使用JDBC连接从oracle返回插入语句的ROWID参数

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

public class OracleJDBCExample {
    public static void main(String[] args) {
        String url = "jdbc:oracle:thin:@localhost:1521:orcl";
        String user = "username";
        String password = "password";

        try {
            // 加载Oracle JDBC驱动程序
            Class.forName("oracle.jdbc.driver.OracleDriver");

            // 建立数据库连接
            Connection conn = DriverManager.getConnection(url, user, password);

            // 准备插入语句
            String sql = "INSERT INTO mytable (name, age) VALUES (?, ?)";
            PreparedStatement pstmt = conn.prepareStatement(sql, PreparedStatement.RETURN_GENERATED_KEYS);
            pstmt.setString(1, "John Doe");
            pstmt.setInt(2, 30);

            // 执行插入操作
            int affectedRows = pstmt.executeUpdate();

            // 获取ROWID参数
            ResultSet generatedKeys = pstmt.getGeneratedKeys();
            if (generatedKeys.next()) {
                String rowid = generatedKeys.getString(1);
                System.out.println("Generated ROWID: " + rowid);
            }

            // 关闭资源
            pstmt.close();
            conn.close();
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        }
    }
}