阿里云动态域名解析PHP工具，解决动态IP的服务器问题！

<?php define('AccessKeyId', '此处填写阿里云提供的ID'); define('AccessKeySecret', '此处填写阿里云提供的密匙'); date_default_timezone_set('UTC'); /********密码验证***********/ $password='123456'; //这个密码是登陆验证用的.把文件上传到服务器后通过自己的url/ip.php?pw=123456....注意一定需要修改. if($password!=$_GET['pw']) exit('验证密码错误'); //安全检测,密码不符则退出 //对比IP决定是否继续 $ip = $_SERVER['REMOTE_ADDR']; $file_path = "ip.txt"; if(file_exists($file_path)) { $str = file_get_contents($file_path);//将整个文件内容读入到一个字符串中 $str = str_replace("\r\n","<br />",$str); } if($str == $ip) { echo $_SERVER['REMOTE_ADDR']; exit(); } else { //写入TXT $file = fopen("ip.txt", "w"); if( $ip != null) { fwrite( $file, $ip); } fclose($file); /** * 获取请求签名 */ function getSign($add){ $nonce = time() . rand(11111, 99999); $time = date('Y-m-d') . 'T' . date('H:i:s') . 'Z'; $data = array( 'AccessKeyId' => AccessKeyId, 'Format' => 'json', 'SignatureMethod' => 'HMAC-SHA1', 'SignatureNonce' => $nonce, 'SignatureVersion' => '1.0', 'Timestamp' => $time, 'Version' => '2015-01-09' ); $data = array_merge($data, $add); ksort($data); $format = http_build_query($data); $signUrl = 'GET&%2F&' . urlencode($format); $sign = urlencode(base64_encode(hash_hmac('sha1', $signUrl, AccessKeySecret . '&', true))); return array('url' => $format, 'sign' => $sign); } /** * 获取域名解析记录 */ function getDNS($domain) { $sign = getSign(['Action' => 'DescribeSubDomainRecords', 'SubDomain' => $domain]); $url = 'https://alidns.aliyuncs.com/?' . $sign['url'] . '&Signature=' . $sign['sign']; $dns = json_decode(httpRequest($url)); if (isset($dns->DomainRecords->Record[0])) { return $dns->DomainRecords->Record[0]; } return ''; } /** * 更新域名解析 */ function updateDNS($id, $name, $ip) { $data = array( 'Action' => 'UpdateDomainRecord', 'RecordId' => $id, 'RR' => $name, 'Type' => 'A', 'Value' => $ip, ); $sign = getSign($data); $url = 'https://alidns.aliyuncs.com/?' . $sign['url'] . '&Signature=' . $sign['sign']; return httpRequest($url); } /** * 发起 HTTP 请求 */ function httpRequest($url) { $header = array( 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:45.0) Gecko/20100101 Firefox/45.0', 'Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3', 'Accept-Encoding: gzip, deflate', 'Connection: keep-alive', ); $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); curl_setopt($curl, CURLOPT_ENCODING, 'gzip'); curl_setopt($curl, CURLOPT_HTTPHEADER, $header); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false); $data = curl_exec($curl); $error = curl_error($curl); curl_close($curl); if ($error) { return $error; } else { return $data; } } function main() { $dns = getDNS('www.xxx.com');//输入自己要解析的域名 $ip = $_SERVER['REMOTE_ADDR']; if (isset($dns->RecordId)) { echo updateDNS($dns->RecordId, 'www', $ip);//输入自己的域名前辍 } } main(); } ?>