php使用curl抓取qq空间的访客信息示例(4)

protected $curl_instance;
    protected $request_timeout;
    protected $debug;
    protected $end_line;
    protected $user_agent = 'Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:26.0) Gecko/20100101 Firefox/26.0';

protected function __construct($cookie_file, $request_timeout, $debug, $end_line)
    {
        parent::__construct($cookie_file);
        $this->request_timeout = $request_timeout;
        $this->debug = $debug;
        $this->end_line = $end_line;
        $this->initInstance();
    }

protected function initInstance()
    {

$this->curl_instance = curl_init();

if ($this->isValidateCookieFile()) {
            curl_setopt($this->curl_instance, CURLOPT_COOKIEJAR, $this->cookie_file);
            curl_setopt($this->curl_instance, CURLOPT_COOKIEFILE, $this->cookie_file);
        }

curl_setopt($this->curl_instance, CURLOPT_TIMEOUT, $this->request_timeout);
        curl_setopt($this->curl_instance, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($this->curl_instance, CURLOPT_HEADER, 1);
        curl_setopt($this->curl_instance, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($this->curl_instance, CURLOPT_SSL_VERIFYHOST, 0);
        curl_exec($this->curl_instance);

}

function setCookies($cookies)
    {
        $this->closeInstance();
        $this->__setCookies($cookies);
        $this->initInstance();
    }

protected function getAllCookies($refresh = false)
    {
        $this->closeInstance();
        $cookies = $this->__getAllCookies($refresh);
        $this->initInstance();
        return $cookies;
    }

    protected function clearAllCookies($refresh = false)
    {
        $this->closeInstance();
        $this->__clearAllCookies();

if ($refresh) {
            $this->initInstance();
        }
    }

protected function getCookie($name, $refresh = false)
    {
        $this->closeInstance();
        $cookie = $this->__getCookie($name, $refresh);
        $this->initInstance();
        return $cookie;
    }

protected function getRequestInstance()
    {
        return $this->curl_instance;
    }

protected function closeInstance()
    {
        if (is_resource($this->curl_instance)) {
            curl_close($this->curl_instance);
        }
    }

protected function resetInstance()
    {
        $this->closeInstance();
        @unlink($this->cookie_file);
        $this->initInstance();
    }

protected function requestExec($option)
    {

curl_setopt_array($this->getRequestInstance(), $option);

//if ($this->debug) {
        //    $result = curl_exec($this->getRequestInstance());
        //    Trace::write($result, $this->end_line, 'request output');
        //} else {
        return curl_exec($this->getRequestInstance());
        //}
    }
}

class QQVisitorRequest extends BaseRequest
{
    protected $user;
    protected $password;

protected function __construct($user, $password, $cookie_file, $request_timeout, $debug, $end_line)
    {