JQ 中间浮窗精简版

basic.css

/*
* -- 样式说明 --
* 最大优先实现法,全局能实现不用区域,区域能实现不用模板,模板能实现不用界面,界面能实现不用标签
* g - 全局
* t - 区域
* m - 模板
* ui - 界面
* lb - 标签
* j - 脚本 只使用在有JS操作的样式
*/
/*公共样式*/
html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, figure, footer, header, menu, nav, section, time, mark, audio, video, details, summary{ margin:0; padding:0;}
body{ font-family:Helvetica,Tahoma,Arial,sans-serif; color:#333; font-size:16px; background-color:#fff;}
input, select, textarea{ font-family:Helvetica,Tahoma,Arial,sans-serif; background:#fff; margin:0; padding:0; outline:none;}
textarea{ resize:none;}
img{ border:none;}
i, em{ font-style:normal;}
ul li{ list-style-type:none;}
a{ color:#06f; text-decoration:none;}
a:hover{ color:#06f; text-decoration:underline;}

/*全局样式*/
.g-fl{ float:left;}
.g-fr{ float:right;}
.g-c{ clear:both;}

index.html

<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1, user-scalable=no">
<title>中间浮窗</title>
<link href="css/basic.css" rel="stylesheet">
<script src="js/jquery-1.10.1.min.js"></script>
</head>
<body>
<div style="height:10000px;"></div>
<style type="text/css">
/*建议先隐藏浮窗的样式 display:none*/
.j-fixcenter{ height:120px; width:219px; background:#f60; display:none; position:fixed; }
</style>
<div id="fixCenter" class="j-fixcenter">
    <img src="img/fixCenter.jpg" width="219" height="120" usemap="#fixCenterMap">
    <!--绘制地图,把图片哪个位置要点击的绘制出来-->
    <map name="fixCenterMap" id="fixCenterMap">
    	<area shape="rect" coords="175,0,219,30" href="javascript:void();" id="closeFixCenter" />
        <area shape="rect" coords="0,30,219,94" href ="###2" />
        <area shape="rect" coords="0,94,219,120" href ="###3" />
    </map>
</div>
<script type="text/javascript">
$(function(){
	//调用浮窗方法
	fixCenter();
});
//当调整浏览器窗口的大小时,发生 resize 事件
$(window).resize(function(){
	//重置浮窗定位
	fixCenterGetPosition();
});
function fixCenter(){
	//获取浮窗定位
	fixCenterGetPosition();
	//获取在浮窗的元素ID
	var fid = $("#fixCenter");
	//渐变显示元素
	fid.fadeIn(600);
	//关闭按钮的点击事件
	$("#closeFixCenter").click(function(){
		//渐变隐藏元素,三秒后重新显示
		fid.fadeOut(600).delay(3000).fadeIn(600);
	});		
}
function fixCenterGetPosition(){
	var fid = $("#fixCenter");
	//获取当前窗口的高度
	var h = $(window).height();
	//获取当前窗口的宽度
	var w = $(window).width();
	//计算要定位左侧距离
	var left = (w/2) - parseInt(fid.css("width")) / 2;
	//计算要定位上侧距离
	var top = (h/2) - parseInt(fid.css("height")) / 2;
	//设置定位距离的样式
	fid.css({"left":(left) + "px", "top": (top) + "px" }); 
}
</script>
</body>
</html>

效果图:

 

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转载自onestopweb.iteye.com/blog/2294832
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