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<!DOCTYPE html>
<html lang="zh-CN" class="scroll-smooth">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Markdown Merge Tool</title>
<!-- TailwindCSS CDN -->
<script src="https://cdn.tailwindcss.com"></script>
<!-- Font Awesome CDN -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css" integrity="sha512-DTOQO9RWCH3ppGqcWaEA1BIZOC6xxalwEsw9c2QQeAIftl+Vegovlnee1c9QX4TctnWMn13TZye+giMm8e2LwA==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<style>
/* 自定义滚动条样式 (可选) */
::-webkit-scrollbar {
width: 8px;
}
::-webkit-scrollbar-track {
background: #f1f1f1;
border-radius: 10px;
}
::-webkit-scrollbar-thumb {
background: #888;
border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
background: #555;
}
.dark ::-webkit-scrollbar-track {
background: #2d3748;
}
.dark ::-webkit-scrollbar-thumb {
background: #718096;
}
.dark ::-webkit-scrollbar-thumb:hover {
background: #a0aec0;
}
/* 文件项拖拽时的占位符样式 */
.drag-placeholder {
background-color: #e0e7ff;
border: 2px dashed #a5b4fc;
opacity: 0.7;
list-style-type: none;
}
.dark .drag-placeholder {
background-color: #3730a3;
border-color: #6366f1;
}
/* 拖拽时原始元素的样式 */
.dragging {
opacity: 0.5;
}
/* 按钮悬停效果 */
.btn-hover-effect {
transition: transform 0.2s ease-in-out, background-color 0.2s ease-in-out;
}
.btn-hover-effect:hover {
transform: scale(1.05);
}
/* 拖拽区域高亮 */
.drag-over {
background-color: #f0f9ff;
border-color: #0ea5e9;
}
.dark .drag-over {
background-color: #1e293b;
border-color: #38bdf8;
}
</style>
</head>
<body class="bg-slate-50 dark:bg-slate-900 text-slate-800 dark:text-slate-200 min-h-screen flex flex-col font-sans antialiased">
<!-- 顶部区域: 产品名称和描述 -->
<header class="py-8 sm:py-8 text-center shadow-md bg-white dark:bg-slate-800">
<div class="container mx-auto px-4">
<h1 class="text-4xl sm:text-5xl font-bold text-indigo-600 dark:text-indigo-400">Markdown Merge</h1>
<p class="mt-3 text-lg sm:text-xl text-slate-600 dark:text-slate-300">合并多个 Markdown 文件并一键下载</p>
</div>
</header>
<!-- 中部区域: 操作区域 -->
<main class="flex-grow container mx-auto px-4 py-8 sm:py-12">
<div class="bg-white dark:bg-slate-800 p-6 sm:p-8 rounded-xl shadow-xl max-w-3xl mx-auto">
<!-- 文件上传区域 -->
<div>
<label for="file-upload" class="block text-lg font-medium text-slate-700 dark:text-slate-200 mb-2">
<i class="fas fa-cloud-upload-alt mr-2 text-indigo-500 dark:text-indigo-400"></i>上传 Markdown 文件
</label>
<div id="drop-zone" class="mt-2 flex justify-center px-6 pt-8 pb-8 border-2 border-slate-300 dark:border-slate-600 border-dashed rounded-md cursor-pointer hover:border-indigo-500 dark:hover:border-indigo-400 transition-colors">
<div class="space-y-1 text-center">
<svg class="mx-auto h-12 w-12 text-slate-400 dark:text-slate-500" stroke="currentColor" fill="none" viewBox="0 0 48 48" aria-hidden="true">
<path d="M28 8H12a4 4 0 00-4 4v20m32-12v8m0 0v8a4 4 0 01-4 4H12a4 4 0 01-4-4v-4m32-4l-3.172-3.172a4 4 0 00-5.656 0L28 28M8 32l9.172-9.172a4 4 0 015.656 0L28 28m0 0l4 4m4-24h8m-4-4v8m-12 4h.02" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
</svg>
<div class="flex text-sm text-slate-600 dark:text-slate-400">
<p class="pl-1">点击此处上传，或将文件拖拽到这里</p>
</div>
<p class="text-xs text-slate-500 dark:text-slate-500">仅支持 .md 文件，最多上传 <span id="max-files-display">30</span> 个</p>
