<?php
$dbuser=mysql_connect("localhost","root","5453661a");
mysql_select_db("shop",$dbuser);
$mytable="persons";
$sqldo="select * from $mytable";
$result=mysql_query($sqldo,$dbuser);
$str=mysql_fetch_array($result);

echo $str;
?>怎么输出是Array
没有得到数据库的东西。高手指点下那出错了