最新下载
热门教程
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
JAVA:数据库操作封装
时间:2022-07-02 18:16:05 编辑:袖梨 来源:一聚教程网
package creator.common.db;
import java.io.InputStream;
import java.sql.*;
import javax.sql.*;
import javax.naming.*;
/**
*
*
*
*
*
* @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());
import java.io.InputStream;
import java.sql.*;
import javax.sql.*;
import javax.naming.*;
/**
*
*
Title: dbBean.java
*
Description:
*
Copyright: Copyright (c) 2004
*
Company:
* @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());
相关文章
- 星际战甲自爆怪怎么打 05-01
- 梦幻西游修业点怎么交易 05-01
- 放置江湖经验怎么刷 05-01
- 光遇如何找到改变体型的药水 05-01
- 攻城掠地宝物属性怎么获得 05-01
- 崩坏星穹铁道折冲妙算唱片在哪折冲妙算唱片位置指引 05-01