JAVA连接Oracle10g

时间：2022-03-14 07:44

1.导入驱动包：

a.找到oracle安装目录下的jdbc/lib中的文件classes12.jar；

b.右击你创建的JAVA工程，找到Build path，选择Add External Archives,找到你要导入的包classes12.jar，点击打开就可以引入，引入后在工程下面的ReferencedeLibraries下便能显示这个包。

2.代码测试：

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 import java.sql.*; public class oracle { String driver = "oracle.jdbc.OracleDriver"; String url="jdbc:oracle:thin:@localhost:1521:orcl";//@主机名:监听端口:数据库实例名称,Attention notes:the port is generally 1521 String name = "system";//登录名 String pwd = "orcl";//登陆密码 private static Statement sql = null; private static ResultSet rs = null; private static Connection con = null; public Connection getCon() { try { Class.forName(driver); //注册oracle数据库驱动 } catch (ClassNotFoundException e1) { System.out.println("驱动加载失败!"); e1.printStackTrace(); } try { con = DriverManager.getConnection(url, name, pwd);//获取连接字符串 } catch (SQLException e) { System.out.println("驱动或数据库连接失败！"); e.printStackTrace(); } return con; } public static void main(String[] args) { try { oracle db = new oracle(); Connection con = db.getCon(); if (con != null) { System.out.println("数据库连接成功！"); } else { System.out.println("数据库连接失败！"); } sql = con.createStatement(); rs = sql.executeQuery("select * from students"); System.out.println("编号\t学号\t姓名\t性别\t出生日期"); while (rs.next()) { System.out.println(rs.getInt(1)+"\t"+rs.getString(2)+"\t"+rs.getString(3)+"\t"+rs.getString(4)+"\t"+rs.getString(5)); } } catch(Exception e) { e.printStackTrace(); } } }