花园生长交互柱状图
在花园生长场景中完成交互柱状图：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：
<!doctype html>
<html lang="zh-Hans" dir="ltr">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>花园生长交互柱状图</title>
<style>
:root { --ink:#3a2419; --paper:#fbf3df; --accent:#c66a2d; --secondary:#b5c88d; --line:color-mix(in srgb, var(--ink) 18%, transparent); --shadow:0 24px 60px color-mix(in srgb, var(--ink) 16%, transparent); color-scheme:light; }
* { box-sizing:border-box; }
html { min-width:320px; background:var(--paper); }
body { min-height:100vh; margin:0; overflow-x:hidden; color:var(--ink); font-family:"DIN Alternate","Arial Narrow",sans-serif; background:repeating-linear-gradient(135deg,color-mix(in srgb,var(--ink) 5%,transparent) 0 1px,transparent 1px 18px),var(--paper); }
button,input,select,textarea { color:inherit; font:inherit; }
button,[role="button"],input,select,textarea { accent-color:var(--accent); }
button { cursor:pointer; }
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible { outline:3px solid var(--accent); outline-offset:3px; }
[hidden] { display:none !important; }
@media (max-width:700px) { .mast h1 { line-height:1.08 !important; letter-spacing:-.035em !important; overflow-wrap:anywhere; } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; } }
.mast{display:flex;justify-content:space-between;border-bottom:6px solid var(--ink);padding-bottom:18px;gap:20px;align-items:flex-end;margin:0 0 22px}.page{width:min(1240px,calc(100% - 28px));margin:auto;padding:34px 0 70px}.scenario{padding:8px 12px;border:2px solid var(--ink);font:900 12px/1 ui-monospace,monospace}.mast h1{font-family:"DIN Condensed","Arial Narrow",sans-serif;font-weight:900;text-transform:uppercase;font-size:clamp(44px,10vw,104px);letter-spacing:-.02em;max-width:1000px;margin:0;line-height:.82}.intro{max-width:720px;font-family:"Arial Narrow",sans-serif;line-height:1.5}.eyebrow{display:inline-block;padding:6px 9px;color:var(--paper);background:var(--accent);font:900 10px/1 ui-monospace,monospace;letter-spacing:.12em}.demo{border-radius:3px;box-shadow:10px 10px 0 var(--accent);position:relative;min-height:400px;overflow:hidden;padding:32px;background:var(--paper)}@media(max-width:700px){.mast{display:grid;grid-template-columns:1fr}.page{width:calc(100% - 16px);padding-top:16px}.demo{padding:14px}}
.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}
.composition-split{display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;align-items:start}.split-note{position:sticky;top:20px;display:grid;gap:14px;padding:18px 12px;border-block:3px double var(--accent);font-size:13px;line-height:1.65}.split-note b{font:900 12px/1 ui-monospace,monospace;letter-spacing:.12em}.split-note span{writing-mode:vertical-rl;min-height:120px;color:color-mix(in srgb,var(--ink) 60%,transparent)}.composition-split .demo{min-width:0}@media(max-width:900px){.composition-split{grid-template-columns:1fr}.split-note{position:static;grid-template-columns:auto 1fr}.split-note span{writing-mode:horizontal-tb;min-height:0}}
.canvas-shell{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(230px,.6fr);gap:16px}.canvas-shell canvas{width:100%;height:440px;border:1px solid var(--line);border-radius:18px;background:var(--ink)}.canvas-tools{display:grid;align-content:center;gap:16px}.canvas-tools label{display:grid;gap:8px;font-weight:800}@media(max-width:900px){.canvas-shell{grid-template-columns:1fr}.canvas-shell canvas{height:300px}}.drawing-pattern{display:grid;gap:14px}.bar-chart-controller{display:grid;grid-template-columns:1fr 180px 180px auto;gap:14px;align-items:end;padding:18px;border-top:6px solid var(--accent);background:var(--paper)}.bar-chart-controller h3{margin:.2em 0}.bar-chart-controller label{display:grid;gap:7px}.bar-chart-controller select,.bar-chart-controller input{width:100%}@media(max-width:900px){.bar-chart-controller{grid-template-columns:1fr 1fr}.bar-chart-controller header,.bar-chart-controller>output{grid-column:1/-1}}.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="industrial" data-composition="split-note">
<main class="page">
<header class="mast"><div><span class="eyebrow">industrial / 交互柱状图 / INTERMEDIATE</span><h1>花园生长交互柱状图</h1><p class="intro">在花园生长场景中完成交互柱状图：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">花园生长</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>掌握交互柱状图的语义结构、响应式编排、键盘操作与状态同步。</span></aside><section class="demo" aria-label="花园生长交互柱状图交互区域"><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 · 向阳花圃</label><label><input type="radio" name="workflowChannel" value="B">B · 半阴花圃</label></fieldset><label>株高目标权重<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 厘米</output></label><label><input id="workflowCompareFreeze" type="checkbox">冻结当前版本</label><button id="workflowCompareCapture" class="action primary" type="button">采样并保存观察</button><ol id="workflowCompareShelf" aria-label="版本采样记录"></ol></form><section class="compare-stage"><header><span class="eyebrow">花园生长 COMPARE</span><h2>生长对照双版本对照</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:drawing-data-viz-bar-chart --><div class="drawing-pattern drawing-pattern-0"><div class="canvas-shell"><canvas