原生js+css实现canvas两张图片叠加输出新图代码-html代码-BFW代码库

原生js+css实现canvas两张图片叠加输出新图代码

代码语言：html

所属分类：其他

代码描述：原生js+css实现canvas两张图片叠加输出新图代码

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>图片合成工具</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            overflow: hidden;
        }

        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }

        .header h1 {
            font-size: 28px;
            margin-bottom: 10px;
        }

        .header p {
            font-size: 14px;
            opacity: 0.9;
        }

        .content {
            padding: 30px;
        }

        .upload-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 30px;
        }

        .upload-box {
            border: 2px dashed #ddd;
            border-radius: 8px;
            padding: 30px 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

        .upload-box:hover {
            border-color: #667eea;
            background: #f8f9ff;
        }

        .upload-box.active {
            border-color: #667eea;
            background: #f0f3ff;
        }

        .upload-box input {
            display: none;
        }

        .upload-icon {
            font-size: 48px;
            margin-bottom: 10px;
            color: #667eea;
        }

        .upload-box h3 {
            font-size: 16px;
            margin-bottom: 8px;
            color: #333;
        }

        .upload-box p {
            font-size: 13px;
            color: #666;
        }

        .preview-name {
            margin-top: 10px;
            font-size: 12px;
            color: #667eea;
            font-weight: bold;
        }

        .canvas-container {
            background: #f5f5f5;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            text-align: center;
            min-height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        #canvas {
            max-width: 100%;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            cu.........完整代码请登录后点击上方下载按钮下载查看