[PHP]代码 $referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : NULL; $host = $_SERVER['HTTP_HOST']; echo '提交过来的地址:'.$referer; echo ''; echo '本站域名:'.$host; echo ''; echo substr($referer,7,strlen($host)); if(substr($referer,7,strlen($host)) != $host){ echo '非法操作'; }else{ echo '正常操作'; } 复制代码 PHP