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>图片叠加合成工具</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
            color: #333;
        }
        
        .container {
            max-width: 1000px;
            width: 100%;
            background: white;
            border-radius: 20px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            overflow: hidden;
            margin: 20px 0;
        }
        
        header {
            background: linear-gradient(to right, #4b6cb7, #182848);
            color: white;
            text-align: center;
            padding: 30px 20px;
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        
        .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        
        .main-content {
            padding: 30px;
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .upload-section {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        
        .upload-box {
            flex: 1;
            min-width: 250px;
            border: 2px dashed #4b6cb7;
            border-radius: 15px;
            padding: 25px 15px;
            text-align: center;
            background: #f8f9ff;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .upload-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(75, 108, 183, 0.3);
        }
        
        .upload-box.active {
            border-color: #182848;
            background: #eef1ff;
        }
        
        .upload-icon {
            font-size: 3rem;
            color: #4b6cb7;
            margin-bottom: 15px;
        }
        
        .upload-text h3 {
            color: #182848;
            margin-bottom: 8px;
            font-size: 1.3rem;
        }
        
        .upload-text p {
            color: #5a6b8c;
            font-size: 0.95rem;
            line-height: 1.5;
        }
        
        #canvas-container {
            position: relative;
            border: 2px solid #e0e6ff;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            margin: 10px auto;
            max-width: 100%;
            background: linear-gradient(45deg, #f0f4ff 25%, transpa.........完整代码请登录后点击上方下载按钮下载查看