layui.use('jquery', function () {
    var $ = layui.jquery;
    $(function () {
        //播放公告
        playAnnouncement(3000);

    });
    function playAnnouncement(interval) {
        var index = 0;
        var $announcement = $('.home-tips-container>span');
        //自动轮换
        setInterval(function () {
            index++;    //下标更新
            if (index >= $announcement.length) {
                index = 0;
            }
            $announcement.eq(index).stop(true, true).fadeIn().siblings('span').fadeOut();  //下标对应的图片显示，同辈元素隐藏
        }, interval);
    }
});

