下面小編就為大家帶來一篇使用JQuery實作圖片輪播效果的實例(推薦)。小編覺得蠻不錯的,現在就分享給大家,也給大家做個參考。一起跟著小編過來看看吧
【效果如圖】
【原理簡述】
這裡大概說一下整個流程:
1,將除了第一張以外的圖片全部隱藏,
2,取得第一張圖片的alt資訊顯示在資訊欄,並新增點擊事件
3,為4個按鈕新增點擊偵聽,點選對應的按鈕,用fadeOut,fadeIn方法顯示圖片
4,設定setInterval,定時執行切換函數
##【程式碼說明】
#filter(":visible") :取得所有可見的元素unbind():從符合的元素中刪除綁定的事件siblings:取得一個包含符合的元素集合中每一個元素的所有唯一同儕元素的元素集合【程式原始碼】
首先引入JS檔案:
#
<script src="bootstrap/js/jquery-1.11.2.min.js"></script> <script src="bootstrap/js/bootstrap.min.js"></script> <link href="bootstrap/css/bootstrap.min.css" rel="external nofollow" rel="stylesheet" type="text/css"/>
HTML部分:
##
<p id="banner"> <ul> <li class="on"><a href="">1</a></li> <li><a href="">2</a></li> <li><a href="">3</a></li> <li><a href="">4</a></li> <li><a href="">5</a></li> <li><a href="">6</a></li> </ul> <p id="banner_list"> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_self"><img src="img/a1.jpg" width="280" height="160" /></a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_self"><img src="img/a2.jpg" width="280" height="160" /></a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_self"><img src="img/a3.jpg" width="280" height="160" /></a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_self"><img src="img/a4.jpg" width="280" height="160" /></a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_self"><img src="img/a5.jpg" width="280" height="160" /></a> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_self"><img src="img/a6.jpg" width="280" height="160" /></a> </p> </p>
#
<style type="text/css"> #banner {position:relative; width:280px; height:160px; border:1px solid #666; overflow:hidden;} #banner ul { width:138px; height:18px;position:absolute;list-style-type:none;filter: Alpha(Opacity=80);opacity:0.8;z-index:1002; margin:0; padding:0; bottom:3px; right:5px; line-height: 18px; text-align: center;} #banner ul li { width: 18px; height: 18px; margin:0px 2px;float:left;display:block;color:#FFF; border:#e5eaff 1px solid;background:#6C6D6E;cursor:pointer} #banner ul li.on { background:#900} #banner ul li a { color: white;} #banner ul li a:hover{text-decoration: none;} #banner_list a{position:absolute;} <!-- 让六张图片都可以重叠在一起--> #banner_list{position:absolute; right: 5px; bottom: 5px;} </style>
<script type="text/javascript"> var t = n =0, count; $(document).ready(function(){ count=$("#banner_list a").length; $("#banner_list a:not(:first-child)").hide(); $("#banner_info").html($("#banner_list a:first-child").find("img").attr('alt')); $("#banner_info").click(function(){window.open($("#banner_list a:first-child").attr('href'), "_blank")}); $("#banner li").click(function() { var i = $(this).text() -1;//获取Li元素内的值,即1,2,3,4 n = i; if (i >= count) return; $("#banner_info").html($("#banner_list a").eq(i).find("img").attr('alt')); $("#banner_info").unbind().click(function(){window.open($("#banner_list a").eq(i).attr('href'), "_blank")}) $("#banner_list a").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000); document.getElementById("banner").style.background=""; $(this).toggleClass("on"); $(this).siblings().removeAttr("class"); }); t = setInterval("showAuto()", 4000); $("#banner").hover(function(){clearInterval(t)}, function(){t = setInterval("showAuto()", 4000);}); }) function showAuto() { n = n >=(count -1) ?0 : ++n; $("#banner li").eq(n).trigger('click'); } </script>
以上是JQuery圖片輪播效果的實作實例的詳細內容。更多資訊請關注PHP中文網其他相關文章!