feat: 更新附录文档及对应交互组件

This commit is contained in:
sanbuphy
2026-02-23 12:09:47 +08:00
parent 1062e2e16f
commit 6e13832d97
29 changed files with 13338 additions and 389 deletions
@@ -0,0 +1,719 @@
<template>
<div class="adder-chain-demo">
<div class="demo-header">
<span class="title">行波进位加法器 (Ripple Carry Adder)</span>
<span class="subtitle">多个全加器级联实现多位二进制加法</span>
</div>
<div class="terms-box">
<div class="term-item">
<span class="term-name">级联</span>
<span class="term-desc">低位 Cout 连接高位 Cin</span>
</div>
<div class="term-item">
<span class="term-name">行波</span>
<span class="term-desc">进位像波浪一样逐位传递</span>
</div>
<div class="term-item">
<span class="term-name">溢出</span>
<span class="term-desc">最高位产生进位结果超出范围</span>
</div>
</div>
<div class="control-panel">
<div class="bit-selector">
<span class="selector-label">位数</span>
<button
v-for="b in [2, 4, 8]"
:key="b"
class="bit-btn"
:class="{ active: bitCount === b }"
@click="bitCount = b"
>
{{ b }}
</button>
</div>
<div class="input-group">
<label class="input-label">
<span>A =</span>
<input
v-model.number="inputA"
type="number"
:min="0"
:max="maxValue"
class="num-input"
/>
</label>
<span class="op">+</span>
<label class="input-label">
<span>B =</span>
<input
v-model.number="inputB"
type="number"
:min="0"
:max="maxValue"
class="num-input"
/>
</label>
<span class="op">=</span>
<span class="result">{{ resultDec }}</span>
<span v-if="overflow" class="overflow-badge">溢出</span>
</div>
</div>
<div class="binary-display">
<div class="binary-row">
<span class="binary-label">A</span>
<span class="binary-bits">
<span
v-for="(b, i) in bitsA"
:key="'a' + i"
class="bit"
:class="{ hl: activeBit === i }"
>{{ b }}</span>
</span>
<span class="binary-dec">({{ clampedA }})</span>
</div>
<div class="binary-row">
<span class="binary-label">B</span>
<span class="binary-bits">
<span
v-for="(b, i) in bitsB"
:key="'b' + i"
class="bit"
:class="{ hl: activeBit === i }"
>{{ b }}</span>
</span>
<span class="binary-dec">({{ clampedB }})</span>
</div>
<div class="binary-row result-row">
<span class="binary-label">=</span>
<span class="binary-bits">
<span
v-for="(b, i) in bitsSum"
:key="'s' + i"
class="bit result-bit"
:class="{ hl: activeBit === i }"
>{{ b }}</span>
</span>
<span class="binary-dec">({{ resultDec }}{{ overflow ? ' 溢出' : '' }})</span>
</div>
</div>
<div class="chain-visualization">
<div class="chain-header">
<span class="chain-title">加法器级联</span>
<span class="chain-hint">悬停查看每位计算详情</span>
</div>
<div class="chain-row">
<div
v-for="(stage, idx) in stages"
:key="idx"
class="stage-box"
:class="{ active: activeBit === idx, first: idx === 0 }"
@mouseenter="activeBit = idx"
@mouseleave="activeBit = null"
>
<div class="stage-header">
<span class="stage-bit">{{ idx }}</span>
<span class="stage-type">{{
idx === 0 ? '半加器' : '全加器'
}}</span>
</div>
<div class="stage-io">
<div class="io-row">
<span class="io-tag a">A</span>
<span class="io-val">{{ stage.a }}</span>
<span class="io-tag b">B</span>
<span class="io-val">{{ stage.b }}</span>
<span v-if="stage.cin !== null" class="io-tag cin">Cin</span>
<span v-if="stage.cin !== null" class="io-val">{{
stage.cin
}}</span>
</div>
<div class="io-divider"></div>
<div class="io-row">
<span class="io-tag sum">Sum</span>
<span class="io-val result">{{ stage.sum }}</span>
<span class="io-tag cout">Cout</span>
<span class="io-val" :class="{ carry: stage.cout }">{{
stage.cout
}}</span>
</div>
</div>
<div v-if="idx < stages.length - 1 && stage.cout" class="carry-arrow">
<svg width="20" height="12" viewBox="0 0 20 12">
<path
d="M 0,6 L 15,6 M 12,3 L 15,6 L 12,9"
fill="none"
stroke="#d97706"
stroke-width="1.5"
/>
</svg>
</div>
</div>
</div>
</div>
<div v-if="activeBit !== null" class="calculation-box">
<div class="calc-title"> {{ activeBit }} 位计算过程</div>
<div class="calc-content">
<div class="calc-row">
<span class="calc-label">输入</span>
<span class="calc-value">A = {{ stages[activeBit]?.a }}B = {{ stages[activeBit]?.b
}}<span v-if="stages[activeBit]?.cin !== null">Cin = {{ stages[activeBit]?.cin }}</span></span>
</div>
<div class="calc-row">
<span class="calc-label">本位</span>
<span class="calc-formula">
{{ stages[activeBit]?.a }} {{ stages[activeBit]?.b }}
<span v-if="stages[activeBit]?.cin !== null">
{{ stages[activeBit]?.cin }}</span>
= <strong>{{ stages[activeBit]?.sum }}</strong>
</span>
