效果如下：
css：
body { font-family:"Microsoft Yahei"; }
body,ul,li,img,h3,dl,dd,dt,h1{margin:0px;padding:0px;list-style:none;}
img{vertical-align: top;}
/***大图切换***/
.scroll_view{margin: 0px auto;overflow:hidden;position: relative;}
.photo_view li{position:absolute;width: 100%;}
.photo_view li em,.photo_view li h3{position: absolute;bottom: 0px;z-index: 1;height: 35px;line-height: 35px;width: 100%;left: 0px;}
.photo_view li em{z-index: 1;background:rgba(0,0,0,0.5);filter: progid:DXImageTransform.Microsoft.gradient( GradientType = 0,startColorstr = '#50000000',endColorstr = '#50000000');_background:#000;}
.photo_view li h3{z-index: 2;text-indent: 1em;font-weight: normal;}
.photo_view li h3 a{color:#fff;}
.photo_view li h3 a:hover{color:#f60;}
.small_photo{position: absolute;bottom: 40px;right: 10px;cursor: pointer;z-index: 4;}
.small_photo li {float: left;padding-right: 10px;}
.small_photo li img{width: 80px;height: 35px;border: solid 2px #ccc;border-radius: 2px;}
.small_photo li.active img{border: solid 2px #f60;}
html：
<!-- start:大图切换 -->
<div class="scroll_view">
<ul class="photo_view">
<li><img src="images/ad1.jpg" alt="" class="" /><em></em><h3><a href="javascript:void(0);">图片效果1</a></h3></li>
<li><img src="images/ad2.jpg" alt="" class="" /><em></em><h3><a href="javascript:void(0);">图片效果2</a></h3></li>
<li><img src="images/ad3.jpg" alt="" class="" /><em></em><h3><a href="javascript:void(0);">图片效果3</a></h3></li>
<li><img src="images/ad4.jpg" alt="" class="" /><em></em><h3><a href="javascript:void(0);">图片效果4</a></h3></li>
</ul>
<ul class="small_photo"></ul>
</div>
<!-- End:大图切换 -->
js：
$.fn.extend({
imgScroll:function(options){
var def={phtot_parent:$(".scroll_view"),photo_view:$(".photo_view"),small_photo:$(".small_photo"),speed:800,isauto:true,width:800,height:349},
opt=$.extend({},def,options),
$photo_view=opt.photo_view,
$small_photo=opt.small_photo,
speed=opt.speed,
isauto=opt.isauto,
index=0,
_length=$photo_view.find("li").length,
strTime=null;
opt.phtot_parent.css({width:opt.width,height:opt.height});
$photo_view.find("li:not(:first)").hide()//.find("img").hide();
$photo_view.find("li").each(function(i){
$small_photo.append('<li><img src="'+$(this).find("img").attr("src")+'" alt="" class="" /></li>');
})
$small_photo.find("li:first").addClass("active");
//小图鼠标动作
$small_photo.find("li").bind("mouseenter",function(){
clearInterval(strTime);
if(index!=$(this).index()){
index=$(this).index();
animate(index)
}
}).bind("mouseleave",function(){
if(isauto){
start();
}
});
//大图悬停动作
$photo_view.find("li").bind("mouseenter",function(){
clearInterval(strTime);
}).bind("mouseleave",function(){
if(isauto){
start();
}
});
//自动播放
if(isauto){
start();
}
//启动自动播放
function start(){
strTime=setInterval(function(){
index >= _length-1 ? index=0 : index++;
animate(index);
},speed);
}
//动画效果
function animate(_index){//console.log(_index)
$small_photo.find("li").eq(_index).addClass('active').siblings().removeClass("active");//改变小图导航样式
$photo_view.find("li").eq(_index).css("z-index",1).siblings().css("z-index",0);//控制absolute的层级
$photo_view.find("li").eq(_index).show().find("img").css({"opacity": 0}); //装大图的opacity设置为0
$photo_view.find("li").eq(_index).find("img").animate({opacity:1},300,function(){
$(this).removeAttr("style");//动画之后删除opacity
$photo_view.find("li").eq(_index).show().siblings().hide();//显示大图
});//展示当前显示动画
}
}
});
<script type="text/javascript">
$(function(){$("scroll_view").imgScroll({photo_view:$(".photo_view"),small_photo:$(".small_photo"),speed:3000,isauto:true});
})
</script>
以上这篇完美JQuery图片切换效果的简单实现就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持找一找教程网。