</div>
<input id="file-upload" name="file-upload" type="file" class="sr-only" multiple accept=".md">
</div>
</div>
<!-- 已上传文件列表 -->
<div id="file-list-container" class="mt-6 hidden">
<h3 class="text-md font-medium text-slate-700 dark:text-slate-200 mb-3">已选文件 (可拖拽排序):</h3>
<ul id="file-list" class="space-y-2">
<!-- 文件项将通过 JavaScript 添加到这里 -->
</ul>
<p id="file-count-error" class="text-sm text-red-500 mt-2 hidden">文件数量已达上限 (<span id="max-files-error-display">30</span>个)。</p>
</div>
<!-- 操作按钮 -->
<div class="mt-8 text-center">
<button id="merge-button" type="button" class="w-full sm:w-auto inline-flex items-center justify-center px-8 py-3 border border-transparent text-base font-medium rounded-md shadow-sm text-white bg-indigo-600 hover:bg-indigo-700 dark:bg-indigo-500 dark:hover:bg-indigo-600 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 dark:focus:ring-offset-slate-800 btn-hover-effect disabled:opacity-50 disabled:cursor-not-allowed" disabled>
<i class="fas fa-compress-arrows-alt mr-2"></i>合并文件并下载
</button>
</div>
</div>
<!-- 提示信息 -->
<div id="toast-container" class="fixed bottom-5 right-5 space-y-2 z-50">
<!-- 提示信息会在这里显示 -->
</div>
</main>
<!-- 底部区域: 二维码和作者信息 -->
<footer class="py-4 text-center bg-white dark:bg-slate-800 border-t border-slate-200 dark:border-slate-700">
<div class="container mx-auto px-4">
<p class="text-sm text-slate-600 dark:text-slate-400 mb-2">
本工具完全由 AI 驱动 © <span id="current-year"></span>
</p>
<!-- 二维码 -->
<img src="https://tncache1-f1.v3mh.com/image/2025/04/12/9f5de5ec8b3c5910182bbf9229fb3159.jpg" alt="二维码" class="mx-auto rounded-lg shadow-md w-24 h-24 sm:w-32 sm:h-32">
<p class="text-xs text-slate-500 dark:text-slate-500 mt-2">如有疑问请扫描二维码</p>
</div>
</footer>
<script>
// DOM Elements
const fileUploadInput = document.getElementById('file-upload');
const dropZone = document.getElementById('drop-zone');
const fileListContainer = document.getElementById('file-list-container');
const fileListElement = document.getElementById('file-list');
const mergeButton = document.getElementById('merge-button');
const fileCountError = document.getElementById('file-count-error');
const toastContainer = document.getElementById('toast-container');
document.getElementById('current-year').textContent = new Date().getFullYear();
let uploadedFiles = []; // 存储 File 对象
const MAX_FILES = 30;
document.getElementById('max-files-display').textContent = MAX_FILES;
document.getElementById('max-files-error-display').textContent = MAX_FILES;
// 拖拽区域事件处理
dropZone.addEventListener('click', () => fileUploadInput.click());
dropZone.addEventListener('dragover', (event) => {
event.preventDefault();
dropZone.classList.add('border-indigo-500', 'dark:border-indigo-400');
});
dropZone.addEventListener('dragleave', () => {
dropZone.classList.remove('border-indigo-500', 'dark:border-indigo-400');
});
dropZone.addEventListener('drop', (event) => {
event.preventDefault();
dropZone.classList.remove('border-indigo-500', 'dark:border-indigo-400');
const files = event.dataTransfer.files;
handleFiles(files);
});
fileUploadInput.addEventListener('change', (event) => {
const files = event.target.files;
handleFiles(files);
fileUploadInput.value = '';
});
// 处理文件
function handleFiles(files) {
const newFiles = Array.from(files).filter(file => file.name.endsWith('.md'));
