<!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>
<title>仿百度新闻菜单滑动动画</title>
<style type="text/css">
body, div, ul, li, a
{
margin: 0px;
padding: 0px;
font-size: 20px;
color: #FFF;
border: 0;
}
.div-nav-container
{
margin-top: 50px;
width: 100%;
background-color: #01204F;
}
.div-nav
{
width: 870px;
margin: 0px auto;
}
ul
{
list-style: outside none none;
width: 100%;
height: 50px;
}
ul li
{
float: left;
}
ul li a
{
line-height: 50px;
display: block;
padding: 0px 15px;
text-align: center;
text-decoration: none;
}
</style>
</head>
<body>
<div class="div-nav-container">
<div class="div-nav">
<ul>
<li><a href="javascript:void(0)">网站首页</a></li>
<li><a href="javascript:void(0)">热点</a> </li>
<li><a href="javascript:void(0)">国际新闻</a> </li>
<li><a href="javascript:void(0)">国内新闻</a> </li>
<li><a href="javascript:void(0)">国家政策</a> </li>
<li><a href="javascript:void(0)">体育新闻</a> </li>
<li><a href="javascript:void(0)">娱乐新闻</a> </li>
<li><a href="javascript:void(0)">名人</a> </li>
<li><a href="javascript:void(0)">古迹</a> </li>
</ul>
</div>
</div>
</body>
</html>
<style type="text/css">
.div-hover
{
background-color: Red;height: 50px;
left: 0px;
top: 0px;
width: 0px;
}
</style>
<div class="div-nav">
<!--添加滑动背景-->
<div class="div-hover">
</div>
<ul>
...
</ul>
</div>
<script type="text/javascript">
var divHoverLeft = 0;
var aWidth = 0;
$(document).ready(function () {
$("a").on({
'mouseover': function () {
SetDivHoverWidthAndLeft(this);
//设置滑动动画
$(".div-hover").stop().animate({ width: aWidth, left: divHoverLeft }, 150);
}
});
});
function SetDivHoverWidthAndLeft(element) {
divHoverLeft = GetLeft(element);
aWidth = GetWidth(element);
}
//获得Li宽度
function GetWidth(ele) {
return $(ele).parent().width();
}
//获得div-hover左边距
function GetLeft(element) {
//获得li之前的同级li元素
var menuList = $(element).parent().prevAll();
var left = 0;
//计算背景遮罩左边距
$.each(menuList, function (index, ele) {
left += $(ele).width();
});
return left;
}
</script>
<style type="text/css">
.div-nav
{
width: 870px;
margin: 0px auto;
/*作为div-hover的父元素定位参照*/
position: relative;
}
.div-hover
{
background-color: Red;
height: 50px;
left: 0px;
top: 0px;
width: 0px;
/*以父元素绝对定位*/
position: absolute;
}
</style>
<style type="text/css">
ul li
{
float: left;
/*****Start(作用:导航文字浮于div-hover红色之上)*******/
position: relative;
z-index: 4;
/*********************End*************************/
}
</style>
<style type="text/css">
/**设置菜单激活***/
.active
{
background-color: Red;
}
</style>
<script type="text/javascript">
var divHoverLeft = 0;
var aWidth = 0;
$(document).ready(function () {
$("a").on({
'mouseover': function () {
SetDivHoverWidthAndLeft(this);
//设置滑动动画
$(".div-hover").stop().animate({ width: aWidth, left: divHoverLeft }, 150);
},
/*添加点击事件*/
'click': function () {
SetDivHoverWidthAndLeft(this);
//清除所有a标签class
$('a').removeClass();
//设置当前点击菜单为激活状态
$(this).addClass('active');
}
});
});
</script>
</head>
<body>
<div class="div-nav-container">
<div class="div-nav">
<!--添加滑动背景-->
<div class="div-hover">
</div>
<ul>
<--默认菜单激活-->
<li><a class="active" href="javascript:void(0)">网站首页</a></li>
…………
</ul>
</div>
</div>
</body>
</html>
$("ul").on({
'mouseout': function (event) {
/*动画定位div-hover位置到激活元素*/
}
});
<script type="text/javascript">
var divHoverLeft = 0;
var aWidth = 0;
$(document).ready(function () {
//菜单滑动动画
$("a").on({
'mouseover': function () {
SetDivHoverWidthAndLeft(this);
//设置滑动动画
$(".div-hover").stop().animate({ width: aWidth, left: divHoverLeft }, 150);
}
'click': function () {
SetDivHoverWidthAndLeft(this);
//清除所有a标签class
$('a').removeClass();
//设置当前点击菜单为激活状态
$(this).addClass('active');
$(".h-width").val(aWidth);
$(".h-left").val(divHoverLeft);
}
});
/*鼠标滑出UL或者div-nav背景div-hover自动定位到激活菜单处*/
$("ul").on({
'mouseout': function (event) {
$(".div-hover").stop().animate({ width: $(".h-width").val(), left: $(".h-left").val() }, 150);
}
});
});
function SetDivHoverWidthAndLeft(element) {
divHoverLeft = GetLeft(element);
aWidth = GetWidth(element);
}
............
