{dede:php}

$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];

$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];

function get_real_ip(){

$ip=false;

if(!empty($_SERVER["HTTP_CLIENT_IP"])){

$ip = $_SERVER["HTTP_CLIENT_IP"];

}

if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {

$ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);

if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }

for ($i = 0; $i < count($ips); $i++) {

if(!preg_match("/^(10|172\.16|192\.168)\./", $ $ips[$i])) {

$ip = $ips[$i];

break;

}

}

}

return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);

}

echo " "." ". get_real_ip();

{/dede:php}

上面是相关代码，插入到模板相关位置即可

来源：西部数码