/**
* 生成outh URL
*
* @param string $to
* @param string $scope
* @param string $state
*
* @return string
*/
public function url($to = null, $scope = 'snsapi_userinfo', $state = 'STATE')
{
$to !== null || ($to = Url::current());
$params = array('appid' => $this->appId, 'redirect_uri' => $to, 'response_type' => 'code', 'scope' => $scope, 'state' => $state);
return self::API_URL . '?' . http_build_query($params) . '#wechat_redirect';
}
/**
* 获取当前URL.
*
* @return string
*/
public function getUrl()
{
if ($this->url) {
return $this->url;
}
return Url::weixin();
}