jQuery实现tab标签自动切换的方法

时间:2020-05-13 代码家园人气:0

本文实例讲述了jQuery实现tab标签自动切换的方法。分享给大家供大家参考。具体实现方法如下：

<!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>jQuery实现的tab标签自动切换效果</title>
<style type="text/css">
* {
margin:0;
padding:0;
}
dl {
margin:10px auto;
width:500px;
line-height:24px;
border-left:1px solid #dcdcdc;
}
dt.active {
border-bottom:1px solid #fff;
position:relative;
}
dt {
padding:0 10px;
float:left;
border:1px solid #dcdcdc;
border-left:0;
cursor:pointer;
margin-bottom:-1px;
}
dd {
clear:both;
width:100%;
border-left:0;
border:1px solid #dcdcdc;
border-left:0;
display:none;
}
</style>
</head>
<body>
<dl>
<dt>nav1<https://img.qb5200.com/download-x/dt>
<dt>nav2<https://img.qb5200.com/download-x/dt>
<dt>nav3<https://img.qb5200.com/download-x/dt>
<dd>1111111111111111111111<https://img.qb5200.com/download-x/dd>
<dd>　2222222222222222222222<https://img.qb5200.com/download-x/dd>
<dd>　　3333333333333333333333<https://img.qb5200.com/download-x/dd>
<https://img.qb5200.com/download-x/dl>
<script type="text/javascript" src="/html/txdm_2/images/20101004/jquery-1.2.6.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$('dt:first').addClass('active');
$('dd:first').css('display','block');
autoroll();
hookThumb();
});
var i=-1; //第i+1个tab开始
var offset = 2500; //轮换时间
var timer = null;
function autoroll(){
n = $('dt').length-1;
i++;
if(i > n){
i = 0;
}
slide(i);
    timer = window.setTimeout(autoroll, offset);
}
function slide(i){
$('dt').eq(i).addClass('active').siblings().removeClass('active');
$('dd').eq(i).css('display','block').siblings('dd').css('display','none');
}
function hookThumb(){
$('dt').hover(
function () {
    if (timer) {
                clearTimeout(timer);
    i = $(this).prevAll().length;
             slide(i);
            }
},
function () {

            timer = window.setTimeout(autoroll, offset);
            this.blur();
            return false;
}
);
}
</script>
</body>
</html>

希望本文所述对大家的javascript程序设计有所帮助。

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