animation-play-state 动画播放状态

实例代码

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>animation-play-state 演示</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
            margin: 0;
            background-color: #f5f5f5;
        }
        
        h1 {
            color: #333;
            margin-bottom: 30px;
        }
        
        .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        
        .box {
            width: 100px;
            height: 100px;
            background-color: #4CAF50;
            border-radius: 8px;
            animation: moveAndColor 4s linear infinite alternate;
        }
        
        @keyframes moveAndColor {
            0% {
                transform: translateX(0) rotate(0deg);
                background-color: #4CAF50;
            }
            50% {
                background-color: #2196F3;
            }
            100% {
                transform: translateX(200px) rotate(360deg);
                background-color: #FF5722;
            }
        }
        
        .controls {
            display: flex;
            gap: 15px;
        }
        
        button {
            padding: 10px 20px;
            font-size: 16px;
            cursor: pointer;
            background-color: #333;
            color: white;
            border: none;
            border-radius: 4px;
            transition: background-color 0.3s;
        }
        
        button:hover {
            background-color: #555;
        }
        
        .instructions {
            margin-top: 30px;
            padding: 15px;
            background-color: #eee;
            border-radius: 8px;
            max-width: 500px;
            text-align: center;
        }
    </style>
</head>
<body>
    <h1>animation-play-state 演示</h1>
    
    <div class="container">
        <div class="box" id="animatedBox"></div>
        
        <div class="controls">
            <button id="playBtn">播放动画</button>
            <button id="pauseBtn">暂停动画</button>
            <button id="toggleBtn">切换状态</button>
        </div>
        
        <div class="instructions">
            <p>这个演示展示了 CSS <code>animation-play-state</code> 属性的使用。</p>
            <p>点击按钮可以控制动画的播放状态：</p>
            <ul style="text-align: left; display: inline-block;">
                <li><strong>播放动画</strong> - 设置 animation-play-state: running</li>
                <li><strong>暂停动画</strong> - 设置 animation-play-state: paused</li>
                <li><strong>切换状态</strong> - 在当前状态间切换</li>
            </ul>
            <p>也可以将鼠标悬停在彩色方块上暂停动画。</p>
        </div>
    </div>
    
    <script>
        const box = document.getElementById('animatedBox');
        const playBtn = document.getElementById('playBtn');
        const pauseBtn = document.getElementById('pauseBtn');
        const toggleBtn = document.getElementById('toggleBtn');
        
        // 播放动画
        playBtn.addEventListener('click', () => {
            box.style.animationPlayState = 'running';
        });
        
        // 暂停动画
        pauseBtn.addEventListener('click', () => {
            box.style.animationPlayState = 'paused';
        });
        
        // 切换动画状态
        toggleBtn.addEventListener('click', () => {
            const currentState = box.style.animationPlayState;
            box.style.animationPlayState = currentState === 'paused' ? 'running' : 'paused';
        });
        
        // 鼠标悬停暂停动画
        box.addEventListener('mouseenter', () => {
            box.style.animationPlayState = 'paused';
        });
        
        box.addEventListener('mouseleave', () => {
            box.style.animationPlayState = 'running';
        });
    </script>
</body>
</html>