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tool-box/tools/excel-to-markdown/index.html
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2026-06-01 15:35:16 +00:00

441 lines
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HTML

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Excel → Markdown 转换器</title>
<style>
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--bg: #0f0f0f;
--surface: #1a1a1a;
--surface2: #252525;
--border: #333;
--text: #e0e0e0;
--text-dim: #888;
--accent: #3b82f6;
--accent-hover: #60a5fa;
--success: #22c55e;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
background: var(--bg);
color: var(--text);
height: 100vh;
display: flex;
flex-direction: column;
}
header {
padding: 14px 24px;
border-bottom: 1px solid var(--border);
display: flex;
align-items: center;
gap: 12px;
background: var(--surface);
}
header h1 {
font-size: 16px;
font-weight: 600;
color: var(--text);
}
header p {
font-size: 13px;
color: var(--text-dim);
}
.toolbar {
margin-left: auto;
display: flex;
gap: 8px;
}
.btn {
padding: 6px 14px;
border-radius: 6px;
border: none;
font-size: 13px;
font-weight: 500;
cursor: pointer;
transition: all 0.15s;
}
.btn-primary {
background: var(--accent);
color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost {
background: transparent;
color: var(--text-dim);
border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface2); color: var(--text); }
main {
flex: 1;
display: grid;
grid-template-columns: 1fr 1fr;
gap: 0;
overflow: hidden;
}
.panel {
display: flex;
flex-direction: column;
overflow: hidden;
}
.panel-left {
border-right: 1px solid var(--border);
}
.panel-header {
padding: 10px 16px;
background: var(--surface);
border-bottom: 1px solid var(--border);
font-size: 12px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.05em;
color: var(--text-dim);
display: flex;
align-items: center;
gap: 8px;
}
.panel-header .dot {
width: 6px; height: 6px;
border-radius: 50%;
background: var(--accent);
}
textarea {
flex: 1;
background: var(--surface);
color: var(--text);
border: none;
outline: none;
resize: none;
padding: 16px;
font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
font-size: 13px;
line-height: 1.6;
}
textarea::placeholder { color: var(--text-dim); }
.panel-right {
background: var(--surface);
}
.output-wrap {
flex: 1;
overflow-y: auto;
padding: 16px;
}
#output {
font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
font-size: 13px;
line-height: 1.7;
white-space: pre-wrap;
word-break: break-word;
}
.preview-toggle {
display: flex;
gap: 4px;
}
.preview-toggle button {
padding: 4px 10px;
border-radius: 4px;
border: 1px solid var(--border);
background: transparent;
color: var(--text-dim);
font-size: 12px;
cursor: pointer;
}
.preview-toggle button.active {
background: var(--accent);
color: #fff;
border-color: var(--accent);
}
.md-preview {
display: none;
}
.md-preview.active { display: block; }
table.md-table {
border-collapse: collapse;
width: 100%;
font-size: 13px;
}
table.md-table th,
table.md-table td {
border: 1px solid var(--border);
padding: 6px 12px;
text-align: left;
}
table.md-table th {
background: var(--surface2);
font-weight: 600;
}
table.md-table tr:nth-child(even) td {
background: var(--bg);
}
.status {
font-size: 11px;
color: var(--text-dim);
margin-left: auto;
}
.status.success { color: var(--success); }
</style>
</head>
<body>
<header>
<div>
<h1>Excel → Markdown 转换器</h1>
<p>粘贴 Excel 表格内容,自动生成 Markdown 表格</p>
</div>
<div class="toolbar">
<div class="preview-toggle">
<button id="btn-markdown" class="active">Markdown</button>
<button id="btn-preview">预览</button>
</div>
<button class="btn btn-ghost" id="btn-copy">复制 Markdown</button>
<button class="btn btn-primary" id="btn-convert">转换</button>
</div>
</header>
<main>
<div class="panel panel-left">
<div class="panel-header">
<span class="dot"></span>
Excel / CSV 内容
<span class="status" id="status-left"></span>
</div>
<textarea
id="input"
placeholder="在这里粘贴 Excel 表格内容(支持从 Excel、Numbers、Google Sheets 直接粘贴)
💡 粘贴后会自动转换,也可以点击「转换」按钮手动触发"
></textarea>
</div>
<div class="panel panel-right">
<div class="panel-header">
<span class="dot" style="background: var(--success)"></span>
Markdown 输出
<span class="status" id="status-right"></span>
</div>
<div class="output-wrap">
<div id="output-raw" class="md-preview"></div>
<div id="output" class="md-preview active"></div>
</div>
</div>
</main>
<script>
const $ = id => document.getElementById(id);
const input = $('input');
const outputRaw = $('output-raw');
const output = $('output');
const statusLeft = $('status-left');