<span class="calc-reason">{{ getSumReason(stages[activeBit]) }}</span>
</div>
<div class="calc-row">
<span class="calc-label">进位</span>
<span class="calc-formula">
{{ stages[activeBit]?.cout ? '产生进位 → 传递给高位' : '无进位' }}
</span>
</div>
</div>
</div>
<div v-else class="calculation-box">
<div class="calc-title">整体计算过程</div>
<div class="calc-content">
<div class="calc-row">
<span class="calc-label">输入</span>
<span class="calc-value">A = {{ clampedA }} ({{ bitsA.join('') }})B = {{ clampedB }} ({{
bitsB.join('')
}})</span>
</div>
<div class="calc-row">
<span class="calc-label">过程</span>
<span class="calc-formula">从第 0 位开始逐位计算本位和进位进位向高位传递</span>
</div>
<div class="calc-row">
<span class="calc-label">结果</span>
<span class="calc-formula">{{ bitsSum.join('') }} = <strong>{{ resultDec }}</strong>{{ overflow ? ' (溢出)' : '' }}</span>
</div>
</div>
</div>
<div class="info-box">
<strong>核心思想</strong>
进位像波浪一样从最低位逐级传递到最高位所以叫"行波进位"位数越多延迟越大但电路简单
</div>
</div>
</template>
<script setup>
import { ref, computed } from 'vue'
const bitCount = ref(4)
const inputA = ref(7)
const inputB = ref(6)
const activeBit = ref(null)
const maxValue = computed(() => Math.pow(2, bitCount.value) - 1)
function clamp(n) {
const v = Number(n)
if (Number.isNaN(v)) return 0
return Math.max(0, Math.min(maxValue.value, Math.floor(v)))
}
const clampedA = computed(() => clamp(inputA.value))
const clampedB = computed(() => clamp(inputB.value))
const bitsA = computed(() =>
(clampedA.value >>> 0).toString(2).padStart(bitCount.value, '0').split('')
)
const bitsB = computed(() =>
(clampedB.value >>> 0).toString(2).padStart(bitCount.value, '0').split('')
)
const stages = computed(() => {
const A = clampedA.value
const B = clampedB.value
const result = []
let carryIn = null
for (let i = 0; i < bitCount.value; i++) {
const a = (A >> i) & 1
const b = (B >> i) & 1
let sum, carryOut
if (carryIn === null) {
sum = a ^ b
carryOut = a & b
} else {
const xor1 = a ^ b
sum = xor1 ^ carryIn
carryOut = (a & b) | (carryIn & xor1)
}
result.push({
bitPos: i,
a,
b,
cin: carryIn,
sum,
cout: carryOut
})
carryIn = carryOut
}
return result
})
const bitsSum = computed(() => {
const S = stages.value.reduce((acc, s, i) => acc + (s.sum << i), 0)
return (S >>> 0).toString(2).padStart(bitCount.value, '0').split('')
})
const overflow = computed(() => {
return (
stages.value.length > 0 && stages.value[stages.value.length - 1].cout === 1
)
})
const resultDec = computed(() =>
stages.value.reduce((acc, s, i) => acc + (s.sum << i), 0)
)
function getSumReason(stage) {
if (!stage) return ''
const inputs = [stage.a, stage.b]
if (stage.cin !== null) inputs.push(stage.cin)
const ones = inputs.filter((x) => x === 1).length
if (stage.sum === 1) {
return ones % 2 === 1 ? '奇数个 1' : '偶数个 1'
} else {
return ones % 2 === 0 ? '偶数个 1' : '奇数个 1'
}
}
</script>
<style scoped>
.adder-chain-demo {
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
background: var(--vp-c-bg-soft);
padding: 1rem 1.2rem;
margin: 1rem 0;
}
.demo-header {
display: flex;
flex-direction: column;
gap: 0.15rem;
margin-bottom: 0.75rem;
}
.title {
font-size: 0.9rem;
font-weight: bold;
color: var(--vp-c-text-1);
}
.subtitle {
font-size: 0.75rem;
color: var(--vp-c-text-3);
}
.terms-box {
display: flex;
gap: 0.5rem;
margin-bottom: 0.75rem;
padding: 0.5rem;
background: var(--vp-c-bg-alt);
border-radius: 6px;
}
.term-item {
flex: 1;
display: flex;
flex-direction: column;
gap: 0.15rem;
}
.term-name {
font-size: 0.78rem;
font-weight: 600;
color: var(--vp-c-brand-1);
}
.term-desc {
font-size: 0.68rem;
color: var(--vp-c-text-3);
line-height: 1.3;
}
.control-panel {
display: flex;
flex-wrap: wrap;
gap: 0.75rem;
align-items: center;
margin-bottom: 0.75rem;
padding: 0.5rem 0.75rem;
background: var(--vp-c-bg);
border-radius: 6px;
}
.bit-selector {
display: flex;
align-items: center;
gap: 0.3rem;
}
.selector-label {
font-size: 0.78rem;
color: var(--vp-c-text-2);
font-weight: 500;
}
.bit-btn {
padding: 0.25rem 0.6rem;
border: 1px solid var(--vp-c-divider);
border-radius: 4px;
background: var(--vp-c-bg-alt);
color: var(--vp-c-text-2);
font-size: 0.75rem;
cursor: pointer;
transition: all 0.15s;
}
.bit-btn.active {
background: var(--vp-c-brand-1);
color: white;
border-color: var(--vp-c-brand-1);
}
.input-group {
display: flex;
align-items: center;
gap: 0.4rem;
}
.input-label {
display: flex;
