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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>文本差异检查器</title>
<!-- Favicon -->
<link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cdefs%3E%3ClinearGradient id='grad' x1='0%25' y1='0%25' x2='100%25' y2='100%25'%3E%3Cstop offset='0%25' style='stop-color:%233B82F6;stop-opacity:1' /%3E%3Cstop offset='100%25' style='stop-color:%2310B981;stop-opacity:1' /%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='100' height='100' rx='20' fill='url(%23grad)'/%3E%3Cpath d='M25 30 L45 30 M25 40 L40 40 M25 50 L45 50 M25 60 L35 60' stroke='white' stroke-width='3' stroke-linecap='round'/%3E%3Cpath d='M55 30 L75 30 M60 40 L75 40 M55 50 L75 50 M65 60 L75 60' stroke='white' stroke-width='3' stroke-linecap='round'/%3E%3Cpath d='M45 35 L55 35' stroke='%23EF4444' stroke-width='2' stroke-linecap='round'/%3E%3Cpath d='M40 45 L60 45' stroke='%2310B981' stroke-width='2' stroke-linecap='round'/%3E%3Cpath d='M45 55 L55 55' stroke='%23F59E0B' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E">
<script src="https://cdn.tailwindcss.com"></script>
<link href="https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css" rel="stylesheet">
<!-- CodeMirror CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/lib/codemirror.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/theme/default.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/theme/material-darker.css">
<!-- CodeMirror JS -->
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/lib/codemirror.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/markdown/markdown.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/javascript/javascript.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/python/python.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/xml/xml.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/css/css.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/sql/sql.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/clike/clike.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/shell/shell.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/yaml/yaml.js"></script>
<script src="https://cdn.jsdelivr.net/npm/codemirror@5.65.16/mode/dockerfile/dockerfile.js"></script>
<!-- Code highlighting -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/codemirror.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/theme/default.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/theme/dracula.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/codemirror.min.js"></script>
<!-- Language modes -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/mode/markdown/markdown.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/mode/javascript/javascript.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/mode/python/python.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/mode/xml/xml.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/mode/css/css.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/mode/sql/sql.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/mode/shell/shell.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.14/mode/clike/clike.min.js"></script>
<script>
tailwind.config = {
darkMode: 'class',
theme: {
extend: {
colors: {
primary: '#3B82F6',
secondary: '#10B981',
accent: '#6366F1',
danger: '#EF4444',
neutral: '#6B7280',
},
fontFamily: {
inter: ['Inter', 'system-ui', 'sans-serif'],
mono: ['Consolas', 'Monaco', 'monospace'],
},
}
}
}
</script>
<style type="text/tailwindcss">
@layer utilities {
.content-auto {
content-visibility: auto;
}
.scrollbar-thin {
scrollbar-width: thin;
}
.scrollbar-none {
scrollbar-width: none;
}
.scrollbar-none::-webkit-scrollbar {
display: none;
}
.diff-add {
@apply bg-green-100 text-green-800 border-l-4 border-green-500 px-3 py-0.5;
}
.dark .diff-add {
@apply bg-green-900/30 text-green-300 border-l-4 border-green-500 px-3 py-0.5;
}
.diff-remove {
@apply bg-red-100 text-red-800 border-l-4 border-red-500 px-3 py-0.5;
}
.dark .diff-remove {
@apply bg-red-900/30 text-red-300 border-l-4 border-red-500 px-3 py-0.5;
}
.diff-modify {
