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xiaomai
2026-04-08 14:27:48 +08:00
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<!doctype html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
<meta
name="viewport"
content="width=device-width, initial-scale=1.0, maximum-scale=1.5, user-scalable=yes"
/>
<title>Diff Checker - macOS Glass</title>
<!-- Highlight.js 主题 (替换为 Xcode 风格) -->
<link
rel="stylesheet"
href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/xcode.min.css"
/>
<!-- Diff2Html 核心样式 -->
<link
rel="stylesheet"
href="https://cdn.jsdelivr.net/npm/diff2html@3.4.47/bundles/css/diff2html.min.css"
/>
<!-- 引入 Tailwind CSS -->
<script src="https://cdn.tailwindcss.com"></script>
<!-- 配置 Tailwind -->
<script>
tailwind.config = {
theme: {
extend: {
fontFamily: {
sans: [
"-apple-system",
"BlinkMacSystemFont",
'"SF Pro Text"',
'"Segoe UI"',
"Roboto",
"sans-serif",
],
mono: [
'"SF Mono"',
'"Menlo"',
'"Monaco"',
'"Courier New"',
"monospace",
],
},
animation: {
blob: "blob 10s infinite",
},
keyframes: {
blob: {
"0%": { transform: "translate(0px, 0px) scale(1)" },
"33%": { transform: "translate(30px, -50px) scale(1.1)" },
"66%": { transform: "translate(-20px, 20px) scale(0.9)" },
"100%": { transform: "translate(0px, 0px) scale(1)" },
},
},
},
},
};
</script>
<style type="text/tailwindcss">
@layer components {
/* 毛玻璃面板基础类 */
.glass-panel {
@apply bg-white/40 backdrop-blur-xl border border-white/60 shadow-[0_8px_32px_0_rgba(31,38,135,0.07)];
}
/* 毛玻璃输入框 */
.glass-input {
@apply bg-white/50 backdrop-blur-md border border-white/50 focus:bg-white/80 focus:border-white/80 focus:shadow-[0_0_0_4px_rgba(255,255,255,0.3)] transition-all duration-300 outline-none;
}
/* 毛玻璃按钮 */
.glass-btn {
@apply bg-white/50 backdrop-blur-md border border-white/60 text-slate-700 font-medium hover:bg-white/80 hover:shadow-sm hover:-translate-y-[0.5px] active:translate-y-[0.5px] transition-all duration-200;
}
/* 视图切换按钮激活状态 */
.view-option {
@apply px-4 py-1.5 rounded-lg text-sm font-medium text-slate-500 hover:text-slate-800 transition-all;
}
.view-option.active {
@apply bg-white/80 text-blue-600 shadow-sm border border-white/80;
}
}
/* ==========================================
覆盖 Diff2Html 样式，使其融入毛玻璃背景
========================================== */
.d2h-wrapper {
font-family: "SF Mono", Menlo, Monaco, monospace !important;
}
.d2h-file-header {
display: none !important;
}
.d2h-file-wrapper {
border: none !important;
background: transparent !important;
margin-bottom: 0 !important;
}
.d2h-code-line-ctn {
@apply font-mono text-[13px] !important;
color: #334155 !important;
}
/* 差异行背景色 (柔和的苹果风色彩) */
.d2h-ins {
background-color: rgba(52, 199, 89, 0.15) !important;
border-color: rgba(52, 199, 89, 0.3) !important;
}
.d2h-del {
background-color: rgba(255, 59, 48, 0.12) !important;
border-color: rgba(255, 59, 48, 0.3) !important;
}
/* 行号和空行区域透明化 */
.d2h-code-linenumber {
background-color: rgba(255, 255, 255, 0.3) !important;
border-color: rgba(255, 255, 255, 0.4) !important;
color: #94a3b8 !important;
}
.d2h-info {
background-color: rgba(255, 255, 255, 0.4) !important;
color: #64748b !important;
border-color: rgba(255, 255, 255, 0.5) !important;
}
.d2h-emptyplaceholder {
background-color: rgba(255, 255, 255, 0.2) !important;
