单击查看放大图片js效果

<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'testPicbig.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
	<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
	<style type="text/css">
		li{
			width:380px;
			float:left;
			list-style: none;
		}
		ul li img{
			width:240px;
			border:1px solid red;
			cursor: pointer;
		}
		#show{
			position: absolute;
			width:426px;
			height:293px;
			z-index: 200;
		}
		#info{
			position: absolute;
			top:380px;
			left:10px;
			margin-left: 28px;
			padding: 5px;
			width:416px;
			height: 45px;			
		}
		#photo{
			position: absolute;
			top:35px;
			left:35px;
			border:3px solid red;
			cursor: pointer;
		}
	</style>
	<script type="text/javascript">
		$(document).ready(function(){
		//找到li下所有img的值,单击图片事件
			$("div li:has(img)").click(function(){
				$("#show").fadeIn(300);  //显示图片效果
				//设置显示放大后的图片位置
				document.getElementById("show").style.left=$(window).width()/2-300;
				document.getElementById("show").style.top=$(window).height()/2-100;
				//获得图片路径
				var photo_url=$(this).find("img").attr("src");
				//设置图片路径
				$("#photo").find("img").attr("src",photo_url);
				//单击放大后的图片消失
				$("#photo").click(function(){
					$("#show").fadeOut(300); //图片消失效果
				});
			});
		});
	</script>
  </head>
  
  <body>
    <div>
    	<ul>
    	<li>
	    <img src="01.gif"></img></li>
		<li>
	    <img src="02.gif"></img>
		</li>
    	</ul>
    </div> 
    <div id="show" style="display: none;">
    	<div id="photo" style="height: 320px;">
    		<img style="height: 320px"/>
    	</div>
    	<div id="info"></div>
    </div>
  </body>
</html>

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