databaseconnection.java

一个简单的留言网上留言系统

package cn.li.note.dbc;

import java.sql.*;

public class DataBaseConnection
{
		 private String DBDRIVER   ="org.gjt.mm.mysql.Driver";
		 private String DBURL      ="jdbc:mysql://localhost:3306/li";
		 private String DBUSER     ="root";
		 private String DBPASSWORD ="123";
		 private Connection conn     =null;

		 public DataBaseConnection()
		{
			  try
			{
			  Class.forName(DBDRIVER);
			  this.conn=DriverManager.getConnection(DBURL,DBUSER,DBPASSWORD);
			  	
			
			}
			catch(Exception e)
			{
				System.out.println("数据库连接失败");
			}
		} 
		
		public Connection getConnection()
		{
		 return this.conn;
		}
	
		public void close()
		{
		  try
		  {
		  this.conn.close();
		  }
		  catch(Exception e)
		  {
		  }
		} 

	};