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【锋利的JQuery-学习笔记】切换网页皮肤-且保存于Cookie

2014-05-01 12:03 766 查看
切换网页皮肤：

html片段：

<head>
<link rel="stylesheet" href="styles/skin/skin_0.css" type="text/css" id="cssfile" />
</head>

<ul id="skin">
<li id="skin_0" title="蓝色" class="selected">蓝色</li>
<li id="skin_1" title="紫色">紫色</li>
<li id="skin_2" title="红色">红色</li>
<li id="skin_3" title="天蓝色">天蓝色</li>
<li id="skin_4" title="橙色">橙色</li>
<li id="skin_5" title="淡绿色">淡绿色</li>
</ul>

<script src="scripts/jquery.js" type="text/javascript"></script>
<script src="scripts/jquery.cookie.js" type="text/javascript"></script>

<script src="scripts/changeSkin.js" type="text/javascript"></script>


View Code

css：

/* 切换皮肤控件样式 */
#skin {
float:right;
margin:10px;
padding:4px;
width:120px;
}
#skin li {
float:left;
margin-right:4px;
width:15px;
height:15px;
text-indent:-9999px;
overflow:hidden;
display:block;
cursor:pointer;
background-image:url("../images/theme.gif");
}
#skin_0 { background-position:0px 0px; }
#skin_1 { background-position:15px 0px; }
#skin_2 { background-position:35px 0px; }
#skin_3 { background-position:55px 0px; }
#skin_4 { background-position:75px 0px; }
#skin_5 { background-position:95px 0px; }
#skin_0.selected { background-position:0px 15px; }
#skin_1.selected { background-position:15px 15px; }
#skin_2.selected { background-position:35px 15px; }
#skin_3.selected { background-position:55px 15px; }
#skin_4.selected { background-position:75px 15px; }
#skin_5.selected { background-position:95px 15px; }


其中../images/theme.gif如下：



changeSkin.js

$(function () {
var $lis = $("#skin li");
$lis.click(function () {
SwichSkin(this.id);
SetSkinCooke(this.id);
});

setSkinFromCookie();
});

function SwichSkin(skinName) {
$("#" + skinName).addClass("selected")
.siblings().removeClass("selected");

var cssfilePath = "styles/skin/" + skinName + ".css";
$("#cssfile").attr("href", cssfilePath);
}

function SetSkinCooke(skinName) {
$.cookie("MyCssSkin", skinName, { path: '/', expires: 1 });
}

function setSkinFromCookie() {
var skinCookie = $.cookie("MyCssSkin");
if (skinCookie) {
SwichSkin(skinCookie);
SetSkinCooke(skinCookie);
}
}
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