首页焦点图、轮播图、幻灯片特效代码大全

灰儿 · 2016-4-13 09:59:34

演示效果图：

原地址：
http://www.jq22.com/jquery-info3761

演示地址：
http://www.jq22.com/yanshi3761

下载地址：

大banner轮播.rar (932.84 KB, 下载次数: 348)

index.html代码：
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>焦点图</title>
<link rel="stylesheet" href="css/focusStyle.css">
</head>
<body>

<div id="focus-banner">
<ul id="focus-banner-list">
<li>
<a href="#" class="focus-banner-img">
<img src="images/banner2.jpg" alt="">
</a>
<div class="focus-banner-text">
<p>这是一句广告语</p>
</div>
</li>
<li>
<a href="#" class="focus-banner-img">
<img src="images/banner3.jpg" alt="">
</a>
<div class="focus-banner-text">
<p>这是二句广告语</p>
</div>
</li>
<li>
<a href="#" class="focus-banner-img">
<img src="images/banner4.jpg" alt="">
</a>
<div class="focus-banner-text">
<p>这是三句广告语</p>
</div>
</li>
<li>
<a href="#" class="focus-banner-img">
<img src="images/banner5.jpg" alt="">
</a>
<div class="focus-banner-text">
<p>这是四句广告语</p>
</div>
</li>
</ul>
<a href="javascript:;" id="prev-img" class="focus-handle"></a>
<a href="javascript:;" id="next-img" class="focus-handle"></a>

<ul id="focus-bubble"></ul>
</div>

<script src="js/jquery-1.8.3.min.js"></script>
<script>
$(function(){
var focusBanner=function(){
var $focusBanner=$("#focus-banner"),
$bannerList=$("#focus-banner-list li"),
$focusHandle=$(".focus-handle"),
$bannerImg=$(".focus-banner-img"),
$nextBnt=$("#next-img"),
$prevBnt=$("#prev-img"),
$focusBubble=$("#focus-bubble"),
bannerLength=$bannerList.length,
_index=0,
_timer="";

var _height=$(".focus-banner-img").find("img").height();
$focusBanner.height(_height);
$bannerImg.height(_height);

$(window).resize(function(){
window.location.reload()
});

for(var i=0; i<bannerLength; i++){
$bannerList.eq(i).css("zIndex",bannerLength-i);
$focusBubble.append("<li></li>");
}
$focusBubble.find("li").eq(0).addClass("current");
var bubbleLength=$focusBubble.find("li").length;
$focusBubble.css({
"width":bubbleLength*40, //底部方点总宽度
"marginLeft":-bubbleLength*11
});//初始化

$focusBubble.on("click","li",function(){
$(this).addClass("current").siblings().removeClass("current");
_index=$(this).index();
changeImg(_index);
});//点击轮换

$nextBnt.on("click",function(){
_index++
if(_index>bannerLength-1){
_index=0;
}
changeImg(_index);
});//下一张

$prevBnt.on("click",function(){
_index--
if(_index<0){
_index=bannerLength-1;
}
changeImg(_index);
});//上一张

function changeImg(_index){
$bannerList.eq(_index).fadeIn(250);
$bannerList.eq(_index).siblings().fadeOut(200);
$focusBubble.find("li").removeClass("current");
$focusBubble.find("li").eq(_index).addClass("current");
clearInterval(_timer);
_timer=setInterval(function(){$nextBnt.click()},5000)
}//切换主函数
_timer=setInterval(function(){$nextBnt.click()},5000)
}();
})
</script>
</body>
</html>

css代码：
*{
padding: 0;
margin: 0;
}

img{
vertical-align: top;
}
li{
list-style: none;
}

#focus-banner{
position: relative;
width: 100%;
overflow: hidden;
}

#focus-banner-list{
position: relative;
}
#focus-banner-list li{
position: absolute;
left: 0;
top: 0;
width: 100%;
}
#focus-banner-list li img{
width: 100%;
}
.focus-banner-img{
display: block;
}

#focus-banner-list .focus-banner-text{
position: absolute;
left: 50%;
top: 0;
width: 1000px;
margin-left: -500px;
text-align: center;
color: #fff;
font-size: 16px;
text-align: center;
}

#focus-banner .focus-handle{
position: absolute;
top: 50%;
margin-top: -40px;
z-index: 100;
display: block;
width: 80px;
height: 80px;
background-image: url("../images/focus_handle.png");
}
#prev-img{
left: 0;
left: 50px;
background-position: 0 0;
}
#prev-img:hover{
background-position: 0 -80px;
}
#next-img{
right: 0;
right: 50px;
background-position: -80px 0;
}
#next-img:hover{
background-position: -80px -80px;
}

#focus-bubble{
position: absolute;
left: 45%;
bottom: 10px;
z-index: 999;
}

/*底部方形按钮*/
#focus-bubble li{
float: left;
width: 30px;
height: 5px;
margin:0 5px;
cursor: pointer;
background: #fff;
opacity: 0.8;
filter:alpha(opacity=80);
}
#focus-bubble li.current{
background-color: #000;
}

/*底部圆形按钮*/
/*
#focus-bubble li{
float: left;
width: 10px;
height: 10px;
margin: 0 5px;
border-radius: 50%;
-webkit-border-radius: 50%;
-moz-border-radius: 50%;
-o-border-radius: 50%;
-ms-border-radius: 50%;
border:1px #fff solid;
cursor: pointer;
}
#focus-bubble li.current{
background-color: #fff;
}
*/

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更多样式：
http://www.jq22.com/jquery-plugi ... 92%AD%E5%9B%BE-1-jq

http://www.17sucai.com/pins/demoshow/2637

http://down.admin5.com/demo/code_pop/18/562/

http://www.5icool.org/demo/2012/a00744/

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