if (newFiles.length === 0 && files.length > 0) {
showToast('仅支持 .md 格式的文件。', 'error');
return;
}
if (uploadedFiles.length + newFiles.length > MAX_FILES) {
showToast(`最多只能上传 ${MAX_FILES} 个文件。`, 'error');
fileCountError.classList.remove('hidden');
}
const filesToAdd = newFiles.slice(0, MAX_FILES - uploadedFiles.length);
uploadedFiles.push(...filesToAdd);
renderFileList();
updateMergeButtonState();
}
// 渲染文件列表
function renderFileList() {
fileListElement.innerHTML = '';
if (uploadedFiles.length > 0) {
fileListContainer.classList.remove('hidden');
} else {
fileListContainer.classList.add('hidden');
}
uploadedFiles.forEach((file, index) => {
const listItem = document.createElement('li');
listItem.className = 'flex items-center justify-between p-3 bg-slate-100 dark:bg-slate-700 rounded-md shadow-sm cursor-move';
listItem.setAttribute('draggable', true);
listItem.dataset.index = index;
const fileInfo = document.createElement('span');
fileInfo.className = 'text-sm text-slate-700 dark:text-slate-200 truncate pointer-events-none';
const dragIcon = document.createElement('i');
dragIcon.className = 'fas fa-grip-vertical mr-2 text-slate-400 dark:text-slate-500';
const fileName = document.createElement('span');
fileName.textContent = file.name;
fileInfo.appendChild(dragIcon);
fileInfo.appendChild(fileName);
const removeButton = document.createElement('button');
removeButton.className = 'ml-4 text-red-500 hover:text-red-700 dark:text-red-400 dark:hover:text-red-600 transition-colors';
removeButton.innerHTML = '<i class="fas fa-trash-alt"></i>';
removeButton.setAttribute('aria-label', `移除 ${file.name}`);
removeButton.onclick = (e) => {
e.stopPropagation();
removeFile(index);
};
listItem.appendChild(fileInfo);
listItem.appendChild(removeButton);
fileListElement.appendChild(listItem);
});
if (uploadedFiles.length >= MAX_FILES) {
fileCountError.classList.remove('hidden');
} else {
fileCountError.classList.add('hidden');
}
setupDragAndDrop();
}
// 移除文件
function removeFile(indexToRemove) {
uploadedFiles.splice(indexToRemove, 1);
renderFileList();
updateMergeButtonState();
}
// 更新合并按钮状态
function updateMergeButtonState() {
mergeButton.disabled = uploadedFiles.length === 0;
}
// 合并文件并下载
mergeButton.addEventListener('click', async () => {
if (uploadedFiles.length === 0) {
showToast('请先上传要合并的文件。', 'warning');
return;
}
mergeButton.disabled = true;
mergeButton.innerHTML = '<i class="fas fa-spinner fa-spin mr-2"></i>正在合并...';
try {
const fileContents = await Promise.all(
uploadedFiles.map(file => readFileContent(file))
);
const mergedContent = fileContents.join('\n\n<!-- 文件分隔符 -->\n\n');
const blob = new Blob([mergedContent], { type: 'text/markdown;charset=utf-8' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = `merged_markdown_${new Date().toISOString().slice(0,10)}.md`;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
showToast('文件合并成功并已开始下载！', 'success');
} catch (error) {
console.error('合并文件时出错:', error);
showToast('合并文件失败，请检查控制台获取更多信息。', 'error');
} finally {
mergeButton.disabled = false;
mergeButton.innerHTML = '<i class="fas fa-compress-arrows-alt mr-2"></i>合并文件并下载';
}
});
// 读取文件内容
function readFileContent(file) {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = () => resolve(reader.result);
