543 lines
14 KiB
Vue
543 lines
14 KiB
Vue
<template>
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<div class="chapter-view" v-if="chapter">
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<header class="chapter-header">
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<div class="chapter-icon">{{ chapter.icon }}</div>
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<div>
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<h1 class="chapter-title">{{ chapter.title }}</h1>
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<p class="chapter-subtitle">{{ chapter.subtitle }}</p>
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<p class="chapter-desc">{{ chapter.description }}</p>
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</div>
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</header>
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<section class="topics-section">
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<h2 class="section-label">📌 本章知识点</h2>
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<div class="topics-list">
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<span v-for="topic in chapter.topics" :key="topic" class="topic-pill">
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{{ topic }}
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</span>
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</div>
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</section>
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<!-- 子文件夹分组显示 -->
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<section v-for="folder in chapter.subfolders" :key="folder.name" class="folder-section">
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<h2 class="folder-title">📂 {{ folder.label }}</h2>
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<p class="folder-hint" v-if="getFolderDescription(folder.name)">{{ getFolderDescription(folder.name) }}</p>
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<!-- 动态演示入口 -->
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<div v-if="folder.demo" class="demo-entry">
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<router-link :to="folder.demo.path" class="demo-link">
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<span class="demo-link-icon">{{ folder.demo.label.split(' ')[0] }}</span>
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<span class="demo-link-text">{{ folder.demo.label }}</span>
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<span class="demo-link-desc">{{ folder.demo.description }}</span>
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<span class="demo-link-arrow">→</span>
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</router-link>
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</div>
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<div class="file-list">
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<div
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v-for="file in folder.files"
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:key="file.path"
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class="file-item"
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:class="{ active: currentFile?.path === file.path }"
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@click="selectFile(file)"
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>
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<div class="file-item-header">
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<span class="file-item-icon">📄</span>
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<span class="file-item-name">{{ file.name }}</span>
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<span class="file-item-label">{{ file.label }}</span>
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</div>
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<p class="file-item-desc">{{ file.description }}</p>
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</div>
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</div>
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</section>
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<!-- 根级文件（没有子文件夹的文件） -->
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<section v-if="chapter.files && chapter.files.length" class="folder-section">
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<h2 class="folder-title">📂 其他示例</h2>
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<div class="file-list">
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<div
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v-for="file in chapter.files"
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:key="file.path"
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class="file-item"
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:class="{ active: currentFile?.path === file.path }"
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@click="selectFile(file)"
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>
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<div class="file-item-header">
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<span class="file-item-icon">📄</span>
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<span class="file-item-name">{{ file.name }}</span>
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<span class="file-item-label">{{ file.label }}</span>
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</div>
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<p class="file-item-desc">{{ file.description }}</p>
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</div>
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</div>
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</section>
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<!-- 代码查看 Drawer -->
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<Teleport to="body">
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<Transition name="drawer">
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<div v-if="currentFile" class="drawer-overlay" @click.self="closeDrawer">
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<div class="drawer-panel">
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<div class="drawer-header">
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<span class="drawer-title">💻 代码查看</span>
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<div class="drawer-lang-tabs">
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<button
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class="lang-tab"
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:class="{ active: language === 'c' }"
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@click="switchLanguage('c')"
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>C</button>
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<button
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class="lang-tab"
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:class="{ active: language === 'python' }"
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@click="switchLanguage('python')"
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>Python</button>
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</div>
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<button class="drawer-close-btn" @click="closeDrawer">✕</button>
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</div>
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<div class="drawer-body">
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<CodeViewer
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:key="currentFilePath"
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:filePath="currentFilePath"
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:fileName="currentFileName"
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:fileLabel="currentFile.label"
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:description="currentFile.description"
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:language="language"
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/>
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</div>
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</div>
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</div>
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</Transition>
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</Teleport>
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</div>
