1.自动轮播+经过圆点滚动+鼠标停留在圆点上 时候暂停+离开圆点自动轮播： <!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>焦点图</title <script type="text/javascript" src="js/jquery-1.8.0.min.js"></script <style type="text/css">*{margin:0; padding:0; list-style:none;} .clear-fix{*zoom:1;} .clear-fix:after{ content:"\0020"; clear:both; height:0; display:block;} h1{ text-align:center;} .slider{width:980px; height:365px; margin:0 auto; position:relative;} .slider .img_box{width:980px; height:365px; overflow:hidden;} .slider ul{width:100000px;} .slider li{ width:980px; height:365px; float:left; background:#ccc; text-align:center; font-size:larger; line-height:365px;} .slider .num_box{ position:absolute; bottom:10px; right:10px;} .slider .num_box a{ width:10px; height:10px; background:#fff; border-radius:5px; display:inline-block;} .slider .num_box a.c{ background:#C00;}</style </head <body> <h1>鼠标经过圆点切换</h> <div class="slider"> <div class="img_box"> <ul class="clear-fix"> <li>1</li <li>2</li <li>3</li <li>4</li <li>5</li </ul </div <div class="num_box"> <a href="javascript:void(0)" class="c"></a <a href="javascript:void(0)"></a <a href="javascript:void(0)"></a <a href="javascript:void(0)"></a <a href="javascript:void(0)"></a </div </div <script type="text/javascript">//鼠标经过圆点的滚动： var n=0; function slider(n){ $("ul").animate({marginLeft:-n*980},1000); $(".num_box a").removeClass("c").eq(n).addClass("c"); } t=setInterval(function(){ n++; n=n>=$(".num_box a").length?0:n; slider(n); },3000) slider(n); $(".num_box a").hover(function(){ clearInterval(t); slider($(this).index()); },function(){ t=setInterval(function(){ n=$(".num_box a.c").index()+1; n=n>=$(".num_box a").length?0:n; slider(n); },3000) })</script </body </html 2.自动轮播+鼠标点击圆点滚动+离开圆点自动轮播： <!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>焦点图1</title <script type="text/javascript" src="js/jquery-1.8.0.min.js"></script <style type="text/css">*{margin:0; padding:0; list-style:none;} .clear-fix{*zoom:1;} .clear-fix:after{ content:"\0020"; clear:both; height:0; display:block;} h1{ text-align:center;} .slider{width:980px; height:365px; margin:0 auto; position:relative;} .slider .img_box{width:980px; height:365px; overflow:hidden;} .slider ul{width:100000px;} .slider li{ width:980px; height:365px; float:left; background:#ccc; text-align:center; font-size:larger; line-height:365px;} .slider .num_box{ position:absolute; bottom:10px; right:10px;} .slider .num_box a{ width:10px; height:10px; background:#fff; border-radius:5px; display:inline-block;} .slider .num_box a.c{ background:#C00;}</style </head <body> <h1>鼠标点击圆点切换</h> <div class="slider"> <div class="img_box"> <ul class="clear-fix"> <li>1</li <li>2</li <li>3</li <li>4</li <li>5</li </ul </div <div class="num_box"> <a href="javascript:void(0)" class="c"></a <a href="javascript:void(0)"></a <a href="javascript:void(0)"></a <a href="javascript:void(0)"></a <a href="javascript:void(0)"></a </div </div <script type="text/javascript">var n=0; function slider(n){ $("ul").animate({marginLeft:-n*980},500); $(".num_box a").removeClass("c").eq(n).addClass("c"); } t=setInterval(function(){ n++; n=n>=$(".num_box a").length?0:n; slider(n); },3000) slider(n); $(".num_box a").click(function(){ clearInterval(t); slider($(this).index()); $(".num_box a").mouseout(function(){ clearInterval(t); t=setInterval(function(){ n=$(".num_box a.c").index()+1; n=n>=$(".num_box a").length?0:n; slider(n) },3000); }) })</script </body </html 3.自动轮播+点击上一个，下一个，圆点滚动+离开上一个，下一个，圆点自动轮播： <!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>焦点图2</title <script type="text/javascript" src="js/jquery-1.8.0.min.js"></script <style type="text/css">*{margin:0; padding:0; list-style:none;} .clear-fix{*zoom:1;} .clear-fix:after{ content:"\0020"; clear:both; height:0; display:block;} h1{ text-align:center;} .top{ width:980px; margin:0 auto; position:relative;} .top input{ width:100px; position:absolute; top:10px;} .top .prev{ left:0;} .top .next{ position:absolute; right:0;} .slider{width:980px; height:365px; margin:0 auto; position:relative;} .slider .img_box{width:980px; height:365px; overflow:hidden;} .slider ul{width:100000px;} .slider li{ width:980px; height:365px; float:left; background:#ccc; text-align:center; font-size:larger; line-height:365px;} .slider .num_box{ position:absolute; bottom:10px; right:10px;} .slider .num_box a{ width:10px; height:10px; background:#fff; border-radius:5px; display:inline-block;} .slider .num_box a.c{ background:#C00;}</style </head <body> <div class="top"> <input type="button" value="上一张" class="prev" /> <h1>鼠标点击按钮切换</h> <input type="button" value="下一张" class="next" /> </div <div class="slider"> <div class="img_box"> <ul class="clear-fix"> <li>1</li <li>2</li <li>3</li <li>4</li <li>5</li </ul </div <div class="num_box"> <a href="javascript:void(0)" class="c"></a <a href="javascript:void(0)"></a <a href="javascript:void(0)"></a <a href="javascript:void(0)"></a <a href="javascript:void(0)"></a </div </div <script type="text/javascript">var n=0; function slider(index){ $("ul").stop().animate({marginLeft:-index*980},1000); $(".num_box a").removeClass("c").eq(index).addClass("c"); } //自动播放： t=setInterval(function(){ n++; n=n>=$(".num_box a").length?0:n; slider(n); },3000); //上一张： $(".prev").click(function(){ clearInterval(t); var index=$(".num_box a.c").index()-1; index=index<0?$(".num_box a").length-1:index; slider(index); }) //下一张： $(".next").click(function(){ clearInterval(t); var index=$(".num_box a.c").index()+1; index=index>=$(".num_box a").length?0:index; slider(index); }) //点击圆点向右滚动： $(".num_box a").click(function(){ clearInterval(t); var index=$(this).index(); slider(index); }) //鼠标移出按钮和圆点： $(".num_box a,.next,.prev").mouseout(function(){ clearInterval(t); t=setInterval(function(){ m=$(".num_box a.c").index()+1; m=m>=$(".num_box a").length?0:m; slider(m); },3000); })</script </body </html 来源：https://www.cnblogs.com/dyllove98/p/3211806.html 标签 轮播 background top 圆点
