摘要：
if ($_SERVER ["HTTP_X_FORWARDED_FOR"]) $ip = $_SERVER ["HTTP_X_FORWARDED_FOR"];else if ($_SERVER ["HTTP_CLIENT_IP"]) $ip = $_SERVER ["HTTP_CLIENT_IP"];else if ($_SERVER ["REMOTE_ADDR"]) $ip = $_SERVER ["REMOTE_ADDR"];else if (getenv ( " 阅读全文