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<div v-else class="not-found">
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<h2>章节未找到</h2>
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<p>请返回首页重新选择。</p>
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<router-link to="/" class="back-link">← 返回首页</router-link>
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</div>
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</template>
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<script setup>
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import { ref, computed, watch } from 'vue'
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import { useRoute } from 'vue-router'
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import { getChapterById } from '../data/chapters.js'
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import CodeViewer from '../components/CodeViewer.vue'
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const props = defineProps({
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id: String
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})
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const route = useRoute()
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const chapterId = computed(() => props.id || route.params.id)
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const currentFile = ref(null)
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const language = ref('c')
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// 根据语言生成文件路径
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const currentFilePath = computed(() => {
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if (!currentFile.value) return null
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if (language.value === 'python') {
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return currentFile.value.pyPath || currentFile.value.path.replace(/^c\//, 'py/').replace(/\.c$/, '.py')
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}
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return currentFile.value.path
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})
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const currentFileName = computed(() => {
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if (!currentFile.value) return ''
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if (language.value === 'python') {
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return currentFile.value.pyPath
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? currentFile.value.pyPath.split('/').pop()
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: currentFile.value.name.replace(/\.c$/, '.py')
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}
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return currentFile.value.name
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})
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function switchLanguage(lang) {
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language.value = lang
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}
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const chapter = computed(() => getChapterById(chapterId.value))
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// Reset current file when switching chapters
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watch(chapterId, () => {
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currentFile.value = null
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})
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function selectFile(file) {
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currentFile.value = file
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}
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function closeDrawer() {
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currentFile.value = null
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language.value = 'c'
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}
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function getFolderDescription(folderName) {
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const descriptions = {
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'complexity-demo': '通过交互式动画，直观体验不同时间复杂度算法的执行过程与操作次数差异。',
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'code-examples': '本章相关的 C 语言和 Python 代码示例。',
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mergesort: '归并排序是分治法的经典应用：将数组一分为二，分别排序后合并。时间复杂度 O(n log n)。',
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quicksort: '快速排序通过选择一个基准元素，将数组分为左右两部分，递归排序。平均时间复杂度 O(n log n)。',
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halfsearch: '二分查找在有序数组中通过每次将搜索范围缩小一半来查找目标值，时间复杂度 O(log n)。',
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bigcheng: '大整数乘法通过分治策略将 n 位数乘法分解为更小规模的计算，降低时间复杂度。',
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matrix: '矩阵乘法有多种实现方式：朴素算法 O(n³)，Strassen 分治算法可优化至 O(n^2.81)。',
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digui: '递归是分治法的基石，通过这些示例理解递归的基本结构与调用栈。',
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maopao: '冒泡排序通过相邻元素比较交换将最大元素"冒泡"到末尾，时间复杂度 O(n²)。',
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allpai: '全排列生成所有 n! 种排列方式，是回溯思想和分治策略的典型应用。',
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richeng: '循环赛日程表使用分治策略为 2^k 个选手安排比赛日程。',
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bag01: '0/1背包问题是动态规划的经典问题：给定容量和物品，求最大价值。',
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lcs: '最长公共子序列(LCS)问题是比较两个序列相似度的经典DP问题。',
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image: '图像压缩问题使用动态规划确定最优的像素段划分，平衡压缩比与存储空间。',
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homework: '课后练习中的算法实现示例。',
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huodong: '活动选择问题是贪心算法的经典案例：选择最多的不重叠活动。',
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huffman: 'Huffman编码是数据压缩经典算法，通过构造最优前缀码实现无损压缩。',
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bag: '贪心背包(部分背包)问题允许取物品的一部分，按单位价值贪心选择。',
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bestload: '最优装载问题：在载重限制下尽可能多地装载物品。',
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money: '找零问题：使用最少硬币凑出指定金额。',
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shortest: '最短路径问题：寻找图中两点之间的最短路径。',
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hui01bag: '0/1背包的回溯解法：通过深度优先搜索和剪枝寻找最优解。',
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loading: '装载问题的回溯解法：搜索最优的装载方案。',
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queue: 'N皇后问题的回溯解法：在 N×N 棋盘上放置 N 个皇后使其互不攻击。',
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xianbag01: '0/1背包的分支限界解法：使用队列或优先队列进行广度优先搜索。',
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tsp: '旅行商问题(TSP)：寻找最短的环游所有城市的路径。',
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graph: '图的两种基本遍历方式：广度优先(BFS)和深度优先(DFS)。'
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}
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return descriptions[folderName] || ''
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}
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</script>
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<style scoped>
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.chapter-view {
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max-width: 1000px;
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margin: 0 auto;
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padding: 0 24px;
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}
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.chapter-header {
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display: flex;
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gap: 16px;
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align-items: flex-start;
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padding: 32px 0 20px;
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border-bottom: 1px solid var(--border-color);
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margin-bottom: 24px;
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}
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.chapter-icon {
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font-size: 48px;
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flex-shrink: 0;
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}
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.chapter-title {
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font-size: 26px;
