feat: 更新附录交互组件和文档

This commit is contained in:
sanbuphy
2026-02-24 00:18:09 +08:00
parent d45df3cda5
commit 94f9db0834
88 changed files with 11797 additions and 7634 deletions
@@ -1,373 +1,349 @@
<template>
<div class="memory-demo">
<div class="demo-controls">
<button
class="allocate-btn wechat"
@click="allocate('wechat')"
:disabled="!hasFreeSpace"
>
+ 给微信分配数据
</button>
<button
class="allocate-btn game"
@click="allocate('game')"
:disabled="!hasFreeSpace"
>
+ 给游戏分配数据
</button>
<button class="reset-btn" @click="reset"> 重置</button>
</div>
<div class="system-view">
<!-- 虚拟内存试图 -->
<div class="virtual-cluster">
<div class="process-vm wechat">
<div class="title">💬 微信的虚拟内存<br />(它认为自己独占了空间)</div>
<div class="vm-blocks">
<div
v-for="i in 4"
:key="'w' + i"
class="block"
:class="{ filled: wechatBlocks >= i }"
>
{{ wechatBlocks >= i ? '数据 ' + i : '虚拟空闲' }}
<div class="demo">
<div class="title">🧠 操作系统给每个程序"画饼"</div>
<div class="scene">
<!-- 程序视角 -->
<div class="view-box">
<div class="view-title">📱 程序以为的内存虚拟</div>
<div class="virtual-mem">
<div class="proc-mem wechat">
<div class="proc-label">💬 微信</div>
<div class="mem-blocks">
<div
v-for="n in 4"
:key="n"
class="v-block"
:class="{ filled: wechatProgress >= n * 25 }"
>{{ n }}</div>
</div>
</div>
</div>
<div class="process-vm game">
<div class="title">
🎮 游戏的虚拟内存<br />(它也认为自己独占了空间)
</div>
<div class="vm-blocks">
<div
v-for="i in 4"
:key="'g' + i"
class="block"
:class="{ filled: gameBlocks >= i }"
>
{{ gameBlocks >= i ? '数据 ' + i : '虚拟空闲' }}
<div class="proc-mem game">
<div class="proc-label">🎮 游戏</div>
<div class="mem-blocks">
<div
v-for="n in 4"
:key="n"
class="v-block game"
:class="{ filled: gameProgress >= n * 25 }"
>{{ n }}</div>
</div>
</div>
</div>
</div>
<!-- OS 页表 (映射表) -->
<div class="os-page-table">
<div class="title">保安大叔 (OS 页表)</div>
<div class="table-info">
当程序存数据时<br />由我暗中转移到真正的物理缝隙里
<!-- 映射箭头 -->
<div class="mapping-arrow">
<div class="arrow-text">操作系统偷偷映射 </div>
<div class="mapping-lines">
<div
v-for="(map, idx) in visibleMappings"
:key="idx"
class="map-line"
:class="map.type"
:style="{ animationDelay: idx * 0.2 + 's' }"
>
<span class="from">{{ map.from }}</span>
<span class="line"></span>
<span class="to">{{ map.to }}</span>
</div>
</div>
</div>
<!-- 物理内存 -->
<div class="physical-memory">
<div class="title">🗄 真实的物理内存条<br />(其实像个大杂烩一样乱)</div>
<div class="pm-blocks">
<div
v-for="(block, idx) in physicalBlocks"
:key="'p' + idx"
class="block"
:class="[block.type, { occupied: block.type !== 'empty' }]"
<div class="view-box physical">
<div class="view-title">💾 真实的内存条物理</div>
<div class="physical-mem">
<div
v-for="(block, idx) in physicalBlocks"
:key="idx"
class="p-block"
:class="[block.type, { active: block.active }]"
>
{{ block.label }}
<span class="p-addr">{{ idx + 1 }}</span>
<span class="p-owner">{{ block.label }}</span>
</div>
</div>
</div>
</div>
<div class="explanation-box" v-if="wechatBlocks > 0 || gameBlocks > 0">
💡
发现了没尽管右侧真正的物理内存已经被塞得像个狗皮膏药但在左侧的微信和游戏眼里自己的内存条永远是连续且干净的更重要的是微信绝对访问不到橘色的物理块保证了安全
<div class="explain">
<strong>💡 原理</strong>每个程序以为自己独占连续的内存实际上操作系统把数据分散存到真实内存各处程序看到的地址都是"假"操作系统负责翻译
</div>
</div>
</template>
<script setup>
import { ref, computed } from 'vue'
import { ref, computed, onMounted, onUnmounted } from 'vue'
