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index.html
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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>HTML 差异对比工具</title>
<style>
:root {
--primary-color: #60bd90;
--ins-color: #4CAF50;
--del-color: #f44336;
--text-color: #333;
--bg-color: #f5f5f5;
}
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
line-height: 1.6;
color: var(--text-color);
background-color: var(--bg-color);
padding: 2rem 1rem;
}
.container {
max-width: 1200px;
margin: 0 auto;
}
.header {
text-align: center;
margin-bottom: 2rem;
}
.diff-container {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 1.5rem;
margin-bottom: 1.5rem;
}
textarea {
width: 100%;
height: 300px;
padding: 1rem;
border: 2px solid var(--primary-color);
border-radius: 6px;
font-family: 'Courier New', Courier, monospace;
font-size: 14px;
resize: vertical;
background: white;
}
.controls {
display: flex;
gap: 1rem;
justify-content: center;
margin: 1.5rem 0;
}
.btn {
padding: 0.8rem 1.5rem;
border: none;
border-radius: 4px;
cursor: pointer;
transition: all 0.2s;
background-color: var(--primary-color);
color: white;
}
.btn:hover {
opacity: 0.9;
transform: translateY(-1px);
}
.result-container {
margin-top: 2rem;
background: white;
padding: 1.5rem;
border-radius: 6px;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
ins {
background-color: #e8f5e9;
color: var(--ins-color);
text-decoration: none;
padding: 2px 4px;
border-radius: 3px;
}
del {
background-color: #ffebee;
color: var(--del-color);
text-decoration: none;
padding: 2px 4px;
border-radius: 3px;
}
.github-corner {
position: absolute;
top: 0;
right: 0;
}
.github-corner:hover .octo-arm {
animation: octocat-wave 560ms ease-in-out;
}
@keyframes octocat-wave {
0%, 100% { transform: rotate(0); }
20%, 60% { transform: rotate(-25deg); }
40%, 80% { transform: rotate(10deg); }
}
@media (max-width: 768px) {
.diff-container {
grid-template-columns: 1fr;
}
.controls {
flex-direction: column;
}
.btn {
width: 100%;
}
}
.side-by-side {
display: flex;
justify-content: space-between;
gap: 1rem;
}
.side-by-side .version-container {
flex: 1;
display: flex;
flex-direction: column;
}
.side-by-side .version {
text-align: center;
font-weight: bold;
margin-bottom: 1rem;
}
.side-by-side .diff-content {
flex: 1;
padding: 1rem;
border: 1px solid var(--primary-color);
border-radius: 6px;
background: white;
overflow-x: auto;
}
/* 新增的样式 */
table {
width: 100%; /* 固定表格宽度 */
border-collapse: collapse; /* 合并表格边框 */
}
th, td {
border: 1px solid #ddd; /* 添加边框 */
padding: 8px; /* 添加内边距 */
color: black;
width: 150px; /* 设置文字颜色为黑色 */
}
th {
background-color: var(--primary-color); /* 设置表头背景颜色 */
color: white; /* 设置表头文字颜色 */
text-align: center; /* 设置表头文字居中 */
}
/* 覆盖表格中的 ins 和 del 样式 删除可高亮差异部分*/
table ins, table del {
background-color: transparent;
color: inherit;
text-decoration: none;
padding: 0;
border-radius: 0;
}
</style>
</head>
<body>
<div class="container">
<header class="header">
<h1>HTML 差异对比工具</h1>
</header>
<div class="diff-container">
<textarea
id="oldHtml"
placeholder="在此粘贴原始HTML内容..."
spellcheck="false"
><div>Hamlet: Do you see yonder cloud that's almost in shape of a camel?
<p>Polonius: By the mass, and 'tis like a camel, indeed.</p>
Hamlet: Methinks it is like a weasel.
Polonius: It is backed like a weasel.
Hamlet: Or like a whale?
Polonius: Very like a whale.
-- Shakespeare</div></textarea>
<textarea
id="newHtml"
placeholder="在此粘贴修改后的HTML内容..."
spellcheck="false"
><div>Hamlet: Do you see the cloud over there that's almost the shape of a camel?
<div>Polonius: By golly, it is like a camel, indeed.</div>
Hamlet: I think it looks like a weasel.