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font-weight: 800;
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color: var(--text-primary);
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margin-bottom: 4px;
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}
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.chapter-subtitle {
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font-size: 15px;
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color: var(--primary-color);
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font-weight: 500;
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margin-bottom: 6px;
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}
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.chapter-desc {
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font-size: 14px;
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color: var(--text-secondary);
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line-height: 1.6;
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}
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.section-label {
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font-size: 18px;
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font-weight: 700;
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color: var(--text-primary);
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margin-bottom: 12px;
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}
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.topics-section {
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margin-bottom: 28px;
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}
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.topics-list {
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display: flex;
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flex-wrap: wrap;
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gap: 8px;
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}
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.topic-pill {
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font-size: 13px;
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background: var(--active-bg);
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color: var(--primary-color);
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padding: 6px 16px;
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border-radius: 20px;
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font-weight: 500;
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border: 1px solid var(--border-color);
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}
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.folder-section {
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margin-bottom: 28px;
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}
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.folder-title {
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font-size: 17px;
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font-weight: 700;
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color: var(--text-primary);
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margin-bottom: 6px;
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padding-bottom: 8px;
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border-bottom: 2px solid var(--border-color);
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}
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.folder-hint {
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font-size: 13px;
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color: var(--text-tertiary);
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margin-bottom: 12px;
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line-height: 1.5;
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}
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/* 动态演示入口 */
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.demo-entry {
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margin-bottom: 12px;
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}
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.demo-link {
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display: flex;
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align-items: center;
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gap: 10px;
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padding: 12px 16px;
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background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.08));
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border: 1px solid rgba(59, 130, 246, 0.25);
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border-radius: 10px;
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text-decoration: none;
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transition: all 0.2s ease;
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}
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.demo-link:hover {
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background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
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border-color: var(--primary-color);
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transform: translateY(-1px);
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box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
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text-decoration: none;
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}
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.demo-link-icon {
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font-size: 24px;
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flex-shrink: 0;
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}
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.demo-link-text {
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font-size: 15px;
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font-weight: 700;
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color: var(--primary-color);
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white-space: nowrap;
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}
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.demo-link-desc {
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font-size: 13px;
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color: var(--text-secondary);
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flex: 1;
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}
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.demo-link-arrow {
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font-size: 18px;
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color: var(--primary-color);
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font-weight: 700;
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flex-shrink: 0;
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}
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.file-list {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
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gap: 10px;
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}
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.file-item {
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background: var(--card-bg);
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border: 1px solid var(--border-color);
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border-radius: 10px;
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padding: 14px;
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cursor: pointer;
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transition: all 0.2s ease;
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}
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.file-item:hover {
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border-color: var(--primary-color);
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box-shadow: 0 2px 8px rgba(0,0,0,0.06);
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}
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.file-item.active {
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border-color: var(--primary-color);
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background: var(--active-bg);
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box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
