Connection con =null; 
 
 try { 
 // Class.forName("oracle.jdbc.driver.OracleDriver");//注册驱动第一种方式*************** 
 Driver  drv = new  oracle.jdbc.driver.OracleDriver();//注册驱动第二种方式 *******************88 
 DriverManager.registerDriver(drv); 
 // String url="jdbc:oracle:"+"thin:@localhost:1521:orcl";//获得连接的第一种方式****************** 
 // String user="lhy"; 
 // String password="lhy"; 
 // con=DriverManager.getConnection(url, user, password); 
 
 Properties pro = new Properties();//获得连接的第二种方法******************************* 
 pro.setProperty("user","lhy");   //键是user,不是username 
 pro.setProperty("password","lhy"); 
 con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl",pro); 