@apply bg-yellow-100 text-yellow-800 border-l-4 border-yellow-500 px-3 py-0.5;
}
.dark .diff-modify {
@apply bg-yellow-900/30 text-yellow-300 border-l-4 border-yellow-500 px-3 py-0.5;
}
.diff-context {
@apply bg-gray-50 text-gray-800 border-l-4 border-gray-300 px-3 py-0.5;
}
.dark .diff-context {
@apply bg-gray-800 text-gray-300 border-l-4 border-gray-600 px-3 py-0.5;
}
/* 并排模式的行样式 */
.diff-line-side-by-side {
min-height: 1.5rem;
line-height: 1.5;
}
/* 强制深色模式的body样式 */
body.dark {
background-color: #111827 !important; /* gray-900 */
color: #f3f4f6 !important; /* gray-100 */
}
/* CodeMirror 编辑器样式 */
.CodeMirror {
height: 256px;
font-family: 'Consolas', 'Monaco', 'monospace';
font-size: 14px;
border-radius: 0;
}
.CodeMirror-placeholder {
color: #9ca3af !important; /* gray-400 */
}
/* 深色模式下的 CodeMirror 样式调整 */
.dark .CodeMirror {
background-color: #1f2937 !important; /* gray-800 */
color: #f3f4f6 !important; /* gray-100 */
}
.dark .CodeMirror-gutters {
background-color: #374151 !important; /* gray-700 */
border-right-color: #4b5563 !important; /* gray-600 */
}
.dark .CodeMirror-linenumber {
color: #9ca3af !important; /* gray-400 */
}
.dark .CodeMirror-cursor {
border-left-color: #f3f4f6 !important; /* gray-100 */
}
/* CodeMirror 焦点状态 */
.CodeMirror-focused .CodeMirror-cursor {
border-left-color: #3b82f6 !important; /* primary */
}
.dark .CodeMirror-focused .CodeMirror-cursor {
border-left-color: #60a5fa !important; /* primary light */
}
/* 差异结果区域样式 */
#diff-result {
font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
font-size: 14px;
white-space: pre;
overflow-x: auto;
}
#diff-result div {
white-space: pre;
overflow-x: auto;
}
/* 行号样式 */
.line-number {
min-width: 3rem;
user-select: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
}
/* 确保行号区域的对齐 */
.diff-line {
display: flex;
align-items: flex-start;
min-height: 1.5rem;
}
/* 行号悬停效果 */
.line-number:hover {
background-color: rgba(156, 163, 175, 0.1);
}
.dark .line-number:hover {
background-color: rgba(156, 163, 175, 0.2);
}
/* 拖拽上传区域样式 */
.drag-over {
border: 2px dashed #3b82f6 !important;
background-color: rgba(59, 130, 246, 0.1) !important;
}
.upload-overlay {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(59, 130, 246, 0.1);
border: 2px dashed #3b82f6;
border-radius: 0.5rem;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.125rem;
font-weight: 600;
color: #3b82f6;
z-index: 10;
backdrop-filter: blur(2px);
}
/* 图标动画效果 */
.fa-flask:hover {
animation: bounce 0.6s ease-in-out;
}
.fa-copy:hover, .fa-paste:hover {
animation: pulse 0.5s ease-in-out;
}
.fa-upload:hover {
animation: bounce 0.6s ease-in-out;
}
.fa-plus-circle, .fa-minus-circle, .fa-pencil {
transition: transform 0.2s ease-in-out;
}
.fa-plus-circle:hover {
transform: scale(1.2) rotate(90deg);
}
.fa-minus-circle:hover {
transform: scale(1.2) rotate(180deg);
}
.fa-pencil:hover {
transform: scale(1.2) rotate(15deg);
}
@keyframes bounce {
0%, 20%, 53%, 80%, 100% {
animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
transform: translate3d(0,0,0);
}
40%, 43% {
animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
transform: translate3d(0, -8px, 0);
}
70% {
animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
transform: translate3d(0, -4px, 0);
}
90% {
transform: translate3d(0,-1px,0);
}
}
}
</style>
</head>
<body class="font-inter bg-gray-50 text-gray-800 min-h-screen flex flex-col dark:bg-gray-900 dark:text-gray-100">
<!-- 顶部导航栏 -->
<header class="bg-white shadow-sm sticky top-0 z-10 dark:bg-gray-800">
<div class="container mx-auto px-4 py-3 flex items-center justify-between">
<div class="flex items-center space-x-2">
<i class="fa fa-code-fork text-primary text-2xl animate-pulse"></i>
<h1 class="text-xl font-bold text-gray-800 dark:text-white" id="app-title">文本差异检查器</h1>
</div>
<div class="flex items-center space-x-4">
<!-- 主题切换器 -->
<div class="relative inline-block w-12 h-6 rounded-full bg-gray-200 dark:bg-gray-700 transition-colors cursor-pointer" id="theme-toggle">
<div class="absolute left-1 top-1 bg-white dark:bg-gray-300 w-4 h-4 rounded-full transition-transform duration-300 ease-in-out shadow-sm flex items-center justify-center" id="theme-toggle-dot">