align-items: center;
gap: 0.25rem;
font-size: 0.78rem;
color: var(--vp-c-text-2);
}
.num-input {
width: 3.5rem;
padding: 0.2rem 0.4rem;
border: 1px solid var(--vp-c-divider);
border-radius: 4px;
font-size: 0.85rem;
background: var(--vp-c-bg-alt);
color: var(--vp-c-text-1);
}
.op {
font-weight: bold;
color: var(--vp-c-text-3);
}
.result {
font-weight: bold;
color: var(--vp-c-brand-1);
font-size: 1rem;
}
.overflow-badge {
font-size: 0.65rem;
padding: 0.15rem 0.4rem;
background: #fef3c7;
color: #d97706;
border-radius: 3px;
font-weight: 600;
}
.binary-display {
background: var(--vp-c-bg-alt);
border-radius: 6px;
padding: 0.5rem 0.75rem;
margin-bottom: 0.75rem;
}
.binary-row {
display: flex;
align-items: center;
gap: 0.5rem;
margin-bottom: 0.2rem;
font-size: 0.82rem;
}
.binary-label {
color: var(--vp-c-text-2);
min-width: 1.5rem;
font-weight: 600;
}
.binary-bits {
display: flex;
gap: 0.15rem;
font-family: 'JetBrains Mono', monospace;
}
.bit {
display: inline-flex;
align-items: center;
justify-content: center;
min-width: 1.2rem;
height: 1.4rem;
border-radius: 3px;
transition: all 0.15s;
}
.bit.hl {
background: var(--vp-c-brand-soft);
color: var(--vp-c-brand-1);
font-weight: bold;
}
.result-bit {
font-weight: 600;
}
.binary-dec {
color: var(--vp-c-text-3);
font-size: 0.72rem;
margin-left: 0.25rem;
}
.result-row .binary-bits {
color: var(--vp-c-green-1, #16a34a);
}
.chain-visualization {
margin-bottom: 0.75rem;
}
.chain-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 0.4rem;
}
.chain-title {
font-size: 0.78rem;
font-weight: 600;
color: var(--vp-c-text-2);
}
.chain-hint {
font-size: 0.68rem;
color: var(--vp-c-text-3);
}
.chain-row {
display: flex;
gap: 0.3rem;
overflow-x: auto;
padding-bottom: 0.25rem;
}
.stage-box {
flex-shrink: 0;
width: 5.5rem;
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
border-radius: 6px;
padding: 0.4rem;
cursor: pointer;
transition: all 0.15s;
position: relative;
}
.stage-box.active {
border-color: var(--vp-c-brand-1);
box-shadow: 0 0 0 1px var(--vp-c-brand-1);
}
.stage-box.first {
border-color: var(--vp-c-brand-soft);
}
.stage-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 0.3rem;
padding-bottom: 0.2rem;
border-bottom: 1px solid var(--vp-c-divider);
}
.stage-bit {
font-size: 0.68rem;
font-weight: 600;
color: var(--vp-c-text-2);
}
.stage-type {
font-size: 0.6rem;
padding: 0.1rem 0.25rem;
border-radius: 3px;
background: var(--vp-c-brand-soft);
color: var(--vp-c-brand-1);
}
.stage-box.first .stage-type {
background: rgba(139, 92, 246, 0.15);
color: #8b5cf6;
}
.stage-io {
display: flex;
flex-direction: column;
gap: 0.15rem;
}
.io-row {
display: flex;
align-items: center;
gap: 0.15rem;
font-size: 0.72rem;
}
.io-tag {
font-size: 0.55rem;
font-weight: 600;
padding: 0.05rem 0.2rem;
border-radius: 2px;
color: white;
}
.io-tag.a {
background: var(--vp-c-brand-1);
}
.io-tag.b {
background: #8b5cf6;
}
.io-tag.cin {
background: #d97706;
}
.io-tag.sum {
background: var(--vp-c-green-1, #16a34a);
}
.io-tag.cout {
background: #d97706;
}
.io-val {
font-family: 'JetBrains Mono', monospace;
color: var(--vp-c-text-1);
}
.io-val.result {
font-weight: 600;
color: var(--vp-c-green-1, #16a34a);
}
.io-val.carry {
color: #d97706;
font-weight: 600;
}
.io-divider {
height: 1px;
background: var(--vp-c-divider);
margin: 0.15rem 0;
}
.carry-arrow {
position: absolute;
right: -1.3rem;
top: 50%;
transform: translateY(-50%);
}
.calculation-box {
margin-top: 0.75rem;
padding: 0.6rem 0.8rem;
background: var(--vp-c-bg);
border-radius: 6px;
}
.calc-title {
font-size: 0.75rem;
font-weight: 600;
color: var(--vp-c-text-2);
margin-bottom: 0.4rem;
}
.calc-content {
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.calc-row {
display: flex;
align-items: baseline;
gap: 0.3rem;
font-size: 0.78rem;
}
.calc-label {
color: var(--vp-c-text-3);
min-width: 3rem;
}
.calc-formula {
font-family: 'JetBrains Mono', monospace;
color: var(--vp-c-text-1);
}
.calc-formula strong {
color: var(--vp-c-brand-1);
}
.calc-reason {
color: var(--vp-c-text-3);
font-size: 0.72rem;
}
.info-box {
display: flex;
gap: 0.25rem;
margin-top: 0.75rem;
padding: 0.6rem 0.8rem;
background: var(--vp-c-bg-alt);
border-radius: 6px;
font-size: 0.8rem;
color: var(--vp-c-text-2);
line-height: 1.4;
}
.info-box strong {
white-space: nowrap;
flex-shrink: 0;
color: var(--vp-c-text-1);
