sanbuphy
1062e2e16f
- 重构 api-intro 7 个 Vue 组件为更紧凑的左右布局 - 重构 api-design 相关组件 - 重构 transistor-to-cpu 相关组件 - 统一使用 demo-root -> demo-header -> demo-layout -> info-box 结构 - 扩写文章内容为 MIT 讲义风格
377 lines
8.2 KiB
Vue
377 lines
8.2 KiB
Vue
<template>
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<div class="process-demo">
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<div class="controls-section">
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<button
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class="action-btn"
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:class="{ active: isRunning }"
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@click="toggleSimulation"
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>
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{{ isRunning ? '⏸ 暂停时间片轮转' : '▶️ 启动 CPU' }}
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</button>
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<div class="speed-control">
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<label>时间流速:</label>
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<button :class="{ active: speed === 'slow' }" @click="setSpeed('slow')">
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极慢动作
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</button>
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<button :class="{ active: speed === 'fast' }" @click="setSpeed('fast')">
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真实速度
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</button>
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</div>
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</div>
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<div class="cpu-container">
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<div class="cpu-core" :class="{ active: isRunning }">
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<div class="cpu-title">单核 CPU</div>
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<div class="current-task">
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<span v-if="activeProcess" class="task-badge">
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正在处理: {{ activeProcess.icon }} {{ activeProcess.name }}
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</span>
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<span v-else class="task-badge idle"> 空闲中... </span>
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</div>
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</div>
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<!-- 连接线动画 -->
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<div class="connector">
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<div
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class="data-flow"
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:class="[`flow-${activeProcessId}`, { running: isRunning }]"
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></div>
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</div>
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</div>
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<div class="processes-grid">
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<div
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v-for="p in processes"
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:key="p.id"
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class="process-card"
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:class="{ active: p.id === activeProcessId }"
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>
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<div class="p-header">
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<div class="p-title">
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<span class="icon">{{ p.icon }}</span>
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<span class="name">{{ p.name }}</span>
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</div>
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<span
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class="status-badge"
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:class="p.id === activeProcessId ? 'running' : 'waiting'"
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>
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{{ p.id === activeProcessId ? '独占 CPU' : '排队等待' }}
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</span>
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</div>
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<div class="p-progress">
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<div class="progress-track">
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<div
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class="progress-fill"
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:style="{ width: p.progress + '%' }"
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></div>
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</div>
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<div class="progress-text">{{ Math.floor(p.progress) }}% 完成</div>
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</div>
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</div>
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</div>
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<div
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class="explanation-box"
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:class="{ show: isRunning && speed === 'fast' }"
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>
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💡
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**关键启示**：当切换速度足够快时，肉眼已经无法分辨谁在“等待”。这也就是为什么只有一个
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CPU 核心的电脑，依然能让你一边听歌一边打字！
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</div>
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</div>
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</template>
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<script setup>
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import { ref, computed, onUnmounted } from 'vue'
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const isRunning = ref(false)
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const activeProcessId = ref(null)
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const speed = ref('slow')
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let interval = null
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const processes = ref([
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{ id: 1, name: '微信接收', icon: '💬', progress: 0 },
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{ id: 2, name: '音乐播放', icon: '🎵', progress: 0 },
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{ id: 3, name: '游戏渲染', icon: '🎮', progress: 0 }
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])
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const activeProcess = computed(() =>
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processes.value.find((p) => p.id === activeProcessId.value)
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)
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const setSpeed = (s) => {
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speed.value = s
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if (isRunning.value) {
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clearInterval(interval)
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startLoop()
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}
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}
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const startLoop = () => {
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const switchTime = speed.value === 'slow' ? 1200 : 80 // 慢动作 1.2s，快动作极快
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if (!activeProcessId.value) {
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activeProcessId.value = 1
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}
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interval = setInterval(() => {
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// 增加当前进度
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const curr = processes.value.find((p) => p.id === activeProcessId.value)
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if (curr) {
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curr.progress += speed.value === 'slow' ? 15 : 4
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if (curr.progress >= 100) curr.progress = 0
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}
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// 切换下一个
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let nextId = activeProcessId.value + 1
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if (nextId > 3) nextId = 1
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activeProcessId.value = nextId
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}, switchTime)
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}
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const toggleSimulation = () => {
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if (isRunning.value) {
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clearInterval(interval)
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isRunning.value = false
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activeProcessId.value = null
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} else {
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isRunning.value = true
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startLoop()
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}
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}
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onUnmounted(() => {
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if (interval) clearInterval(interval)
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})
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</script>
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<style scoped>
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.process-demo {
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background: var(--vp-c-bg-soft);
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border: 1px solid var(--vp-c-divider);
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border-radius: 12px;
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padding: 1.5rem;
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margin: 1.5rem 0;
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font-family: var(--vp-font-family-base);
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}
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.controls-section {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 2rem;
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flex-wrap: wrap;
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gap: 1rem;
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}
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.action-btn {
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background: var(--vp-c-brand-1);
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color: white;
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border: none;
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padding: 0.6rem 1.2rem;
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border-radius: 8px;
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font-weight: 600;
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cursor: pointer;
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transition: all 0.3s ease;
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min-width: 160px;
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}
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.action-btn.active {
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background: var(--vp-c-danger-1);
