jquery实现鼠标拖拽

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery Drag and Drop</title>
    <style>
        #draggable {
            width: 100px;
            height: 100px;
            background-color: red;
            position: absolute;
            cursor: move;
        }
    </style>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
    <div id="draggable">Drag me!</div>

    <script>
        $(document).ready(function() {
            var $draggable = $('#draggable');
            var offsetX, offsetY;

            $draggable.on('mousedown', function(event) {
                offsetX = event.pageX - $draggable.offset().left;
                offsetY = event.pageY - $draggable.offset().top;
                $(document).on('mousemove.draggable', function(event) {
                    $draggable.css({
                        left: event.pageX - offsetX,
                        top: event.pageY - offsetY
                    });
                });
                $(document).on('mouseup.draggable', function() {
                    $(document).off('mousemove.draggable');
                    $(document).off('mouseup.draggable');
                });
            });
        });
    </script>
</body>
</html>