}
@media (max-width: 600px) {
.control-panel {
flex-direction: column;
align-items: flex-start;
}
.chain-row {
gap: 0.2rem;
}
.stage-box {
width: 5rem;
}
.terms-box {
flex-direction: column;
}
}
</style>
@@ -0,0 +1,515 @@
<template>
<div class="full-adder-demo">
<div class="demo-header">
<span class="title">全加器 (Full Adder)</span>
<span class="subtitle">能处理进位输入的完整加法单元 三个输入两个输出</span>
</div>
<div class="terms-box">
<div class="term-item">
<span class="term-name">Cin (进位输入)</span>
<span class="term-desc">来自低位的进位信号</span>
</div>
<div class="term-item">
<span class="term-name">Sum (本位)</span>
<span class="term-desc">三位异或的结果</span>
</div>
<div class="term-item">
<span class="term-name">Cout (进位输出)</span>
<span class="term-desc">向高位的进位信号</span>
</div>
</div>
<div class="circuit-container">
<div class="inputs">
<div class="input-line">
<button
class="toggle-btn"
:class="{ on: inputA }"
@click="inputA = !inputA"
>
{{ inputA ? '1' : '0' }}
</button>
<span class="label">输入 A</span>
</div>
<div class="input-line">
<button
class="toggle-btn"
:class="{ on: inputB }"
@click="inputB = !inputB"
>
{{ inputB ? '1' : '0' }}
</button>
<span class="label">输入 B</span>
</div>
<div class="input-line">
<button
class="toggle-btn cin-btn"
:class="{ on: carryIn }"
@click="carryIn = !carryIn"
>
{{ carryIn ? '1' : '0' }}
</button>
<span class="label">Cin</span>
</div>
</div>
<div class="wires">
<svg class="wire-svg" viewBox="0 0 120 180" preserveAspectRatio="none">
<path
d="M 0,30 C 30,30 30,45 60,45"
fill="none"
:stroke="inputA ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
<path
d="M 0,30 L 15,30 L 15,105 L 60,105"
fill="none"
:stroke="inputA ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
<path
d="M 0,90 C 30,90 30,60 60,60"
fill="none"
:stroke="inputB ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
<path
d="M 0,90 L 25,90 L 25,120 L 60,120"
fill="none"
:stroke="inputB ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
<path
d="M 0,150 C 30,150 30,135 60,135"
fill="none"
:stroke="carryIn ? '#d97706' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
<circle
cx="15"
cy="30"
r="3"
:fill="inputA ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
/>
<circle
cx="25"
cy="90"
r="3"
:fill="inputB ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
/>
</svg>
</div>
<div class="gates">
<div class="gate-box xor-gate" :class="{ active: xor1 }">
<div class="gate-header">
<span class="gate-name">XOR</span>
<span class="gate-cn">异或门</span>
</div>
<div class="gate-formula">A B</div>
<div class="gate-desc">不同为 1 中间值</div>
</div>
<div class="gate-box and-gate" :class="{ active: carry1 }">
<div class="gate-header">
<span class="gate-name">AND</span>
<span class="gate-cn">与门</span>
</div>
<div class="gate-formula">A B</div>
<div class="gate-desc"> 1 1 进位1</div>
</div>
<div class="gate-box xor-gate" :class="{ active: sumOut }">
<div class="gate-header">
<span class="gate-name">XOR</span>
<span class="gate-cn">异或门</span>
</div>
<div class="gate-formula">xor1 Cin</div>
<div class="gate-desc">不同为 1 本位</div>
</div>
<div class="gate-box or-gate" :class="{ active: carryOut }">
<div class="gate-header">
<span class="gate-name">OR</span>
<span class="gate-cn">或门</span>
</div>
<div class="gate-formula">c1 c2</div>
<div class="gate-desc"> 1 1 进位输出</div>
</div>
</div>
<div class="wires outputs-wires">
<svg class="wire-svg" viewBox="0 0 50 180" preserveAspectRatio="none">
<line
x1="0"
y1="52"
x2="50"
y2="52"
:stroke="
sumOut ? 'var(--vp-c-green-1, #16a34a)' : 'var(--vp-c-text-3)'
"
stroke-width="2"
/>
<line
x1="0"
y1="135"
x2="50"
y2="135"
:stroke="carryOut ? '#d97706' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
</svg>
</div>
<div class="outputs">
<div class="output-line" :class="{ active: sumOut }">
<span class="label">本位 (Sum)</span>
<span class="out-val s-val">{{ sumOut ? '1' : '0' }}</span>
</div>
<div class="output-line" :class="{ active: carryOut }">
<span class="label">Cout (进位)</span>
<span class="out-val c-val">{{ carryOut ? '1' : '0' }}</span>
</div>
</div>
</div>
<div class="calculation-box">
<div class="calc-title">计算过程</div>
<div class="calc-content">
<div class="calc-row">
<span class="calc-label">输入</span>
<span class="calc-value">A = {{ inputA ? '1' : '0' }}B = {{ inputB ? '1' : '0' }}Cin =
{{ carryIn ? '1' : '0' }}</span>
</div>