border-color: rgba(255, 255, 255, 0.3) !important;
}
tbody {
border-color: rgba(255, 255, 255, 0.5) !important;
}
td {
border-color: rgba(255, 255, 255, 0.5) !important;
}
/* macOS 风格滚动条 */
::-webkit-scrollbar {
width: 10px;
height: 10px;
}
::-webkit-scrollbar-track {
background: transparent;
}
::-webkit-scrollbar-thumb {
background: rgba(0, 0, 0, 0.15);
border-radius: 10px;
border: 2px solid transparent;
background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
background: rgba(0, 0, 0, 0.25);
border: 2px solid transparent;
background-clip: padding-box;
}
/* 选中文本颜色 */
::selection {
background: rgba(10, 132, 255, 0.3);
}
</style>
</head>
<body
class="font-sans min-h-screen flex flex-col items-center p-4 md:p-8 text-slate-800 relative overflow-x-hidden selection:bg-blue-200"
>
<!-- 动态弥散渐变背景 (macOS Big Sur 风格) -->
<div class="fixed inset-0 z-[-1] bg-[#f4f7fb] overflow-hidden">
<div
class="absolute top-[-10%] left-[-10%] w-[40rem] h-[40rem] bg-purple-300/60 rounded-full mix-blend-multiply filter blur-[100px] animate-blob"
></div>
<div
class="absolute top-[20%] right-[-10%] w-[35rem] h-[35rem] bg-blue-300/60 rounded-full mix-blend-multiply filter blur-[100px] animate-blob"
style="animation-delay: 2s"
></div>
<div
class="absolute bottom-[-20%] left-[20%] w-[45rem] h-[45rem] bg-pink-300/60 rounded-full mix-blend-multiply filter blur-[100px] animate-blob"
style="animation-delay: 4s"
></div>
<div
class="absolute bottom-[10%] right-[20%] w-[30rem] h-[30rem] bg-teal-200/60 rounded-full mix-blend-multiply filter blur-[100px] animate-blob"
style="animation-delay: 6s"
></div>
</div>
<!-- 主窗口 -->
<div
class="max-w-[1600px] w-full glass-panel rounded-[2rem] p-2 flex flex-col"
>
<!-- macOS 标题栏 -->
<div
class="flex items-center justify-between px-4 py-3 border-b border-white/40"
>
<!-- 红黄绿按钮 -->
<div class="flex gap-2 w-20">
<div
class="w-3.5 h-3.5 rounded-full bg-[#FF5F56] border border-[#E0443E] shadow-inner"
></div>
<div
class="w-3.5 h-3.5 rounded-full bg-[#FFBD2E] border border-[#DEA123] shadow-inner"
></div>
<div
class="w-3.5 h-3.5 rounded-full bg-[#27C93F] border border-[#1AAB29] shadow-inner"
></div>
</div>
<!-- 标题 -->
<h1
class="font-semibold text-slate-700 text-sm tracking-wide flex-1 text-center flex items-center justify-center gap-2"
>
<svg
class="w-4 h-4 text-slate-500"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z"
></path>
</svg>
Diff Checker
</h1>
<div class="w-20"></div>
<!-- 占位，保持标题居中 -->
</div>
<div class="p-4 md:p-6 flex-1 flex flex-col gap-6">
<!-- 双栏输入区 -->
<div class="flex flex-col lg:flex-row gap-6">
<!-- 左侧面板 -->
<div class="flex-1 flex flex-col gap-2">
<div class="flex items-center justify-between px-2">
<label
class="text-sm font-semibold text-slate-600 flex items-center gap-2"
>
<span class="w-2 h-2 rounded-full bg-slate-400"></span>
Original File
</label>
<button
id="clearLeftBtn"
class="text-xs font-medium text-slate-400 hover:text-slate-700 transition-colors"
>
Clear
</button>
</div>
<textarea
id="leftTextarea"
class="glass-input w-full flex-1 min-h-[260px] h-[300px] p-5 rounded-2xl font-mono text-[13px] leading-relaxed resize-y text-slate-700 placeholder:text-slate-400"
spellcheck="false"
>
function hello() {
console.log("Hello World");
return "Hi";
}</textarea
>
</div>
<!-- 右侧面板 -->
