Update: support direct table paste from Excel
This commit is contained in:
+116
-390
@@ -3,439 +3,165 @@
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Excel → Markdown 转换器</title>
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<style>
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* { box-sizing: border-box; margin: 0; padding: 0; }
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:root {
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--bg: #0f0f0f;
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--surface: #1a1a1a;
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--surface2: #252525;
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--border: #333;
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--text: #e0e0e0;
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--text-dim: #888;
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--accent: #3b82f6;
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--accent-hover: #60a5fa;
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--success: #22c55e;
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<title>Excel 转 Markdown 表格</title>
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<script src="https://cdn.tailwindcss.com"></script>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
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<script>
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tailwind.config = {
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theme: {
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extend: {
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colors: {
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primary: '#165DFF',
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secondary: '#64748b',
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},
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
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background: var(--bg);
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color: var(--text);
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height: 100vh;
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display: flex;
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flex-direction: column;
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}
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header {
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padding: 14px 24px;
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border-bottom: 1px solid var(--border);
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display: flex;
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align-items: center;
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gap: 12px;
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background: var(--surface);
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}
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header h1 {
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font-size: 16px;
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font-weight: 600;
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color: var(--text);
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</script>
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<style type="text/tailwindcss">
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@layer utilities {
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.table-fixed-layout {
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table-layout: fixed;
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}
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header p {
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font-size: 13px;
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color: var(--text-dim);
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}
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.toolbar {
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margin-left: auto;
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display: flex;
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gap: 8px;
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}
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.btn {
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padding: 6px 14px;
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border-radius: 6px;
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border: none;
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font-size: 13px;
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font-weight: 500;
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cursor: pointer;
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transition: all 0.15s;
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}
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.btn-primary {
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background: var(--accent);
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color: #fff;
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}
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.btn-primary:hover { background: var(--accent-hover); }
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.btn-ghost {
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background: transparent;
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color: var(--text-dim);
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border: 1px solid var(--border);
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}
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.btn-ghost:hover { background: var(--surface2); color: var(--text); }
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main {
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flex: 1;
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 0;
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overflow: hidden;
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}
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.panel {
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display: flex;
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flex-direction: column;
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overflow: hidden;
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}
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.panel-left {
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border-right: 1px solid var(--border);
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}
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.panel-header {
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padding: 10px 16px;
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background: var(--surface);
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border-bottom: 1px solid var(--border);
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font-size: 12px;
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font-weight: 600;
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text-transform: uppercase;
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letter-spacing: 0.05em;
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color: var(--text-dim);
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.panel-header .dot {
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width: 6px; height: 6px;
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border-radius: 50%;
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background: var(--accent);
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}
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textarea {
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flex: 1;
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background: var(--surface);
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color: var(--text);
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border: none;
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outline: none;
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resize: none;
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padding: 16px;
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font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
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font-size: 13px;