<div class="calc-row">
<span class="calc-label">中间值</span>
<span class="calc-formula">xor1 = A B = {{ inputA ? '1' : '0' }}
{{ inputB ? '1' : '0' }} =
<strong>{{ xor1 ? '1' : '0' }}</strong></span>
<span class="calc-reason">{{ inputA !== inputB ? '不同' : '相同' }}</span>
</div>
<div class="calc-row">
<span class="calc-label">本位</span>
<span class="calc-formula">Sum = xor1 Cin = {{ xor1 ? '1' : '0' }}
{{ carryIn ? '1' : '0' }} =
<strong>{{ sumOut ? '1' : '0' }}</strong></span>
<span class="calc-reason">{{ xor1 !== carryIn ? '不同' : '相同' }}</span>
</div>
<div class="calc-row">
<span class="calc-label">进位</span>
<span class="calc-formula">Cout = (AB) (xor1Cin) = ({{ carry1 ? '1' : '0' }}) ({{
carry2 ? '1' : '0'
}}) = <strong>{{ carryOut ? '1' : '0' }}</strong></span>
</div>
</div>
</div>
<div class="info-box">
<strong>核心思想</strong>
全加器 = 两个半加器 + 一个 OR 第一级半加器算
A+B第二级半加器把结果加上 CinOR 门合并两路进位信号
</div>
</div>
</template>
<script setup>
import { ref, computed } from 'vue'
const inputA = ref(true)
const inputB = ref(true)
const carryIn = ref(false)
const xor1 = computed(() => inputA.value !== inputB.value)
const carry1 = computed(() => inputA.value && inputB.value)
const carry2 = computed(() => xor1.value && carryIn.value)
const sumOut = computed(() => xor1.value !== carryIn.value)
const carryOut = computed(() => carry1.value || carry2.value)
</script>
<style scoped>
.full-adder-demo {
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
background: var(--vp-c-bg-soft);
padding: 1rem 1.2rem;
margin: 1rem 0;
}
.demo-header {
display: flex;
flex-direction: column;
gap: 0.15rem;
margin-bottom: 0.75rem;
}
.title {
font-size: 0.9rem;
font-weight: bold;
color: var(--vp-c-text-1);
}
.subtitle {
font-size: 0.75rem;
color: var(--vp-c-text-3);
}
.terms-box {
display: flex;
gap: 0.5rem;
margin-bottom: 0.75rem;
padding: 0.5rem;
background: var(--vp-c-bg-alt);
border-radius: 6px;
}
.term-item {
flex: 1;
display: flex;
flex-direction: column;
gap: 0.15rem;
}
.term-name {
font-size: 0.78rem;
font-weight: 600;
color: var(--vp-c-brand-1);
}
.term-desc {
font-size: 0.68rem;
color: var(--vp-c-text-3);
line-height: 1.3;
}
.circuit-container {
display: flex;
align-items: center;
justify-content: center;
gap: 0;
padding: 1rem;
overflow-x: auto;
}
.inputs,
.outputs {
display: flex;
flex-direction: column;
gap: 2rem;
min-width: 6rem;
z-index: 2;
}
.outputs {
min-width: 8rem;
}
.input-line,
.output-line {
display: flex;
align-items: center;
gap: 0.5rem;
}
.label {
font-size: 0.8rem;
color: var(--vp-c-text-1);
}
.toggle-btn {
width: 2.2rem;
height: 2.2rem;
border-radius: 4px;
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
font-weight: bold;
font-family: monospace;
font-size: 1rem;
cursor: pointer;
transition: all 0.2s;
}
.toggle-btn.on {
background: var(--vp-c-brand-soft);
color: var(--vp-c-brand-1);
border-color: var(--vp-c-brand-1);
}
.toggle-btn.cin-btn.on {
background: #fef3c7;
color: #d97706;
border-color: #d97706;
}
.out-val {
display: inline-flex;
align-items: center;
justify-content: center;
width: 2.2rem;
height: 2.2rem;
border-radius: 4px;
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
font-weight: bold;
font-family: monospace;
font-size: 1rem;
transition: all 0.2s;
}
.output-line.active .s-val {
background: #dcfce7;
color: #16a34a;
border-color: #16a34a;
}
.output-line.active .c-val {
background: #fef3c7;
color: #d97706;
border-color: #d97706;
}
.wires {
width: 100px;
height: 180px;
position: relative;
}
.outputs-wires {
width: 40px;
}
.wire-svg {
width: 100%;
height: 100%;
}
.gates {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 0.6rem;
z-index: 2;
}
.gate-box {
width: 6rem;
height: 3.5rem;
background: var(--vp-c-bg-alt);
border: 2px solid var(--vp-c-divider);
border-radius: 4px;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
transition: all 0.2s;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.gate-box.active {
border-color: var(--vp-c-brand-1);
box-shadow: 0 0 8px var(--vp-c-brand-soft);
}
.gate-header {
display: flex;
align-items: baseline;
gap: 0.25rem;
}
.gate-name {
font-weight: bold;
font-size: 0.85rem;
color: var(--vp-c-text-1);
}
.gate-cn {
font-size: 0.65rem;
color: var(--vp-c-text-3);
}
.gate-formula {
font-size: 0.7rem;
color: var(--vp-c-brand-1);
font-family: 'JetBrains Mono', monospace;
}
.gate-desc {
font-size: 0.6rem;
