Java数据库——ResultSet接口

//=================================================
// File Name       :	MySQL_demo
//------------------------------------------------------------------------------
// Author          :	Common

import java.sql.*;

//主类
//Function        : 	MySQL_demo
public class MySQL_demo {
//定义MySQL的数据库驱动程序
public static final String DBDRIVER = "org.gjt.mm.mysql.Driver";
//定义MySQL数据库的连接地址
public static final String DBURL = "jdbc:mysql://localhost:3306/mysql_demo";
//MySQL数据库的连接用户名
public static final String DBUSER = "root";
//MySQL数据库的连接密码
public static final String DBPASS = "123456";

public static void main(String[] args) throws Exception {
// TODO 自动生成的方法存根

Connection conn = null;					//数据库连接
Statement stmt = null;					//数据库操作

ResultSet rs = null;			//保存查询结果
String sql = "SELECT id,name,password,age,sex,birthday FROM user";
Class.forName(DBDRIVER);			//加载驱动程序
//连接MySQL数据库时，要写上连接的用户名和密码
conn = DriverManager.getConnection(DBURL,DBUSER,DBPASS);
stmt = conn.createStatement();		//实例化Statement对象
rs = stmt.executeQuery(sql);			//实例化ResultSet对象
while(rs.next()){
//			int id = rs.getInt("id");
//			String name = rs.getString("name");
//			String pass = rs.getString("password");
//			int age = rs.getInt("age");
//			String sex = rs.getString("sex");
//			Date d = rs.getDate("birthday");
int id = rs.getInt(1);
String name = rs.getString(2);
String pass = rs.getString(3);
int age = rs.getInt(4);
String sex = rs.getString(5);
Date d = rs.getDate(6);
System.out.println("编号："+id);
System.out.println("名字："+name);
System.out.println("密码："+pass);
System.out.println("年龄："+age);
System.out.println("性别："+sex);
System.out.println("生日："+d);
}

rs.close(); 												//关闭结果集
stmt.close(); 										//操作关闭
conn.close(); 										//数据库关闭
}
}