日期:2014-05-16 浏览次数:20417 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="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript" src="js/jquery-1.7.2.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(function(){
var len=2;//控制要显示的数量
var arr=$(".div_d:not(:hidden)");
var gao=$(".div_d").height()*($(".div_d").length/2);
var xgao=$(".div_d").height()
if(arr.length>len){
$('.div_d:gt('+(len-1)+')').hide();
}
$('.div_btn').click(function(){
if(arr.length>len){
$('.div_d:gt('+(len-1)+')').show();
$('.div_c').height(gao);
}
else
{
$('.div_d:gt('+(len-1)+')').hide();
$('.div_c').height(xgao);
alert(1111)
}
})
})
});
</script>
<style type="text/css">
*{
margin:0;
padding:0;
}
.div{
width:800px;
float:left;
}
.div_c{
width:800px;
height:320px;
float:left;
}
.div_d{
width:373px;
height:300px;
border:1px solid #BFBFBF;
float:left;
margin-right:10px;
margin-top:10px;
}
.div_btn{
width:800px;
height:30px;
float:left;
background:#099;
color:#FFF;
line-height:30px;
text-align:center;
margin-top:20px;
cursor:pointer;
}
</style>
</head>
<body>
<div class="div">
<div class="div_c">
<div class="div_d"></div>
<div class="div_d"></div>
<div class="div_d"></div>
<div class="div_d"></div>
<div class="div_d"></div>
<div class="div_d"></div>
</div>
<div class="div_btn">点击</div>
</div>
</body>
</html>
<!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>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script