Algorithm-Visualizer/string.html at main · aoright/Algorithm-Visualizer · GitHub

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<!DOCTYPE html>
<htmllang="zh-CN">
<head>
<metacharset="UTF-8">
<metaname="viewport" content="width=device-width, initial-scale=1.0">
<title>字符串算法可视化 - 算法可视化工具</title>

<!-- Tailwind CSS -->
<scriptsrc="https://cdn.tailwindcss.com"></script>

<!-- Google Fonts -->
<linkrel="preconnect" href="https://fonts.googleapis.com">
<linkrel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<linkhref="https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">

<!-- Core Libraries -->
<scriptsrc="https://cdnjs.cloudflare.com/ajax/libs/animejs/3.2.1/anime.min.js"></script>
<scriptsrc="https://cdn.jsdelivr.net/npm/echarts@5.4.3/dist/echarts.min.js"></script>

<style>
:root {
--bg-primary:#1a1a2e;
--bg-secondary:#16213e;
--accent-cyan:#00d4ff;
--accent-orange:#ff6b35;
--accent-green:#4ecdc4;
--text-primary:#e0e0e0;
--text-secondary:#b0b0b0;
 }

* {
margin:0;
padding:0;
box-sizing: border-box;
 }

body {
font-family:'Noto Sans SC', sans-serif;
background:var(--bg-primary);
color:var(--text-primary);
overflow-x: hidden;
 }

 .gradient-text {
background:linear-gradient(135deg,var(--accent-cyan),var(--accent-green));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
 }

 .code-font {
font-family:'JetBrains Mono', monospace;
 }

 .nav-link {
position: relative;
transition: color 0.3s ease;
 }

 .nav-link::after {
content:'';
position: absolute;
bottom:-4px;
left:0;
width:0;
height:2px;
background:var(--accent-cyan);
transition: width 0.3s ease;
 }

 .nav-link:hover::after {
width:100%;
 }

 .string-char {
display: inline-block;
width:40px;
height:40px;
margin:2px;
background:var(--bg-secondary);
border:2px solid #4b5563;
border-radius:8px;
display: flex;
align-items: center;
justify-content: center;
font-weight: bold;
font-size:16px;
transition: all 0.3s ease;
position: relative;
 }

 .string-char.matching {
background:var(--accent-orange) !important;
color: white;
transform:scale(1.1);
box-shadow:0020pxrgba(255,107,53,0.5);
 }

 .string-char.matched {
background:var(--accent-green) !important;
color: white;
transform:scale(1.05);
 }

 .string-char.mismatch {
background:#ef4444!important;
color: white;
transform:scale(0.9);
 }

 .string-char.skipped {
background:#6b7280!important;
opacity:0.5;
 }

 .string-index {
position: absolute;
top:-20px;
left:50%;
transform:translateX(-50%);
font-size:10px;
color:#9ca3af;
 }

 .pattern-char {
display: inline-block;
width:35px;
height:35px;
margin:1px;
background:var(--bg-secondary);
border:2px solid var(--accent-cyan);
border-radius:6px;
display: flex;
align-items: center;
justify-content: center;
font-weight: bold;
font-size:14px;
transition: all 0.3s ease;
 }

 .pattern-char.current {
background:var(--accent-orange) !important;
color: white;
transform:scale(1.1);
 }

 .lps-array {
display: flex;
gap:4px;
margin:10px0;
 }

 .lps-cell {
width:35px;
height:35px;
background:var(--bg-secondary);
border:1px solid var(--accent-cyan);
border-radius:6px;
display: flex;
align-items: center;
justify-content: center;
font-weight: bold;
font-size:12px;
transition: all 0.3s ease;
 }

 .lps-cell.computed {
background:var(--accent-green) !important;
color: white;
 }

 .control-button {
transition: all 0.3s ease;
 }

 .control-button:hover {
transform:translateY(-2px);
box-shadow:08px25pxrgba(0,212,255,0.3);
 }

