只有商品展示，没有数据
各位大神帮忙看看哪里错了？
<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
<%@ page import="dao.ItemsDao" %>
<%@ page import="entity.Items" %>
<%
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 'index.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">
-->
<style type="text/css">
div{
float:left;
margin: 10px;
}
div dd{
margin:0px;
font-size:10pt;
}
div dd.dd_name
{
color:blue;
}
div dd.dd_city
{
color:#000;
}
</style>
</head>
<body>
<h1>商品显示页面</h1>
<hr>
<center>
<table width="750" height="60" cellspacing="0" cellpadding="0" border="0" >
<tr>
<td>
<%
ItemsDao itemDao = new ItemsDao();
ArrayList<Items> list = itemDao.getArrayList();
if(list!=null&&list.size()>0){
for(int i = 0 ; i < list.size() ; i ++){
Items item = new Items();
%>
<div>
<dl>
<dt>
<a href="details.jsp?id=<%=item.getId()%>"><img src="images/<%=item.getPicture()%>" width="120" height="90" border="1"/></a>
</dt>
<dd class="dd_name"><%=item.getName() %></dd>
<dd class="dd_city">产地：<%=item.getCity() %> 价格：¥<%=item.getPrice() %></dd>
</dl>
</div>
<%
}
}
%>
</td>
</tr>
</table>
</center>
</body>
</html>