<div class="flex-1 flex flex-col gap-2">
<div class="flex items-center justify-between px-2">
<label
class="text-sm font-semibold text-slate-600 flex items-center gap-2"
>
<span class="w-2 h-2 rounded-full bg-blue-400"></span>
Modified File
</label>
<button
id="clearRightBtn"
class="text-xs font-medium text-slate-400 hover:text-slate-700 transition-colors"
>
Clear
</button>
</div>
<textarea
id="rightTextarea"
class="glass-input w-full flex-1 min-h-[260px] h-[300px] p-5 rounded-2xl font-mono text-[13px] leading-relaxed resize-y text-slate-700 placeholder:text-slate-400"
spellcheck="false"
>
function hello() {
console.log("Hello, Diff Checker!");
return "Hey there";
}</textarea
>
</div>
</div>
<!-- 工具栏 -->
<div
class="glass-panel rounded-2xl p-3 flex flex-wrap items-center justify-between gap-4"
>
<div class="flex flex-wrap items-center gap-4">
<!-- 语言选择 -->
<div
class="flex items-center gap-2 bg-white/40 px-3 py-1.5 rounded-xl border border-white/50"
>
<svg
class="w-4 h-4 text-slate-500"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M10 20l4-16m4 4l4 4-4 4M6 16l-4-4 4-4"
></path>
</svg>
<select
id="languageSelect"
class="bg-transparent text-sm font-medium text-slate-700 outline-none cursor-pointer appearance-none pr-4"
>
<option value="javascript" selected>JavaScript</option>
<option value="typescript">TypeScript</option>
<option value="html">HTML</option>
<option value="css">CSS</option>
<option value="json">JSON</option>
<option value="python">Python</option>
<option value="java">Java</option>
<option value="cpp">C++</option>
<option value="plaintext">Plain Text</option>
</select>
</div>
<!-- 视图切换 -->
<div
class="flex items-center bg-white/40 p-1 rounded-xl border border-white/50"
id="viewToggle"
>
<button class="view-option active" data-view="side-by-side">
Split
</button>
<button class="view-option" data-view="line-by-line">
Unified
</button>
</div>
</div>
<!-- 操作按钮 -->
<div class="flex gap-3 flex-wrap">
<button
id="swapBtn"
class="glass-btn px-5 py-2 rounded-xl text-sm flex items-center gap-2"
>
<svg
class="w-4 h-4"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M8 7h12m0 0l-4-4m4 4l-4 4m0 6H4m0 0l4 4m-4-4l4-4"
></path>
</svg>
Swap
</button>
<button
id="exampleBtn"
class="glass-btn px-5 py-2 rounded-xl text-sm"
>
Demo
</button>
<button
id="compareBtn"
class="bg-blue-500 hover:bg-blue-600 text-white shadow-[0_4px_14px_0_rgba(59,130,246,0.39)] hover:shadow-[0_6px_20px_rgba(59,130,246,0.23)] px-6 py-2 rounded-xl text-sm font-medium transition-all duration-200 hover:-translate-y-[0.5px] active:translate-y-[0.5px] flex items-center gap-2 border border-blue-400/50"
>
<svg
class="w-4 h-4"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"
></path>
</svg>
Compare
</button>
</div>
</div>
<!-- 差异结果区域 -->
<div class="glass-input rounded-2xl flex flex-col overflow-hidden">
<div
class="px-5 py-3 border-b border-white/50 flex items-center justify-between bg-white/30"
>
<span class="text-sm font-semibold text-slate-700"
>Diff Output</span
>
<span
id="diffStats"
class="text-xs font-medium text-slate-500 bg-white/50 px-3 py-1 rounded-full border border-white/60"
></span>
</div>
<div id="diff-output" class="overflow-x-auto min-h-[150px]">
<div class="p-12 text-center text-slate-400 text-sm">
Ready to compare files.
