PHP获取用户真实IP方法1： <?php function GetIP(){ if(!empty($_SERVER[HTTP_CLIENT_IP])){ $cip = $_SERVER[HTTP_CLIENT_IP]; } elseif(!empty($_SERVER[HTTP_X_FORWARDED_FOR])){ $cip = $_SERVER[HTTP_X_FORWARDED_FOR]; } elseif(!empty($_SERVER[REMOTE_ADDR])){ $