本文主要和大家分享jQuery自訂換膚及菜單，主要以程式碼的形式體現我們先來看一下效果，希望能幫助大家。
結合右鍵顯示選單來做的
#效果圖：
##
[html] view plain copy
<!doctype html>
<html>
<head>
<meta charset="gbk">
<title>百度换肤</title>
<!--css,js-->
<style type="text/css">
*{margin:0;padding:0;}
img{border:none;margin:0px 1px 1px 0px;}
body{background:url("images/1.jpg") no-repeat;position:relative;
font-family:"微软雅黑";font-size:16px;}
.huanfu{width:100%;height:200px;background:#ececec;position:absolute;top:0px;left:0px;
display:none;z-index:2;}
.huanfu .hf_img{width:590px;height:180px;border:0px solid red;margin:0px auto;}
.huanfu .hf_img .one{width:196px;height:180px;background:;float:left;}
.huanfu .hf_img .two{width:98px;height:180px;background:;float:left;}
.huanfu .hf_img a:hover img{opacity:0.7;filter:alpha(opacity==70);}
.huanfu .hf_img img{float:left;position:relative;}
.menu{width:186px;background:#fff;box-shadow:1px 1px 35px #ccc;display:none;
position:absolute;z-index:3;}
.menu ul li{list-style:none;border:0px solid red;line-height:38px;padding-left:16px;
border-bottom:1px solid #ddd;cursor:pointer;}
.menu ul li:hover{background:#647E7C;color:#fff;}
#zb{font-size:40px;color:#fff;text-align:center;}
.text{width:470px;height:300px;margin:0px auto;background:#e8e8e8;position:absolute;
background-color: rgba(255,255,255,0.3);border-radius:4px;z-index:1;top:150px;
left:35%;}
.text p{font-weight:500;color:#000;font-size:20px;}
::selection {background:#006200; color:#fff;}
</style>
</head>
<body>
<!--huanfu start-->
<p class="huanfu">
<p class="hf_img">
<p class="one">
<a href="#">
<img src="images/1-1.jpg" width="195" height="119" alt=""/>
</a>
<a href="#">
<img src="images/2-2.jpg" width="97" height="59" alt=""/>
</a>
<a href="#">
<img src="images/3-3.jpg" width="97" height="59" alt=""/>
</a>
</p>
<p class="two">
<a href="#">
<img src="images/3-3.jpg" width="97" height="59" alt=""/>
</a>
<a href="#">
<img src="images/4-4.jpg" width="97" height="59" alt=""/>
</a>
<a href="#">
<img src="images/5-5.jpg" width="97" height="59" alt=""/>
</a>
</p>
<p class="one">
<a href="#">
<img src="images/8-8.jpg" width="97" height="59" alt=""/>
</a>
<a href="#">
<img src="images/9-9.jpg" width="97" height="59" alt=""/>
</a>
<a href="#">
<img src="images/7-7.jpg" width="195" height="119" alt=""/>
</a>
</p>
<p class="two">
<a href="#">
<img src="images/10-10.jpg" width="97" height="59" alt=""/>
</a>
<a href="#">
<img src="images/11-11.jpg" width="97" height="59" alt=""/>
</a>
<a href="#">
<img src="images/12-12.jpg" width="97" height="59" alt=""/>
</a>
</p>
</p>
</p>
<!--end huanfu-->
<!--menu start-->
<p class = "menu">
<ul>
<li onclick = "jy_menu(0)">打开</li>
<li class = "button">换肤</li>
<li class = "refresh">刷新(R)</li>
<li onclick = "jy_menu(3)">复制(C)</li>
<li onclick = "jy_menu(4)">粘贴(V)</li>
<li onclick = "jy_menu(5)">注销</li>
<li onclick = "jy_menu(6)">打印(I)...</li>
</ul>
</p>
<!--end menu-->
<p class = "text">
<p>只实现了刷新和换肤的功能^o^;选中文字的背景色是绿色！！！</p>
</p>
<p id = "zb"></p>
<script type="text/javascript" src="../js/jquery-1.11.1.min.js"></script>
<script type="text/javascript">
//首先屏蔽到浏览器自带的右键功能
document.oncontextmenu = function(){
return false;
};
//点击鼠标三键
$(document).mousedown(function(e){
//1是左键；2是中间键；3是右键
var key = e.which;
if(key == 3){
var x = e.clientX; //x坐标
var y = e.clientY; //y坐标
//获取menu的长宽
var menuHeight = $(".menu").height();
var menuWidth = $(".menu").width();
//获取浏览器的可见长宽
var clintHeight = getClientHeight();
var clintWidth = getClientWidth();
//判断
if(menuHeight + y >= clintHeight){
y = clintHeight - menuHeight - 8;
}
if(menuWidth + x >= clintWidth){
x = clintWidth - menuWidth - 8;
}
//$("#zb").html("x= " + x + "<br />y=" + y);显示坐标像素
//之前必须要绝对定位才行
$(".menu").show().css({left:x,top:y});
}
});
//点击空白隐藏鼠标右键
$(document).click(function(){
$(".menu").hide();
});
//响应事件
function jy_menu(i){
alert(i);
}
// 浏览器的可见高度
function getClientHeight() {
var clientHeight = 0;
if (document.body.clientHeight && document.documentElement.clientHeight) {
clientHeight = (document.body.clientHeight < document.documentElement.clientHeight) ? document.body.clientHeight: document.documentElement.clientHeight;
} else {
clientHeight = (document.body.clientHeight > document.documentElement.clientHeight) ? document.body.clientHeight: document.documentElement.clientHeight;
}
return clientHeight;
}
// 浏览器的可见宽度
function getClientWidth() {
var clientWidth = 0;
if (document.body.clientWidth && document.documentElement.clientWidth) {
clientWidth = (document.body.clientWidth < document.documentElement.clientWidth) ? document.body.clientWidth: document.documentElement.clientWidth;
} else {
clientWidth = (document.body.clientWidth > document.documentElement.clientWidth) ? document.body.clientWidth: document.documentElement.clientWidth;
}
return clientWidth;
}
$(function(){
//点击显示
$(".button").click(function(e){
$(".huanfu").slideToggle("slow");
// 不在派发事件
e.stopPropagation();
});
$(".huanfu .hf_img a").click(function(e){
// 用正则表达式将1-1.jpg 换成1.jpg
var src=$(this).find("img").attr("src").replace(/-\d*/,"");
// 修改样式
$("body").css("background","url("+src+")");
e.stopPropagation();
});
// 点击任意地方隐藏
$(document).click(function(e){
$(".huanfu").slideUp("slow");
e.stopPropagation();
});
});
</script>
</body>
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