图片自动轮回

<!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="http://www.codefans.net/ajaxjs/jquery-1.6.2.min.js" type="text/javascript"></script>
<script>

$(function(){
var ul = $(".lxfscroll ul");
var li = $(".lxfscroll li");
var tli = $(".lxfscroll-title li");
var speed = 350;
var autospeed = 3000;
var i=1;
var index = 0;
var n = 0;
/* 标题按钮事件 */
function lxfscroll() {
var index = tli.index($(this));
tli.removeClass("cur");
$(this).addClass("cur");

ul.css({"left":"0px"});
li.css({"left":"0px"});
li.eq(index).css({"z-index":i});
li.eq(index).css({"left":"400px"});
ul.animate({left:"-400px"},speed);
i++;

};
/* 自动轮换 */
function autoroll() {
if(n >= 4) {
n = 0;
}
tli.removeClass("cur");
tli.eq(n).addClass("cur");
ul.css({"left":"0px"});
li.css({"left":"0px"});
li.eq(n).css({"z-index":i});
li.eq(n).css({"left":"400px"});

n++;
i++;
timer = setTimeout(autoroll, autospeed);
ul.animate({left:"-400px"},speed);
};
/* 鼠标悬停即停止自动轮换 */
function stoproll() {
li.hover(function() {
clearTimeout(timer);
n = $(this).prevAll().length+1;
}, function() {
timer = setTimeout(autoroll, autospeed);
});
tli.hover(function() {
clearTimeout(timer);
n = $(this).prevAll().length+1;
}, function() {
timer = setTimeout(autoroll, autospeed);
});
};
tli.mouseenter(lxfscroll);
autoroll();
stoproll();
});
</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: 700px;
margin-left: auto;
margin-right: auto;
margin-top: 20px;
position: relative;
height: 300px;
border: 4px solid #EFEFEF;
overflow: hidden;
}

.lxfscroll ul li {
height: 300px;
width: 700px;
text-align: center;
line-height: 300px;
position: absolute;
font-size: 40px;
font-weight: bold;
}

.lxfscroll-title {
width: 400px;
margin-right: auto;
margin-left: auto;
}

.lxfscroll-title li {
height: 20px;
width: 20px;
float: left;
line-height: 20px;
text-align: center;
border: 1px dashed #CCC;
margin-top: 2px;
cursor: pointer;
margin-right: 2px;
}

.cur {
color: #FFF;
font-weight: bold;
background: #000;
}

.lxfscroll ul {
position: absolute;
}
</style>
</head>
<body>
<div class="lxfscroll">
<ul>
<li><img src="img/1.jpg" width="700" height="300" /></li>
<li><img src="img/2.jpg" width="700" height="300" /></li>
<li><img src="img/3.jpg" width="700" height="300" /></li>
<li><img src="img/2.jpg" width="700" height="300" /></li>
<!--<li><img src="/jscss/demoimg/wall4.jpg" width="400" height="300" /></li>-->
</ul>
</div>
<div class="lxfscroll-title">
<ul>
<li class="cur">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
</ul>
</div>
</body>
</html>

posted @ 2016-08-26 14:56  狼牙者.net  阅读(151)  评论(1编辑  收藏  举报