jQuery焦点图左右转换效果
本文实例为大家分享了jQuery焦点图左右转换的具体代码,供大家参考,具体内容如下
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>焦点图转换</title> <link rel="stylesheet" href="css/reset.css"> <style type="text/css"> .pic-show{width: 480px;overflow: hidden;} .pic{width: 1920px;height: 320px;position: relative;} .pic img{display: block;float: left;} .pic-show>img{display: block;cursor: pointer;opacity: 0.8; position: absolute;top: 142px;left: 30px;} .pic-show>img:last-child{display: block; position: absolute;left: 414px; } ul{width: 120px;height: 18px;position: absolute;top: 280px;left: 185px;} li{float: left;width: 20px;height: 18px;margin-left: 5px;} a{display: block;width: 20px;height: 18px;text-decoration: none;border: 1px solid #ccc;border-radius: 50%;background-color: #ccc;opacity: 0.6;} a:hover{background-color: #094a99;} .aCss{background-color: #094a99;} p{width: 480px;text-align: center;} </style> </head> <body> <div class="pic-show"> <div class="pic"> <img src="images/1.jpg" alt=""> <img src="images/2.jpg" alt=""> <img src="images/3.jpg" alt=""> <img src="images/4.jpg" alt=""> </div> <img class="prev" src="images/slider-prev.png" alt=""> <img class="next" src="images/slider-next.png" alt=""> </div> <ul> <li><a class="aCss" href="#" title="日落"></a></li> <li><a href="#" title="钢琴"></a></li> <li><a href="#" title="大海"></a></li> <li><a href="#" title="秋色"></a></li> </ul> <p>这是一段测试文字</p> <script src="js/jquery-3.0.0.js"></script> <script type="text/javascript"> var num=0;//定义num,以便点击左右按钮时得到0,1,2,3这四个值来找到图片 //点击next按钮 $(".pic-show .next").click(function(event){ if(num<3){ num=num+1; } else{ num=0; } console.log(num); var mlNum=num * -480+'px'; $(".pic").animate({"margin-left":mlNum},1000) $("ul li:eq("+num+") a").addClass("aCss").parent().siblings().find("a").removeClass("aCss"); event.preventDefault(); var txt=$("ul li").eq(num).find("a").attr("title"); console.log(txt); $("p").text(txt); }) //点击prev按钮 $(".pic-show .prev").click(function(event){ if(num>0){ num=num-1; } else{ num=3; } console.log(num); var mlNum2=num * -480+'px'; $(".pic").animate({"margin-left":mlNum2},1000) $("ul li").eq(num).find("a").addClass("aCss").parent().siblings().find("a").removeClass("aCss"); event.preventDefault(); var txt=$("ul li").eq(num).find("a").attr("title"); console.log(txt); $("p").text(txt); }) $("ul li a").click(function(event){ num=$(this).parent().index(); var mlNum3=num * -480+'px'; $(".pic").animate({"margin-left":mlNum3},500) $(this).addClass("aCss").parent().siblings().find("a").removeClass("aCss");//addClass event.preventDefault(); var txt=$(this).attr("title"); console.log(txt);//测试用 $("p").text(txt); }) </script> </body> </html>
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