这个需要简单,直接附上代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>自动轮播 Jquery</title>
<script src="../../javascript/jQuery/jquery-2.1.3.min.js"></script>
<script>
$(function () {
//动态添加数字浮标
var imgNum = $(".img li").size();
for (var i = 1; i <= imgNum; i++) {
$(".num").append("<li>" + i + "</li>");
}
$(".img li").eq(0).fadeIn(300);
$(".num li").eq(0).addClass("active");
//数字浮标的焦点事件
$(".num li").mousemove(function () {
if (!$(this).hasClass("active")) {
$(this).addClass("active").siblings().removeClass("active");
idx = $(this).index();
$(".img li").eq(idx).stop().fadeIn(300).siblings().stop().fadeOut(300);
}
});
//显示向左移动图标
$(".shade_left").hover(function () {
$(".out .left").stop().fadeIn();
}, function () {
$(".out .left").stop().fadeOut();
});
//显示向右移动图标
$(".shade_right").hover(function () {
$(".out .right").stop().fadeIn();
}, function () {
$(".out .right").stop().fadeOut();
});
//转移图片的a标签的click事件
$(".shade").click(function () {
location.href = $(".img li:visible a").attr("href");
});
//手动向左移动
$(".out .btn.left").click(function (e) {
move(-1);
e.stopPropagation();
});
//手动向右移动
$(".out .btn.right").click(function (e) {
move();
e.stopPropagation();
});
//自动轮播
var idx = 0;
var timer = setInterval(move, 1000);
function move(left) {
if (left) { //向左移动
idx--;
if (idx == -1) {
idx = imgNum - 1;
}
} else {
idx++;
if (idx == imgNum) {
idx = 0;
}
}
$(".num li").eq(idx).addClass("active").siblings().removeClass("active");
$(".img li").eq(idx).stop().fadeIn(300).siblings().stop().fadeOut(300);
}
//图片获取焦点时,停止自动轮播
$(".out").hover(function () {
clearInterval(timer);
}, function () {
timer = setInterval(move, 1000);
});
});
</script>
<style>
* {
padding: 0;
margin: 0;
}
img {
width: 800px;
height: 600px;
}
ul li {
list-style: none;
}
.out {
width: 800px;
height: 600px;
position: relative;
margin: 50px auto;
}
.out .shade {
position: absolute;
top: 0;
width: 50%;
height: 100%;
background-color: rgba(0, 0, 0, 0);/*不能使用opacity,不然会被子元素继承(会忽视子元素所设置的background-color: opacity)*/
/*pointer-events: auto;*/
}
.out .shade_left {
left: 0;
}
.out .shade_right {
right: 0;
}
.out .img li {
position: absolute;
top: 0;
left: 0;
display: none;
/*pointer-events: none; //该层会将事件会传给下面一个层(z-index小于他的层) */
}
.out .num {
position: absolute;
font-size: 0;
bottom: 10px;
width: 100%;
text-align: center;
}
.out .num li {
width: 20px;
height: 20px;
background-color: #777;
color: #fff;
line-height: 20px;
text-align: center;
-webkit-border-radius: 50%;
-moz-border-radius: 50%;
border-radius: 50%;
display: inline-block;
font-size: 13px;
margin: 0 3px;
cursor: pointer;
}
.out .num li.active {
background-color: #b92c28;
}
.out .btn {
position: absolute;
top: 50%;
margin-top: -50px;
color: #fff;
height: 100px;
line-height: 100px;
width: 50px;
background-color: rgba(0, 0, 0, 0.2);
font-size: 40px;
text-align: center;
cursor: pointer;
display: none;
}
.out .left {
left: 0;
}
.out .right {
right: 0;
}
</style>
</head>
<body>
<div class="out">
<ul class="img">
<li><a href="https://www.baidu.com/"><img src="./images/servlet/1.jpg" alt=""></a></li>
<li><a href="http://www.jb51.net/article/49760.htm"><img src="./images/servlet/2.jpg" alt=""></a></li>
<li><a href=""><img src="./images/servlet/3.jpg" alt=""></a></li>
<li><a href=""><img src="./images/servlet/4.jpg" alt=""></a></li>
<li><a href=""><img src="./images/servlet/5.jpg" alt=""></a></li>
<li><a href=""><img src="./images/servlet/6.jpg" alt=""></a></li>
</ul>
<div class="shade shade_left">
<div class="left btn"><</div>
</div>
<div class="shade shade_right">
<div class="right btn">></div>
</div>
<ul class="num"></ul>
</div>
</body>
</html>