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line-height: 1.6;
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}
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textarea::placeholder { color: var(--text-dim); }
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.panel-right {
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background: var(--surface);
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}
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.output-wrap {
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flex: 1;
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overflow-y: auto;
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padding: 16px;
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}
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#output {
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font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
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font-size: 13px;
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line-height: 1.7;
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white-space: pre-wrap;
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word-break: break-word;
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}
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.preview-toggle {
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display: flex;
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gap: 4px;
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}
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.preview-toggle button {
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padding: 4px 10px;
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border-radius: 4px;
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border: 1px solid var(--border);
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background: transparent;
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color: var(--text-dim);
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font-size: 12px;
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cursor: pointer;
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}
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.preview-toggle button.active {
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background: var(--accent);
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color: #fff;
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border-color: var(--accent);
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}
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.md-preview {
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display: none;
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}
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.md-preview.active { display: block; }
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table.md-table {
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.paste-area table {
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border-collapse: collapse;
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width: 100%;
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font-size: 13px;
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}
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table.md-table th,
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table.md-table td {
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border: 1px solid var(--border);
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padding: 6px 12px;
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text-align: left;
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.paste-area td, .paste-area th {
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border: 1px solid #cbd5e1;
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padding: 6px 10px;
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min-width: 80px;
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}
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table.md-table th {
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background: var(--surface2);
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font-weight: 600;
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.paste-area th {
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background-color: #f1f5f9;
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}
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table.md-table tr:nth-child(even) td {
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background: var(--bg);
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}
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.status {
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font-size: 11px;
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color: var(--text-dim);
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margin-left: auto;
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}
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.status.success { color: var(--success); }
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</style>
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</head>
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<body>
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<header>
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<div>
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<h1>Excel → Markdown 转换器</h1>
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<p>粘贴 Excel 表格内容，自动生成 Markdown 表格</p>
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</div>
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<div class="toolbar">
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<div class="preview-toggle">
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<button id="btn-markdown" class="active">Markdown</button>
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<button id="btn-preview">预览</button>
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</div>
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<button class="btn btn-ghost" id="btn-copy">复制 Markdown</button>
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<button class="btn btn-primary" id="btn-convert">转换</button>
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</div>
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<body class="bg-slate-50 min-h-screen">
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<div class="container mx-auto px-4 py-8 max-w-7xl">
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<header class="text-center mb-8">
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<h1 class="text-3xl font-bold text-slate-800 mb-2">
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<i class="fa-solid fa-table text-primary mr-2"></i>Excel → Markdown 表格转换
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</h1>
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<p class="text-secondary">直接粘贴 Excel / 网页表格，左侧实时预览，右侧自动生成 Markdown</p>
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</header>
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<main>
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<div class="panel panel-left">
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<div class="panel-header">
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<span class="dot"></span>
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Excel / CSV 内容
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<span class="status" id="status-left"></span>
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<div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
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<!-- 左侧：可粘贴表格区域 -->
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<div class="bg-white rounded-lg shadow p-5">
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<div class="flex justify-between items-center mb-3">
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<h2 class="text-xl font-semibold">表格预览</h2>
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<button id="clearLeft" class="px-3 py-1.5 bg-slate-200 rounded hover:bg-slate-300 transition">
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<i class="fa-solid fa-trash mr-1"></i>清空
