<?php

    $link = @mysql_connect('localhost','root','');

    mysql_query('use test',$link);

    mysql_query('set names utf8',$link);

    $res = mysql_query('select * from user');

    //var_dump($res);

    print_r(mysql_fetch_assoc($res));

    while($row = mysql_fetch_assoc($res)){

        //print_r(mysql_fetch_assoc($res));//只会打印出偶数行,因为while在前面已经执行过一次,所以需要加上一个变量赋值,如$row;

        print_r($row);//打印数组需要print_r

    }

?>