<i class="fa fa-sun-o text-xs text-yellow-500 dark:hidden"></i>
<i class="fa fa-moon-o text-xs text-blue-300 hidden dark:block"></i>
</div>
</div>
<!-- 语言切换器 -->
<div class="relative inline-block" id="lang-toggle">
<select class="bg-white dark:bg-gray-800 border border-gray-300 dark:border-gray-600 text-gray-700 dark:text-gray-300 rounded-lg px-3 py-1 text-sm focus:ring-2 focus:ring-primary/50 focus:border-primary outline-none">
<option value="zh">中文</option>
<option value="en">English</option>
</select>
</div>
<button id="help-btn" class="p-2 rounded-full hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors">
<i class="fa fa-question-circle text-gray-600 dark:text-gray-300"></i>
</button>
</div>
</div>
</header>
<!-- 主要内容区 -->
<main class="flex-grow container mx-auto px-4 py-6">
<!-- 输入区域 -->
<div class="grid grid-cols-1 lg:grid-cols-2 gap-6 mb-6">
<!-- 源文本 -->
<div class="bg-white rounded-lg shadow-sm overflow-hidden dark:bg-gray-800">
<div class="bg-gray-50 border-b border-gray-200 px-4 py-3 flex items-center justify-between dark:bg-gray-700 dark:border-gray-600">
<h2 class="font-medium text-gray-700 dark:text-gray-300 flex items-center" id="source-label">
<i class="fa fa-file-text-o text-blue-500 mr-2"></i>源文本
</h2>
<div class="flex items-center space-x-2">
<button id="load-sample1-btn" class="text-xs text-primary hover:text-primary/80 flex items-center">
<i class="fa fa-flask mr-1"></i><span id="load-sample1-text">加载示例</span>
</button>
<button id="copy-source-btn" class="text-xs text-primary hover:text-primary/80 flex items-center">
<i class="fa fa-copy mr-1"></i><span id="copy-source-text">复制</span>
</button>
<button id="paste-source-btn" class="text-xs text-primary hover:text-primary/80 flex items-center">
<i class="fa fa-paste mr-1"></i><span id="paste-source-text">粘贴</span>
</button>
<label for="source-file-input" class="text-xs text-primary hover:text-primary/80 cursor-pointer flex items-center">
<i class="fa fa-upload mr-1"></i><span id="upload-source-text">上传文件</span>
<input id="source-file-input" type="file" class="hidden" accept=".txt,.md,.js,.py,.html,.css,.sql,.json,.xml,.yaml,.yml,.sh,.c,.cpp,.java,.go,.rs,.php,.rb,.ts,.jsx,.tsx,.vue,.svelte">
</label>
</div>
</div>
<div class="p-0">
<div id="source-editor" class="h-64"></div>
</div>
</div>
<!-- 目标文本 -->
<div class="bg-white rounded-lg shadow-sm overflow-hidden dark:bg-gray-800">
<div class="bg-gray-50 border-b border-gray-200 px-4 py-3 flex items-center justify-between dark:bg-gray-700 dark:border-gray-600">
<h2 class="font-medium text-gray-700 dark:text-gray-300 flex items-center" id="target-label">
<i class="fa fa-file-code-o text-green-500 mr-2"></i>目标文本
</h2>
<div class="flex items-center space-x-2">
<button id="load-sample2-btn" class="text-xs text-primary hover:text-primary/80 flex items-center">
<i class="fa fa-flask mr-1"></i><span id="load-sample2-text">加载示例</span>
</button>
<button id="copy-target-btn" class="text-xs text-primary hover:text-primary/80 flex items-center">
<i class="fa fa-copy mr-1"></i><span id="copy-target-text">复制</span>
</button>
<button id="paste-target-btn" class="text-xs text-primary hover:text-primary/80 flex items-center">
<i class="fa fa-paste mr-1"></i><span id="paste-target-text">粘贴</span>
</button>
<label for="target-file-input" class="text-xs text-primary hover:text-primary/80 cursor-pointer flex items-center">
<i class="fa fa-upload mr-1"></i><span id="upload-target-text">上传文件</span>
<input id="target-file-input" type="file" class="hidden" accept=".txt,.md,.js,.py,.html,.css,.sql,.json,.xml,.yaml,.yml,.sh,.c,.cpp,.java,.go,.rs,.php,.rb,.ts,.jsx,.tsx,.vue,.svelte">
</label>
</div>
</div>
<div class="p-0">
<div id="target-editor" class="h-64"></div>
</div>
</div>
</div>
<!-- 操作工具栏 -->
<div class="bg-white rounded-lg shadow-sm p-4 mb-6 dark:bg-gray-800">
<div class="flex flex-wrap items-center justify-between gap-4">
<div class="flex flex-wrap items-center gap-2">
<button id="compare-btn" class="bg-primary hover:bg-primary/90 text-white px-4 py-2 rounded-lg transition-colors flex items-center">
