<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>N4N</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js" type="text/javascript"></script>
<script>
/**
* @author Alexander Farkas
* v. 1.21
*/
(function($) {
if(!document.defaultView || !document.defaultView.getComputedStyle){ // IE6-IE8
var oldCurCSS = jQuery.curCSS;
jQuery.curCSS = function(elem, name, force){
if(name === 'background-position'){
name = 'backgroundPosition';
}
if(name !== 'backgroundPosition' || !elem.currentStyle || elem.currentStyle[ name ]){
return oldCurCSS.apply(this, arguments);
}
var style = elem.style;
if ( !force && style && style[ name ] ){
return style[ name ];
}
return oldCurCSS(elem, 'backgroundPositionX', force) +' '+ oldCurCSS(elem, 'backgroundPositionY', force);
};
}
var oldAnim = $.fn.animate;
$.fn.animate = function(prop){
if('background-position' in prop){
prop.backgroundPosition = prop['background-position'];
delete prop['background-position'];
}
if('backgroundPosition' in prop){
prop.backgroundPosition = '('+ prop.backgroundPosition;
}
return oldAnim.apply(this, arguments);
};
function toArray(strg){
strg = strg.replace(/left|top/g,'0px');
strg = strg.replace(/right|bottom/g,'100%');
strg = strg.replace(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");
var res = strg.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);
return [parseFloat(res[1],10),res[2],parseFloat(res[3],10),res[4]];
}
$.fx.step. backgroundPosition = function(fx) {
if (!fx.bgPosReady) {
var start = $.curCSS(fx.elem,'backgroundPosition');
if(!start){//FF2 no inline-style fallback
start = '0px 0px';
}
start = toArray(start);
fx.start = [start[0],start[2]];
var end = toArray(fx.options.curAnim.backgroundPosition);
fx.end = [end[0],end[2]];
fx.unit = [end[1],end[3]];
fx.bgPosReady = true;
}
//return;
var nowPosX = [];
nowPosX[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];
nowPosX[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];
fx.elem.style.backgroundPosition = nowPosX[0]+' '+nowPosX[1];
};
})(jQuery);
</script>
<script>
$(document).ready(function() {
$("ul#nav li a").addClass("js");
$("ul#nav li a").hover(
function () {
$(this).stop(true,true).animate({backgroundPosition:"(0 0)"}, 200);
$(this).animate({backgroundPosition:"(0 -5px)"}, 150);
},
function () {
$(this).animate({backgroundPosition:"(0 -149px)"}, 200);
}
);
});
</script>
<style>
html, body, div {
margin: 0; padding: 0; border: 0;
}
body {
background: #f5f0e0 url(noise.png);
}
ul#nav {
width: 900px; margin: 0 auto; text-align: center; overflow: hidden;
background: url(bg.jpg) center no-repeat;
}
ul#nav li {
float: left; list-style: none;
}
ul#nav li a {
display: block; width: 97px; height: 77px;
padding: 72px 0 0 0; margin: 0 32px 0 32px;
font: bold 16px Helvetica, Arial, Sans-Serif; text-transform: uppercase;
color: #9c5959; text-shadow: 0 1px 3px #c4bda6; text-decoration: none;
background: url(label.png) 0 -149px no-repeat;
}
ul#nav li a:hover {
background: url(label.png) 0 0 no-repeat;
color: #eee9d9; text-shadow: 0 2px 3px #4c2222;
}
ul#nav li a.js:hover {
background: url(label.png) 0 -149px no-repeat;
}
#topHdr {
}
</style>
</head>
<body>
<div id=topHdr>
<div>
<ul id="nav">
<li><a href="#" title="Home">Home</a></li>
<li><a href="#" title="Events">Events</a></li>
<li><a href="#" title="About">About</a></li>
<li><a href="#" title="Extras">Extras</a></li>
<li><a href="#" title="Share Links">Share It</a></li>
</ul>
</div>
</div>
</body>
</html>
使用上述脚本后的屏幕截图:http://img148.imageshack.us/img148/3513/beforek.gif
我正试图在家的左边添加一个徽标,如下所示:http://img687.imageshack.us/img687/9005/afterg.gif
我在哪里更改CSS以实现这一目标?
答案 0 :(得分:0)
很简单,您需要在无序列表的顶部添加一个新的列表元素,其中包含您想要的图像。像这样:
<ul id="nav">
<li><img src="some_image.png" /></li>
<li><a href="#" title="Home">Home</a></li>
......
</ul>
然后你想要设置样式,以便它适合你的其他列表元素。这样的事情应该做:
ul#nav li {
width: 97px; height: 77px;
}
您可以通过多种方式对图像进行不同的设置,我个人会更改CSS的结构,但快速修复只是为了设置所有列表元素的样式。