JDBC数据连接

public static final String DBDRIVER = "oracle.jdbc.driver.OracleDriver";

public static final String  DBURL = "jdb:.oracle:thin:@localhost:1521:jcy";

public static final String DBNAME= "JCY";

public static final String DBPSW ="JCY";

Connection conn = null;

PrepareStatement ps = null;

ResultSet rs = null;

class.forName(DBDRIVER );

conn = DriverManager.getConnection(DBURL ,DBNAME,DBPSW );

ps = conn.prepareStatment("select * from t_jcy");

rs = ps.executeQuery();

rs.close();

ps.close();

conn.close();