<i class="fa fa-exchange mr-2"></i><span id="compare-text">比较</span>
</button>
<button id="clear-btn" class="bg-gray-200 hover:bg-gray-300 text-gray-700 dark:bg-gray-700 dark:text-gray-200 dark:hover:bg-gray-600 px-4 py-2 rounded-lg transition-colors flex items-center">
<i class="fa fa-trash-o mr-2"></i><span id="clear-text">清空</span>
</button>
<button id="copy-result-btn" class="bg-gray-200 hover:bg-gray-300 text-gray-700 dark:bg-gray-700 dark:text-gray-200 dark:hover:bg-gray-600 px-4 py-2 rounded-lg transition-colors flex items-center" disabled>
<i class="fa fa-clipboard mr-2"></i><span id="copy-text">复制结果</span>
</button>
</div>
<div class="flex flex-wrap items-center gap-4">
<!-- 编程语言选择器 -->
<div class="flex items-center gap-2">
<label for="languageSelect" class="text-sm font-medium text-gray-700 dark:text-gray-300 flex items-center">
<i class="fa fa-code text-purple-500 mr-1"></i>语言:
</label>
<select id="languageSelect" class="bg-white dark:bg-gray-700 border border-gray-300 dark:border-gray-600 text-gray-700 dark:text-gray-300 rounded-lg px-3 py-1 text-sm focus:ring-2 focus:ring-primary/50 focus:border-primary outline-none">
<option value="markdown">Markdown</option>
<option value="javascript">JavaScript</option>
<option value="python">Python</option>
<option value="xml">HTML/XML</option>
<option value="css">CSS</option>
<option value="sql">SQL</option>
<option value="text/x-java">Java</option>
<option value="text/x-csrc">C</option>
<option value="text/x-c++src">C++</option>
<option value="shell">Shell</option>
<option value="yaml">YAML</option>
<option value="dockerfile">Dockerfile</option>
</select>
</div>
<div class="flex items-center gap-2">
<label for="diff-algorithm" class="text-sm font-medium text-gray-700 dark:text-gray-300 flex items-center" id="algorithm-label">
<i class="fa fa-cogs text-orange-500 mr-1"></i>算法:
</label>
<div class="flex bg-gray-100 dark:bg-gray-700 rounded-lg p-1" id="algorithm-options">
<button class="px-3 py-1 rounded-md text-sm font-medium transition-colors algorithm-btn active" data-value="side-by-side">
<span id="side-by-side-text">并排对比</span>
</button>
<button class="px-3 py-1 rounded-md text-sm font-medium transition-colors algorithm-btn" data-value="unified">
<span id="unified-text">统一对比</span>
</button>
<button class="px-3 py-1 rounded-md text-sm font-medium transition-colors algorithm-btn" data-value="char">
<span id="char-text">字符级对比</span>
</button>
</div>
</div>
</div>
</div>
</div>
<!-- 结果区域 -->
<div id="result-container" class="hidden bg-white rounded-lg shadow-sm overflow-hidden mb-6 dark:bg-gray-800">
<div class="bg-gray-50 border-b border-gray-200 px-4 py-3 flex items-center justify-between dark:bg-gray-700 dark:border-gray-600">
<h2 class="font-medium text-gray-700 dark:text-gray-300 flex items-center" id="result-label">
<i class="fa fa-search text-indigo-500 mr-2"></i>差异结果
</h2>
<div class="flex items-center space-x-4">
<!-- 统计信息 -->
<div class="flex items-center space-x-3 text-sm">
<div class="flex items-center space-x-1">
<i class="fa fa-plus-circle text-green-500"></i>
<span class="text-xs text-green-600 dark:text-green-400 font-medium">+<span id="added-lines">0</span></span>
</div>
<div class="flex items-center space-x-1">
<i class="fa fa-minus-circle text-red-500"></i>
<span class="text-xs text-red-600 dark:text-red-400 font-medium">-<span id="deleted-lines">0</span></span>
</div>
<div class="flex items-center space-x-1">
<i class="fa fa-pencil text-yellow-500"></i>
<span class="text-xs text-yellow-600 dark:text-yellow-400 font-medium">~<span id="modified-lines">0</span></span>
</div>
</div>
</div>
</div>
<div class="p-3">
<div id="diff-result" class="font-mono"></div>
</div>
</div>
</main>
<!-- 页脚 -->
<footer class="bg-white border-t border-gray-200 py-4 dark:bg-gray-800 dark:border-gray-700">
<div class="container mx-auto px-4 text-center text-sm text-gray-500 dark:text-gray-400">
<p id="footer-text" class="flex items-center justify-center">
<i class="fa fa-heart text-red-500 mr-1 animate-pulse"></i>
文本差异检查器 © 2025 | 使用简单高效的文本比较工具
