DIV+CSS布局网页页面实现多风格选择的方法

时间:2008-10-06 10:40:16  来源:第二电脑网上收集  作者:

  第二电脑网导读: && a.getAttribute("title")) {a.disabled = true;if(a.getAttribute("title") == title) a.disabled = false;}}}function getActiveStyleSheet() {var i, a;for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {if(a.getAttribute("rel").indexOf("style&q...
  正文:

1. styleswitcher.js
function setActiveStyleSheet(title) {
var i, a, main;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
a.disabled = true;
if(a.getAttribute("title") == title) a.disabled = false;
}
}
}

function getActiveStyleSheet() {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
}
return null;
}

function getPreferredStyleSheet() {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1
&& a.getAttribute("rel").indexOf("alt") == -1
&& a.getAttribute("title")
) return a.getAttribute("title");
}
return null;
}

function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}

window.onload = function(e) {
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
}

window.onunload = function(e) {
var title = getActiveStyleSheet();
createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);


2、Css调用:

CODE:
<link rel="stylesheet" type="text/css" href="default.css" /> //默认的样式这样调用
<link rel="stylesheet" type="text/css" href="one.css" title="name_one" /> //其他的样式这样调用
<link rel="stylesheet" type="text/css" href="two.css" title="name_two" />
...


3、JS调用:

CODE:
<script type="text/javascript" src="styleswitcher.js"></script>


4、风格选择的实现:
写在页面的body中

CODE:
<a href="#"
onclick="setActiveStyleSheet('',1);
return false;">默认样式</a>
<a href="#"
onclick="setActiveStyleSheet('name_one',1);
return false;">样式一</a>
<a href="#"
onclick="setActiveStyleSheet('name_two',1);
return false;">样式二</a>

"DIV+CSS布局网页页面实现多风格选择的方法"由第二电脑网原创提供,转载请注明:http://www.002pc.com/master/College/Page/css/2008-10-06/1766.html


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