 .slider {
-webkit-appearance: none;
appearance: none;
height:6px;
border-radius:3px;
background:#374151;
outline: none;
 }

 .slider::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width:20px;
height:20px;
border-radius:50%;
background:var(--accent-cyan);
cursor: pointer;
box-shadow:0010pxrgba(0,212,255,0.5);
 }

 .performance-card {
background:rgba(22,33,62,0.8);
backdrop-filter:blur(10px);
border:1px solid rgba(0,212,255,0.2);
 }

 .algorithm-select {
background:var(--bg-secondary);
border:1px solid rgba(0,212,255,0.3);
color:var(--text-primary);
 }

 .algorithm-select:focus {
border-color:var(--accent-cyan);
box-shadow:0002pxrgba(0,212,255,0.2);
 }

 .step-indicator {
display: flex;
align-items: center;
margin-bottom:8px;
padding:8px12px;
background:rgba(22,33,62,0.5);
border-radius:8px;
border-left:4px solid var(--accent-cyan);
 }

 .comparison-arrow {
position: absolute;
top:50%;
left:50%;
transform:translate(-50%,-50%);
color:var(--accent-orange);
font-size:20px;
font-weight: bold;
pointer-events: none;
 }

 .shift-indicator {
position: absolute;
bottom:-25px;
left:50%;
transform:translateX(-50%);
color:var(--accent-green);
font-size:12px;
font-weight: bold;
 }
</style>
</head>
<body>
<!-- Navigation -->
<navclass="fixed top-0 left-0 right-0 z-50 bg-gray-900/90 backdrop-blur-md border-b border-gray-800">
<divclass="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<divclass="flex items-center justify-between h-16">
<divclass="flex items-center space-x-2">
<divclass="w-8 h-8 bg-gradient-to-r from-cyan-400 to-green-400 rounded-lg flex items-center justify-center">
<spanclass="text-white font-bold text-sm">AV</span>
</div>
<spanclass="text-xl font-bold gradient-text">算法可视化</span>
</div>

<divclass="hidden md:flex items-center space-x-8">
<ahref="index.html" class="nav-link text-gray-300 hover:text-white">首页</a>
<ahref="sorting.html" class="nav-link text-gray-300 hover:text-white">排序算法</a>
<ahref="search.html" class="nav-link text-gray-300 hover:text-white">搜索算法</a>
<ahref="graph.html" class="nav-link text-gray-300 hover:text-white">图论算法</a>
<ahref="dp.html" class="nav-link text-gray-300 hover:text-white">动态规划</a>
<ahref="string.html" class="nav-link text-cyan-400 font-semibold">字符串算法</a>
<ahref="greedy.html" class="nav-link text-gray-300 hover:text-white">贪心算法</a>
</div>

<buttonclass="md:hidden text-gray-300 hover:text-white">
<svgclass="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<pathstroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16M4 12h16M4 18h16"></path>
</svg>
</button>
</div>
</div>
</nav>

<!-- Main Content -->
<divclass="pt-16 min-h-screen bg-gradient-to-br from-gray-900 via-gray-800 to-gray-900">
<divclass="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
<!-- Header -->
<divclass="text-center mb-8">
<h1class="text-4xl font-black gradient-text mb-4">字符串算法可视化</h1>
<pclass="text-xl text-gray-300 max-w-3xl mx-auto">
 深入理解KMP、Boyer-Moore、Rabin-Karp等字符串匹配算法
</p>
</div>

