class Curl
{
    public $headers;
    public $user_agent;
    public $compression;

    public function __construct($compression = 'gzip')
    {
        $this->headers[]   = 'Accept: image/gif, image/x-bitmap, image/jpeg, image/pjpeg';
        $this->headers[]   = 'Connection: Keep-Alive';
        $this->headers[]   = 'Content-type: application/x-www-form-urlencoded;charset=UTF-8';
        $this->user_agent  = 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0)';
        $this->compression = $compression;
    }

    /**
     * @param $url
     * @return mixed
     */
    public function get($url)
    {
        $process = curl_init($url);
        curl_setopt($process, CURLOPT_HTTPHEADER, $this->headers);
        curl_setopt($process, CURLOPT_HEADER, 0);
        curl_setopt($process, CURLOPT_USERAGENT, $this->user_agent);

        curl_setopt($process, CURLOPT_SSL_VERIFYPEER, false); //不验证证书
        curl_setopt($process, CURLOPT_SSL_VERIFYHOST, false); //不验证证书

        curl_setopt($process, CURLOPT_ENCODING, $this->compression);
        curl_setopt($process, CURLOPT_TIMEOUT, 30);
        curl_setopt($process, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($process, CURLOPT_FOLLOWLOCATION, 1);
        $return = curl_exec($process);
        curl_close($process);
        return $return;
    }

    /**
     * @param $url
     * @param $data 字符串信息
     * @return mixed
     */
    public function post($url, $data)
    {
        $process = curl_init($url);
        curl_setopt($process, CURLOPT_HTTPHEADER, $this->headers);
        curl_setopt($process, CURLOPT_HEADER, 0);
        curl_setopt($process, CURLOPT_USERAGENT, $this->user_agent);

        curl_setopt($process, CURLOPT_SSL_VERIFYPEER, false); //不验证证书
        curl_setopt($process, CURLOPT_SSL_VERIFYHOST, false); //不验证证书

        curl_setopt($process, CURLOPT_ENCODING, $this->compression);
        curl_setopt($process, CURLOPT_TIMEOUT, 30);
        curl_setopt($process, CURLOPT_POSTFIELDS, $data);
        curl_setopt($process, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($process, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($process, CURLOPT_POST, 1);
        $return = curl_exec($process);
        curl_close($process);
        return $return;
    }

}