ka-cn
/
vibe-coding-cn


			
				
					
						
						
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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">
    <title>Markdown Editor</title>
    <style>
        :root {
            --border-color: #eee;
            --bg-color: #fafafa;
            --text-color: #333;
            --btn-border: #ddd;
            --code-bg: #f5f5f5;
            --scrollbar-color: #ccc;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            height: 100vh;
            display: flex;
            flex-direction: column;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            overflow: hidden;
        }

        .header {
            padding: 8px 20px;
            background: var(--bg-color);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: flex-end;
            align-items: center;
            font-size: 14px;
            color: var(--text-color);
        }

        .toolbar {
            display: flex;
            gap: 8px;
        }

        .btn {
            border: 1px solid var(--btn-border);
            background: white;
            padding: 4px 12px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            color: var(--text-color);
            min-width: 80px;
            text-align: center;
            transition: background-color 0.2s ease;
        }

        .btn:hover {
            background: var(--code-bg);
        }

        .content {
            display: flex;
            flex: 1;
            overflow: hidden;
        }
        
        #preview, #editor {
            width: 50%;
            height: 100%;
            padding: 20px;
            line-height: 1.6;
        }
        
        #preview {
            color: var(--text-color);
            border-right: 1px solid var(--border-color);
            overflow-y: auto;
        }
        
        #editor {
            font-family: monospace;
            font-size: 14px;
            border: none;
            outline: none;
            resize: none;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--scrollbar-color) transparent;
        }

        #editor::-webkit-scrollbar {
            width: 8px;
        }

        #editor::-webkit-scrollbar-thumb {
            background-color: var(--scrollbar-color);
            border-radius: 4px;
        }

        #editor::-webkit-scrollbar-track {
            background-color: transparent;
        }

        .preview-content {
            height: auto;
            min-height: 100%;
            padding-right: 8px;
        }

        #preview h1, #preview h2, #preview h3 {
            margin: 16px 0;
            font-weight: 500;
        }

        #preview h1:first-child {
            margin-top: 0;
        }

        #preview p {
            margin: 12px 0;
        }

        #preview ul, #preview ol {
            padding-left: 24px;
            margin: 12px 0;
        }

        #preview code {
            background-color: var(--code-bg);
            padding: 2px 4px;
            border-radius: 3px;
            font-size: 0.9em;
        }

        #preview pre code {
            display: block;
            padding: 12px;
            overflow-x: auto;
            line-height: 1.45;
        }

        .toast {
            position: fixed;
            top: 20px;
            right: 20px;
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 8px 16px;
            border-radius: 4px;
            font-size: 14px;
            display: none;
            z-index: 1000;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
    </style>
</head>
<body>
    <div class="header">
        <div class="toolbar">
            <button class="btn" id="copyBtn">一键复制</button>
            <button class="btn" id="exportBtn">导出文本</button>
        </div>
    </div>
    <div class="content">
        <div id="preview">
            <div class="preview-content"></div>
        </div>
        <textarea id="editor" placeholder="在这里输入 Markdown 文本..."></textarea>
    </div>
    <div id="toast" class="toast"></div>

    <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
    <script>
        document.addEventListener('DOMContentLoaded', function() {
            const editor = document.getElementById('editor');
            const preview = document.getElementById('preview');
            const previewContent = preview.querySelector('.preview-content');
            const toast = document.getElementById('toast');
            const copyBtn = document.getElementById('copyBtn');
            const exportBtn = document.getElementById('exportBtn');

            // Initialize marked with safe options
            marked.setOptions({
                breaks: true,
                gfm: true,
                headerIds: true,
                sanitize: false,
                highlight: function(code, lang) {
                    return code;
                }
            });

            function showToast(message, duration = 2000) {
                toast.textContent = message;
                toast.style.display = 'block';
                setTimeout(() => {
                    toast.style.display = 'none';
                }, duration);
            }

            function updatePreview() {
                try {
                    const markdownText = editor.value;
                    const htmlContent = marked.parse(markdownText);
                    previewContent.innerHTML = htmlContent;
                } catch (error) {
                    console.error('Markdown parsing error:', error);
                    previewContent.innerHTML = '<p style="color: red;">Error parsing markdown</p>';
                }
            }

            function debounce(func, wait) {
                let timeout;
                return function(...args) {
                    clearTimeout(timeout);
                    timeout = setTimeout(() => func.apply(this, args), wait);
                };
            }

            const debouncedUpdate = debounce(updatePreview, 150);

            async function copyText() {
                try {
                    await navigator.clipboard.writeText(editor.value);
                    showToast('已复制到剪贴板');
                } catch (err) {
                    console.error('Copy failed:', err);
                    showToast('复制失败');
                }
            }

            function exportTxt() {
                try {
                    const text = editor.value;
                    const blob = new Blob([text], { type: 'text/plain' });
                    const url = URL.createObjectURL(blob);
                    const a = document.createElement('a');
                    const timestamp = new Date().toISOString().slice(0,19).replace(/[-:]/g, '');
                    a.href = url;
                    a.download = `markdown_${timestamp}.txt`;
                    document.body.appendChild(a);
                    a.click();
                    document.body.removeChild(a);
                    URL.revokeObjectURL(url);
                    showToast('已导出为文本文件');
                } catch (err) {
                    console.error('Export failed:', err);
                    showToast('导出失败');
                }
            }

            // Event Listeners
            editor.addEventListener('input', debouncedUpdate);
            copyBtn.addEventListener('click', copyText);
            exportBtn.addEventListener('click', exportTxt);

            // Sync scroll
            editor.addEventListener('scroll', () => {
                const percentage = editor.scrollTop / (editor.scrollHeight - editor.clientHeight);
                preview.scrollTop = percentage * (preview.scrollHeight - preview.clientHeight);
            });

            // Initial content
            const initialText = `# Markdown 编辑器

## 欢迎使用！

这是一个简单的 Markdown 编辑器。

### 主要功能：

1. 实时预览
2. 一键复制内容
3. 导出文本文件
4. 支持常用 Markdown 语法

### 快速开始：

- 在右侧输入 Markdown 文本
- 在左侧查看实时预览
- 使用顶部按钮进行操作

\`\`\`markdown
# 示例代码
**粗体** 和 *斜体*
- 列表项
- 另一个列表项
\`\`\``;

            editor.value = initialText;
            updatePreview();
        });
    </script>
</body>
</html>