js+css实现一个markdown文本生成不同风格模板的文字卡片图片效果代码-html代码-BFW代码库

代码语言：html

代码描述：js+css实现一个markdown文本生成不同风格模板的文字卡片图片效果代码，可调整颜色及卡片风格样式，内置了20个模板。

代码标签： js css markdown 文本生成不同风格模板颜色文字卡片图片

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>动态文字卡片生成器</title>
    <!-- 引入 Font Awesome 图标 -->
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/all.6.4.0.css">
    <!-- 引入 Marked.js 用于 Markdown 解析 -->
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/marked.min.js"></script>
    <!-- 引入 html2canvas 用于生成图片 -->
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/html2canvas.1.4.1.js"></script>
    <!-- 引入 Google Fonts -->
    <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Indie+Flower&family=Orbitron:wght@400;700&family=Lora:ital@0;1&family=Playfair+Display:wght@400;700&family=Merriweather:wght@400;700&family=Montserrat:wght@400;700&display=swap" rel="stylesheet">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        @media (max-width: 768px) {
            .container {
                grid-template-columns: 1fr;
            }
        }

        .header {
            grid-column: 1 / -1;
            text-align: center;
            margin-bottom: 30px;
        }

        .header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 15px;
            background: linear-gradient(45deg, #3498db, #8e44ad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }

        .header p {
            font-size: 1.1rem;
            color: #7f8c8d;
            max-width: 700px;
            margin: 0 auto;
        }

        .editor-section {
            background-color: white;
            border-radius: 16px;
            padding: 25px;
            box-shadow: 0 5px 18px rgba(0, 0, 0, 0.07);
        }

        .section-title {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            font-size: 1.25rem;
            font-weight: 600;
            color: #2c3e50;
        }

        .section-title i {
            margin-right: 12px;
            color: #3498db;
            font-size: 1.4rem;
        }

        textarea {
            width: 100%;
            height: 300px;
            padding: 15px;
            border: 1px solid #e0e6ed;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
            margin-bottom: 20px;
            font-family: 'Consolas', 'Courier New', monospace;
        }

        textarea:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }

        .template-selector {
            margin-bottom: 20px;
        }

        .template-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            margin-top: 15px;
            max-height: 400px;
            overflow-y: auto;
            padding-right: 10px;
        }

        @media (max-width: 768px) {
            .template-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .template-option {
            border: 2px solid #e0e6ed;
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .template-option:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .template-option.active {
            border-color: #3498db;
            background-color: rgba(52, 152, 219, 0.05);
        }

        .template-preview {
            width: 100%;
            height: 120px;
            border-radius: 4px;
            margin-bottom: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: inherit;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .template-preview:hover {
            transform: scale(1.05);
        }

        .template-option h4 {
            font-size: 1rem;
            color: #2c3e50;
            margin-bottom: 5px;
        }

        .template-option p {
            font-size: 0.8rem;
            color: #7f8c8d;
            margin: 0;
        }

        .color-options {
            display: flex;
            gap: 10px;
            margin-top: 15px;
            flex-wrap: wrap;
        }

        .color-option {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            transition: transform 0.2s ease;
            border: 2px solid #fff;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .color-option:hover {
            transform: scale(1.1);
        }

        .color-option.active {
            border: 2px solid #333;
        }

        .preview-section {
            background-color: white;
            border-radius: 16px;
            padding: 25px;
            box-shadow: 0 5px 18px rgba(0, 0, 0, 0.07);
            display: flex;
            flex-direction: column;
        }

        .preview-container {
            flex-grow: 1;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            overflow: hidden;
        }

        .card-preview {
            width: 100%;
            max-width: 500px;
            min-height: 300px;
            overflow: hidden;
            transition: all 0.3s ease;
            position: relative;
        }

        .card-preview::before {
            /* 将由JavaScript动态设置 */
        }
        
        .card-preview .markdown-content {
            height: 100%;
        }
        
        /* 为不同模板的标题添加动画效果 */
        .card-preview h1, .card-preview h2, .card-preview h3 {
            position: relative;
            overflow: hidden;
        }
        
        /* 为引用块添加更好的样式支持 */
        .card-preview blockquote {
            position: relative;
            overflow: hidden;
        }

        .markdown-content {
            line-height: 1.8;
        }

        .markdown-content h1 {
            font-size: 2rem;
            margin-bottom: 15px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
            padding-bottom: 10px;
        }

        .markdown-content h2 {
            font-size: 1.5rem;
            margin-bottom: 12px;
            margin-top: 25px;
        }

        .markdown-content h3 {
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