PHP脚本实现DNSPOD动态域名解析 crontab -e 1 * 1 * * * php /home/dnspod_ddns.php 设置为1小时运行一

dnspod_ddns.php

<?php
header("Content-type: text/html; charset=utf8");



class Dns
{
  #Dnspod账户
	private $dnspod_user = 'user@example.com';
	#Dnspod密码
	private $dnspod_pwd = 'password';
	#Dnspod主域名，注意：是你注册的域名
	private $domain = 'example.com';
	#子域名，如www，如果要使用根域名，用@
	private $sub_domain = 'www';
	
	function getMyIp()
	{
		try
		{
			$ip = file_get_contents('http://www.leadnt.com/tools/ip.php');
			return $ip;
		}
		catch(Exception $e)
		{
			echo $e->getMessage();
			return null;
		}
	}
	
	function api_call($api, $data) 
	{
		if ($api == '' || !is_array($data)) {
		exit('内部错误：参数错误');
		}

		$api = 'https://dnsapi.cn/' . $api;
		$data = array_merge($data, array('login_email' => $this->dnspod_user, 'login_password' => $this->dnspod_pwd, 'format' => 'json', 'lang' => 'cn', 'error_on_empty' => 'no'));

		$result = $this->post_data($api, $data);
		if (!$result) {
		exit('内部错误：调用失败');
		}

		$results = @json_decode($result, 1);
		if (!is_array($results)) {
		exit('内部错误：返回错误');
		}

		if ($results['status']['code'] != 1) {
		exit($results['status']['message']);
		}

		return $results;
	}

	private function post_data($url, $data) 
	{
		if ($url == '' || !is_array($data)) {
		return false;
		}

		$ch = @curl_init();
		if (!$ch) {
		exit('内部错误：服务器不支持CURL');
		}

		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_POST, 1);
		curl_setopt($ch, CURLOPT_HEADER, 0);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
		curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
		curl_setopt($ch, CURLOPT_USERAGENT, 'LocalDomains_PHP/1.0.0(roy@leadnt.com)');
		$result = curl_exec($ch);
		curl_close($ch);

		return $result;
	}
	
	
	public function exec()
	{
		$ip = $this->getMyIp();
		$domainInfo = $this->api_call('domain.info',array('domain' => $this->domain));
		$domainId = $domainInfo['domain']['id'];
		$record = $this->api_call('record.list',array('domain_id'=> $domainId,'offset' =>'0','length' => '1','sub_domain' =>$this->sub_domain));
		if($record['info']['record_total'] == 0)
		{
			$this->api_call('record.create',
				array(
					'domain_id' => $domainId,
					'sub_domain' => $this->sub_domain,
					'record_type' => 'A',
					'record_line' => '默认',
					'value' => $ip,
					'ttl' => '3600'
					));
		}
		else
		{
			if($record['records'][0]['value'] != $ip)
			{
				$this->api_call('record.modify',
				array(
					'domain_id' => $domainId,
					'record_id' => $record['records'][0]['id'],
					'sub_domain' => $this->sub_domain,
					'record_type' => 'A',
					'record_line' => '默认',
					'value' => $ip
					));
			}
			else
			{
				echo '指向正常';
			}
		}
	}
}


	
$dns = new Dns();
$dns->exec();