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}
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.file-item-header {
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display: flex;
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align-items: center;
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gap: 6px;
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margin-bottom: 4px;
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}
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.file-item-icon {
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font-size: 14px;
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}
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.file-item-name {
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font-family: 'Fira Code', 'Consolas', monospace;
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font-size: 13px;
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font-weight: 600;
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color: var(--primary-color);
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}
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.file-item-label {
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font-size: 11px;
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color: var(--text-tertiary);
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background: var(--tag-bg);
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padding: 1px 6px;
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border-radius: 4px;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.file-item-desc {
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font-size: 12px;
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color: var(--text-tertiary);
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line-height: 1.4;
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margin-left: 20px;
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}
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/* ========== Drawer ========== */
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.drawer-overlay {
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position: fixed;
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inset: 0;
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z-index: 1000;
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background: rgba(0, 0, 0, 0.45);
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display: flex;
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justify-content: flex-end;
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}
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.drawer-panel {
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width: min(720px, 90vw);
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height: 100%;
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background: var(--bg);
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display: flex;
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flex-direction: column;
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box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
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}
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.drawer-header {
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display: flex;
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align-items: center;
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gap: 12px;
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padding: 16px 20px;
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border-bottom: 1px solid var(--border-color);
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flex-shrink: 0;
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}
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.drawer-title {
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font-size: 17px;
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font-weight: 700;
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color: var(--text-primary);
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margin-right: auto;
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}
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.drawer-lang-tabs {
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display: flex;
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gap: 4px;
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background: var(--hover-bg);
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padding: 3px;
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border-radius: 8px;
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}
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.lang-tab {
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background: none;
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border: none;
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padding: 6px 16px;
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border-radius: 6px;
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font-size: 13px;
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font-weight: 600;
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cursor: pointer;
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color: var(--text-secondary);
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transition: all 0.15s;
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font-family: var(--mono);
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}
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.lang-tab:hover {
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color: var(--text-primary);
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}
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.lang-tab.active {
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background: var(--bg);
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color: var(--primary-color);
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box-shadow: 0 1px 3px rgba(0,0,0,0.1);
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}
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.drawer-close-btn {
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background: none;
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border: none;
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font-size: 20px;
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cursor: pointer;
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color: var(--text-secondary);
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padding: 4px 10px;
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border-radius: 6px;
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transition: all 0.15s;
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}
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.drawer-close-btn:hover {
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background: var(--hover-bg);
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color: var(--text-primary);
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}
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.drawer-body {
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flex: 1;
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overflow-y: auto;
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padding: 0;
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}
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.drawer-body .code-viewer {
|
||
border-radius: 0;
|
||
border: none;
|
||
min-height: 100%;
|
||
}
|
||
|
||
/* 抽屉过渡动画 */
|
||
.drawer-enter-active,
|
||
.drawer-leave-active {
|
||
transition: opacity 0.25s ease;
|
||
}
|
||
|
||
.drawer-enter-active .drawer-panel,
|
||
.drawer-leave-active .drawer-panel {
|
||
transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
|
||
}
|
||
|
||
.drawer-enter-from,
|
||
.drawer-leave-to {
|
||
opacity: 0;
|
||
}
|
||
|
||
.drawer-enter-from .drawer-panel,
|
||
.drawer-leave-to .drawer-panel {
|
||
transform: translateX(100%);
|
||
}
|
||
|
||
.not-found {
|
||
text-align: center;
|
||
padding: 80px 20px;
|
||
}
|
||
|
||
.not-found h2 {
|
||
font-size: 24px;
|
||
margin-bottom: 8px;
|
||
color: var(--text-primary);
|
||
}
|
||
|
||
.back-link {
|
||
display: inline-block;
|
||
margin-top: 16px;
|
||
color: var(--primary-color);
|
||
text-decoration: none;
|
||
font-weight: 600;
|
||
}
|
||
|
||
.back-link:hover {
|
||
text-decoration: underline;
|
||
}
|
||
</style>
|