dbcon.java

来自「酒店管理asp的源代码和各种文档说明,很齐全的,只要你解压后就能运行程序.」· Java 代码 · 共 39 行

// DBCon.java
package restaurant;
import java.io.*;
import java.sql.*;

public class DBCon
{
	
	private Connection con = null;
	private String jdbcOdbcDriver = "sun.jdbc.odbc.JdbcOdbcDriver";
	
	public DBCon()
	{
	}
	
	private void BuildConnection()
	{
		try
		{
			Class.forName(jdbcOdbcDriver);
			con = DriverManager.getConnection(jdbcOdbcDriver);
		}
		
		catch ( Exception ex )
		{
			System.out.println( ex.toString() );
		}
		
	}

	public Connection getConnection()
	{
		if ( con == null )
		{
			BuildConnection();
		}
		return this.con;	
 	}
}