<!-- Control Panel -->
<divclass="bg-gray-800/50 backdrop-blur-sm rounded-2xl p-6 mb-8 border border-gray-700">
<divclass="grid md:grid-cols-5 gap-6">
<!-- Algorithm Selection -->
<div>
<labelclass="block text-sm font-medium text-gray-300 mb-2">选择算法</label>
<selectid="algorithmSelect" class="algorithm-select w-full px-4 py-2 rounded-lg focus:outline-none">
<optionvalue="kmp">KMP算法</option>
<optionvalue="boyer-moore">Boyer-Moore算法</option>
<optionvalue="rabin-karp">Rabin-Karp算法</option>
<optionvalue="naive">朴素匹配</option>
</select>
</div>

<!-- Text Input -->
<div>
<labelclass="block text-sm font-medium text-gray-300 mb-2">主文本</label>
<inputtype="text" id="mainText" class="algorithm-select w-full px-4 py-2 rounded-lg focus:outline-none" placeholder="输入主文本" value="ABABCABCACBAB">
</div>

<!-- Pattern Input -->
<div>
<labelclass="block text-sm font-medium text-gray-300 mb-2">模式串</label>
<inputtype="text" id="patternText" class="algorithm-select w-full px-4 py-2 rounded-lg focus:outline-none" placeholder="输入模式串" value="ABCAC">
</div>

<!-- Speed -->
<div>
<labelclass="block text-sm font-medium text-gray-300 mb-2">动画速度: <spanid="speedValue">5</span></label>
<inputtype="range" id="speed" min="1" max="10" value="5" class="slider w-full">
</div>

<!-- Control Buttons -->
<divclass="flex items-end space-x-2">
<buttonid="generateExample" class="control-button px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg font-medium">
 生成示例
</button>
<buttonid="startSearch" class="control-button px-4 py-2 bg-green-600 hover:bg-green-700 text-white rounded-lg font-medium">
 开始搜索
</button>
<buttonid="stopSearch" class="control-button px-4 py-2 bg-red-600 hover:bg-red-700 text-white rounded-lg font-medium">
 停止
</button>
</div>
</div>
</div>

<!-- Visualization Area -->
<divclass="grid lg:grid-cols-4 gap-8">
<!-- Main Visualization -->
<divclass="lg:col-span-3">
<divclass="bg-gray-800/50 backdrop-blur-sm rounded-2xl p-6 border border-gray-700">
<divclass="flex items-center justify-between mb-4">
<h3class="text-xl font-bold">字符串匹配可视化</h3>
<divclass="flex items-center space-x-4 text-sm">
<divclass="flex items-center space-x-2">
<divclass="w-4 h-4 bg-orange-500 rounded"></div>
<span>正在比较</span>
</div>
<divclass="flex items-center space-x-2">
<divclass="w-4 h-4 bg-green-500 rounded"></div>
<span>匹配成功</span>
</div>
<divclass="flex items-center space-x-2">
<divclass="w-4 h-4 bg-red-500 rounded"></div>
<span>不匹配</span>
</div>
<divclass="flex items-center space-x-2">
<divclass="w-4 h-4 bg-gray-500 rounded"></div>
<span>跳过</span>
</div>
</div>
</div>

<!-- Main Text Display -->
<divclass="mb-6">
<h4class="font-semibold mb-3 text-gray-300">主文本</h4>
<divid="mainTextDisplay" class="bg-gray-900/50 rounded-lg p-4 min-h-16 flex flex-wrap items-center">
<!-- Main text characters will be generated here -->
</div>
</div>

<!-- Pattern Display -->
<divclass="mb-6">
<h4class="font-semibold mb-3 text-gray-300">模式串</h4>
<divid="patternDisplay" class="bg-gray-900/50 rounded-lg p-4 min-h-16 flex flex-wrap items-center">
<!-- Pattern characters will be generated here -->
</div>
</div>

<!-- LPS/Hash Display -->
<divid="auxiliaryDisplay" class="mb-6">
<!-- LPS array or hash values will be shown here -->
</div>