color: var(--vp-c-text-3);
margin-top: 0.1rem;
}
.calculation-box {
margin-top: 1rem;
padding: 0.6rem 0.8rem;
background: var(--vp-c-bg);
border-radius: 6px;
}
.calc-title {
font-size: 0.75rem;
font-weight: 600;
color: var(--vp-c-text-2);
margin-bottom: 0.4rem;
}
.calc-content {
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.calc-row {
display: flex;
align-items: baseline;
gap: 0.3rem;
font-size: 0.78rem;
}
.calc-label {
color: var(--vp-c-text-3);
min-width: 4rem;
}
.calc-formula {
font-family: 'JetBrains Mono', monospace;
color: var(--vp-c-text-1);
}
.calc-formula strong {
color: var(--vp-c-brand-1);
}
.calc-reason {
color: var(--vp-c-text-3);
font-size: 0.72rem;
}
.info-box {
display: flex;
gap: 0.25rem;
margin-top: 0.75rem;
padding: 0.6rem 0.8rem;
background: var(--vp-c-bg-alt);
border-radius: 6px;
font-size: 0.8rem;
color: var(--vp-c-text-2);
line-height: 1.4;
}
.info-box strong {
white-space: nowrap;
flex-shrink: 0;
color: var(--vp-c-text-1);
}
@media (max-width: 600px) {
.circuit-container {
transform: scale(0.75);
transform-origin: left top;
padding-bottom: 0;
}
.terms-box {
flex-direction: column;
}
.gates {
grid-template-columns: 1fr;
}
}
</style>
@@ -1,12 +1,22 @@
<template>
<div class="half-adder-demo">
<div class="demo-label">
半加器 (Half Adder) 内部构造 尝试组合 A B观察 XOR异或门
AND与门的分工
<div class="demo-header">
<span class="title">半加器 (Half Adder)</span>
<span class="subtitle">最基础的二进制加法单元 只能处理两个 1 位输入</span>
</div>
<div class="terms-box">
<div class="term-item">
<span class="term-name">本位 (Sum)</span>
<span class="term-desc">当前位的计算结果不考虑外部进位</span>
</div>
<div class="term-item">
<span class="term-name">进位 (Carry)</span>
<span class="term-desc">当两位都是 1 向更高位"借位"</span>
</div>
</div>
<div class="circuit-container">
<!-- 输入端 -->
<div class="inputs">
<div class="input-line">
<button
@@ -30,41 +40,32 @@
</div>
</div>
<!-- 连线区域 -->
<div class="wires">
<!-- Path visualization can be complex, using simple SVG lines -->
<svg class="wire-svg" viewBox="0 0 100 150" preserveAspectRatio="none">
<!-- A to XOR -->
<path
d="M 0,30 C 50,30 50,40 100,40"
fill="none"
:stroke="inputA ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
<!-- B to XOR -->
<path
d="M 0,120 C 50,120 50,60 100,60"
fill="none"
:stroke="inputB ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
<!-- A to AND -->
<path
d="M 20,30 L 20,90 C 20,90 50,90 100,90"
fill="none"
:stroke="inputA ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
<!-- B to AND -->
<path
d="M 40,120 L 40,110 C 40,110 50,110 100,110"
fill="none"
:stroke="inputB ? 'var(--vp-c-brand-1)' : 'var(--vp-c-text-3)'"
stroke-width="2"
/>
<!-- Nodes -->
<circle
cx="20"
cy="30"
@@ -80,19 +81,25 @@
</svg>
</div>
<!-- 逻辑门 -->
<div class="gates">
<div class="gate-box xor-gate" :class="{ active: sumOut }">
<div class="gate-name">XOR </div>
<div class="gate-desc">计算"本位" (相加结果)</div>
<div class="gate-header">
<span class="gate-name">XOR</span>
<span class="gate-cn">异或门</span>
</div>
<div class="gate-formula">A B</div>
<div class="gate-desc">不同为 1 本位</div>
</div>
<div class="gate-box and-gate" :class="{ active: carryOut }">
<div class="gate-name">AND </div>
<div class="gate-desc">计算"进位" (满2进1)</div>
<div class="gate-header">
<span class="gate-name">AND</span>
<span class="gate-cn">与门</span>
</div>
<div class="gate-formula">A B</div>
<div class="gate-desc"> 1 1 进位</div>
</div>
</div>
<!-- 线 -->
<div class="wires outputs-wires">
<svg class="wire-svg" viewBox="0 0 50 150" preserveAspectRatio="none">
<line
@@ -116,33 +123,44 @@
</svg>
</div>
<!-- 输出端 -->
<div class="outputs">
<div class="output-line" :class="{ active: sumOut }">
<span class="label">本位 (Sum)</span>
<span class="out-val s-val">{{ sumOut ? '1' : '0' }}</span>
</div>
<div class="output-line" :class="{ active: carryOut }">
<span class="label">向前进位 (Carry)</span>
<span class="label">进位 (Carry)</span>
<span class="out-val c-val">{{ carryOut ? '1' : '0' }}</span>
</div>
</div>
</div>
<div class="logic-explain">
<p>
你的输入是 {{ inputA ? '1' : '0' }} {{ inputB ? '1' : '0' }}<br />
<strong>XOR </strong>判断它们不仅要"相加"还看是否"不同"{{
inputA !== inputB ? '不同,出1' : '相同,出0'
}}
> 核心本位 <strong>{{ sumOut ? '1' : '0' }}</strong
><br />
<strong>AND </strong>暗中观察是否"全为真"{{
inputA && inputB ? '全为 1,产生进位!' : '没有全为 1,不进位'
}}
> 进位信号 <strong>{{ carryOut ? '1' : '0' }}</strong
>
</p>
<div class="calculation-box">
