シミュレーションショッピングサイト商品拡大鏡実現
3828 ワード
<!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> </title>
<style type="text/css">
#div1 { width: 120px; height: 90px; padding: 5px; border: 1px solid #ccc; position: relative; }
#div1 .small_pic { width: 120px; height: 90px; background: #eee; position: relative; }
#div1 .float_layer { width: 50px; height: 50px; border: 1px solid #000; background: #fff; filter: alpha(opacity: 30); opacity: 0.3; position: absolute; top: 0; left: 0; display:none; }
#div1 .mark {width:100%; height:100%; position:absolute; z-index:2; left:0px; top:0px; background:red; filter:alpha(opacity:0); opacity:0;}
#div1 .big_pic { position: absolute; top: -1px; left: 215px; width:250px; height:250px; overflow:hidden; border:2px solid #CCC; display:none; }
#div1 .big_pic img { position:absolute; top: -30px; left: -80px; }
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window.onload=function ()
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var oDiv=document.getElementById('div1');
var oMark=getByClass(oDiv, 'mark')[0];
var oFloat=getByClass(oDiv, 'float_layer')[0];
var oBig=getByClass(oDiv, 'big_pic')[0];
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oMark.onmouseover=function ()
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oFloat.style.display='block';
oBig.style.display='block';
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oFloat.style.display='none';
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var percentX=l/(oMark.offsetWidth-oFloat.offsetWidth);
var percentY=t/(oMark.offsetHeight-oFloat.offsetHeight);
oImg.style.left=-percentX*(oImg.offsetWidth-oBig.offsetWidth)+'px';
oImg.style.top=-percentY*(oImg.offsetHeight-oBig.offsetHeight)+'px';
};
};
</script>
</head>
<body>
<div id="div1">
<div class="small_pic">
<span class="mark"></span>
<span class="float_layer"></span>
<img src="http://www.codefans.net/jscss/demoimg/wall_s6.jpg" /></div>
<div class="big_pic"><img src="http://www.codefans.net/jscss/demoimg/wall6.jpg" /></div>
</div>
</body>
</html>