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feat: add 30 interactive components for computer fundamentals section

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Added comprehensive interactive demos covering:
- Operating systems (2): OS overview, process/memory/filesystem
- Data encoding (2): data lifecycle, encoding/storage/transmission
- Network basics (5): overview, physical/data-link/transport/application layers
- Data structures (5): overview, linear structures, hash table, tree, selector
- Algorithms (4): overview, recursion, greedy thinking, paradigms
- Programming languages (5): evolution, paradigms, scenarios, comparison, type models
- Compilers (2): analogy, practice demo
- Additional (5): search/sort algorithms, network principles, encoding basics, storage hierarchy, graph structures

Also updated component registration in theme index.js and fixed minor formatting issues in related docs.
This commit is contained in:
sanbuphy
2026-02-20 21:59:52 +08:00
parent 0e8618f902
commit ec9d52033f
39 changed files with 13733 additions and 43 deletions
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docs/.vitepress/theme/components/appendix/computer-fundamentals/TreeStructureDemo.vue
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<template>
<div class="tree-structure-demo">
<div class="demo-header">
<span class="icon">🌳</span>
<span class="title">树形结构：层级关系的表示</span>
<span class="subtitle">像家谱一样的组织方式</span>
</div>
<div class="tree-selector">
<div class="selector-label">选择树的类型：</div>
<div class="selector-buttons">
<button
v-for="type in treeTypes"
:key="type.id"
:class="['type-btn', { active: activeTreeType === type.id }]"
@click="activeTreeType = type.id"
>
{{ type.icon }} {{ type.name }}
</button>
</div>
</div>
<!-- 二叉搜索树 -->
<div v-if="activeTreeType === 'binary'" class="tree-display">
<div class="tree-canvas">
<svg viewBox="0 0 600 350" class="tree-svg">
<!-- 连接线 -->
<line v-for="line in binaryTreeLines" :key="line.id"
:x1="line.x1" :y1="line.y1"
:x2="line.x2" :y2="line.y2"
stroke="var(--vp-c-divider)"
stroke-width="2"
/>
<!-- 节点 -->
<g v-for="node in binaryTreeNodes" :key="node.id"
:class="['tree-node', { root: node.isRoot, leaf: node.isLeaf }]"
:style="{ transform: `translate(${node.x}px, ${node.y}px)` }"
>
<circle cx="0" cy="0" r="25" fill="var(--vp-c-brand-soft)" stroke="var(--vp-c-brand)" stroke-width="2" />
<text x="0" y="0" text-anchor="middle" dominant-baseline="middle" fill="var(--vp-c-brand)" font-size="14" font-weight="600">{{ node.value }}</text>
</g>
</svg>
</div>
</div>
<!-- 文件系统树 -->
<div v-if="activeTreeType === 'filesystem'" class="filesystem-tree">
<div class="fs-root">
<div class="fs-node root">📁 根目录 /</div>
<div class="fs-children">
<div class="fs-branch">
<div class="fs-node">📁 home</div>
<div class="fs-children">
<div class="fs-node">👤 user</div>
<div class="fs-children">
<div class="fs-node">📄 document.txt</div>
<div class="fs-node">🖼️ photo.jpg</div>
</div>
</div>
</div>
<div class="fs-branch">
<div class="fs-node">📁 var</div>
<div class="fs-children">
<div class="fs-node">📁 www</div>
<div class="fs-children">
<div class="fs-node">📄 index.html</div>
<div class="fs-node">📄 style.css</div>
</div>
</div>
</div>
<div class="fs-branch">
<div class="fs-node">📁 etc</div>
<div class="fs-children">
<div class="fs-node">📄 config.conf</div>
</div>
</div>
</div>
</div>
</div>
<!-- DOM 树 -->
<div v-if="activeTreeType === 'dom'" class="dom-tree">
<div class="dom-preview">
<div class="preview-title">HTML 结构</div>
<div class="preview-html">
&lt;html&gt;
&lt;body&gt;
&lt;div class="container"&gt;
&lt;h1&gt;标题&lt;/h1&gt;
&lt;p&gt;段落&lt;/p&gt;
&lt;/div&gt;
&lt;/body&gt;
&lt;/html&gt;
</div>
</div>
<div class="dom-structure">