<p>Polonius: It is shaped like a weasel.</p> Hamlet: Or like a whale?
Polonius: It's totally like a whale.
-- Shakespeare
</div></textarea>
</div>
<div class="controls">
<button class="btn" data-mode="side">并排对比</button>
<button class="btn" data-mode="combined">合并显示</button>
<button class="btn" data-mode="added">增加部分</button>
<button class="btn" data-mode="removed">减少部分</button>
<button class="btn" data-mode="marked">多汁差异</button>
</div>
<div id="result" class="result-container"></div>
</div>
<a href="https://github.com/Hiroki-Sawada-y/HtmlDiff/" class="github-corner" aria-label="查看GitHub源码">
<svg width="80" height="80" viewBox="0 0 250 250" aria-hidden="true">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
<path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
fill="currentColor"
class="octo-arm"></path>
<path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
fill="currentColor"
class="octo-body"></path>
</svg>
</a>
<script src="lib/diff_match_patch.js"></script>
<script src="js/htmldiff.js"></script>
<script src="js/htmldiff2.js"></script>
<script>
class DiffTool {
constructor() {
this.oldHtmlElement = document.getElementById('oldHtml');
this.newHtmlElement = document.getElementById('newHtml');
this.resultElement = document.getElementById('result');
this.init();
}
init() {
this.setupEventListeners();
this.diffEngine = new HtmlDiff();
this.combinedDiffEngine = new HtmlDiff2();
}
setupEventListeners() {
document.querySelectorAll('.btn').forEach(btn => {
btn.addEventListener('click', () => this.handleDiff(btn.dataset.mode));
});
// 添加防抖处理
let timeout;
[this.oldHtmlElement, this.newHtmlElement].forEach(textarea => {
textarea.addEventListener('input', () => {
clearTimeout(timeout);
timeout = setTimeout(() => this.handleDiff('changes'), 500);
});
});
}
async handleDiff(mode) {
try {
const oldContent = this.oldHtmlElement.value;
const newContent = this.newHtmlElement.value;
let resultHTML = '';
switch(mode) {
case 'side':
resultHTML = this.generateSideBySideDiff(oldContent, newContent);
break;
case 'combined':
resultHTML = this.generateCombinedDiff(oldContent, newContent);
break;
case 'changes':
resultHTML = await this.generateChangesOnlyDiff(oldContent, newContent);
break;
case 'added':
resultHTML = this.generateAddedContent(oldContent, newContent);
break;
case 'removed':
resultHTML = this.generateRemovedContent(oldContent, newContent);
break;
case 'marked':
resultHTML = this.generateMarkedDiff(oldContent, newContent);
break;
}
this.resultElement.innerHTML = resultHTML;
this.highlightDifferences();
} catch (error) {
console.error('差异计算出错:', error);
this.resultElement.innerHTML = `<div class="error">错误: ${error.message}</div>`;
}
}
generateSideBySideDiff(oldContent, newContent) {
const { oldDiffHtml, newDiffHtml } = this.diffEngine.diff_launch(oldContent, newContent);
return `
<div class="side-by-side">
<div class="version-container">
<div class="version">原始版本</div>
<div class="diff-content">${oldDiffHtml}</div>
</div>
<div class="version-container">
<div class="version">修改版本</div>
<div class="diff-content">${newDiffHtml}</div>
</div>
</div>
`;
}
generateCombinedDiff(oldContent, newContent) {
const { diffHtml } = this.combinedDiffEngine.diff_launch(oldContent, newContent);
return `<div class="combined-diff">${diffHtml}</div>`;
}
generateAddedContent(oldContent, newContent) {
const { newDiffHtml } = this.diffEngine.diff_launch(oldContent, newContent);
const newDoc = new DOMParser().parseFromString(newDiffHtml, 'text/html');