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</button>
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</div>
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<div id="pasteArea" class="paste-area border border-slate-300 rounded p-3 h-[calc(100vh-240px)] overflow-auto bg-white">
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<div class="text-slate-400 text-center py-10">在此粘贴 Excel 或网页表格内容</div>
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</div>
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<textarea
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id="input"
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placeholder="在这里粘贴 Excel 表格内容（支持从 Excel、Numbers、Google Sheets 直接粘贴）
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💡 粘贴后会自动转换，也可以点击「转换」按钮手动触发"
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></textarea>
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</div>
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<div class="panel panel-right">
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<div class="panel-header">
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<span class="dot" style="background: var(--success)"></span>
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Markdown 输出
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<span class="status" id="status-right"></span>
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<!-- 右侧：Markdown 输出 -->
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<div class="bg-white rounded-lg shadow p-5">
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<div class="flex justify-between items-center mb-3">
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<h2 class="text-xl font-semibold">Markdown 输出</h2>
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<button id="copyMd" class="px-3 py-1.5 bg-primary text-white rounded hover:opacity-90 transition">
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<i class="fa-solid fa-copy mr-1"></i>复制
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</button>
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</div>
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<div class="output-wrap">
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<div id="output-raw" class="md-preview"></div>
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<div id="output" class="md-preview active"></div>
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<pre id="mdOutput" class="border border-slate-300 rounded p-3 h-[calc(100vh-240px)] overflow-auto bg-slate-50 whitespace-pre-wrap"></pre>
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</div>
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</div>
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<div class="mt-6 p-4 bg-white rounded shadow text-secondary">
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<h3 class="font-semibold mb-2"><i class="fa-solid fa-circle-info text-primary mr-1"></i>使用说明</h3>
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<ul class="list-disc pl-5 space-y-1">
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<li>直接复制 Excel 或网页里的表格，粘贴到左侧区域</li>
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<li>左侧会自动渲染成可视化表格，格式不会丢失</li>
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<li>右侧实时生成标准 Markdown 表格</li>
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<li>一键复制，可直接用于 Notion、GitHub、语雀、Obsidian</li>
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</ul>
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</div>
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</div>
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</main>
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<script>
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const $ = id => document.getElementById(id);
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const input = $('input');
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const outputRaw = $('output-raw');
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const output = $('output');
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const statusLeft = $('status-left');
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const statusRight = $('status-right');
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const pasteArea = document.getElementById('pasteArea');
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const mdOutput = document.getElementById('mdOutput');
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const clearLeft = document.getElementById('clearLeft');
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const copyMd = document.getElementById('copyMd');
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let convertMode = 'markdown'; // 'markdown' or 'preview'
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// 粘贴监听（核心）
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pasteArea.addEventListener('paste', (e) => {
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e.preventDefault();
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const html = e.clipboardData.getData('text/html');
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const text = e.clipboardData.getData('text');
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function excelToMarkdown(text) {
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const lines = text.trim().split('\n');
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if (lines.length === 0) return '';
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const rows = lines.map(line => {
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// Split by tab, handling quoted fields
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const cells = [];
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let current = '';
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let inQuotes = false;
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for (let i = 0; i < line.length; i++) {
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const ch = line[i];
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if (ch === '"') {
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inQuotes = !inQuotes;
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} else if (ch === '\t' && !inQuotes) {
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cells.push(current.trim());
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current = '';
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if (html && html.includes('<table')) {
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pasteArea.innerHTML = html;
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} else {
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current += ch;
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pasteArea.innerHTML = textToTable(text);
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}
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}
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cells.push(current.trim());
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return cells;
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setTimeout(renderMarkdown, 10);
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});
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if (rows.length === 0) return '';
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// Detect delimiter: try tab first, fall back to comma or semicolon
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const firstRow = rows[0];
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const allTabs = rows.every(r => r.length === firstRow.length && firstRow.every(c => c.includes('\t') || c.trim() === ''));
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// Normalize: handle if the split by tab didn't work well
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// Fallback: split by comma if no tabs found
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const normalizedRows = firstRow.length <= 1 && lines[0].includes(',')
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? lines.map(line => line.split(',').map(c => c.trim().replace(/^"|"$/g, '')))
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: rows;
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const colCount = normalizedRows[0].length;