<i class="fa fa-code text-blue-500 ml-1"></i>
</p>
</div>
</footer>
<!-- 帮助模态框 -->
<div id="help-modal" class="fixed inset-0 bg-black/50 flex items-center justify-center z-50 hidden">
<div class="bg-white rounded-lg shadow-lg max-w-lg w-full max-h-[80vh] overflow-y-auto dark:bg-gray-800">
<div class="p-6">
<div class="flex items-center justify-between mb-4">
<h3 class="text-lg font-semibold text-gray-800 dark:text-white" id="help-title">使用帮助</h3>
<button id="close-help-btn" class="text-gray-400 hover:text-gray-600 dark:hover:text-gray-300">
<i class="fa fa-times"></i>
</button>
</div>
<div class="space-y-4 text-sm text-gray-700 dark:text-gray-300">
<div>
<h4 class="font-medium text-gray-900 dark:text-white mb-2" id="how-to-use-title">如何使用文本差异检查器</h4>
<ol class="list-decimal list-inside space-y-2">
<li id="step-1">在左侧"源文本"框中输入或粘贴原始文本</li>
<li id="step-2">在右侧"目标文本"框中输入或粘贴修改后的文本</li>
<li id="step-3">选择适当的比较算法</li>
<li id="step-4">点击"比较"按钮查看差异结果</li>
</ol>
</div>
<div>
<h4 class="font-medium text-gray-900 dark:text-white mb-2 flex items-center" id="color-guide-title">
<i class="fa fa-palette text-pink-500 mr-1"></i>颜色标识说明
</h4>
<ul class="list-disc list-inside space-y-1">
<li class="text-green-700 dark:text-green-400"><i class="fa fa-plus-circle text-green-500 mr-1"></i><span id="color-add">绿色表示新增内容</span></li>
<li class="text-red-700 dark:text-red-400"><i class="fa fa-minus-circle text-red-500 mr-1"></i><span id="color-remove">红色表示删除内容</span></li>
<li class="text-yellow-700 dark:text-yellow-400"><i class="fa fa-pencil text-yellow-500 mr-1"></i><span id="color-modify">黄色表示修改内容</span></li>
</ul>
</div>
<div>
<h4 class="font-medium text-gray-900 dark:text-white mb-2 flex items-center" id="algorithms-title">
<i class="fa fa-lightbulb-o text-yellow-500 mr-1"></i>可用比较算法
</h4>
<ul class="list-disc list-inside space-y-1">
<li><strong id="algorithm-1">并排对比</strong>: <span id="algorithm-1-desc">左右并排显示两个文本，差异部分高亮</span></li>
<li><strong id="algorithm-2">统一对比</strong>: <span id="algorithm-2-desc">将两个文本合并显示，差异部分用不同颜色标记</span></li>
<li><strong id="algorithm-3">字符级对比</strong>: <span id="algorithm-3-desc">不仅检测行差异，还检测每行内的字符差异</span></li>
</ul>
</div>
</div>
</div>
</div>
</div>
<script>
// 语言资源
const langResources = {
zh: {
appTitle: "文本差异检查器",
compareText: "比较",
clearText: "清空",
copyText: "复制结果",
languageLabel: "语言:",
algorithmLabel: "算法:",
sideBySideText: "并排对比",
unifiedText: "统一对比",
charText: "字符级对比",
sourceLabel: "源文本",
targetLabel: "目标文本",
loadSample1Text: "加载示例",
copySourceText: "复制",
pasteSourceText: "粘贴",
loadSample2Text: "加载示例",
copyTargetText: "复制",
pasteTargetText: "粘贴",
uploadSourceText: "上传文件",
uploadTargetText: "上传文件",
resultLabel: "差异结果",
addedLabel: "新增",
deletedLabel: "删除",
modifiedLabel: "修改",
footerText: "文本差异检查器 © 2025 | 使用简单高效的文本比较工具",
helpTitle: "使用帮助",
howToUseTitle: "如何使用文本差异检查器",
step1: "在左侧\"源文本\"框中输入或粘贴原始文本",
step2: "在右侧\"目标文本\"框中输入或粘贴修改后的文本",
step3: "选择适当的比较算法",
step4: "点击\"比较\"按钮查看差异结果",
colorGuideTitle: "颜色标识说明",
colorAdd: "绿色表示新增内容",
colorRemove: "红色表示删除内容",
colorModify: "黄色表示修改内容",
algorithmsTitle: "可用比较算法",
algorithm1: "并排对比",
algorithm1Desc: "左右并排显示两个文本，差异部分高亮",
algorithm2: "统一对比",
algorithm2Desc: "将两个文本合并显示，差异部分用不同颜色标记",
algorithm3: "字符级对比",
algorithm3Desc: "不仅检测行差异，还检测每行内的字符差异"
},
en: {
appTitle: "Text Diff Checker",
compareText: "Compare",
clearText: "Clear",
copyText: "Copy Result",
languageLabel: "Language:",
algorithmLabel: "Algorithm:",
sideBySideText: "Side by Side",
unifiedText: "Unified",
charText: "Character Level",
sourceLabel: "Source Text",
targetLabel: "Target Text",
loadSample1Text: "Load Sample",
copySourceText: "Copy",
pasteSourceText: "Paste",
loadSample2Text: "Load Sample",
copyTargetText: "Copy",
pasteTargetText: "Paste",
uploadSourceText: "Upload File",
uploadTargetText: "Upload File",
resultLabel: "Diff Result",
addedLabel: "Added",
deletedLabel: "Deleted",
modifiedLabel: "Modified",
footerText: "Text Diff Checker © 2025 | A simple and efficient text comparison tool",
helpTitle: "Help",
howToUseTitle: "How to use the Text Diff Checker",
step1: "Enter or paste the original text in the 'Source Text' box on the left",