</div>
</div>
</div>
</div>
</div>
<!-- 依赖库 -->
<script src="https://cdn.jsdelivr.net/npm/diff@5.1.0/dist/diff.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/diff2html@3.4.47/bundles/js/diff2html.min.js"></script>
<!-- 核心逻辑 -->
<script>
(function () {
"use strict";
const leftTextarea = document.getElementById("leftTextarea");
const rightTextarea = document.getElementById("rightTextarea");
const compareBtn = document.getElementById("compareBtn");
const swapBtn = document.getElementById("swapBtn");
const exampleBtn = document.getElementById("exampleBtn");
const clearLeftBtn = document.getElementById("clearLeftBtn");
const clearRightBtn = document.getElementById("clearRightBtn");
const languageSelect = document.getElementById("languageSelect");
const diffOutput = document.getElementById("diff-output");
const diffStats = document.getElementById("diffStats");
const viewOptions = document.querySelectorAll(".view-option");
let currentView = "side-by-side";
function getSelectedLanguage() {
return languageSelect.value;
}
function getHighlightConfig() {
const lang = getSelectedLanguage();
if (lang === "plaintext") return false;
return { enabled: true, language: lang };
}
function generateUnifiedDiff(original, modified) {
return Diff.createTwoFilesPatch(
"Original",
"Modified",
original || "",
modified || "",
"",
"",
{ context: 4 },
);
}
function renderDiff() {
const leftText = leftTextarea.value;
const rightText = rightTextarea.value;
let diffString;
try {
diffString = generateUnifiedDiff(leftText, rightText);
} catch (e) {
diffOutput.innerHTML = `<div class="p-12 text-center text-red-500 text-sm">Error: ${e.message}</div>`;
diffStats.textContent = "Error";
return;
}
const configuration = {
drawFileList: false,
matching: "lines",
outputFormat: currentView,
highlight: getHighlightConfig(),
renderNothingWhenEmpty: false,
};
let diffHtml = "";
try {
diffHtml = Diff2Html.html(diffString, configuration);
} catch (e) {
diffOutput.innerHTML = `<div class="p-12 text-center text-red-500 text-sm">Render Failed</div>`;
diffStats.textContent = "Error";
return;
}
diffOutput.innerHTML = diffHtml;
const selectedLang = getSelectedLanguage();
if (selectedLang !== "plaintext") {
const codeBlocks = diffOutput.querySelectorAll("code");
if (codeBlocks.length > 0 && window.hljs) {
codeBlocks.forEach((block) => {
block.classList.forEach((cls) => {
if (cls.startsWith("language-")) block.classList.remove(cls);
});
block.classList.add(`language-${selectedLang}`);
if (block.dataset.highlighted) {
delete block.dataset.highlighted;
}
try {
hljs.highlightElement(block);
} catch (e) {}
});
}
}
const addedLines = diffOutput.querySelectorAll(".d2h-ins").length;
const deletedLines = diffOutput.querySelectorAll(".d2h-del").length;
if (addedLines === 0 && deletedLines === 0) {
diffStats.innerHTML = "No Changes";
} else {
diffStats.innerHTML = `<span class='text-green-600'>+${addedLines}</span> &nbsp;|&nbsp; <span class='text-red-500'>-${deletedLines}</span>`;
}
if (!diffHtml.trim() || diffOutput.innerText.trim() === "") {
diffOutput.innerHTML =
'<div class="p-12 text-center text-slate-400 text-sm">Files are identical.</div>';
diffStats.innerHTML = "Identical";
}
}
function setActiveView(view) {
currentView = view;
viewOptions.forEach((btn) => {
const val = btn.getAttribute("data-view");
if (val === view) {
btn.classList.add("active");
} else {
btn.classList.remove("active");
}
});
if (
diffOutput.querySelector(".d2h-wrapper") ||
diffOutput.children.length > 0
) {
renderDiff();
}
}
function loadExample() {
leftTextarea.value = `function hello() {\n console.log("Hello World");\n return "Hi";\n}`;
rightTextarea.value = `function hello() {\n console.log("Hello, Diff Checker!");\n return "Hey there";\n}`;
languageSelect.value = "javascript";
renderDiff();
}
function swapTexts() {
const temp = leftTextarea.value;
leftTextarea.value = rightTextarea.value;
rightTextarea.value = temp;
renderDiff();
}
function clearLeft() {
leftTextarea.value = "";
renderDiff();
}
function clearRight() {
rightTextarea.value = "";
renderDiff();
}
compareBtn.addEventListener("click", renderDiff);
swapBtn.addEventListener("click", swapTexts);
exampleBtn.addEventListener("click", loadExample);
clearLeftBtn.addEventListener("click", clearLeft);
clearRightBtn.addEventListener("click", clearRight);
languageSelect.addEventListener("change", () => {
if (
diffOutput.querySelector(".d2h-wrapper") ||
diffOutput.children.length > 0
)
renderDiff();
});
viewOptions.forEach((btn) => {
btn.addEventListener("click", (e) => {
setActiveView(e.currentTarget.getAttribute("data-view"));
});
});
document.addEventListener("keydown", (e) => {
if ((e.ctrlKey || e.metaKey) && e.key === "Enter") {
e.preventDefault();
renderDiff();
}
});
window.addEventListener("DOMContentLoaded", renderDiff);
})();
</script>
</body>
</html>