JAVA：資料庫操作封裝

package creator.common.db;
import java.io.InputStream;
import java.sql.*;
import javax.sql.*;
import javax.naming.*;
/**
*
* <p>Title: dbBean.java</p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2004</p>
* <p>Company: </p>
* @author TanBo
* @version 1.0
*/
public class DbBean {
public java.sql.Connection conn = null; //connection object
public ResultSet rs = null; //resultset object
public Statement stmt = null; //statement object
public PreparedStatement prepstmt = null; //preparedstatement object
private String drivers = null; //connection parameter:drivers
private String url = null; //connection parameter:url
private String user = null; //connection parameter:user
private String password = null; //connection parameter:password
private String jndi_name = null; //connection pool parameter:jndi name
/**
* init()
*/
public DbBean(){
try{
//parameter init
drivers = creator.config.ConfigBundle.getString("drivers");
url = creator.config.ConfigBundle.getString("url");
user = creator.config.ConfigBundle.getString("user");
password = creator.config.ConfigBundle.getString("password");
jndi_name = creator.config.ConfigBundle.getString("jndi_name");
//db connection pool init
//InitialContext env = new InitialContext();
//javax.sql.DataSource pool = (javax.sql.DataSource)env.lookup(jndi_name);
//conn = pool.getConnection();
//db connection init
Class.forName(drivers);
conn = DriverManager.getConnection(url,user,password);
//db statement init
stmt = conn.createStatement();
}catch(Exception e){
System.out.println("dbBean: init error!"+e.toString());