const wechatBlocks = ref(0)
const gameBlocks = ref(0)
const wechatProgress = ref(0)
const gameProgress = ref(0)
const currentMapping = ref(0)
// 初始物理内存状态,模拟碎片化
// empty = 空, os = 系统占用
const initialPhysicalBlocks = [
{ type: 'os', label: '系统核心占用' },
{ type: 'empty', label: '空闲' },
{ type: 'os', label: '系统保留' },
{ type: 'empty', label: '空闲' },
{ type: 'empty', label: '空闲' },
{ type: 'empty', label: '空闲' },
{ type: 'os', label: '系统驱动' },
{ type: 'empty', label: '空闲' }
// 物理内存状态
const physicalBlocks = ref([
{ type: 'os', label: '系统', active: false },
{ type: 'empty', label: '', active: false },
{ type: 'empty', label: '', active: false },
{ type: 'os', label: '系统', active: false },
{ type: 'empty', label: '', active: false },
{ type: 'empty', label: '', active: false },
{ type: 'empty', label: '', active: false },
{ type: 'os', label: '系统', active: false }
])
// 映射关系(虚拟地址 -> 物理地址)
const mappings = [
{ from: '微信-1', to: '物理-2', type: 'wechat' },
{ from: '微信-2', to: '物理-3', type: 'wechat' },
{ from: '游戏-1', to: '物理-5', type: 'game' },
{ from: '游戏-2', to: '物理-6', type: 'game' }
]
const physicalBlocks = ref(JSON.parse(JSON.stringify(initialPhysicalBlocks)))
const freeSpaceCount = computed(() => {
return physicalBlocks.value.filter((b) => b.type === 'empty').length
const visibleMappings = computed(() => {
return mappings.slice(0, currentMapping.value)
})
const hasFreeSpace = computed(() => freeSpaceCount.value > 0)
let timer = null
let phase = 0
const allocate = (process) => {
if (!hasFreeSpace.value) return
// Find a process block logic
if (process === 'wechat' && wechatBlocks.value < 4) {
wechatBlocks.value++
fillRandomEmptyBlock('wechat', `微信数据 ${wechatBlocks.value}`)
} else if (process === 'game' && gameBlocks.value < 4) {
gameBlocks.value++
fillRandomEmptyBlock('game', `游戏数据 ${gameBlocks.value}`)
const runDemo = () => {
switch(phase) {
case 0: // 微信申请内存
wechatProgress.value = 50
physicalBlocks.value[1] = { type: 'wechat', label: 'W1', active: true }
physicalBlocks.value[2] = { type: 'wechat', label: 'W2', active: true }
currentMapping.value = 2
phase = 1
break
case 1: // 游戏申请内存
gameProgress.value = 50
physicalBlocks.value[4] = { type: 'game', label: 'G1', active: true }
physicalBlocks.value[5] = { type: 'game', label: 'G2', active: true }
currentMapping.value = 4
phase = 2
break
case 2: // 高亮显示
physicalBlocks.value.forEach(b => b.active = false)
phase = 3
break
case 3: // 重置
wechatProgress.value = 0
gameProgress.value = 0
currentMapping.value = 0
physicalBlocks.value[1] = { type: 'empty', label: '', active: false }
physicalBlocks.value[2] = { type: 'empty', label: '', active: false }
physicalBlocks.value[4] = { type: 'empty', label: '', active: false }
physicalBlocks.value[5] = { type: 'empty', label: '', active: false }
phase = 0
break
}
}
const fillRandomEmptyBlock = (type, label) => {
const emptyIndices = []
physicalBlocks.value.forEach((b, i) => {
if (b.type === 'empty') emptyIndices.push(i)
})
onMounted(() => {
timer = setInterval(runDemo, 2000)
})
if (emptyIndices.length > 0) {
const randomIndex =
emptyIndices[Math.floor(Math.random() * emptyIndices.length)]
physicalBlocks.value[randomIndex] = { type, label }
}
}
const reset = () => {
