Java 连接MySQL数据库 和连接 SQLServer2005

/**
* MySq数据库-连接数据库
*/
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class ConnectionDemo2 {
	public static final String DBDRIVER = "org.gjt.mm.mysql.Driver";  //定义mysql数据库的 驱动程序
	public static final String DBURL = "jdbc:mysql://localhost:3306/test";  //定义mysql数据库的链接地址
	public static final String DBUSER ="root";  //mysql数据库的连接用户名
	public static final String DBPASS ="";     //mysql数据库的连接密码
	public static void main(String[] args){
		Connection conn =null;   //数据库连接
		try {
			Class.forName(DBDRIVER);
		}catch(ClassNotFoundException e){
			e.printStackTrace();
		}
		try{
		conn = DriverManager.getConnection(DBURL, DBUSER ,DBPASS);
		}catch (SQLException e){
			e.printStackTrace();
		}
		System.out.println(conn);
		try {
			conn.close();
		}catch (SQLException e){
			e.printStackTrace();
		}
	}
}

/**
* SQLServer 2005数据库-连接数据库
*/
import java.sql.*;   
public class text {  

	public static void main(String[] srg) {  
		String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";   //加载JDBC驱动  
		String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=OrderDB";   //连接服务器和数据库sample  
		String userName = "sa";   //默认用户名  
		String userPwd = "123456";   //密码  
		Connection dbConn;  
		try {  
			Class.forName(driverName);  
			dbConn = DriverManager.getConnection(dbURL, userName, userPwd);  
			System.out.println("Connection Successful!");   //如果连接成功 控制台输出Connection Successful!  
		} catch (Exception e) {  
			e.printStackTrace();  
		}  
	}  
}