reader.onerror = () => reject(reader.error);
reader.readAsText(file);
});
}
// 拖拽排序逻辑
let draggedElement = null;
let draggedIndex = null;
function setupDragAndDrop() {
const items = fileListElement.querySelectorAll('li[draggable="true"]');
items.forEach(item => {
// 清除之前的事件监听器（如果有的话）
item.ondragstart = null;
item.ondragover = null;
item.ondragenter = null;
item.ondragleave = null;
item.ondragend = null;
item.ondrop = null;
// 重新绑定事件
item.addEventListener('dragstart', handleDragStart);
item.addEventListener('dragover', handleDragOver);
item.addEventListener('dragenter', handleDragEnter);
item.addEventListener('dragleave', handleDragLeave);
item.addEventListener('dragend', handleDragEnd);
item.addEventListener('drop', handleDrop);
});
}
function handleDragStart(e) {
draggedElement = this;
draggedIndex = parseInt(this.dataset.index);
this.classList.add('dragging');
// 设置拖拽数据
e.dataTransfer.effectAllowed = 'move';
e.dataTransfer.setData('text/html', '');
}
function handleDragOver(e) {
e.preventDefault();
e.dataTransfer.dropEffect = 'move';
if (this === draggedElement) return;
// 获取鼠标位置相对于当前元素的位置
const rect = this.getBoundingClientRect();
const midY = rect.top + rect.height / 2;
if (e.clientY < midY) {
// 插入到当前元素之前
this.parentNode.insertBefore(draggedElement, this);
} else {
// 插入到当前元素之后
this.parentNode.insertBefore(draggedElement, this.nextSibling);
}
}
function handleDragEnter(e) {
e.preventDefault();
if (this !== draggedElement) {
this.classList.add('drag-over');
}
}
function handleDragLeave(e) {
this.classList.remove('drag-over');
}
function handleDragEnd(e) {
this.classList.remove('dragging');
// 清除所有拖拽状态
const items = fileListElement.querySelectorAll('li');
items.forEach(item => {
item.classList.remove('drag-over');
});
// 获取新的排序
const newOrder = [];
const currentItems = fileListElement.querySelectorAll('li');
currentItems.forEach(item => {
const index = parseInt(item.dataset.index);
newOrder.push(uploadedFiles[index]);
});
// 更新文件数组
uploadedFiles = newOrder;
// 重新渲染列表以更新索引
renderFileList();
// 清除拖拽变量
draggedElement = null;
draggedIndex = null;
}
function handleDrop(e) {
e.preventDefault();
e.stopPropagation();
this.classList.remove('drag-over');
return false;
}
// 显示提示信息
function showToast(message, type = 'info') {
const toast = document.createElement('div');
let bgColor, textColor, iconClass;
switch (type) {
case 'success':
bgColor = 'bg-green-500 dark:bg-green-600';
textColor = 'text-white';
iconClass = 'fas fa-check-circle';
break;
case 'error':
bgColor = 'bg-red-500 dark:bg-red-600';
textColor = 'text-white';
iconClass = 'fas fa-exclamation-circle';
break;
case 'warning':
bgColor = 'bg-yellow-500 dark:bg-yellow-600';
textColor = 'text-white';
iconClass = 'fas fa-exclamation-triangle';
break;
default: // info
bgColor = 'bg-blue-500 dark:bg-blue-600';
textColor = 'text-white';
iconClass = 'fas fa-info-circle';
}
toast.className = `p-4 rounded-lg shadow-md flex items-center ${bgColor} ${textColor} transition-opacity duration-300`;
toast.innerHTML = `
<i class="${iconClass} mr-3 text-xl"></i>
<span>${message}</span>
`;
toastContainer.appendChild(toast);
setTimeout(() => {
toast.classList.add('opacity-0');
setTimeout(() => {
toast.remove();
}, 300);
}, 3000);
}
// 初始化
renderFileList();
updateMergeButtonState();
</script>
</body>
</html>