1、新建项目文件夹如下图所示
2、编写index.html文件，代码如下：<DOCTYPE html>挢旗扦渌;<html><head媪青怍牙><meta charset="utf-8" /><title>lunbo</title><link href="css/style.css" rel="stylesheet"/> <script src="js/lunbo.js"> </script></head><body><div id="container"> <div id="list" style="left:-600px;"> <img src="images/5.jpg" alt="5.pg"/> <img src="images/1.jpg" alt="5.pg"/> <img src="images/2.jpg" alt="5.pg"/> <img src="images/3.jpg" alt="5.pg"/> <img src="images/4.jpg" alt="5.pg"/> <img src="images/5.jpg" alt="5.pg"/> <img src="images/1.jpg" alt="5.pg"/> </div> <div id="buttons"> <span index="1"class="on"> </span> <span index="2"></span> <span index="3"></span> <span index="4"></span> <span index="5"></span> </div> <a href="javascript:;" class="arrow" id="prev"><</a> <a href="javascript:;" class="arrow" id="next">></a></div></body></html>
3、编写style.css文件，代码如下：*{ margin:0px; text-decoration:none;} body{margin-top:50px;} #container{width:600px; height:400px; position:relative;border:3px solid #333;overflow: hidden; margin:0 auto;} #list{width:4200px; height:400px; position:absolute; z-index:1;} #list img{float:left;} #buttons{position:absolute; height:10px; width:100px; z-index:2; bottom:20px; left:250px;} #buttons span{cursor:pointer;/*假超链接样式*/ float:left; border:1px solid #fff; width:10px; height:10px; border-radius:10px; background:#333; margin-right:5px;} #buttons .on{background:orangered;} .arrow{cursor:pointer; display:none; line-height:39px; text-align:center; font-size:36px; font-weight:bold; width:40px; height:40px; position:absolute; z-index:2; top:180px; background-color: RGBA(0,0,0,.3); color:#fff;} .arrow:hover{background-color:RGBA(0,0,0,.7);} #container:hover .arrow{display:block;} #prev{left:20px;} #next{right:20px;}
4、编写control.js文件代码如下window.onload=functio艘绒庳焰n(){ var container=docu罪焐芡拂ment.getElementById('container'); var list=document.getElementById('list'); var buttons=document.getElementById('buttons').getElementsByTagName('span'); var pre=document.getElementById('prev'); var next=document.getElementById('next'); var index=1; var animated=false; var timer; function showButton(){ for(var i=0;i<buttons.length;i++){ if(buttons[i].className=='on'){ buttons[i].className=''; break; } } buttons[index-1].className="on"; } function animate(offset){ animated=true; var newleft=parseInt(list.style.left)+offset; var time=300;//位移总时间 var interval=10;//位移间隔时间 var speed=offset/(time/interval);//每一次的位移量 function go(){ if((speed<0&&parseInt(list.style.left)>newleft)||(speed>0&&parseInt(list.style. left)<newleft)){ list.style.left=parseInt(list.style.left)+speed+'px'; setTimeout(go,interval); } else{ animated=false; list.style.left=newleft+'px'; if(newleft>-600){ list.style.left=-3000+'px'; } if(newleft<-3000){ list.style.left=-600+'px'; } } } go(); } function play(){ timer=setInterval(function(){ next.onclick(); },3000); } function stop(){ clearInterval(timer); } next.onclick=function(){ if(index==5){ index=1; } else{ index+=1; } showButton(); if(animated==false){ animate(-600); } } pre.onclick=function(){ if(index==1){ index=5; } else{ index-=1; } showButton(); if(animated==false){ animate(600); } } for(var i=0;i<buttons.length;i++){ buttons[i].onclick=function(){ if(this.className=='on'){ return; } var myIndex=parseInt(this.getAttribute('index')); var offset=-600*(myIndex-index); index=myIndex; showButton(); if(animated==false){ animate(offset); } } } container.onmouseover=stop; container.onmouseout=play; play(); }
5、images文件的图片截图如下
6、运行效果截图如下：
