jsp加入收藏代码

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>加入收藏示例</title>
    <script type="text/javascript">
        function addToFavorites() {
            var title = document.title;
            var url = window.location.href;
            if (window.sidebar && window.sidebar.addPanel) { // Firefox
                window.sidebar.addPanel(title, url, "");
            } else if (window.external && ('AddFavorite' in window.external)) { // IE
                window.external.AddFavorite(url, title);
            } else if (window.opera && window.print) { // Opera
                return true;
            } else { // Other browsers (e.g., Chrome, Safari)
                alert('请按 Ctrl+D 或 Cmd+D 将本页加入书签。');
            }
        }
    </script>
</head>
<body>
    <h1>欢迎访问我的网站</h1>
    <button onclick="addToFavorites()">加入收藏</button>
</body>
</html>