十万火急 求救jsp读取access中的数据失败

Question

javabean如下：
package mypack;import java.sql.*;
public class DBconn
{    String url;
    String user;
    String pwd;
    Connection conn;    public DBconn()
    {
         
        url = "jdbc:odbc:user?useUnicode=true&characterEncoding=GB2312";
        user = "";
        pwd = "";
        conn = null;
    }  
    public Connection GetConn()
    {
        try
        {
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            conn = DriverManager.getConnection(url, user, pwd);
        }
        catch(Exception e)
        {
            e.printStackTrace();
        }
       
       return conn;
        
    }
}