JDBC的操作

 1 import java.sql.*;
 2 public class TestJDBC {
 3 
 4     public static void main(String[] args) throws Exception {
 5         Class.forName("oracle.jdbc.OracleDriver");
 6         Connection conn=DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:orcl","scott","tigger");
 7         Statement stmt = conn.createStatement();
 8         ResultSet rs = stmt.executeQuery("select * from emp");
 9         while(rs.next()) {
10             System.out.println(rs.getString("deptno"));
11         }
12         rs.close();
13         stmt.close();
14         conn.close();
15     }
16 
17 }