• jQuery轮播图鼠标移入停止,移出播放,点击小横条切换图片


      1 <!DOCTYPE html>
      2 <html lang="en">
      3 
      4 <head>
      5     <meta charset="UTF-8">
      6     <title>banner</title>
      7 </head>
      8 <style>
      9 .banner {
     10     min-width: 1200px;
     11     min-height: 350px;
     12     position: relative;
     13 }
     14 
     15 .banner-img {
     16     position: relative;
     17 }
     18 
     19 .banner img {
     20     width: 100%;
     21     height: auto;
     22     position: absolute;
     23 }
     24 
     25 .banner-ul {
     26     list-style: none;
     27     display: flex;
     28     z-index: 5;
     29     position: absolute;
     30     bottom: 21px;
     31     left: 50%;
     32     transform: translateX(-50%);
     33 }
     34 
     35 .banner-ul li {
     36     width: 80px;
     37     height: 11px;
     38     background-color: #fff;
     39     margin-right: 15px;
     40 }
     41 .banner .banner-active{
     42     background-color: red;
     43 }
     44 
     45 .banner1,.banner2{
     46     display:none;
     47 }
     48 </style>
     49 <body>
     50     <div class="banner">
     51         <div class="banner-img">
     52             <img src="img/banner0.png" alt="轮播图">
     53             <img class="banner1" src="img/banner1.png" alt="轮播图">
     54             <img class="banner2" src="img/banner2.png" alt="轮播图">
     55         </div>
     56         <ul class="banner-ul">
     57             <li class="banner-active"></li>
     58             <li></li>
     59             <li></li>
     60         </ul>
     61     </div>
     62 </body>
     63 <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
     64 <script>
     65     $(function(){
     66          // 轮播图
     67     var i = 0;
     68     function autoPlay() { //自动播放暂停
     69         
     70         function play() {//play函数-begin
     71             i++;
     72             if (i > 2) {
     73                 i = 0;
     74             }
     75             $('.banner-img img').eq(i).fadeIn(1000).siblings().fadeOut(1000);
     76             //改变下面三条横杠状态
     77             $(".banner-ul li").eq(i).css(
     78                 "background", "red"
     79             ).siblings().css(
     80                 "background", "#fff"
     81             )
     82         } //play函数-end
     83         setplay = setInterval(play, 3000);
     84     }
     85     autoPlay();
     86 
     87     //鼠标移进移出轮播暂停和启动
     88     $(".banner").hover(function() {
     89         clearInterval(setplay);
     90     }, autoPlay);
     91 
     92 
     93     //点击小长条方框 图片切换
     94     $(".banner-ul li").click(function() {
     95         $(this).css(
     96             "background", "red"
     97         ).siblings().css(
     98             "background", "#fff"
     99         )
    100         var index = $(this).index();
    101         $(".banner-img img").eq(index).fadeIn(1000).siblings().fadeOut(1000);
    102     });
    103     })
    104 
    105     // 监听浏览器窗口大小发生变化时,改变banner的高度
    106     //用来处理banner下的ul定位用
    107     window.onresize = function() {
    108         var bannerImgHeight = $('.banner-img img').css('height');
    109         var y = $('.banner').css("height", bannerImgHeight);
    110     }
    111     //f5刷新页面后定位
    112     var bannerImgHeight = $('.banner-img img').css('height');
    113     var y = $('.banner').css("height", bannerImgHeight);
    114 </script>
    115 </html>
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  • 原文地址:https://www.cnblogs.com/jddk/p/8278469.html
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