package cn.xvl.test;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class test {
	public static void main(String[] args) throws ClassNotFoundException, SQLException {
		Class.forName("oracle.jdbc.driver.OracleDriver");       //加載數據庫驅動
		String url= "jdbc:oracle:thin:@localhost:1521:xe";		//連接URL
		String username = "root";
		String password = "123456";
		Connection connection = DriverManager.getConnection(url, username, password);
		String sql = "insert into stu values (?)";
		PreparedStatement prepareStatement = connection.prepareStatement(sql);
		prepareStatement.setObject(1, 2);
		int executeUpdate = prepareStatement.executeUpdate();
		System.out.println(executeUpdate);
	}
}

select value from v$parameter where name=‘instance_name‘;　　　　//獲取oracle的sid -- 就是上面URL中的xe

oracle 驅動目錄：安裝目錄D:\oracle\app\oracle\product\11.2.0\server\jdbc\lib下獲取

package cn.xvl.test;
import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.SQLException;
public class test {public static void main(String[] args) throws ClassNotFoundException, SQLException {Class.forName("oracle.jdbc.driver.OracleDriver"); //加載數據庫驅動String url= "jdbc:oracle:thin:@localhost:1521:xe";//連接URLString username = "root";String password = "123456";Connection connection = DriverManager.getConnection(url, username, password);String sql = "insert into stu values (?)";PreparedStatement prepareStatement = connection.prepareStatement(sql);prepareStatement.setObject(1, 2);int executeUpdate = prepareStatement.executeUpdate();System.out.println(executeUpdate);}}

jdbc連接oracle數據庫