<div class="calc-title">计算过程</div>
<div class="calc-content">
<div class="calc-row">
<span class="calc-label">输入</span>
<span class="calc-value">A = {{ inputA ? '1' : '0' }}B = {{ inputB ? '1' : '0' }}</span>
</div>
<div class="calc-row">
<span class="calc-label">本位</span>
<span class="calc-formula">A B = {{ inputA ? '1' : '0' }} {{ inputB ? '1' : '0' }} =
<strong>{{ sumOut ? '1' : '0' }}</strong></span>
<span class="calc-reason">{{ inputA !== inputB ? '不同' : '相同' }}</span>
</div>
<div class="calc-row">
<span class="calc-label">进位</span>
<span class="calc-formula">A B = {{ inputA ? '1' : '0' }} {{ inputB ? '1' : '0' }} =
<strong>{{ carryOut ? '1' : '0' }}</strong></span>
<span class="calc-reason">{{ inputA && inputB ? '全为 1' : '不全为 1' }}</span>
</div>
</div>
</div>
<div class="info-box">
<strong>核心思想</strong>
半加器用 XOR "本位和" AND
"进位"它是最小的加法单元但无法处理来自低位的进位
</div>
</div>
</template>
@@ -166,12 +184,50 @@ const carryOut = computed(() => inputA.value && inputB.value)
margin: 1rem 0;
}
.demo-label {
font-size: 0.78rem;
.demo-header {
display: flex;
flex-direction: column;
gap: 0.15rem;
margin-bottom: 0.75rem;
}
.title {
font-size: 0.9rem;
font-weight: bold;
color: var(--vp-c-text-2);
margin-bottom: 1rem;
letter-spacing: 0.2px;
color: var(--vp-c-text-1);
}
.subtitle {
font-size: 0.75rem;
color: var(--vp-c-text-3);
}
.terms-box {
display: flex;
gap: 0.5rem;
margin-bottom: 0.75rem;
padding: 0.5rem;
background: var(--vp-c-bg-alt);
border-radius: 6px;
}
.term-item {
flex: 1;
display: flex;
flex-direction: column;
gap: 0.15rem;
}
.term-name {
font-size: 0.78rem;
font-weight: 600;
color: var(--vp-c-brand-1);
}
.term-desc {
font-size: 0.68rem;
color: var(--vp-c-text-3);
line-height: 1.3;
}
.circuit-container {
@@ -240,12 +296,6 @@ const carryOut = computed(() => inputA.value && inputB.value)
font-size: 1rem;
transition: all 0.2s;
}
.s-val {
color: var(--vp-c-text-3);
}
.c-val {
color: var(--vp-c-text-3);
}
.output-line.active .s-val {
background: #dcfce7;
@@ -300,27 +350,97 @@ const carryOut = computed(() => inputA.value && inputB.value)
box-shadow: 0 0 8px var(--vp-c-brand-soft);
}
.gate-header {
display: flex;
align-items: baseline;
gap: 0.25rem;
}
.gate-name {
font-weight: bold;
font-size: 0.9rem;
color: var(--vp-c-text-1);
}
.gate-cn {
font-size: 0.7rem;
color: var(--vp-c-text-3);
}
.gate-formula {
font-size: 0.75rem;
color: var(--vp-c-brand-1);
font-family: 'JetBrains Mono', monospace;
}
.gate-desc {
font-size: 0.65rem;
color: var(--vp-c-text-3);
margin-top: 0.2rem;
margin-top: 0.15rem;
}
.logic-explain {
margin-top: 1.5rem;
padding: 0.8rem;
.calculation-box {
margin-top: 1rem;
padding: 0.6rem 0.8rem;
background: var(--vp-c-bg);
border-radius: 6px;
font-size: 0.85rem;
text-align: center;
}
.calc-title {
font-size: 0.75rem;
font-weight: 600;
color: var(--vp-c-text-2);
line-height: 1.5;
margin-bottom: 0.4rem;
}
.calc-content {
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.calc-row {
display: flex;
align-items: baseline;
gap: 0.3rem;
font-size: 0.78rem;
}
.calc-label {
color: var(--vp-c-text-3);
min-width: 3.5rem;
}
.calc-formula {
font-family: 'JetBrains Mono', monospace;
color: var(--vp-c-text-1);
}
.calc-formula strong {
color: var(--vp-c-brand-1);
}
.calc-reason {
color: var(--vp-c-text-3);
font-size: 0.72rem;
}
.info-box {
display: flex;
gap: 0.25rem;
margin-top: 0.75rem;
padding: 0.6rem 0.8rem;
background: var(--vp-c-bg-alt);
border-radius: 6px;
font-size: 0.8rem;
color: var(--vp-c-text-2);
line-height: 1.4;
}
.info-box strong {
white-space: nowrap;
flex-shrink: 0;
color: var(--vp-c-text-1);
}
@media (max-width: 600px) {
@@ -329,5 +449,8 @@ const carryOut = computed(() => inputA.value && inputB.value)
transform-origin: left top;
padding-bottom: 0;
}
.terms-box {
flex-direction: column;
}
}
</style>
@@ -1,36 +1,54 @@
<template>
<div class="logic-gate-demo">
<div class="demo-label">四种基本逻辑门 真值表一览</div>
<div class="demo-header">
<span class="title">四种基本逻辑门</span>
<span class="subtitle">所有数字计算的基础积木</span>
</div>
<div class="gates-grid">
<div v-for="gate in gates" :key="gate.name" class="gate-card">
<div class="gate-name">{{ gate.name }}</div>
<div class="gate-header">
<span class="gate-name-en">{{ gate.name }}</span>
<span class="gate-name-cn">{{ gate.nameCn }}</span>
</div>
<div class="gate-formula">
<span class="formula-label">运算</span>
