实现jsp网站添加到收藏夹

 var ctrl = (navigator.userAgent.toLowerCase()).indexOf('mac') != -1 ? 'Command/Cmd': 'CTRL';
            if (document.all) {
                window.external.addFavorite(location.href, document.title)
            } else if (window.sidebar) {
                window.sidebar.addPanel(document.title, location.href, "")
            } else {
                alert('您可以尝试通过快捷键' + ctrl + ' + D 加入到收藏夹~')
            }

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<a href="javascript:window.external.AddFavorite('http://www.baidu.com','百度')/>收藏</a>