幻灯片图片切换代码，JavaScript仿Flash效果

发布时间：2018-08-19 01:12:22 所属栏目：Asp教程来源：站长网

导读：幻灯片图片切换代码， Java Script仿Flash效果。一般情况下，网站首页专用的图片特效代码，旅游网站用着最合适了，支持图片说明，每一幅图片都可以加标题和简短的文字介绍，右下角有图片切换控制按钮，示例中仅有5张图片，不过在实际应用中，你可以添加

　　幻灯片图片切换代码，JavaScript仿Flash效果。一般情况下，网站首页专用的图片特效代码，旅游网站用着最合适了，支持图片说明，每一幅图片都可以加标题和简短的文字介绍，右下角有图片切换控制按钮，示例中仅有5张图片，不过在实际应用中，你可以添加更多的图片。

　　示例：

<!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> <title>JS图片幻灯片</title> <style> *{margin:0;padding:0;} ul,li,ol{ list-style:none;} img,a img{ border:none;} table{ border-collapse:collapse; border-spacing:0;} em,i,u{ font-style:normal;} a{ text-decoration:none;color:#434343;} a:hover{ text-decoration:underline; color:#ff4000;} body{font-size:12px; font-family:"宋体";color:#434343;} .clear{clear:both; font-size:0; overflow:hidden; height:0;} .blank10{clear:both; font-size:0; overflow:hidden; height:10px;} .blank{clear:both; font-size:0; overflow:hidden; height:10px; background:#FFF;} /*********content css定义***********/ #content{width:960px;margin:0 auto;} h1,h2,h3{ font-family:"<b>微软雅黑</b>";color:#00659b;} h1,h2,h3,h4,h5,h6{ font-weight:bold;} #footer{padding-bottom:0;margin:0px auto 0;} /*********main css定义***********/ .mb15 {margin-bottom: 0px;} #main{width:960px; margin:6px auto 10px; overflow:hidden;} /*********图片切换 css定义***********/ .sub_box{width:663px; height:310px; float:left; position:relative; overflow:hidden; border:1px solid #cccccc; background:url() center center no-repeat; *background:url() 220px 120px no-repeat;} .sub_box img{border:none; width:663px; height:310px;} #bd1lfimg{position:relative; width:663px; height:310px; overflow:hidden;} #bd1lfimg div{width:100000px; margin-left:-4px;} #bd1lfimg dl{width:663px; height:310px; position:relative; overflow:hidden; float:left;} #bd1lfimg dt{width:663px; height:310px; position:absolute; left:0px; top:0px;} #bd1lfimg dd{width:623px; height:80px; background:#000000; filter:alpha(Opacity=70); Opacity:0.7; position:absolute; left:0px; bottom:0px; padding:0 20px;} #bd1lfimg dd h2{height:25px; padding:8px 0 4px 0; line-height:25px; overflow:hidden;} #bd1lfimg dd h2 a{font-size:14px; font-weight:bold; color:#ffffff;} #bd1lfimg dd a{color:#ffffff; text-decoration:none;} #bd1lfimg dd a:hover{text-decoration:none; color:#cccccc;} #bd1lfimg dd tt{color:#dddddd; line-height:1.2em;} #bd1lfimg dd tt a:hover{text-decoration:underline;} .sub_nav{width:663px; height:25px; bottom:0px; position:absolute; color:#999999; z-index:200;} .sub_no{height:25px; float:right;} .sub_no li{display:block; width:25px; height:25px; float:left; overflow:hidden; line-height:25px; vertical-align:middle; text-align:center; background:#000000; filter:alpha(Opacity=70); Opacity:0.7; font-family:Arial; font-size:11px; color:#999999; cursor:pointer;} .sub_no li.show{background:#ffffff; color:#000000;} .sub_more{float:right; width:50px; height:25px; background:#000000; filter:alpha(Opacity=70); Opacity:0.7; color:#999999; text-align:center; line-height:25px;} .sub_more a{color:#999999;} .sub_more a:hover{color:#cccccc; text-decoration:none;} </style> <script type="text/javascript"> //选择器 function $a(id,tag){var re=(id&&typeof id!="string")?id:document.getElementById(id);if(!tag){return re;}else{return re.getElementsByTagName(tag);}} //焦点滚动图点击移动 function movec() { var o=$a("bd1lfimg",""); var oli=$a("bd1lfimg","dl"); var oliw=oli[0].offsetWidth; //每次移动的宽度 var ow=o.offsetWidth-2; var dnow=0; //当前位置 var olf=oliw-(ow-oliw+10)/2; o["scrollLeft"]=olf+(dnow*oliw); var rqbd=$a("bd1lfsj","ul")[0]; var extime;  var rq=$a("bd1lfsj","li"); for(var i=0;i<rq.length;i++){reg(i);}; oli[dnow].className=rq[dnow].className="show"; var wwww=setInterval(uu,2000); function reg(i){rq[i].onclick=function(){oli[dnow].className=rq[dnow].className="";dnow=i;oli[dnow].className=rq[dnow].className="show";mv();}} function mv(){clearInterval(extime);clearInterval(wwww);extime=setInterval(bc,15);wwww=setInterval(uu,8000);} function bc() { var ns=((dnow*oliw+olf)-o["scrollLeft"]); var v=ns>0?Math.ceil(ns/10):Math.floor(ns/10); o["scrollLeft"]+=v;if(v==0){clearInterval(extime);oli[dnow].className=rq[dnow].className="show";v=null;} } function uu() { if(dnow<oli.length-2) { oli[dnow].className=rq[dnow].className=""; dnow++; oli[dnow].className=rq[dnow].className="show"; } else{oli[dnow].className=rq[dnow].className="";dnow=0;oli[dnow].className=rq[dnow].className="show";} mv(); 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