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：
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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 学号 姓名 性别 出生日期"); while (rs.next()) { System.out.println(rs.getInt(1)+" "+rs.getString(2)+" "+rs.getString(3)+" "+rs.getString(4)+" "+rs.getString(5)); } } catch(Exception e) { e.printStackTrace(); } }} |
3.测试结果：
