jquery聚光灯插件

演示地址

代码片段 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquery聚光灯插件</title>
</head>
<body>
<style type="text/css">
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
img{vertical-align:middle}
/* lamp */
.lamp{height:366px;width:960px;position:relative;margin:0 auto;}
.lamp .sublight{position:absolute;display:block;overflow:hidden;}
.lamp .pic1{top:0;left:0;width:240px;height:366px;}
.lamp .pic2{top:0;left:240px;width:480px;height:183px;}
.lamp .pic3{top:0;left:720px;width:240px;height:183px;}
.lamp .pic4{top:183px;left:240px;width:240px;height:183px;}
.lamp .pic5{top:183px;left:480px;width:240px;height:183px;}
.lamp .pic6{top:183px;left:720px;width:240px;height:183px;}
</style>
<div class="lamp">
	<a target="_blank" href="javascript:void(0);" class="sublight pic1"><img src="images/dudu.jpg" title="DUDU 源自意大利的真皮风尚"></a>
	<a target="_blank" href="javascript:void(0);" class="sublight pic2"><img src="images/event_02.jpg" title="浪美 自由行走间的风尚标" /></a>
	<a target="_blank" href="javascript:void(0);" class="sublight pic3"><img src="images/gb3.jpg" title="戈尔本 成就男士商务之旅"></a>
	<a target="_blank" href="javascript:void(0);" class="sublight pic4"><img src="images/zne.jpg"title="卓妮尔 当优雅与摩登不期而遇"></a>
	<a target="_blank" href="javascript:void(0);" class="sublight pic5"><img src="images/fbs2.jpg"title="梵贝斯 来自东京武藏野设计"></a>
	<a target="_blank" href="javascript:void(0);" class="sublight pic6"><img src="images/xxbm2.jpg"title="希夏邦马 运动与旅行的完美结合"></a>
</div>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.8.2.min.js"></script>
<script type="text/javascript">
// 高亮效果
var blockHighLight = (function(window, $, undefined){
    var markers = [];
    return function(boxCls, itemCls, sizeArr){
        var box = $(boxCls);
        itemCls = itemCls || "a";
        box.find(itemCls).each(function(i){
            var self = $(this);
            var arr,w,h,marker;
            if(sizeArr !== undefined){
                arr = sizeArr[i].split(",");
                w = arr[0];
                h = arr[1];
            }else{
                w = self.find("img").attr("width");
                h = self.find("img").attr("height");
            }
            marker = $('<div style="cursor:pointer;top:0;left:0;position:absolute;width:'+w+'px;height:'+h+'px;filter:alpha(opacity=0);opacity: 0;background-color:#000;"></div>');
            self.append(marker);
            self.mouseover(function(){
                for(var i=0; i<markers.length; i++){
                    markers[i].show().css({"opacity":'0.2',"filter":"alpha(opacity=20)"});
                }
                marker.hide();
            });     
            markers.push(marker);
                
        });

        box.mouseout(function(){
            for(var i=0; i<markers.length; i++){
                markers[i].css({"opacity":'0',"filter":"alpha(opacity=0)"});
            }
        })
    }
})(this, $);
blockHighLight(
	".lamp", //父元素
	".sublight", //子元素集
	[
		'240,366', //第一张图片的宽高
		'480,183', //第二张图片的宽高
		'240,183', //第三张图片的宽高
		'240,183', //第四张图片的宽高
		'240,183', //第五张图片的宽高
		'240,183'  //第六张图片的宽高
	]
); 
</script>
</body>
</html>

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