<!-- Algorithm Steps -->
<divclass="bg-gray-900/50 rounded-lg p-4">
<h4class="font-semibold mb-3">算法步骤</h4>
<divid="algorithmSteps" class="space-y-2 max-h-32 overflow-y-auto">
<divclass="text-gray-400">点击"开始搜索"查看详细的算法执行步骤...</div>
</div>
</div>
</div>
</div>

<!-- Performance Panel -->
<divclass="space-y-6">
<!-- Statistics -->
<divclass="performance-card rounded-2xl p-6">
<h3class="text-lg font-bold mb-4">搜索统计</h3>
<divclass="space-y-4">
<divclass="flex justify-between items-center">
<spanclass="text-gray-300">比较次数</span>
<spanid="comparisonCount" class="text-cyan-400 font-bold">0</span>
</div>
<divclass="flex justify-between items-center">
<spanclass="text-gray-300">移动次数</span>
<spanid="shiftCount" class="text-orange-400 font-bold">0</span>
</div>
<divclass="flex justify-between items-center">
<spanclass="text-gray-300">找到位置</span>
<spanid="matchPosition" class="text-green-400 font-bold">-1</span>
</div>
<divclass="flex justify-between items-center">
<spanclass="text-gray-300">执行时间</span>
<spanid="executionTime" class="text-purple-400 font-bold">0ms</span>
</div>
</div>
</div>

<!-- Time Complexity -->
<divclass="performance-card rounded-2xl p-6">
<h3class="text-lg font-bold mb-4">时间复杂度</h3>
<divclass="space-y-3">
<divclass="flex justify-between items-center">
<spanclass="text-gray-300">最佳情况</span>
<spanid="bestCase" class="code-font text-green-400">O(n)</span>
</div>
<divclass="flex justify-between items-center">
<spanclass="text-gray-300">平均情况</span>
<spanid="averageCase" class="code-font text-yellow-400">O(n+m)</span>
</div>
<divclass="flex justify-between items-center">
<spanclass="text-gray-300">最坏情况</span>
<spanid="worstCase" class="code-font text-red-400">O(n+m)</span>
</div>
</div>
</div>

<!-- Algorithm Info -->
<divclass="performance-card rounded-2xl p-6">
<h3class="text-lg font-bold mb-4">算法信息</h3>
<divclass="space-y-3">
<divclass="flex justify-between items-center">
<spanclass="text-gray-300">搜索状态</span>
<spanid="searchStatus" class="text-gray-400">就绪</span>
</div>
<divclass="flex justify-between items-center">
<spanclass="text-gray-300">预处理</span>
<spanid="preprocessing" class="text-cyan-400">O(m)</span>
</div>
</div>
</div>

<!-- Pattern Info -->
<divclass="performance-card rounded-2xl p-6">
<h3class="text-lg font-bold mb-4">模式串信息</h3>
<divclass="space-y-2 text-sm">
<divclass="flex justify-between">
<spanclass="text-gray-300">长度:</span>
<spanid="patternLength" class="text-cyan-400">0</span>
</div>
<divclass="flex justify-between">
<spanclass="text-gray-300">文本长度:</span>
<spanid="textLength" class="text-cyan-400">0</span>
</div>
</div>
</div>
</div>
</div>

<!-- Algorithm Code -->
<divclass="mt-8 bg-gray-800/50 backdrop-blur-sm rounded-2xl p-6 border border-gray-700">
<h3class="text-xl font-bold mb-4">算法代码</h3>
<divclass="bg-gray-900/50 rounded-lg p-4 overflow-x-auto">
<preid="algorithmCode" class="code-font text-sm text-gray-300"><code>// 选择算法查看代码实现
</code></pre>
</div>
</div>
</div>
</div>

<!-- Footer -->
<footerclass="bg-gray-900 border-t border-gray-800 py-8">
<divclass="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<divclass="text-center">
<pclass="text-gray-400">
 © 2025 Kaleb. 让算法学习变得简单有趣.
</p>
</div>
</div>
</footer>

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<scriptsrc="string-algorithms.js"></script>
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