完整的原生树形控件和详情视图
稳定的节点键、受控的 expanded 和 selection 映射、筛选处理及 node-select 处理。
vue
<script setup>
import {ref,computed} from 'vue';import Tree from 'primevue/tree';import Button from 'primevue/button';import Tag from 'primevue/tag';
const nodes=[{key:'issue',label:'Issue 04 · Fieldwork',selectable:false,children:[{key:'essays',label:'Essays',selectable:false,children:[{key:'ridge',label:'The ridge path'},{key:'river',label:'A river after rain'}]},{key:'visuals',label:'Visual material',selectable:false,children:[{key:'maps',label:'Three regional maps'},{key:'captions',label:'Caption reference sheet'}]},{key:'production',label:'Production',selectable:false,children:[{key:'proof',label:'Print proof checklist'},{key:'credits',label:'Credits and permissions'}]}]}];
const documents={ridge:{type:'Essay',owner:'Alex Morgan',status:'Editing',title:'The ridge path',intro:'A field essay about following the contour rather than the shortest route.',items:['Opening: the first view above the tree line','Middle: how a contour changes the pace of walking','Close: the landmarks remembered on the return'],note:'Review the transition between the weather observation and the first-person account.'},river:{type:'Essay',owner:'Jules Chen',status:'Review',title:'A river after rain',intro:'An observational essay that follows sediment, sound and changing water levels.',items:['Keep the time sequence explicit','Pair each field image with an observation','Check the final geographic names'],note:'Compare the image captions with the text before locking the layout.'},maps:{type:'Visual reference',owner:'Sam Rivera',status:'Review',title:'Three regional maps',intro:'A consistent reference treatment for ridge, river and open plain.',items:['Same north orientation','Shared legend and label size','Scale shown independently on each map'],note:'The miniature map below is original decorative geometry, not a geographic claim.'},captions:{type:'Reference',owner:'Maya Patel',status:'Editing',title:'Caption reference sheet',intro:'One place to keep subject, location, credit and contextual description.',items:['Subject and date','Location at an appropriate level of precision','Author or source credit'],note:'Do not use the visible caption as a substitute for a useful image alt description.'},proof:{type:'Checklist',owner:'Alex Morgan',status:'Ready',title:'Print proof checklist',intro:'Review the physical proof at actual scale before choosing the final stock.',items:['Body text and small labels remain legible','Images preserve the intended tonal range','Trim and page sequence match the layout'],note:'This is a sample editorial workflow, not a print vendor specification.'},credits:{type:'Reference',owner:'Maya Patel',status:'Review',title:'Credits and permissions',intro:'Keep attribution close to each asset record so it survives layout changes.',items:['Creator name and source','Allowed uses recorded separately','Credit wording copied accurately'],note:'This sample does not provide legal permission for any external image.'}};
const expanded=ref({issue:true,essays:true,visuals:true,production:true}),selection=ref({'ridge':true}),current=ref('ridge'),saved=ref([]);const doc=computed(()=>documents[current.value]);function select(node){if(documents[node.key])current.value=node.key;}function pin(){if(!saved.value.includes(current.value))saved.value.push(current.value);}function expandAll(){expanded.value={issue:true,essays:true,visuals:true,production:true};}
</script>
<template><main class="editorial-library"><header><div><p class="eyebrow">PRIME UI · PRIMEVUE IMPLEMENTATION</p><h1>Find the thread of an issue.</h1><p class="intro">A native tree navigator for an editorial collection, using the Aura theme.</p></div><Tag value="Local specimen" severity="secondary" /></header><div class="library-layout"><aside class="library-nav"><div class="nav-heading"><h2>Issue contents</h2><div><Button label="Expand" text size="small" @click="expandAll"/><Button label="Collapse" text size="small" @click="expanded={}"/></div></div><Tree :value="nodes" v-model:expandedKeys="expanded" v-model:selectionKeys="selection" selectionMode="single" :filter="true" filterMode="lenient" filterPlaceholder="Find a document" aria-label="Editorial document tree" @node-select="select" /><section class="pinned"><h2>Pinned documents <span>{{saved.length}}</span></h2><ul v-if="saved.length"><li v-for="key in saved" :key="key"><span>{{documents[key].title}}</span><Button label="Remove" text size="small" :aria-label="`Remove ${documents[key].title}`" @click="saved=saved.filter(x=>x!==key)"/></li></ul><p v-else>No documents pinned yet.</p></section></aside><article class="document"><div class="document-top"><span>{{doc.type}}</span><Tag :value="doc.status" :severity="doc.status==='Ready'?'success':doc.status==='Review'?'info':'warn'"/></div><h2>{{doc.title}}</h2><p class="owner">{{doc.owner}} · ISSUE 04</p><div class="map-art" aria-hidden="true"><i></i><i></i><i></i><span>FIELD NOTES / 04</span></div><p class="intro">{{doc.intro}}</p><h3>What to inspect</h3><ol><li v-for="item in doc.items" :key="item">{{item}}</li></ol><aside class="document-note">{{doc.note}}</aside><Button :label="saved.includes(current)?'Pinned':'Pin this document'" :disabled="saved.includes(current)" @click="pin"/><p class="local-note">Sample records only. Pinning changes this page’s local state.</p></article></div><p class="selection-status" role="status">Selected document: {{doc.title}}</p></main></template>
- 文件夹节点设置 selectable:false；只有文档叶节点会更改详情视图。
- 原生筛选采用 lenient 模式，并保留匹配项的层级结构。
- 固定的文档属于独立的应用状态。