wechatBlocks.value = 0
gameBlocks.value = 0
physicalBlocks.value = JSON.parse(JSON.stringify(initialPhysicalBlocks))
}
onUnmounted(() => {
clearInterval(timer)
})
</script>
<style scoped>
.memory-demo {
.demo {
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
background: var(--vp-c-bg-soft);
border: 1px solid var(--vp-c-divider);
border-radius: 12px;
padding: 1.5rem;
margin: 1.5rem 0;
font-family: var(--vp-font-family-base);
}
.demo-controls {
display: flex;
gap: 1rem;
margin-bottom: 2rem;
justify-content: center;
flex-wrap: wrap;
}
.allocate-btn {
color: white;
border: none;
padding: 0.6rem 1.2rem;
border-radius: 8px;
font-weight: 600;
cursor: pointer;
transition: all 0.2s;
}
.allocate-btn:disabled {
opacity: 0.5;
cursor: not-allowed;
filter: grayscale(1);
}
.allocate-btn.wechat {
background: var(--vp-c-success-1);
}
.allocate-btn.wechat:not(:disabled):hover {
filter: brightness(1.1);
}
.allocate-btn.game {
background: var(--vp-c-warning-1);
}
.allocate-btn.game:not(:disabled):hover {
filter: brightness(1.1);
}
.reset-btn {
background: transparent;
color: var(--vp-c-text-2);
border: 1px solid var(--vp-c-divider);
padding: 0.6rem 1.2rem;
border-radius: 8px;
cursor: pointer;
transition: all 0.2s;
}
.reset-btn:hover {
background: var(--vp-c-bg-mute);
color: var(--vp-c-text-1);
}
.system-view {
display: flex;
justify-content: space-between;
align-items: stretch;
gap: 1.5rem;
}
@media (max-width: 768px) {
.system-view {
flex-direction: column;
}
padding: 16px;
margin: 1rem 0;
}
.title {
font-size: 0.85rem;
font-weight: bold;
font-weight: 600;
font-size: 14px;
margin-bottom: 12px;
text-align: center;
margin-bottom: 1rem;
color: var(--vp-c-text-1);
min-height: 2.5rem;
}
.virtual-cluster {
display: flex;
gap: 1rem;
flex: 2;
}
.process-vm {
flex: 1;
background: var(--vp-c-bg-alt);
border: 2px dashed var(--vp-c-divider);
border-radius: 10px;
padding: 1rem;
}
.vm-blocks {
.scene {
display: flex;
flex-direction: column;
gap: 0.5rem;
gap: 12px;
margin-bottom: 12px;
}
.block {
padding: 0.6rem;
.view-box {
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
border-radius: 6px;
padding: 10px;
}
.view-box.physical {
background: #1a1a2e11;
}
.view-title {
font-size: 11px;
font-weight: 600;
color: var(--vp-c-text-3);
margin-bottom: 8px;
text-align: center;
font-size: 0.8rem;
font-weight: bold;
}
.virtual-mem {
display: flex;
flex-direction: column;
gap: 8px;
}
.proc-mem {
display: flex;
align-items: center;
gap: 8px;
}
.proc-label {
font-size: 11px;
width: 50px;
flex-shrink: 0;
}
.mem-blocks {
display: flex;
gap: 4px;
flex: 1;
}
.v-block {
flex: 1;
height: 28px;
border: 1px dashed var(--vp-c-divider);
border-radius: 4px;
display: flex;
align-items: center;
justify-content: center;
font-size: 10px;
color: var(--vp-c-text-3);
transition: all 0.3s;
}
.process-vm .block {
background: var(--vp-c-bg-mute);
border: 1px solid var(--vp-c-divider);
color: var(--vp-c-text-3);
opacity: 0.5;
}
.process-vm.wechat .block.filled {
background: rgba(16, 185, 129, 0.15);
border: 1px solid var(--vp-c-success-1);
color: var(--vp-c-success-1);
opacity: 1;
}
.process-vm.game .block.filled {
background: rgba(245, 158, 11, 0.15);
border: 1px solid var(--vp-c-warning-1);
color: var(--vp-c-warning-1);
