测试jndi 连接

<%@ page contentType="text/html; charset=gb2312" %>
 <%@ page import="javax.naming.Context" %>
 <%@ page import="javax.sql.DataSource"%>
<%@ page import="javax.naming.InitialContext"%>
<%@ page import="java.sql.*"%>
<%
try{
    Context initContext = new InitialContext();
    DataSource ds = (DataSource)initContext.lookup("java:/jboss/datasources/MysqlDs");
    if(ds!=null) {
        out.println("已经获得DataSource!");
        out.println("<br>");
        Connection conn = ds.getConnection();
        Statement stmt=conn.createStatement();
        ResultSet rs=stmt.executeQuery("select * from table_person");
        out.println("以下是从数据库中读取出来的数据");
        out.println("<br>");
        while(rs.next()) {
            out.println("person_name:"+rs.getString("person_name"));
            out.println("<br>"); }
        rs.close();
        stmt.close();
        conn.close();
        } else
            out.println("连接失败!"); }
       catch(Exception ne) {
           out.println(ne);
           }

%>