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图片的自动和手动切换

时间:2016-03-26 17:24:37      阅读:125      评论:0      收藏:0      [点我收藏+]

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技术分享
<!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>无标题文档</title>
<style type="text/css">
*{
    margin:0px;
    padding:0px;
    font-family:"微软雅黑";}

    
#tuijian{
    width:940px;
    height:500px;
    background-repeat:no-repeat;
    margin:auto;
    }
.pages{
    line-height:500px;
    background-color:#000;
    background-position:center;
    background-repeat:no-repeat;
    opacity:0.4;
    width:30px;
    height:60px;
    }
#p1 {
    background-image:url(zuo.jpg);
    float:left;
    margin:180px 0px 0px 10px;}
#p2{
    background-image:url(you.jpg);
    float:right;
    margin:180px 10px 0px 0px;}
    
</style>
</head>

<body>

<div id="tuijian" style="background-image:url(E8Z311O60R7W.jpg)">
<div class="pages" id="p1" onclick="dodo(-1)"></div>
<div class="pages" id="p2" onclick="dodo(1)"></div>


</div>

</body>
</html>
<script type="text/javascript">
var jpg=new Array();
jpg[0]="url(1212.jpg)";
jpg[1]="url(1213.jpg)";
jpg[2]="url(1214.jpg)";
var tjimg=document.getElementById("tuijian");
var xb=0;
var n=0;
function huan()
{
    xb++;
    if(xb==jpg.length)
    {
        xb=0;
        
        }
        
        tjimg.style.backgroundImage=jpg[xb];
        if(n==0)
        {
            var id=window.setTimeout("huan()",3000);
            }
    }
function dodo(m)
{
      n=1;
      xb=xb+m;
      if(xb<0)
      {
          xb=jpg.length-1;}
          else if(xb>=jpg.length)
          {
              xb=0;
          }
    tjimg.style.backgroundImage=jpg[xb];
}
window.setTimeout("huan()",3000);
</script>
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技术分享技术分享

图片的自动和手动切换

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原文地址:http://www.cnblogs.com/wangchuanqi/p/5323221.html

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