<div class="structure-title">DOM 树结构</div>
<div class="tree-nested">
<div class="dom-node root">
<span class="node-tag">html</span>
<div class="dom-children">
<div class="dom-node">
<span class="node-tag">body</span>
<div class="dom-children">
<div class="dom-node">
<span class="node-tag">div</span>
<span class="node-class">.container</span>
<div class="dom-children">
<div class="dom-node">
<span class="node-tag">h1</span>
<span class="node-text">"标题"</span>
</div>
<div class="dom-node">
<span class="node-tag">p</span>
<span class="node-text">"段落"</span>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- 树的特点 -->
<div class="tree-features">
<div class="features-title">树形结构的特点</div>
<div class="features-grid">
<div class="feature-card">
<div class="feature-icon">🌲</div>
<div class="feature-title">层级关系</div>
<div class="feature-desc">节点之间是一对多的父子关系</div>
</div>
<div class="feature-card">
<div class="feature-icon">🎯</div>
<div class="feature-title">单一根节点</div>
<div class="feature-desc">除根节点外，每个节点只有一个父节点</div>
</div>
<div class="feature-card">
<div class="feature-icon">🔍</div>
<div class="feature-title">高效查找</div>
<div class="feature-desc">二叉搜索树的查找时间是 O(log n)</div>
</div>
<div class="feature-card">
<div class="feature-icon">🔄</div>
<div class="feature-title">多种遍历</div>
<div class="feature-desc">前序、中序、后序、层序遍历</div>
</div>
</div>
</div>
<!-- 应用场景 -->
<div class="applications">
<div class="app-title">应用场景</div>
<div class="app-list">
<div class="app-item">
<span class="app-icon">📁</span>
<div class="app-content">
<div class="app-name">文件系统</div>
<div class="app-desc">文件夹和文件的层级组织</div>
</div>
</div>
<div class="app-item">
<span class="app-icon">🌐</span>
<div class="app-content">
<div class="app-name">HTML DOM</div>
<div class="app-desc">网页元素的嵌套结构</div>
</div>
</div>
<div class="app-item">
<span class="app-icon">🏢</span>
<div class="app-content">
<div class="app-name">组织架构</div>
<div class="app-desc">公司的管理层级关系</div>
</div>
</div>
<div class="app-item">
<span class="app-icon">🌲</span>
<div class="app-content">
<div class="app-name">决策树</div>
<div class="app-desc">机器学习的分类算法</div>
</div>
</div>
</div>
</div>
</div>
</template>
<script setup>
import { ref, computed } from 'vue'
const activeTreeType = ref('binary')
const treeTypes = [
{ id: 'binary', name: '二叉搜索树', icon: '🌳' },
{ id: 'filesystem', name: '文件系统', icon: '📁' },
{ id: 'dom', name: 'DOM 树', icon: '🌐' }
]
const binaryTreeNodes = [
{ id: 1, value: 50, x: 300, y: 40, isRoot: true },
{ id: 2, value: 30, x: 180, y: 120 },
{ id: 3, value: 70, x: 420, y: 120 },
{ id: 4, value: 20, x: 100, y: 200, isLeaf: true },
{ id: 5, value: 40, x: 260, y: 200, isLeaf: true },
{ id: 6, value: 60, x: 340, y: 200, isLeaf: true },
{ id: 7, value: 80, x: 500, y: 200, isLeaf: true }
]
const binaryTreeLines = [
{ id: 1, x1: 300, y1: 65, x2: 180, y2: 95 },
{ id: 2, x1: 300, y1: 65, x2: 420, y2: 95 },
{ id: 3, x1: 180, y1: 145, x2: 100, y2: 175 },
{ id: 4, x1: 180, y1: 145, x2: 260, y2: 175 },
{ id: 5, x1: 420, y1: 145, x2: 340, y2: 175 },
{ id: 6, x1: 420, y1: 145, x2: 500, y2: 175 }
]
</script>
<style scoped>
.tree-structure-demo {
border: 1px solid var(--vp-c-divider);
background: var(--vp-c-bg-soft);
border-radius: 12px;
padding: 1.5rem;
margin: 1.5rem 0;
}
.demo-header {
display: flex;
align-items: center;
gap: 0.5rem;
margin-bottom: 1.5rem;
}
.demo-header .icon { font-size: 1.5rem; }
.demo-header .title { font-weight: 700; font-size: 1.1rem; }
.demo-header .subtitle { color: var(--vp-c-text-2); font-size: 0.9rem; }
.tree-selector {
margin-bottom: 2rem;
}
.selector-label {
font-weight: 600;
font-size: 0.95rem;
margin-bottom: 0.75rem;
}
.selector-buttons {
display: flex;
gap: 0.75rem;
flex-wrap: wrap;
}
.type-btn {
padding: 0.6rem 1rem;
