<%@page import="java.sql.Connection"%>
<%@page import="java.net.ConnectException"%>
<%@page import="javax.sql.DataSource"%>
<%@page import="javax.naming.Context"%>
<%@page import="javax.naming.InitialContext"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
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>JNDI</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">
-->
</head>
<body>
This is my JSP page. <br>
<%
//读取jndi信息
//1.先创建上下文对象
/* Context cx=new InitialContext();
String str=(String)cx.lookup("java:comp/env/bdqn");
out.print(str); */
//读取数据源
Context cx=new InitialContext();
DataSource ds=(DataSource)cx.lookup("java:comp/env/jdbc/news");
Connection cn=ds.getConnection();
out.print(cn);
out.print("连接成功！");
%>
</body>
</html>