志愿者报名动态字段组
在志愿者报名场景中完成动态字段组：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>
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<meta name="viewport" content="width=device-width, initial-scale=1">
<title>志愿者报名动态字段组</title>
<style>
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<body data-aesthetic="paper" data-composition="split-note">
<main class="page">
<header class="mast"><div><span class="eyebrow">paper / 动态字段组 / BEGINNER</span><h1>志愿者报名动态字段组</h1><p class="intro">在志愿者报名场景中完成动态字段组：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">志愿者报名</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>掌握动态字段组的语义结构、响应式编排、键盘操作与状态同步。</span></aside><section class="demo" aria-label="志愿者报名动态字段组交互区域"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">志愿者报名 DISPATCH</span><h2>志愿排班调度台</h2><form id="workflowDispatchForm"><label>任务类型<select id="workflowDispatchKind"><option>签到引导</option><option>物资整理</option><option>现场协助</option></select></label><label>服务时长<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="30"><span>小时</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">接受排班</button></form><label>当前任务<select id="workflowDispatchActive" aria-label="切换当前任务"><option value="1">签到引导</option><option value="2">物资整理</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:forms-input-repeatable-fields --><form id="repeatableForm" class="repeatable-form panel"><header><span class="eyebrow">REPEATABLE FIELDS</span><h2>志愿者报名成员清单</h2></header><div id="repeatableRows" class="repeatable-rows"></div><button id="addRepeatableRow" class="action" type="button" data-core-bridge="forms-input-repeatable-fields">添加成员</button><button class="action primary" type="submit">保存清单</button></form><!-- 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; };
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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":"签到引导","amount":12,"priority":"normal","touches":0}],["2",{"label":"物资整理","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+' 小时 · '+bridge.summary;announce('志愿排班当前任务：'+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+' 小时 · '+workflowBridgeSummary();});workflowDispatchRender('1',false);
workflowBridgeReset();
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