background: var(--vp-c-bg);
border: 2px solid var(--vp-c-divider);
border-radius: 6px;
cursor: pointer;
font-size: 0.9rem;
transition: all 0.3s;
}
.type-btn:hover {
border-color: var(--vp-c-brand);
}
.type-btn.active {
background: var(--vp-c-brand);
border-color: var(--vp-c-brand);
color: white;
}
.tree-display {
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
padding: 2rem;
margin-bottom: 2rem;
}
.tree-canvas {
width: 100%;
max-width: 600px;
margin: 0 auto;
}
.tree-svg {
width: 100%;
height: auto;
}
.tree-node circle {
transition: all 0.3s;
}
.tree-node:hover circle {
fill: var(--vp-c-brand);
stroke-width: 3;
}
.filesystem-tree {
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
padding: 2rem;
margin-bottom: 2rem;
}
.fs-root {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.fs-node {
padding: 0.5rem 0.75rem;
background: var(--vp-c-bg-soft);
border: 1px solid var(--vp-c-divider);
border-radius: 4px;
font-size: 0.9rem;
}
.fs-node.root {
background: var(--vp-c-brand-soft);
border-color: var(--vp-c-brand);
font-weight: 600;
}
.fs-children {
margin-left: 1.5rem;
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.dom-tree {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 2rem;
margin-bottom: 2rem;
}
@media (max-width: 768px) {
.dom-tree {
grid-template-columns: 1fr;
}
}
.dom-preview {
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
padding: 1.5rem;
}
.preview-title {
font-weight: 600;
font-size: 0.95rem;
margin-bottom: 1rem;
color: var(--vp-c-brand);
}
.preview-html {
font-family: 'Courier New', monospace;
font-size: 0.8rem;
line-height: 1.8;
color: var(--vp-c-text-2);
background: var(--vp-c-bg-soft);
padding: 1rem;
border-radius: 6px;
}
.dom-structure {
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
padding: 1.5rem;
}
.structure-title {
font-weight: 600;
font-size: 0.95rem;
margin-bottom: 1rem;
color: var(--vp-c-brand);
}
.tree-nested {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.dom-node {
display: flex;
gap: 0.5rem;
align-items: center;
padding: 0.5rem;
background: var(--vp-c-bg-soft);
border-radius: 4px;
}
.dom-children {
margin-left: 1.5rem;
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.node-tag {
padding: 0.25rem 0.5rem;
background: var(--vp-c-brand);
color: white;
border-radius: 4px;
font-size: 0.8rem;
font-weight: 600;
}
.node-class {
padding: 0.25rem 0.5rem;
background: #f59e0b;
color: white;
border-radius: 4px;
font-size: 0.75rem;
}
.node-text {
color: var(--vp-c-text-2);
font-size: 0.8rem;
font-style: italic;
}
.tree-features {
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
padding: 1.5rem;
margin-bottom: 2rem;
}
.features-title {
font-weight: 600;
font-size: 1rem;
margin-bottom: 1rem;
color: var(--vp-c-brand);
}
.features-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 1rem;
}
.feature-card {
padding: 1rem;
background: var(--vp-c-bg-soft);
border-radius: 6px;
text-align: center;
}
.feature-icon {
font-size: 1.8rem;
margin-bottom: 0.5rem;
}
.feature-title {
font-weight: 600;
font-size: 0.9rem;
margin-bottom: 0.35rem;
}
.feature-desc {
font-size: 0.8rem;
color: var(--vp-c-text-2);
line-height: 1.4;
}
.applications {
border-top: 1px solid var(--vp-c-divider);
padding-top: 1.5rem;
}
.app-title {
font-weight: 600;
font-size: 1rem;
margin-bottom: 1rem;
color: var(--vp-c-brand);
}
.app-list {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 1rem;
}
.app-item {
display: flex;
gap: 0.75rem;
padding: 1rem;
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
border-radius: 6px;
}
.app-icon {
font-size: 1.5rem;
flex-shrink: 0;
}
.app-content {
flex: 1;
}
.app-name {
font-weight: 600;
font-size: 0.9rem;
margin-bottom: 0.35rem;
}
.app-desc {
font-size: 0.8rem;
color: var(--vp-c-text-2);
line-height: 1.4;
}
</style>