id="artboard" width="900" height="440" aria-label="交互柱状图画布" aria-describedby="canvasDescription"></canvas><div class="canvas-tools panel"><span class="eyebrow">CANVAS MODE 1</span><h2>交互柱状图</h2><label>复杂度 <input id="canvasAmount" type="range" min="4" max="28" value="10"></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交互柱状图，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><form id="barChartController" class="drawing-controller bar-chart-controller"><header><span class="eyebrow">BAR DATA MODEL</span><h3>花园生长分组柱形</h3></header><label>分组方式<select id="barGrouping"><option value="station">按站点</option><option value="period">按时段</option><option value="status">按状态</option></select></label><label>基准线<input id="barBaseline" type="range" min="20" max="90" value="55" data-core-bridge="drawing-data-viz-bar-chart"><output id="barBaselineValue">55</output></label><button class="action" type="submit">归一化并重绘</button><output id="barChartSummary">3 组 · 基准 55</output></form></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:drawing-data-viz-bar-chart */
const canvas = document.querySelector('#artboard'); const context = canvas.getContext('2d'); const amount = document.querySelector('#canvasAmount'); let drawSeed = 1340022123;
function random(){ drawSeed = (drawSeed * 1664525 + 1013904223) >>> 0; return drawSeed / 4294967296; }
function drawCanvas(){ const rect = canvas.getBoundingClientRect(); const ratio = Math.min(2,window.devicePixelRatio || 1); canvas.width = Math.max(320,Math.round(rect.width * ratio)); canvas.height = Math.max(240,Math.round(rect.height * ratio)); context.setTransform(ratio,0,0,ratio,0,0); const width = rect.width; const height = rect.height; context.clearRect(0,0,width,height); context.fillStyle = '#3a2419'; context.fillRect(0,0,width,height); const drawingFactor=Number(canvas.dataset.drawingFactor||1); const count=Math.max(1,Math.round(Number(amount.value)*drawingFactor)); drawSeed += 1+Number(canvas.dataset.drawingShift||0); context.globalCompositeOperation=canvas.dataset.drawingBlend||'source-over';
for(let index=0; index<count; index+=1){ const x=random()*width; const y=random()*height; const size=(10+random()*70)*Math.max(.45,drawingFactor); context.beginPath(); context.strokeStyle=index%2?'#c66a2d':'#b5c88d'; context.fillStyle=context.strokeStyle+'88'; context.lineWidth=(2+random()*4)*Math.max(.6,drawingFactor);
const barWidth=Math.max(6,(width-36)/count); context.fillRect(18+index*barWidth,height-size*2,barWidth*.62,size*2);
} context.globalCompositeOperation='source-over'; announce('画布已生成 ' + count + ' 个图形元素'); }
document.querySelector('#redrawCanvas').addEventListener('click',drawCanvas); amount.addEventListener('input',drawCanvas); addEventListener('resize',drawCanvas,{passive:true}); drawCanvas();
const barGrouping=document.querySelector('#barGrouping');const barBaseline=document.querySelector('#barBaseline');const barChartState={group:'station',baseline:55,normalized:false};function applyBarChartModel(){barChartState.group=barGrouping.value;barChartState.baseline=Number(barBaseline.value);canvas.dataset.drawingFactor=String(.72+barChartState.baseline/180);canvas.dataset.drawingShift=String(['station','period','status'].indexOf(barChartState.group)*11);document.querySelector('#barBaselineValue').textContent=barChartState.baseline;document.querySelector('#barChartSummary').textContent=(barChartState.group==='station'?'3 个站点':barChartState.group==='period'?'4 个时段':'3 种状态')+' · 基准 '+barChartState.baseline;drawCanvas();}barGrouping.addEventListener('change',applyBarChartModel);barBaseline.addEventListener('input',applyBarChartModel);document.querySelector('#barChartController').addEventListener('submit',event=>{event.preventDefault();barChartState.normalized=true;amount.value='12';applyBarChartModel();announce('柱形数据已按基准线归一化');});applyBarChartModel();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"drawing-data-viz-bar-chart","selector":"[data-core-bridge=\"drawing-data-viz-bar-chart\"]","mode":"range","key":"ArrowRight"};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("input",workflowBridgeScheduleCommit);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();const step=Number(workflowBridgeControl.step)||1;const min=workflowBridgeControl.min===''?-Infinity:Number(workflowBridgeControl.min);const max=workflowBridgeControl.max===''?Infinity:Number(workflowBridgeControl.max);let next=Math.min(max,Math.max(min,(Number(workflowBridgeControl.value)||0)+step));if(next===Number(workflowBridgeControl.value))next=Math.max(min,Number(workflowBridgeControl.value)-step);workflowBridgeControl.value=String(next);workflowBridgeControl.dispatchEvent(new Event('input',{bubbles:true}));workflowBridgeControl.dispatchEvent(new Event('change',{bubbles:true}));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+' 厘米';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' 版本 · '+workflowCompareState.weight+' 厘米'+(workflowCompareState.frozen?' · 已冻结':'');announce('生长对照正在查看 '+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+' 厘米 · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('已采样 '+snapshot.channel+' 版本并保存观察 · '+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>
</html>