'已固定当前检查点':'已取消固定检查点');});document.querySelector('#similarityCapture').addEventListener('click',()=>{const note=similarityNotes[similarityCaptures%similarityNotes.length];const version=similarityCore?.dataset.workflowVersion||'0';similarityCaptures+=1;const item=document.createElement('li');item.textContent='检查点 '+similarityCaptures+' · '+note+' · 核心版本 '+version;const empty=similarityLog.querySelector('li')?.textContent==='等待第一条检查记录';if(empty)similarityLog.replaceChildren(item);else similarityLog.prepend(item);while(similarityLog.children.length>6)similarityLog.lastElementChild.remove();similarityRender('已记录检查点 '+similarityCaptures);announce('已记录检查点 '+similarityCaptures+' · '+note);});similarityCore?.addEventListener('focusin',()=>similarityRender('主视图获得焦点'));similarityCore?.addEventListener('click',()=>similarityRender('主视图发生交互'));similarityRender('准备开始复核');
</script>
</body>
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