<!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 >仿花瓣网的自动悬浮导航效果</ title > |
< style type = "text/css" > |
body, h1, ul { |
margin:0; |
} |
ul li { |
list-style-type:none; |
} |
#header { |
width:100%; |
border-top:solid 1px #ccc; |
border-bottom:solid 1px #ccc; |
text-align:center; |
} |
h1 { |
padding:10px 0; |
color:#D74452; |
} |
.nav { |
width:100%; |
background:#fff; |
margin:20px auto 0; |
border:solid 1px #ccc; |
zoom:1; |
border-radius:5px; |
box-shadow:0 1px 6px rgba(0, 0, 0, 0.1); |
color:#D74452; |
} |
.nav_scroll { |
position:fixed; |
width:100%; |
margin:0; |
left:0; |
top:0; |
} |
.nav:after { |
content:""; |
display:block; |
height:0; |
clear:both; |
visibility:hidden; |
} |
.nav ul li { |
float:left; |
margin:0 20px; |
height:30px; |
line-height:30px; |
} |
.nav ul li a { |
cursor:pointer; |
} |
.nav ul li a:hover { |
text-decoration:underline; |
} |
h2 { |
height:400px; |
line-height:400px; |
} |
</ style > |
< script src = "http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type = "text/javascript" ></ script > |
< script type = "text/javascript" > |
$(document).ready(function(){ |
var topMain=$("#header").height()+20//是头部的高度加头部与nav导航之间的距离。 |
var nav=$(".nav"); |
$(window).scroll(function(){ |
if ($(window).scrollTop()>topMain){//如果滚动条顶部的距离大于topMain则就nav导航就添加类.nav_scroll,否则就移除。 |
nav.addClass("nav_scroll"); |
} |
else |
{ |
nav.removeClass("nav_scroll"); |
} |
}); |
|
}) |
</ script > |
</ head > |
< body > |
< div id = "header" > |
< h1 >花瓣网</ h1 > |
</ div > |
<!--header--> |
< div class = "nav" > |
< ul > |
< li >< a >关注</ a ></ li > |
< li >< a >最新</ a ></ li > |
< li >< a >最热</ a ></ li > |
< li >< a >视频</ a ></ li > |
< li >< a >家居</ a ></ li > |
< li >< a >旅行</ a ></ li > |
</ ul > |
</ div > |
<!--nav--> |
< div style = "background:#f9f9f9;color:#000;" id = "cont" > |
< h2 >1</ h2 > |
< h2 >2</ h2 > |
< h2 >3</ h2 > |
< h2 >4</ h2 > |
< h2 >5</ h2 > |
< h2 >6</ h2 > |
< h2 >7</ h2 > |
< h2 >8</ h2 > |
< h2 >1</ h2 > |
< h2 >2</ h2 > |
< h2 >3</ h2 > |
< h2 >4</ h2 > |
< h2 >5</ h2 > |
< h2 >6</ h2 > |
< h2 >7</ h2 > |
< h2 >8</ h2 > |
</ div > |
</ body > |
</ html > |
高级设计师
by: 神马 发表于:2012-09-15 18:00:49 顶(1) | 踩(0) 回复
呵呵,正要用到!
回复评论