const statusRight = $('status-right');
let convertMode = 'markdown'; // 'markdown' or 'preview'
function excelToMarkdown(text) {
const lines = text.trim().split('\n');
if (lines.length === 0) return '';
const rows = lines.map(line => {
// Split by tab, handling quoted fields
const cells = [];
let current = '';
let inQuotes = false;
for (let i = 0; i < line.length; i++) {
const ch = line[i];
if (ch === '"') {
inQuotes = !inQuotes;
} else if (ch === '\t' && !inQuotes) {
cells.push(current.trim());
current = '';
} else {
current += ch;
}
}
cells.push(current.trim());
return cells;
});
if (rows.length === 0) return '';
// Detect delimiter: try tab first, fall back to comma or semicolon
const firstRow = rows[0];
const allTabs = rows.every(r => r.length === firstRow.length && firstRow.every(c => c.includes('\t') || c.trim() === ''));
// Normalize: handle if the split by tab didn't work well
// Fallback: split by comma if no tabs found
const normalizedRows = firstRow.length <= 1 && lines[0].includes(',')
? lines.map(line => line.split(',').map(c => c.trim().replace(/^"|"$/g, '')))
: rows;
const colCount = normalizedRows[0].length;
const justified = normalizedRows.map(row => {
while (row.length < colCount) row.push('');
return row.slice(0, colCount);
});
// Build markdown
const header = justified[0];
const separator = header.map(() => '---');
const mdRows = [header, separator, ...justified.slice(1)];
// Find max width per column
const colWidths = [];
for (let c = 0; c < colCount; c++) {
let max = 0;
for (let r = 0; r < mdRows.length; r++) {
const cell = mdRows[r][c] || '';
const len = cell.replace(/\|/g, '\\|').length;
if (len > max) max = len;
}
colWidths.push(max);
}
// Build the table string
const separatorRow = '| ' + colWidths.map(w => '-'.repeat(w)).join(' | ') + ' |';
const lines_out = mdRows.map((row, ri) => {
const cells = row.map((cell, ci) => {
const cleaned = cell.replace(/\|/g, '\\|');
const padded = ri === 1 ? separatorRow : (cleaned + ' '.repeat(colWidths[ci] - cleaned.replace(/\|/g, '\\|').length));
return padded;
});
return '| ' + cells.join(' | ') + ' |';
});
return lines_out.join('\n');
}
function renderMarkdownTable(markdown) {
const lines = markdown.split('\n').filter(l => l.trim());
if (lines.length < 2) return markdown;
// Simple markdown table renderer
const rows = [];
let header = [];
let inBody = false;
for (const line of lines) {
if (line.startsWith('|') && line.endsWith('|')) {
const cells = line.split('|').slice(1, -1).map(c => c.trim());
if (cells.every(c => c.match(/^-+$/))) {
inBody = true;
continue;
}
if (!inBody) {
header = cells;
} else {
rows.push(cells);
}
}
}
if (header.length === 0) return markdown;
let html = '<table class="md-table"><thead><tr>';
header.forEach(h => html += `<th>${escapeHtml(h)}</th>`);
html += '</tr></thead><tbody>';
rows.forEach(row => {
html += '<tr>';
row.forEach(cell => html += `<td>${escapeHtml(cell)}</td>`);
html += '</tr>';
});
html += '</tbody></table>';
return html;
}
function escapeHtml(str) {
return str.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;');
}
function convert() {
const text = input.value;
if (!text.trim()) {
output.textContent = '';
outputRaw.textContent = '';
statusRight.textContent = '';
return;
}
const markdown = excelToMarkdown(text);
outputRaw.textContent = markdown;
output.innerHTML = renderMarkdownTable(markdown);
statusRight.textContent = '已转换';
statusRight.className = 'status success';
setTimeout(() => { statusRight.textContent = ''; statusRight.className = 'status'; }, 2000);
}
// Auto-convert on paste
input.addEventListener('input', () => {
statusLeft.textContent = input.value.split('\n').length + ' 行';
convert();
});
// Manual convert
$('btn-convert').addEventListener('click', convert);
// Copy
$('btn-copy').addEventListener('click', () => {
const text = outputRaw.textContent || output.textContent;
if (!text) return;
navigator.clipboard.writeText(text).then(() => {
const btn = $('btn-copy');
const orig = btn.textContent;
btn.textContent = '已复制!';
setTimeout(() => btn.textContent = orig, 1500);
});
});
// Toggle preview
$('btn-markdown').addEventListener('click', () => {
convertMode = 'markdown';
$('btn-markdown').classList.add('active');
$('btn-preview').classList.remove('active');
outputRaw.classList.add('active');
output.classList.remove('active');
});
$('btn-preview').addEventListener('click', () => {
convertMode = 'preview';
$('btn-preview').classList.add('active');
$('btn-markdown').classList.remove('active');
output.classList.add('active');
outputRaw.classList.remove('active');
});
</script>
</body>
</html>