<code class="formula-code">{{ gate.formula }}</code>
</div>
<div class="gate-rule">{{ gate.rule }}</div>
<table class="mini-truth">
<thead>
<tr>
<th>A</th>
<th v-if="gate.name !== 'NOT'">B</th>
<th>结果</th>
</tr>
</thead>
<tbody>
<tr v-for="(row, i) in gate.rows" :key="i">
<td>{{ row[0] }}</td>
<td v-if="gate.name !== 'NOT'">{{ row[1] }}</td>
<td
class="result-cell"
:class="{ one: row[row.length - 1] === 1 }"
>
{{ row[row.length - 1] }}
</td>
</tr>
</tbody>
</table>
<div class="gate-intuition">{{ gate.intuition }}</div>
<div class="truth-section">
<div class="truth-title">真值表</div>
<table class="mini-truth">
<thead>
<tr>
<th>A</th>
<th v-if="gate.name !== 'NOT'">B</th>
<th>输出</th>
</tr>
</thead>
<tbody>
<tr v-for="(row, i) in gate.rows" :key="i">
<td>{{ row[0] }}</td>
<td v-if="gate.name !== 'NOT'">{{ row[1] }}</td>
<td
class="result-cell"
:class="{ one: row[row.length - 1] === 1 }"
>
{{ row[row.length - 1] }}
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="demo-caption">所有数字计算都由这四种门的组合实现</div>
<div class="info-box">
<strong>核心思想</strong>
逻辑门把物理电路的"通/断"变成了数学上的"真/假"运算是硬件实现软件逻辑的桥梁
</div>
</div>
</template>
@@ -38,7 +56,10 @@
const gates = [
{
name: 'AND',
rule: '都为 1 才得 1',
nameCn: '与门',
formula: 'A ∧ B',
rule: '两个都为 1,才输出 1',
intuition: '串联开关:两道门都开才通',
rows: [
[0, 0, 0],
[0, 1, 0],
@@ -48,7 +69,10 @@ const gates = [
},
{
name: 'OR',
rule: '有一个 1 就得 1',
nameCn: '或门',
formula: 'A B',
rule: '有一个为 1,就输出 1',
intuition: '并联开关:任一道门开就通',
rows: [
[0, 0, 0],
[0, 1, 1],
@@ -58,7 +82,10 @@ const gates = [
},
{
name: 'NOT',
rule: '取反',
nameCn: '非门',
formula: '¬A',
rule: '输入取反:0 变 11 变 0',
intuition: '反向器:开变关,关变开',
rows: [
[0, 1],
[1, 0]
@@ -66,7 +93,10 @@ const gates = [
},
{
name: 'XOR',
rule: '不同才得 1',
nameCn: '异或门',
formula: 'A ⊕ B',
rule: '两个不同,才输出 1',
intuition: '差异检测器:相异为真',
rows: [
[0, 0, 0],
[0, 1, 1],
@@ -86,12 +116,22 @@ const gates = [
margin: 1rem 0;
}
.demo-label {
font-size: 0.78rem;
font-weight: bold;
color: var(--vp-c-text-2);
.demo-header {
display: flex;
flex-direction: column;
gap: 0.15rem;
margin-bottom: 0.75rem;
letter-spacing: 0.2px;
}
.title {
font-size: 0.9rem;
font-weight: bold;
color: var(--vp-c-text-1);
}
.subtitle {
font-size: 0.75rem;
color: var(--vp-c-text-3);
}
.gates-grid {
@@ -108,23 +148,80 @@ const gates = [
text-align: center;
}
.gate-name {
.gate-header {
display: flex;
align-items: baseline;
justify-content: center;
gap: 0.3rem;
margin-bottom: 0.3rem;
}
.gate-name-en {
font-weight: bold;
font-size: 0.9rem;
font-size: 1rem;
color: var(--vp-c-brand-1);
margin-bottom: 0.15rem;
}
.gate-name-cn {
font-size: 0.75rem;
color: var(--vp-c-text-2);
font-weight: 500;
}
.gate-formula {
display: flex;
align-items: center;
justify-content: center;
gap: 0.2rem;
margin-bottom: 0.25rem;
}
.formula-label {
font-size: 0.65rem;
color: var(--vp-c-text-3);
}
.formula-code {
font-size: 0.8rem;
padding: 0.1rem 0.3rem;
background: var(--vp-c-bg-alt);
border-radius: 3px;
color: var(--vp-c-brand-1);
font-family: 'JetBrains Mono', monospace;
}
.gate-rule {
font-size: 0.72rem;
color: var(--vp-c-text-2);
margin-bottom: 0.2rem;
font-weight: 500;
}
.gate-intuition {
font-size: 0.68rem;
color: var(--vp-c-text-3);
margin-bottom: 0.5rem;
padding: 0.2rem 0.4rem;
background: var(--vp-c-bg-alt);
border-radius: 4px;
}
.truth-section {
margin-top: 0.3rem;
}
.truth-title {
font-size: 0.6rem;
color: var(--vp-c-text-3);
margin-bottom: 0.2rem;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.mini-truth {
width: 100%;
border-collapse: collapse;
font-size: 0.8rem;
font-size: 0.78rem;
font-variant-numeric: tabular-nums;
}
@@ -137,7 +234,7 @@ const gates = [
.mini-truth th {
background: var(--vp-c-bg-alt);
font-size: 0.72rem;
font-size: 0.7rem;
font-weight: 600;
color: var(--vp-c-text-2);
}
@@ -145,13 +242,25 @@ const gates = [
.result-cell.one {
color: var(--vp-c-brand-1);
font-weight: bold;
background: var(--vp-c-brand-soft);
}
.demo-caption {
font-size: 0.72rem;
color: var(--vp-c-text-3);
margin-top: 0.6rem;
text-align: center;
.info-box {
display: flex;
gap: 0.25rem;
margin-top: 0.75rem;
padding: 0.6rem 0.8rem;
background: var(--vp-c-bg-alt);
border-radius: 6px;
font-size: 0.8rem;
color: var(--vp-c-text-2);
line-height: 1.4;
}
.info-box strong {
white-space: nowrap;
flex-shrink: 0;
color: var(--vp-c-text-1);
}
@media (max-width: 600px) {