日期:2014-05-16 浏览次数:20480 次
<!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="textml; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
.box{ width:500px; height:300px; border:5px solid #00F;position:relative;}
.left,.right{display:block;top:0;width:50px; height:300px;position:absolute;
}
.left span,.right span{position:relative;}
.left{left:0;}
.right{right:0;}
.right{ float:right;}
</style>
<SCRIPT type=text/javascript src="http://d.lanrentuku.com/down/js/xiangce-848/js/jquery.js"></SCRIPT>
<script type="text/javascript">
    $(function(){
                   $(".left,.right").mouseover(function(){
                                             $(this).html("<span><img src='images/leftbig.png'></span>")
                                              }).mouseout(function(){
                                                  $(this).html("")
                                            })
               })
</script>
</head>
<body>
<div class="box">
<div><img src="http://d.lanrentuku.com/down/js/xiangce-848/images/42813100.jpg" width="500" height="300" /></div>
    <a class="left" href="#"></a>
    <a class="right"  href="#"></a>
</div>
</body>
<a class="left" href="#"> </a>
    <a class="right"  href="#"> </a>
------解决方案--------------------
问题回答在
http://topic.csdn.net/u/20120904/20/0d77285f-7d03-44cd-b2f0-5881700dfbfd.html
上传了一个在线测试的代码demo,参照:http://jsfiddle.net/M3AXV/
------解决方案--------------------
.left,.right{display:block;top:0;width:50px; height:300px;position:absolute;background:url(about:blank)}