jquery method to achieve left and right switching of images

jquery method to achieve left and right switching of images_jquery

WBOY

Release： 2016-05-16 16:00:12

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The example in this article describes how jquery implements left and right switching of images. Share it with everyone for your reference. The specific implementation method is as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>图片左右滚动</title>
<script src="jquery-1.6.2.min.js" type="text/javascript"></script>
<script>
$(function(){
 var i=0;
 var li = $(".lxfscroll li");
 var n=li.length-1;
 var speed = 300;
 li.not(":first").css({left:"400px"});
 li.eq(n).css({left:"-400px"});
 lxfNext=function (){
 if (!li.is(":animated")) {
  if (i>=n){i=0;li.eq(n).animate({left:"-400px"},speed);
  li.eq(i).animate({left:"0px"},speed);
  }else{i++;li.eq(i-1).animate({left:"-400px"},speed);li.eq(i).animate({left:"0px"},speed);};
  li.not("eq(i)").css({left:"400px"});
  $("i").text(i+1);
 }else{};
 };
 lxfLast=function (){
 if (!li.is(":animated")) {
  if (i<=0){i=n;li.eq(0).animate({left:"400px"},speed);li.eq(n).animate({left:"0px"},speed);
  }else{i--;li.eq(i+1).animate({left:"400px"},speed);li.eq(i).animate({left:"0px"},speed);}
  li.not("eq(i)").css({left:"-400px"});
  $("i").text(i+1);
 };
 };
});
</script>
<style type="text/css">
* {
 font-size:12px;
 color:#333;
 text-decoration:none;
 padding:0;
 margin:0;
 list-style:none;
 font-style: normal;
 font-family: Arial, Helvetica, sans-serif;
}
.lxfscroll {
 width:400px;
 margin-left:auto;
 margin-right:auto;
 margin-top: 20px;
 overflow: hidden;
 position: relative;
 height: 300px;
 border: 1px dashed #CCC;
}
.button {
 margin-right:auto;
 margin-left:auto;
 width:400px;
 text-align:center;
 padding-top: 10px;
}
i {
 color:#F00;
 font-weight:bold;
}
.button input {
 padding-top: 4px;
 padding-right: 12px;
 padding-bottom: 4px;
 padding-left: 12px;
}
.lxfscroll ul li {
 height: 300px;
 width: 400px;
 text-align: center;
 line-height: 300px;
 position: absolute;
 font-size: 40px;
 font-weight: bold;
}
</style>
</head>
<body>
<div class="lxfscroll">
 <ul>
  <li>我是第1张图片</li>
  <li>我是第2张图片</li>
  <li>我是第3张图片</li>
  <li>我是第4张图片</li>
  <li>我是第5张图片</li>
  <li>我是第6张图片</li>
  <li>我是第7张图片</li>
  <li>我是第N张图片</li>
 </ul>
</div>
<div class="button">
<input name="a" type="button" onClick="lxfLast()" value="上一个" />
<input name="a" type="button" onClick="lxfNext()" value="下一个" />
</div>
<div class="button">当前显示的是第 <i>1</i> 张图片</div>
</body>
</html>

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I hope this article will be helpful to everyone’s jQuery programming.