step2: "Enter or paste the modified text in the 'Target Text' box on the right",
step3: "Select the appropriate comparison algorithm",
step4: "Click the 'Compare' button to view the differences",
colorGuideTitle: "Color Guide",
colorAdd: "Green indicates added content",
colorRemove: "Red indicates deleted content",
colorModify: "Yellow indicates modified content",
algorithmsTitle: "Available Comparison Algorithms",
algorithm1: "Side by Side",
algorithm1Desc: "Displays both texts side by side with differences highlighted",
algorithm2: "Unified",
algorithm2Desc: "Combines both texts with differences marked in different colors",
algorithm3: "Character Level",
algorithm3Desc: "Detects not only line differences but also character differences within lines"
}
};
// 示例文本
const sampleText1 = `function calculateTotal(prices) {
let total = 0;
for (let i = 0; i < prices.length; i++) {
total += prices[i];
}
return total;
}
// 计算平均值
function calculateAverage(prices) {
const total = calculateTotal(prices);
return total / prices.length;
}
console.log("计算完成");`;
const sampleText2 = `function calculateTotal(prices) {
let sum = 0;
for (const price of prices) {
sum += price;
}
return sum;
}
// 计算平均值
function calculateAverage(prices) {
if (prices.length === 0) return 0;
const total = calculateTotal(prices);
return total / prices.length;
}
// 打印结果
console.log("计算完成，结果已输出");`;
// DOM元素
let sourceEditor, targetEditor; // CodeMirror 编辑器实例
const sourceText = document.getElementById('source-text'); // 保留引用以兼容
const targetText = document.getElementById('target-text'); // 保留引用以兼容
const compareBtn = document.getElementById('compare-btn');
const clearBtn = document.getElementById('clear-btn');
const copyResultBtn = document.getElementById('copy-result-btn');
const resultContainer = document.getElementById('result-container');
const diffResult = document.getElementById('diff-result');
const addedLines = document.getElementById('added-lines');
const deletedLines = document.getElementById('deleted-lines');
const modifiedLines = document.getElementById('modified-lines');
const loadSample1Btn = document.getElementById('load-sample1-btn');
const loadSample2Btn = document.getElementById('load-sample2-btn');
const copySourceBtn = document.getElementById('copy-source-btn');
const copyTargetBtn = document.getElementById('copy-target-btn');
const pasteSourceBtn = document.getElementById('paste-source-btn');
const pasteTargetBtn = document.getElementById('paste-target-btn');
const sourceFileInput = document.getElementById('source-file-input');
const targetFileInput = document.getElementById('target-file-input');
const helpBtn = document.getElementById('help-btn');
const helpModal = document.getElementById('help-modal');
const closeHelpBtn = document.getElementById('close-help-btn');
const diffAlgorithm = document.getElementById('diff-algorithm');
const themeToggle = document.getElementById('theme-toggle');
const themeToggleDot = document.getElementById('theme-toggle-dot');
const langToggle = document.getElementById('lang-toggle').querySelector('select');
const algorithmBtns = document.querySelectorAll('.algorithm-btn');
const languageSelect = document.getElementById('languageSelect');
// 当前选择的算法
let currentAlgorithm = 'side-by-side';
// 初始化
initApp();
function initApp() {
// 初始化主题
initTheme();
// 初始化 CodeMirror 编辑器
initCodeMirrorEditors();
// 初始化语言
const savedLang = localStorage.getItem('appLang') || 'zh';
langToggle.value = savedLang;
updateLanguage(savedLang);
// 初始化算法按钮
algorithmBtns.forEach(btn => {
btn.addEventListener('click', () => {
algorithmBtns.forEach(b => b.classList.remove('active', 'bg-primary', 'text-white'));
btn.classList.add('active', 'bg-primary', 'text-white');
currentAlgorithm = btn.dataset.value;
// 如果已有比较结果，自动刷新
if (!resultContainer.classList.contains('hidden')) {
compareBtn.click();
}
});
});
// 激活第一个算法按钮
algorithmBtns[0].classList.add('active', 'bg-primary', 'text-white');
}
// 初始化 CodeMirror 编辑器
function initCodeMirrorEditors() {
const isDark = document.body.classList.contains('dark');
