databaseconnection.java

一种java ee 中dao设计模式加mvc设计模式的用户登陆程序

package com.loginmvc.dbc;

import java.sql.Connection;
import java.sql.DriverManager;
public class DatabaseConnection {

	//数据库参数定义
	private final String DBDRIVER="com.mysql.jdbc.Driver"; 
	private final String DBURL="jdbc:mysql://localhost:3306/daodatebase"; 
	private final String DBUSER="root"; 
	private final String DBPASSWORD="123456"; 
	private Connection conn=null; 
	//数据库的连接
	public DatabaseConnection(){
	try
	{
		Class.forName(DBDRIVER);
		conn=DriverManager.getConnection(DBURL,DBUSER,DBPASSWORD);
	}
	catch(Exception e)
	{}
}
	public Connection getConnection(){
		return this.conn;
	}
	public void closeConnection(){
		try {
			this.conn.close();
		} catch (Exception e) {
		}
	}
}