sanbuphy
73f4788d7e
- Update READMEs and docs across multiple languages - Enhance interactive demos for Agent, LLM, VLM, Audio, Image Gen, Terminal, and Web Basics - Add new appendix sections for Database and IDE intros - Update VitePress config, theme, and utility scripts - Clean up unused assets and components
449 lines
9.4 KiB
Vue
449 lines
9.4 KiB
Vue
<!--
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EscapeSequences.vue
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转义序列演示组件
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用途：
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解释终端如何通过“不可见字符”来控制颜色、光标位置和清屏操作。
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揭示 ANSI 转义序列（如 `\033[31m`）的工作原理。
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交互功能：
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- 颜色/样式按钮：点击后发送对应的转义序列。
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- 序列显示：实时显示当前发送的原始序列代码（如 `^[[31m`）。
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- 终端反馈：下方模拟终端根据接收到的序列改变文字颜色或清除内容。
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-->
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<template>
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<div class="escape-demo">
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<div class="controls">
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<div class="panel-section">
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<div class="section-title">
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<span class="en">16-COLOR PALETTE</span>
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<span class="divider">|</span>
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<span class="zh">16 色调色板</span>
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</div>
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<div class="palette-grid">
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<div
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v-for="(color, index) in palette"
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:key="index"
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class="swatch"
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:style="{ backgroundColor: color }"
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@click="applyColor(index)"
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:title="`^[[38;5;${index}m`"
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></div>
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</div>
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<div class="hint-text" v-if="activeColor">
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Sequence:
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<span class="code">^[[38;5;{{ palette.indexOf(activeColor) }}m</span>
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</div>
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</div>
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<div class="panel-section">
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<div class="section-title">
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<span class="en">STYLE SEQUENCES</span>
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<span class="divider">|</span>
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<span class="zh">样式序列</span>
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</div>
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<div class="btn-group">
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<button @click="applyStyle('1')" :class="{ active: isBold }">
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<span class="btn-code">^[[1m</span>
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<span class="btn-label">Bold / 加粗</span>
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</button>
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<button @click="applyStyle('4')" :class="{ active: isUnderline }">
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<span class="btn-code">^[[4m</span>
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<span class="btn-label">Underline / 下划线</span>
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</button>
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</div>
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<div class="btn-group" style="margin-top: 8px">
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<button @click="resetStyle" class="reset-btn">
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<span class="btn-code">^[[0m</span>
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<span class="btn-label">Reset / 重置所有样式</span>
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</button>
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</div>
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</div>
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<div class="panel-section">
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<div class="section-title">
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<span class="en">CURSOR SEQUENCES</span>
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<span class="divider">|</span>
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<span class="zh">光标控制序列</span>
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</div>
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<div class="btn-stack">
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<button @click="clearScreen">
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<span class="code">^[[2J</span>
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<span class="desc">Clear Screen / 清屏</span>
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</button>
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<button @click="moveHome">
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<span class="code">^[[H</span>
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<span class="desc">Move Home / 回到原点 (0,0)</span>
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</button>
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<button @click="moveTo">
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<span class="code">^[[5;10H</span>
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<span class="desc">Move to 5,10 / 移动到 (5,10)</span>
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</button>
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</div>
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</div>
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</div>
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<div class="preview">
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<div class="terminal-window">
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<div class="window-header">
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<div class="dots"><span></span><span></span><span></span></div>
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<div class="window-title">Terminal Preview</div>
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</div>
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<div class="window-content">
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<div class="sequence-display-area">
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<span class="label">Last Sequence:</span>
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<span v-if="lastSequence" class="sequence-code">{{
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lastSequence
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}}</span>
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<span v-else class="placeholder">Waiting for input...</span>
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</div>
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<div
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class="main-display"
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:style="currentStyle"
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v-if="isContentVisible"
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>
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Hello World
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</div>
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<div class="cursor-line">
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<span class="prompt">$</span>
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<span
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class="cursor-placeholder"
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v-if="cursorMode === 'absolute'"
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></span>
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<span class="cursor-block" :style="cursorStyle"></span>
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</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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</template>
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<script setup>
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import { ref, computed } from 'vue'
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const palette = [
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'#000000',
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'#cd3131',
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'#0dbc79',
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'#e5e510',
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'#2472c8',
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'#bc3fbc',
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'#11a8cd',
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'#e5e5e5',
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'#666666',
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'#f14c4c',
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'#23d18b',
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'#f5f543',
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'#3b8eea',
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'#d670d6',
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'#29b8db',
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'#ffffff'
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]
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const activeColor = ref(null)
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const isBold = ref(false)
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const isUnderline = ref(false)
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const lastSequence = ref('')
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const isContentVisible = ref(true)
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const cursorMode = ref('static') // 'static' | 'absolute'
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const cursorPosition = ref({ top: 0, left: 0 })
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const currentStyle = computed(() => ({
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color: activeColor.value || '#ccc',
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fontWeight: isBold.value ? 'bold' : 'normal',
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textDecoration: isUnderline.value ? 'underline' : 'none'
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}))
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const cursorStyle = computed(() => {
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if (cursorMode.value === 'static') {
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return {}
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}
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return {
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position: 'absolute',
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top: `${cursorPosition.value.top}px`,
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left: `${cursorPosition.value.left}px`
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}
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})
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const applyColor = (index) => {
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activeColor.value = palette[index]
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lastSequence.value = `^[[38;5;${index}m`
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}
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const applyStyle = (code) => {
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if (code === '1') isBold.value = !isBold.value
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if (code === '4') isUnderline.value = !isUnderline.value
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lastSequence.value = `^[[${code}m`
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}
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const resetStyle = () => {
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activeColor.value = null
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isBold.value = false
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isUnderline.value = false
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lastSequence.value = '^[[0m'
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isContentVisible.value = true
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cursorMode.value = 'static'
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}
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const clearScreen = () => {
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lastSequence.value = '^[[2J'
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isContentVisible.value = false
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}
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const moveHome = () => {
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lastSequence.value = '^[[H'
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cursorMode.value = 'absolute'
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cursorPosition.value = { top: 20, left: 20 }
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}
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const moveTo = () => {
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lastSequence.value = '^[[5;10H'
