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【锋利的JQuery-学习笔记】切换网页皮肤-且保存于Cookie

2024-07-02 09:40:05   225人阅读

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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