package org.lxh.execdemon;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;


//查詢資料庫中的內容
public class ResultSetDemon01 {

	public static final String DBDRIVER = "oracle.jdbc.driver.OralceDriver";
	
	public static final String DBURL = "jdbc:oracle:thin:@locast:1521:orcl";
	
	public static final String DBUSER = "admin";
	
	public static final String DBPASS = "admin";
	
	public static void main(String[] args) throws Exception{
		
		Connection conn = null;//表示資料庫連線的物件 
		
		Statement stmt = null;//表示資料庫更新操作
		
		ResultSet result = null;//表示接受資料庫查詢到的結果
		
		Class.forName(DBDRIVER);//使用class類載入驅動程式
		
		conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS);//連線資料庫
		
		stmt = conn.createStatement();//tatement介面需要通過connection介面進行例項化操作
		
		result = stmt.executeQuery("select * from person");//執行sql語句，結果集放在result中
		
		while(result.next()){//判斷是否還有下一行
			String name = result.getString("name");//獲取資料庫person表中name欄位的值
			System.out.println(name);
		}
		result.close();
		stmt.close();
		conn.close();
		
	}

}