const theme = isDark ? 'material-darker' : 'default';
// 初始化源文本编辑器
sourceEditor = CodeMirror(document.getElementById('source-editor'), {
value: '',
mode: 'markdown',
theme: theme,
lineNumbers: true,
lineWrapping: true,
placeholder: '请在此输入或粘贴源文本...',
autoCloseBrackets: true,
matchBrackets: true,
indentUnit: 4,
tabSize: 4,
extraKeys: {
"Ctrl-Enter": function() { compareBtn.click(); },
"Cmd-Enter": function() { compareBtn.click(); }
}
});
// 初始化目标文本编辑器
targetEditor = CodeMirror(document.getElementById('target-editor'), {
value: '',
mode: 'markdown',
theme: theme,
lineNumbers: true,
lineWrapping: true,
placeholder: '请在此输入或粘贴目标文本...',
autoCloseBrackets: true,
matchBrackets: true,
indentUnit: 4,
tabSize: 4,
extraKeys: {
"Ctrl-Enter": function() { compareBtn.click(); },
"Cmd-Enter": function() { compareBtn.click(); }
}
});
// 监听语言选择器变化
languageSelect.addEventListener('change', function() {
const selectedLanguage = this.value;
sourceEditor.setOption('mode', selectedLanguage);
targetEditor.setOption('mode', selectedLanguage);
});
// 自适应编辑器主题
function updateEditorTheme() {
const isDark = document.body.classList.contains('dark');
const theme = isDark ? 'material-darker' : 'default';
sourceEditor.setOption('theme', theme);
targetEditor.setOption('theme', theme);
}
// 监听主题变化
const observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if (mutation.type === 'attributes' && mutation.attributeName === 'class') {
updateEditorTheme();
}
});
});
observer.observe(document.body, {
attributes: true,
attributeFilter: ['class']
});
// 监听窗口大小变化，刷新编辑器
window.addEventListener('resize', function() {
setTimeout(function() {
sourceEditor.refresh();
targetEditor.refresh();
}, 100);
});
}
// 获取编辑器内容的辅助函数
function getSourceText() {
return sourceEditor ? sourceEditor.getValue() : '';
}
function getTargetText() {
return targetEditor ? targetEditor.getValue() : '';
}
function setSourceText(text) {
if (sourceEditor) {
sourceEditor.setValue(text);
}
}
function setTargetText(text) {
if (targetEditor) {
targetEditor.setValue(text);
}
}
// 初始化主题
function initTheme() {
// 检查本地存储或系统偏好
const savedTheme = localStorage.getItem('darkMode');
const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
let isDarkMode = false;
if (savedTheme !== null) {
isDarkMode = savedTheme === 'true';
} else {
// 默认跟随系统主题
isDarkMode = prefersDark;
}
applyTheme(isDarkMode);
}
// 应用主题
function applyTheme(isDark) {
if (isDark) {
document.body.classList.add('dark');
themeToggleDot.classList.add('translate-x-6');
} else {
document.body.classList.remove('dark');
themeToggleDot.classList.remove('translate-x-6');
}
localStorage.setItem('darkMode', isDark);
}
// 主题切换
themeToggle.addEventListener('click', () => {
const isDark = !document.body.classList.contains('dark');
applyTheme(isDark);
});
// 监听系统主题变化
window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', (e) => {
// 只有在用户没有手动设置主题时才跟随系统主题
if (localStorage.getItem('darkMode') === null) {
applyTheme(e.matches);
}
});
// 添加主题切换器的鼠标悬停效果
themeToggle.addEventListener('mouseenter', () => {
themeToggle.style.transform = 'scale(1.05)';
});
themeToggle.addEventListener('mouseleave', () => {
themeToggle.style.transform = 'scale(1)';
});
// 语言切换
langToggle.addEventListener('change', () => {
const selectedLang = langToggle.value;
updateLanguage(selectedLang);
localStorage.setItem('appLang', selectedLang);
});
// 更新语言
function updateLanguage(lang) {
const resources = langResources[lang];
if (!resources) return;
// 安全地更新元素内容，避免null错误
function safeUpdateElement(id, content) {
const element = document.getElementById(id);
if (element) {
// 对于包含HTML实体的内容使用innerHTML，其他使用textContent
if (content.includes('&')) {
element.innerHTML = content;
} else {
element.textContent = content;
}
} else {
console.warn(`Element with id '${id}' not found`);
}
}
safeUpdateElement('app-title', resources.appTitle);
safeUpdateElement('compare-text', resources.compareText);
safeUpdateElement('clear-text', resources.clearText);
safeUpdateElement('copy-text', resources.copyText);
// 更新语言选择器标签
const languageLabel = document.querySelector('label[for="languageSelect"]');
if (languageLabel) {