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const justified = normalizedRows.map(row => {
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while (row.length < colCount) row.push('');
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return row.slice(0, colCount);
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});
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// Build markdown
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const header = justified[0];
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const separator = header.map(() => '---');
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const mdRows = [header, separator, ...justified.slice(1)];
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// Find max width per column
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const colWidths = [];
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for (let c = 0; c < colCount; c++) {
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let max = 0;
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for (let r = 0; r < mdRows.length; r++) {
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const cell = mdRows[r][c] || '';
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const len = cell.replace(/\|/g, '\\|').length;
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if (len > max) max = len;
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}
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colWidths.push(max);
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}
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// Build the table string
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const separatorRow = '| ' + colWidths.map(w => '-'.repeat(w)).join(' | ') + ' |';
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const lines_out = mdRows.map((row, ri) => {
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const cells = row.map((cell, ci) => {
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const cleaned = cell.replace(/\|/g, '\\|');
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const padded = ri === 1 ? separatorRow : (cleaned + ' '.repeat(colWidths[ci] - cleaned.replace(/\|/g, '\\|').length));
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return padded;
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});
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return '| ' + cells.join(' | ') + ' |';
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});
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return lines_out.join('\n');
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}
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function renderMarkdownTable(markdown) {
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const lines = markdown.split('\n').filter(l => l.trim());
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if (lines.length < 2) return markdown;
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// Simple markdown table renderer
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const rows = [];
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let header = [];
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let inBody = false;
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for (const line of lines) {
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if (line.startsWith('|') && line.endsWith('|')) {
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const cells = line.split('|').slice(1, -1).map(c => c.trim());
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||||
if (cells.every(c => c.match(/^-+$/))) {
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||||
inBody = true;
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continue;
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||||
}
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if (!inBody) {
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||||
header = cells;
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} else {
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||||
rows.push(cells);
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}
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||||
}
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||||
}
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||||
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if (header.length === 0) return markdown;
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||||
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let html = '<table class="md-table"><thead><tr>';
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header.forEach(h => html += `<th>${escapeHtml(h)}</th>`);
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html += '</tr></thead><tbody>';
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// 纯文本转表格（Excel 粘贴纯文本也能识别）
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function textToTable(text) {
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const rows = text.trim().split(/\r?\n/).filter(i => i);
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let html = '<table>';
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rows.forEach(row => {
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html += '<tr>';
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row.forEach(cell => html += `<td>${escapeHtml(cell)}</td>`);
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row.split('\t').forEach(cell => {
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html += '<td>' + cell + '</td>';
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});
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html += '</tr>';
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||||
});
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html += '</tbody></table>';
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||||
html += '</table>';
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return html;
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}
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function escapeHtml(str) {
|
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return str.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>').replace(/"/g,'"');
|
||||
}
|
||||
|
||||
function convert() {
|
||||
const text = input.value;
|
||||
if (!text.trim()) {
|
||||
output.textContent = '';
|
||||
outputRaw.textContent = '';
|
||||
statusRight.textContent = '';
|
||||
// 把左侧表格转成 Markdown
|
||||
function renderMarkdown() {
|
||||
const table = pasteArea.querySelector('table');
|
||||
if (!table) {
|
||||
mdOutput.textContent = '请粘贴表格内容';
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||||
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);
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||||
let md = '';
|
||||
const rows = table.querySelectorAll('tr');
|
||||
|
||||
rows.forEach((tr, idx) => {
|
||||
const cells = tr.querySelectorAll('td, th');
|
||||
const rowContent = Array.from(cells).map(c => c.innerText.trim());
|
||||
|
||||
md += '| ' + rowContent.join(' | ') + ' |\n';
|
||||
|
||||
// 表头分隔线
|
||||
if (idx === 0) {
|
||||
md += '| ' + rowContent.map(() => '---').join(' | ') + ' |\n';
|
||||
}
|
||||
});
|
||||
|
||||
mdOutput.textContent = md;
|
||||
}
|
||||
|
||||
// Auto-convert on paste
|
||||
input.addEventListener('input', () => {
|
||||
statusLeft.textContent = input.value.split('\n').length + ' 行';
|
||||
convert();
|
||||
// 清空
|
||||
clearLeft.addEventListener('click', () => {
|
||||
pasteArea.innerHTML = '<div class="text-slate-400 text-center py-10">在此粘贴 Excel 或网页表格内容</div>';
|
||||
mdOutput.textContent = '';
|
||||
});
|
||||
|
||||
// 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');
|
||||
// 复制
|
||||
copyMd.addEventListener('click', async () => {
|
||||
const content = mdOutput.textContent;
|
||||
if (!content.trim()) return alert('无内容可复制');
|
||||
await navigator.clipboard.writeText(content);
|
||||
copyMd.innerHTML = '<i class="fa-solid fa-check mr-1"></i>已复制';
|
||||
setTimeout(() => {
|
||||
copyMd.innerHTML = '<i class="fa-solid fa-copy mr-1"></i>复制';
|
||||
}, 1500);
|
||||
});
|
||||
</script>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user