我正在尝试从列country_name和表中检索所有值ban_country_ip并在打印它们之后：
<?php
include("config.inc.php");
$countryiso = mysql_query("SELECT distinct(country_name) as country_name FROM ban_country_ip");
while ($row = mysql_fetch_assoc($countryiso)) {
echo $row['country_name'];
}