jquery滑动切换图片

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery滑动切换图片</title>
    <style>
        #slider {
            width: 600px;
            overflow: hidden;
            position: relative;
        }
        #slider ul {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }
        #slider ul li {
            float: left;
            width: 600px;
            height: 300px;
        }
    </style>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
    <div id="slider">
        <ul>
            <li><img src="image1.jpg" alt="Image 1"></li>
            <li><img src="image2.jpg" alt="Image 2"></li>
            <li><img src="image3.jpg" alt="Image 3"></li>
        </ul>
    </div>

    <script>
        $(document).ready(function() {
            var slideCount = $('#slider ul li').length;
            var slideWidth = $('#slider ul li').width();
            var slideHeight = $('#slider ul li').height();
            var totalWidth = slideWidth * slideCount;

            $('#slider ul').css({
                width: totalWidth,
                height: slideHeight
            });

            function slideTo(index) {
                $('#slider ul').animate({
                    'marginLeft': -index * slideWidth
                }, 500);
            }

            var currentIndex = 0;
            setInterval(function() {
                currentIndex++;
                if (currentIndex >= slideCount) {
                    currentIndex = 0;
                    $('#slider ul').css('marginLeft', 0);
                }
                slideTo(currentIndex);
            }, 3000);
        });
    </script>
</body>
</html>