const addedContent = Array.from(newDoc.querySelectorAll('ins'))
.map(el => this.cleanLine(el.outerHTML))
.join('<br>');
return `
<h3>增加部分</h3>
<div class="diff-content">${addedContent}</div>
`;
}
generateRemovedContent(oldContent, newContent) {
const { oldDiffHtml } = this.diffEngine.diff_launch(oldContent, newContent);
const oldDoc = new DOMParser().parseFromString(oldDiffHtml, 'text/html');
const removedContent = Array.from(oldDoc.querySelectorAll('del'))
.map(el => this.cleanLine(el.outerHTML))
.join('<br>');
return `
<h3>减少部分</h3>
<div class="diff-content">${removedContent}</div>
`;
}
/**
* 生成标记差异 HTML
*
* @param {string} oldContent - 原始内容
* @param {string} newContent - 新内容
*
* @return {string} 标记差异 HTML
*/
generateMarkedDiff(oldContent, newContent) {
// 生成差异 HTML
const { oldDiffHtml, newDiffHtml } = this.diffEngine.diff_launch(oldContent, newContent);
// 解析 HTML 字符串为文档对象
const oldDoc = new DOMParser().parseFromString(oldDiffHtml, 'text/html');
const newDoc = new DOMParser().parseFromString(newDiffHtml, 'text/html');
// 用于存储已标记的元素，避免重复
const markedElements = {};
// 处理增加的部分
const addedChanges = Array.from(newDoc.querySelectorAll('ins'))
.filter(el => el.textContent.trim().length > 1 || el.textContent.trim() === '✓') // 忽略单个字符的增加（除了✓）
.map(el => el.closest('tr, p, h1, h2,h3,span,div, li')) // 获取包含差异的最近的父元素
.filter(parent => {
const key = parent.outerHTML;
if (parent && parent.textContent.trim().includes('✓') && !markedElements[key] && key.includes('<tr>')) {
markedElements[key] = true; // 标记父元素
return true;
}
return false;
})
.map(parent => parent.outerHTML.replace("", "").replace(";","")) // 替换 为空格
.join(''); // 合并为字符串
// 处理减少的部分
const removedChanges = Array.from(newDoc.querySelectorAll('del'))
.filter(el => el.textContent.trim().length > 1 || el.textContent.trim() === '✓') // 忽略单个字符的增加（除了✓）
.map(el => el.closest('tr, p, h1, h2,h3,span,div, li')) // 获取包含差异的最近的父元素
.filter(parent => {
const key = parent.outerHTML;
if (parent && parent.textContent.trim().includes('✓') && !markedElements[key] && key.includes('<tr>')) {
markedElements[key] = true; // 标记父元素
return true;
}
return false;
})
.map(parent => parent.outerHTML.replace(";", '')) // 替换 为空格
.join(''); // 合并为字符串
/**
* 返回标记差异 HTML
*/
return `
<h3>标记差异</h3>
<h3>增加</h3>
<table width="100%" border="1" cellspacing="1" cellpadding="4" class="tabtop13" align="center">
<tr>
<td>新增功能</td>
<td>Guest</td>
<td>Reporter</td>
<td>Developer</td>
<td>Maintainer</td>
<td>Owner</td>
<td>备注</td>
</tr>
${addedChanges}
</table>
<h3>减少</h3>
<table width="100%" border="1" cellspacing="1" cellpadding="4" class="tabtop13" align="center">
<tr>
<td>减少功能</td>
<td>Guest</td>
<td>Reporter</td>
<td>Developer</td>
<td>Maintainer</td>
<td>Owner</td>
<td>备注</td>
</tr>
${removedChanges}
</table>
`;
}
cleanLine(html) {
const tempDiv = document.createElement('div');
tempDiv.innerHTML = html;
// 移除空标签
Array.from(tempDiv.querySelectorAll('ins, del')).forEach(el => {
if (!el.textContent.trim()) el.remove();
});
return tempDiv.innerHTML.replace(/(<br>){2,}/g, '<br>');
}
highlightDifferences() {
// 添加交互动画
document.querySelectorAll('ins, del').forEach(el => {
el.style.transition = 'all 0.3s';
el.addEventListener('mouseenter', () => {
el.style.transform = 'scale(1.02)';
el.style.boxShadow = '0 2px 4px rgba(0,0,0,0.1)';
});
el.addEventListener('mouseleave', () => {
el.style.transform = 'none';
el.style.boxShadow = 'none';
});
});
}
}
// 初始化工具
document.addEventListener('DOMContentLoaded', () => new DiffTool());
</script>
</body>
</html>