oracle jdbc example 示例

package wcg.test.jdbc.oracle;



import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;



public class TestConnOracle {



	/**

	 * @param args

	 */

	public static void main(String[] args) throws Exception {



		Connection conn = null;

		Class.forName("oracle.jdbc.driver.OracleDriver"); 

		conn = DriverManager

				.getConnection("jdbc:oracle:thin:@localhost:1521:XE","rms","rms");

		Statement stmt = conn.createStatement();

		ResultSet rs = stmt.executeQuery("select * from  SPARK.WCG_USERS");

		while (rs.next()) {

			System.out.println(rs.getInt(1));

			System.out.println(rs.getString("USERNAME"));

			System.out.println(rs.getString("PASSWORD"));

			System.out.println("----------");

		}



		try {

			if (rs != null) {

				rs.close();

				rs = null;

			}

			if (stmt != null) {

				stmt.close();

				stmt = null;

			}

			if (conn != null) {

				conn.close();

				conn = null;

			}

		} catch (SQLException e) {

			e.printStackTrace();

		}



	}



}