标签:html func eve nbsp back document oct client play
<!DOCTYPE html>
<html>
<head>
	<title></title>
	<style type="text/css">
	*{
		margin:0;
		padding: 0;
	}
	#du{
		width: 1200px;
		height: 800px;
		margin: 100px;
		position: relative;
		
	}
	
	.small{
		position: absolute;
		width: 260px;
		height: 140px;
		left: 0px;
		top: 0px;
	}
	.sz{
		width: 100px;
		height: 100px;
		position: absolute;
		left: 0;
		top: 0;
		background: rgba(233,23,233,0.4);
		display: none;
	}
	.small img{
		width: 260px;
		height: 140px;
	}
	.big{
		margin-left: 20px;
		position: absolute;
		left: 260px;
		top: 0px;
		display: none;	
	}
	.big .dz{
		width: 400px;
		height: 400px;
		position: absolute;
		left: 0;
		top: 0;
		overflow: hidden;
	}
	.big img{
		width: 1040px;
		height:560px;
	}
	</style>
	<script type="text/javascript">
	window.onload = function(){
		var oSmall = document.getElementsByClassName(‘small‘)[0];
		var oBig = document.getElementsByClassName(‘big‘)[0];
		var oSz = document.getElementsByClassName(‘sz‘)[0];
		var oDz = document.getElementsByClassName(‘dz‘)[0];
		var oImg = document.getElementsByTagName(‘img‘)[1];
		var _left = 0;
		var _top = 0;
		oSmall.onmouseover = function(){
			oBig.style.display=‘block‘;
			oSz.style.display = ‘block‘;
			
		};
		oSmall.onmousemove = function(evt){
			var e = evt || event;
			// alert(oSmall.offsetLeft)
			_left = e.clientX - 100 - oSz.offsetWidth/2;
			_top = e.clientY- 100 - oSz.offsetHeight/2;
			if(_left<0){
				_left=0;
			}else if(_left>oSmall.offsetWidth-oSz.offsetWidth){
				_left = oSmall.offsetWidth-oSz.offsetWidth;
			}
			if(_top<0){
				_top=0;
			}else if(_top>oSmall.offsetHeight-oSz.offsetHeight){
				_top = oSmall.offsetHeight-oSz.offsetHeight;
			}
			oSz.style.left = _left+‘px‘;
			oSz.style.top = _top+‘px‘;
		
			oImg.style.marginLeft= -4 * _left+‘px‘;
			oImg.style.marginTop = -4 * _top+‘px‘;
		};
		oSmall.onmouseout = function(){
			oBig.style.display=‘none‘;
			oSz.style.display = ‘none‘;
				
		};
	};
	</script>
</head>
<body>
<div id="du">
	<div class="small">
		<div class="sz"></div>
		<img src="0.jpg">
	</div>
	<div class="big">
		<div class="dz">
		<img src="0.jpg">
		</div>
		
	</div>
</div>
</body>
</html>
标签:html func eve nbsp back document oct client play
原文地址:http://www.cnblogs.com/gulinsai/p/6953345.html