languageLabel.textContent = resources.languageLabel;
}
safeUpdateElement('algorithm-label', resources.algorithmLabel);
safeUpdateElement('side-by-side-text', resources.sideBySideText);
safeUpdateElement('unified-text', resources.unifiedText);
safeUpdateElement('char-text', resources.charText);
safeUpdateElement('source-label', resources.sourceLabel);
safeUpdateElement('target-label', resources.targetLabel);
safeUpdateElement('load-sample1-text', resources.loadSample1Text);
safeUpdateElement('copy-source-text', resources.copySourceText);
safeUpdateElement('paste-source-text', resources.pasteSourceText);
safeUpdateElement('load-sample2-text', resources.loadSample2Text);
safeUpdateElement('copy-target-text', resources.copyTargetText);
safeUpdateElement('paste-target-text', resources.pasteTargetText);
safeUpdateElement('upload-source-text', resources.uploadSourceText);
safeUpdateElement('upload-target-text', resources.uploadTargetText);
safeUpdateElement('result-label', resources.resultLabel);
safeUpdateElement('added-label', resources.addedLabel);
safeUpdateElement('deleted-label', resources.deletedLabel);
safeUpdateElement('modified-label', resources.modifiedLabel);
safeUpdateElement('footer-text', resources.footerText);
safeUpdateElement('help-title', resources.helpTitle);
safeUpdateElement('how-to-use-title', resources.howToUseTitle);
safeUpdateElement('step-1', resources.step1);
safeUpdateElement('step-2', resources.step2);
safeUpdateElement('step-3', resources.step3);
safeUpdateElement('step-4', resources.step4);
safeUpdateElement('color-guide-title', resources.colorGuideTitle);
safeUpdateElement('color-add', resources.colorAdd);
safeUpdateElement('color-remove', resources.colorRemove);
safeUpdateElement('color-modify', resources.colorModify);
safeUpdateElement('algorithms-title', resources.algorithmsTitle);
safeUpdateElement('algorithm-1', resources.algorithm1);
safeUpdateElement('algorithm-1-desc', resources.algorithm1Desc);
safeUpdateElement('algorithm-2', resources.algorithm2);
safeUpdateElement('algorithm-2-desc', resources.algorithm2Desc);
safeUpdateElement('algorithm-3', resources.algorithm3);
safeUpdateElement('algorithm-3-desc', resources.algorithm3Desc);
}
// 加载示例文本
loadSample1Btn.addEventListener('click', () => {
setSourceText(sampleText1);
});
loadSample2Btn.addEventListener('click', () => {
setTargetText(sampleText2);
});
// 复制和粘贴功能
copySourceBtn.addEventListener('click', () => {
const text = getSourceText();
navigator.clipboard.writeText(text);
});
copyTargetBtn.addEventListener('click', () => {
const text = getTargetText();
navigator.clipboard.writeText(text);
});
pasteSourceBtn.addEventListener('click', async () => {
try {
const text = await navigator.clipboard.readText();
setSourceText(text);
} catch (err) {
console.error('Failed to read clipboard contents:', err);
}
});
pasteTargetBtn.addEventListener('click', async () => {
try {
const text = await navigator.clipboard.readText();
setTargetText(text);
} catch (err) {
console.error('Failed to read clipboard contents:', err);
}
});
// 文件上传功能
sourceFileInput.addEventListener('change', (e) => {
const file = e.target.files[0];
if (file) {
readFileContent(file, setSourceText);
// 根据文件扩展名自动设置语言模式
const extension = file.name.split('.').pop().toLowerCase();
setLanguageModeByExtension(extension);
}
});
targetFileInput.addEventListener('change', (e) => {
const file = e.target.files[0];
if (file) {
readFileContent(file, setTargetText);
// 根据文件扩展名自动设置语言模式
const extension = file.name.split('.').pop().toLowerCase();
setLanguageModeByExtension(extension);
}
});
// 读取文件内容
function readFileContent(file, callback) {
const reader = new FileReader();
reader.onload = (e) => {
try {
callback(e.target.result);
} catch (error) {
console.error('Error reading file:', error);
alert('读取文件时出现错误，请检查文件格式。');
}
};
reader.onerror = () => {
console.error('File reading failed');
alert('文件读取失败，请重试。');
};
reader.readAsText(file, 'UTF-8');
}
// 根据文件扩展名设置语言模式
function setLanguageModeByExtension(extension) {
const extensionMap = {
'js': 'javascript',
'jsx': 'javascript',
'ts': 'javascript',
'tsx': 'javascript',