文件上传列表错峰入场
在文件上传场景中完成列表错峰入场：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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<title>文件上传列表错峰入场</title>
<style>
:root { --ink:#18314f; --paper:#f7f8f2; --accent:#ff6b5e; --secondary:#71c9b5; --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; }
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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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<body data-aesthetic="industrial" data-composition="split-note">
<main class="page">
<header class="mast"><div><span class="eyebrow">industrial / 列表错峰入场 / INTERMEDIATE</span><h1>文件上传列表错峰入场</h1><p class="intro">在文件上传场景中完成列表错峰入场：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">文件上传</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>掌握列表错峰入场的语义结构、响应式编排、键盘操作与状态同步。</span></aside><section class="demo" aria-label="文件上传列表错峰入场交互区域"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">文件上传 DISPATCH</span><h2>上传队列调度台</h2><form id="workflowDispatchForm"><label>任务类型<select id="workflowDispatchKind"><option>图片文件</option><option>文档文件</option><option>压缩文件</option></select></label><label>文件数量<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="30"><span>个</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">开始上传</button></form><label>当前任务<select id="workflowDispatchActive" aria-label="切换当前任务"><option value="1">图片文件</option><option value="2">文档文件</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:animation-microinteractions-stagger-list --><div class="stagger-demo panel"><header><span class="eyebrow">STAGGER LIST</span><h2>文件上传动态列表</h2><button id="replayStagger" class="action primary" type="button" data-core-bridge="animation-microinteractions-stagger-list">重新入场</button></header><ol id="staggerList" class="stagger-list"><li style="--order:0"><b>01</b><span>文件上传收藏</span></li><li style="--order:1"><b>02</b><span>文件上传概览</span></li><li style="--order:2"><b>03</b><span>文件上传计划</span></li><li style="--order:3"><b>04</b><span>文件上传灵感</span></li><li style="--order:4"><b>05</b><span>文件上传记录</span></li><li style="--order:5"><b>06</b><span>文件上传协作</span></li></ol></div><!-- 11DZ_CORE_END --></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-stagger-list */
let staggerList=document.querySelector('#staggerList');document.querySelector('#replayStagger').addEventListener('click',()=>{const fresh=staggerList.cloneNode(true);staggerList.replaceWith(fresh);staggerList=fresh;announce('列表已按顺序重新入场');});
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"animation-microinteractions-stagger-list","selector":"[data-core-bridge=\"animation-microinteractions-stagger-list\"]","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 workflowDispatchCore=document.querySelector('#workflowCore');const workflowDispatchForm=document.querySelector('#workflowDispatchForm');const workflowDispatchSelect=document.querySelector('#workflowDispatchActive');const workflowDispatchJobs=new Map([["1",{"label":"图片文件","amount":12,"priority":"normal","touches":0}],["2",{"label":"文档文件","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+' 个 · '+bridge.summary;announce('上传队列当前任务：'+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+' 个 · '+workflowBridgeSummary();});workflowDispatchRender('1',false);
workflowBridgeReset();
</script>
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