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}
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.action-btn:hover {
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filter: brightness(1.1);
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transform: translateY(-1px);
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}
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.speed-control {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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font-size: 0.9rem;
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color: var(--vp-c-text-2);
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}
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.speed-control button {
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background: transparent;
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border: 1px solid var(--vp-c-divider);
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padding: 0.3rem 0.8rem;
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border-radius: 6px;
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cursor: pointer;
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transition: all 0.2s;
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}
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.speed-control button.active {
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background: var(--vp-c-brand-soft);
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color: var(--vp-c-brand-1);
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border-color: var(--vp-c-brand-1);
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font-weight: bold;
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}
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.cpu-container {
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display: flex;
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flex-direction: column;
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align-items: center;
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margin-bottom: 2rem;
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}
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.cpu-core {
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width: 240px;
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height: 90px;
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background: var(--vp-c-bg-alt);
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border: 2px solid var(--vp-c-divider);
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border-radius: 12px;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
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transition: all 0.3s;
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position: relative;
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}
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.cpu-core.active {
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border-color: var(--vp-c-brand-1);
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box-shadow: 0 0 20px var(--vp-c-brand-soft);
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}
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.cpu-title {
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font-weight: 800;
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font-size: 1.1rem;
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color: var(--vp-c-text-1);
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margin-bottom: 0.5rem;
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letter-spacing: 2px;
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}
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.current-task {
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height: 28px;
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display: flex;
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align-items: center;
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}
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.task-badge {
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background: var(--vp-c-brand-1);
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color: white;
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padding: 0.2rem 0.8rem;
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border-radius: 12px;
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font-size: 0.85rem;
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font-weight: 600;
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}
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.task-badge.idle {
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background: var(--vp-c-text-3);
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}
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/* 连接线动画占位，简化效果，用发亮的虚线替代 */
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.connector {
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width: 2px;
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height: 30px;
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background: var(--vp-c-divider);
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margin-top: 5px;
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position: relative;
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}
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.processes-grid {
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display: grid;
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grid-template-columns: repeat(3, 1fr);
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gap: 1rem;
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}
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@media (max-width: 640px) {
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.processes-grid {
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grid-template-columns: 1fr;
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}
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}
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.process-card {
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background: var(--vp-c-bg-alt);
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border: 1px solid var(--vp-c-divider);
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border-radius: 10px;
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padding: 1rem;
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transition: all 0.3s;
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position: relative;
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overflow: hidden;
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}
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.process-card.active {
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border-color: var(--vp-c-brand-1);
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transform: translateY(-2px);
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box-shadow: 0 6px 16px var(--vp-c-brand-soft);
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}
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.process-card.active::before {
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content: '';
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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height: 4px;
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background: var(--vp-c-brand-1);
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}
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.p-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 1rem;
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}
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.p-title {
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display: flex;
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align-items: center;
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gap: 0.4rem;
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font-weight: 600;
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}
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.status-badge {
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font-size: 0.75rem;
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padding: 0.1rem 0.5rem;
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border-radius: 4px;
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font-weight: bold;
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}
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.status-badge.waiting {
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background: var(--vp-c-bg-soft);
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color: var(--vp-c-text-2);
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}
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.status-badge.running {
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background: rgba(16, 185, 129, 0.15);
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color: var(--vp-c-success-1);
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}
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.p-progress {
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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}
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.progress-track {
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width: 100%;
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height: 8px;
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background: var(--vp-c-bg-soft);
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border-radius: 4px;
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overflow: hidden;
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}
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.progress-fill {
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height: 100%;
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background: var(--vp-c-brand-1);
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transition: width 0.1s linear;
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}
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.process-card.active .progress-fill {
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background: var(--vp-c-success-1);
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}
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.progress-text {
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font-size: 0.75rem;
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color: var(--vp-c-text-2);
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text-align: right;
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font-variant-numeric: tabular-nums;
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}
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.explanation-box {
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margin-top: 1.5rem;
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padding: 1rem;
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background: rgba(16, 185, 129, 0.1);
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border-left: 4px solid var(--vp-c-success-1);
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border-radius: 0 8px 8px 0;
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font-size: 0.95rem;
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opacity: 0;
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transform: translateY(10px);
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transition: all 0.5s ease;
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}
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.explanation-box.show {
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opacity: 1;
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transform: translateY(0);
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}
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</style>
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