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cursorMode.value = 'absolute'
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// Approximate position for 5,10 (5th line, 10th char)
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// Assuming line height ~24px, char width ~9px
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// Base padding 20px
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cursorPosition.value = { top: 20 + 4 * 24, left: 20 + 10 * 9 }
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}
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</script>
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<style scoped>
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.escape-demo {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 30px;
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background: #09090b;
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padding: 30px;
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border-radius: 12px;
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font-family: 'JetBrains Mono', 'Menlo', monospace;
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border: 1px solid #27272a;
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}
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.panel-section {
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margin-bottom: 24px;
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}
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.section-title {
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color: #a1a1aa;
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font-size: 12px;
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margin-bottom: 12px;
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font-weight: 600;
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letter-spacing: 0.5px;
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.section-title .divider {
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color: #3f3f46;
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font-weight: normal;
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}
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.palette-grid {
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display: grid;
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grid-template-columns: repeat(8, 1fr);
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gap: 8px;
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margin-bottom: 8px;
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}
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.swatch {
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width: 24px;
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height: 24px;
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border-radius: 4px;
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cursor: pointer;
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border: 1px solid #27272a;
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transition: transform 0.1s;
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}
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.swatch:hover {
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transform: scale(1.1);
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border-color: #fff;
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z-index: 1;
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}
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.hint-text {
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font-size: 11px;
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color: #71717a;
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margin-top: 8px;
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}
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button {
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background: #18181b;
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border: 1px solid #27272a;
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color: #e4e4e7;
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padding: 8px 12px;
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border-radius: 6px;
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cursor: pointer;
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font-family: inherit;
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font-size: 13px;
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text-align: left;
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transition: all 0.2s;
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display: flex;
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align-items: center;
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gap: 8px;
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}
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button:hover {
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background: #27272a;
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border-color: #52525b;
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}
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button.active {
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background: #27272a;
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border-color: #22c55e;
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color: #22c55e;
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}
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.btn-code {
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color: #facc15;
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font-weight: bold;
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min-width: 50px;
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}
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.btn-label {
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color: #a1a1aa;
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}
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.btn-group {
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display: flex;
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gap: 10px;
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}
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.reset-btn {
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width: 100%;
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}
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.btn-stack {
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display: flex;
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flex-direction: column;
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gap: 8px;
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}
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.btn-stack button {
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display: flex;
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justify-content: space-between;
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}
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.code {
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color: #facc15;
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font-weight: bold;
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}
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.desc {
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color: #a1a1aa;
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font-size: 12px;
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}
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.terminal-window {
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background: #000;
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border: 1px solid #27272a;
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border-radius: 8px;
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height: 320px;
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display: flex;
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flex-direction: column;
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overflow: hidden;
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box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
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}
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.window-header {
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padding: 10px 15px;
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border-bottom: 1px solid #27272a;
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background: #18181b;
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display: flex;
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align-items: center;
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justify-content: space-between;
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}
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.dots span {
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display: inline-block;
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width: 10px;
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height: 10px;
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border-radius: 50%;
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background: #3f3f46;
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margin-right: 6px;
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}
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.window-title {
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color: #71717a;
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font-size: 11px;
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}
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.window-content {
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padding: 20px;
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flex: 1;
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display: flex;
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flex-direction: column;
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color: #e4e4e7;
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}
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.sequence-display-area {
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margin-bottom: 40px;
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font-size: 13px;
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display: flex;
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gap: 8px;
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align-items: center;
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}
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.sequence-display-area .label {
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color: #71717a;
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}
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.sequence-code {
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color: #22d3ee;
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font-family: monospace;
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background: #18181b;
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padding: 2px 6px;
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border-radius: 4px;
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border: 1px solid #27272a;
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}
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.placeholder {
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color: #3f3f46;
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font-style: italic;
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}
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.main-display {
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font-size: 32px;
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text-align: center;
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flex: 1;
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display: flex;
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align-items: center;
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justify-content: center;
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transition: all 0.2s;
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}
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.cursor-line {
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display: flex;
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align-items: center;
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gap: 8px;
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margin-top: auto;
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border: 1px solid #27272a;
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padding: 10px;
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background: #09090b;
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border-radius: 4px;
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}
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.prompt {
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color: #22c55e;
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}
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.cursor-block {
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width: 8px;
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height: 16px;
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background: #e4e4e7;
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animation: blink 1s step-end infinite;
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}
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@keyframes blink {
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50% {
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opacity: 0;
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}
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}
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@media (max-width: 768px) {
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.escape-demo {
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grid-template-columns: 1fr;
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}
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}
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</style>
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