</script>
</head>
<body>
<div class="div-nav-container">
<div class="div-nav">
<!--添加滑动背景-->
<div class="div-hover">
</div>
<ul>
<li><a class="active" href="javascript:void(0)">网站首页</a></li>
...........
</ul>
</div>
</div>
<input type="hidden" class="h-width" value="110" />
<input type="hidden" class="h-left" value="0" />
</body>
</html>
<script type="text/javascript">
..........
$(document).ready(function () {
/*鼠标滑出UL或者div-nav背景div-hover自动定位到激活菜单处*/
$("ul").on({
'mouseout': function (event) {
$(".div-hover").stop().animate({ width: $(".h-width").val(), left: $(".h-left").val() }, 150);
/**阻止冒泡**/
event.stopPropagation();
//return false;
}
});
});
.......
</script>
<!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>
<title>仿百度新闻菜单滑动动画</title>
<style type="text/css">
body, div, ul, li, a
{
margin: 0px;
padding: 0px;
font-size: 20px;
color: #FFF;
border: 0;
}
.div-nav-container
{
margin-top: 50px;
width: 100%;
background-color: #01204F;
}
.div-nav
{
/*作为div-hover的父元素定位参照*/
position: relative;
width: 870px;
margin: 0px auto;
}
.div-hover
{
background-color: Red;
/*以父元素绝对定位*/
position: absolute;
height: 50px;
left: 0px;
top: 0px;
width: 0px;
}
ul
{
list-style: outside none none;
width: 100%;
height: 50px;
}
ul li
{
float: left;
/*****Start(作用:导航文字浮于div-hover红色之上)*******/
position: relative;
z-index: 4;
/*********************End*************************/
}
ul li a
{
line-height: 50px;
display: block;
padding: 0px 15px;
text-align: center;
text-decoration: none;
}
/**设置菜单激活***/
.active
{
background-color: Red;
}
</style>
<script src="../js/jquery-1.11.3.min.js" type="text/javascript"></script>
<script type="text/javascript">
var divHoverLeft = 0;
var aWidth = 0;
$(document).ready(function () {
//菜单滑动动画
$("a").on({
/*此处用mouseover或者mouseenter均可,如果以后要为X标签同时添加悬停和移出事件,建议用enter和leave也就是传说中的hover事件,因为里面事件冒泡已经处理过,就不会出现类似over和out之类的情况了*/
'mouseenter': function () {
SetDivHoverWidthAndLeft(this);
//设置滑动动画
$(".div-hover").stop().animate({ width: aWidth, left: divHoverLeft }, 150);
},
'click': function () {
SetDivHoverWidthAndLeft(this);
//清除所有a标签class
$('a').removeClass();
//设置当前点击菜单为激活状态
$(this).addClass('active');
$(".h-width").val(aWidth);
$(".h-left").val(divHoverLeft);
}
});
/*鼠标滑出UL或者div-nav背景div-hover自动定位到激活菜单处*/
//mouseleave事件定位到ul或者div-nav均可
$("ul").on({
'mouseleave': function (event) {
$(".div-hover").stop().animate({ width: $(".h-width").val(), left: $(".h-left").val() }, 150);
}
});
});
function SetDivHoverWidthAndLeft(element) {
divHoverLeft = GetLeft(element);
aWidth = GetWidth(element);
}
//获得Li宽度
function GetWidth(ele) {
return $(ele).parent().width();
}
//获得div-hover左边距
function GetLeft(element) {
//获得li之前的同级li元素
var menuList = $(element).parent().prevAll();
var left = 0;
//计算背景遮罩左边距
$.each(menuList, function (index, ele) {
left += $(ele).width();
});
return left;
}
</script>
</head>
<body>
<div class="div-nav-container">
<div class="div-nav">
<!--添加滑动背景-->
<div class="div-hover">
</div>
<ul>
<li><a class="active" href="javascript:void(0)">网站首页</a></li>
<li><a href="javascript:void(0)">热点</a> </li>
<li><a href="javascript:void(0)">国际新闻</a> </li>
<li><a href="javascript:void(0)">国内新闻</a> </li>
<li><a href="javascript:void(0)">国家政策</a> </li>
<li><a href="javascript:void(0)">体育新闻</a> </li>
<li><a href="javascript:void(0)">娱乐新闻</a> </li>
<li><a href="javascript:void(0)">名人</a> </li>
<li><a href="javascript:void(0)">古迹</a> </li>
</ul>
</div>
</div>
<input type="hidden" class="h-width" value="110" />
<input type="hidden" class="h-left" value="0" />
</body>
</html>
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