opacity: 1;
.v-block.filled {
background: #16a34a33;
border: 1px solid #16a34a;
color: #16a34a;
font-weight: 600;
}
.os-page-table {
flex: 1;
.v-block.game.filled {
background: #d9770633;
border-color: #d97706;
color: #d97706;
}
.mapping-arrow {
text-align: center;
padding: 4px 0;
}
.arrow-text {
font-size: 10px;
color: var(--vp-c-text-3);
margin-bottom: 4px;
}
.mapping-lines {
display: flex;
justify-content: center;
gap: 16px;
flex-wrap: wrap;
}
.map-line {
display: flex;
align-items: center;
gap: 4px;
font-size: 10px;
animation: fade-in 0.3s ease;
}
.map-line.wechat {
color: #16a34a;
}
.map-line.game {
color: #d97706;
}
.map-line .line {
width: 20px;
height: 1px;
background: currentColor;
}
.physical-mem {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 4px;
}
.p-block {
height: 32px;
border: 1px solid var(--vp-c-divider);
border-radius: 4px;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
background: var(--vp-c-bg-alt);
border-radius: 10px;
padding: 1rem;
position: relative;
border: 2px solid var(--vp-c-brand-1);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
font-size: 9px;
transition: all 0.3s;
}
.os-page-table .table-info {
font-size: 0.8rem;
color: var(--vp-c-text-2);
text-align: center;
background: var(--vp-c-bg);
padding: 0.8rem;
border-radius: 8px;
}
.physical-memory {
flex: 1;
background: var(--vp-c-bg-alt);
border-radius: 10px;
padding: 1rem;
border: 2px solid var(--vp-c-text-3);
}
.pm-blocks {
display: flex;
flex-direction: column;
gap: 0.4rem;
}
.pm-blocks .block {
padding: 0.5rem;
border-radius: 4px;
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
color: var(--vp-c-text-3);
font-size: 0.75rem;
}
.pm-blocks .block.os {
background: var(--vp-c-bg-mute);
color: var(--vp-c-text-2);
.p-block.os {
background: var(--vp-c-bg-soft);
border-style: dashed;
}
.pm-blocks .block.wechat {
background: var(--vp-c-success-1);
color: white;
border-color: var(--vp-c-success-1);
animation: popIn 0.3s ease-out;
}
.pm-blocks .block.game {
background: var(--vp-c-warning-1);
color: white;
border-color: var(--vp-c-warning-1);
animation: popIn 0.3s ease-out;
color: var(--vp-c-text-3);
}
@keyframes popIn {
0% {
transform: scale(0.9);
opacity: 0;
}
50% {
transform: scale(1.05);
}
100% {
transform: scale(1);
opacity: 1;
}
.p-block.wechat {
background: #16a34a22;
border-color: #16a34a;
color: #16a34a;
}
.explanation-box {
margin-top: 1.5rem;
padding: 1rem;
background: rgba(16, 185, 129, 0.1);
border-left: 4px solid var(--vp-c-success-1);
border-radius: 0 8px 8px 0;
font-size: 0.95rem;
animation: fadeIn 0.5s;
.p-block.game {
background: #d9770622;
border-color: #d97706;
color: #d97706;
}
@keyframes fadeIn {
from {
opacity: 0;
transform: translateY(10px);
}
to {
opacity: 1;
transform: translateY(0);
}
.p-block.active {
box-shadow: 0 0 8px currentColor;
transform: scale(1.05);
}
.p-addr {
font-size: 8px;
opacity: 0.7;
}
.p-owner {
font-weight: 600;
}
.explain {
font-size: 12px;
color: var(--vp-c-text-2);
line-height: 1.5;
padding: 10px;
background: var(--vp-c-bg);
border-radius: 6px;
}
.explain strong { color: var(--vp-c-text-1); }
@keyframes fade-in {
from { opacity: 0; transform: translateY(-5px); }
to { opacity: 1; transform: translateY(0); }
}
</style>