/**
* 获取登录页URL
*
* @return string
*/
public static function showLoginUrl()
{
$url = 'https://github.com/login/oauth/authorize?client_id=%s&scope=public_repo';
$client_id = \Model\Config::show('github_client_id');
$result = sprintf($url, $client_id);
return $result;
}
