轮播3-指示灯-前后翻页-css

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<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
<style type="text/css">
*{ padding:0px; margin:0px;list-style:none;}
.banner { 500px; height:300px; margin:100px auto; border:1px solid #808080; position:relative; overflow:hidden;}
.banner .img{5000px; position:absolute; left:0px;top:0px;}
.banner .img img{500px; height:300px;}
.banner .img li{float:left;}
.banner .num { position:absolute; 100%; bottom:10px; left:0px; text-align:center; font-size:0px;}
.banner .num li { 10px; height:10px; background-color:#888; border-radius:50%;display:inline-block; margin:0px 3px; cursor:pointer;}
.banner .num li.on {background-color: #ff6a00;}
.banner .btn { 30px;height: 50px;background-color: #808080;opacity: 0.5; filter:alpha(opacity:0.5); position:absolute;top:50%; margin-top:-25px;
cursor:pointer;
text-align:center;
line-height:50px;
font-size:40px;
color:#fff;
font-family:"宋体";
display:none;
}
.banner .btn_l { left:0px;}
.banner .btn_r { right:0px;}
.banner:hover .btn { display:block;}
</style>
</head>
<body>
<div class="banner">
<ul class="img">
<li><img src="images/1.jpg" alt=""/></li>
<li><img src="images/2.jpg" alt="" /></li>
<li><img src="images/3.jpg" alt="" /></li>
<li><img src="images/4.jpg" alt="" /></li>
</ul>
<ul class="num">

</ul>
<div class="btn btn_l">&lt;</div>
<div class="btn btn_r">&gt;</div>
</div>
<script type="text/javascript" src="js/jquery-1.11.3.js"></script>
<script type="text/javascript">

$(document).ready(function () {

var i = 0;

var clone = $(".banner .img li").first().clone();//克隆第一张图片
$(".banner .img").append(clone);//复制到列表最后
var size = $(".banner .img li").size();

for (var j = 0; j < size-1; j++) {
$(".banner .num").append("<li></li>");
}

$(".banner .num li").first().addClass("on");

/*自动轮播*/

var t = setInterval(function () { i++; move();},2000);

/*鼠标悬停事件*/

$(".banner").hover(function () {
clearInterval(t);//鼠标悬停时清除定时器
}, function () {
t = setInterval(function () { i++; move(); }, 2000); //鼠标移出时清除定时器
});


/*鼠标滑入原点事件*/

$(".banner .num li").hover(function () {

var index = $(this).index();//获取当前索引值
i = index;
$(".banner .img").stop().animate({ left: -index * 500 }, 500);
$(this).addClass("on").siblings().removeClass("on");
});

/*向左按钮*/
$(".banner .btn_l").click(function () {
i++;
move();
})


/*向右按钮*/
$(".banner .btn_r").click(function () {
i--;
move();
})

/*移动事件*/
function move() {
if (i == size) {
$(".banner .img").css({ left: 0 });
i = 1;
}
if (i == -1) {
$(".banner .img").css({ left: -(size - 1) * 500 });
i = size - 2;
}
$(".banner .img").stop().animate({ left: -i * 500 }, 500);

if (i == size - 1) {
$(".banner .num li").eq(0).addClass("on").siblings().removeClass("on");
} else {
$(".banner .num li").eq(i).addClass("on").siblings().removeClass("on");
}
}
});


</script>
</body>
</html>

原文地址:https://www.cnblogs.com/liuhuilh/p/6682003.html