/**
* 登录
*
* @param Request $request
* @param Response $response
*/
public function login(Request $request, Response $response)
{
$refer = $request->url();
if (!Member::isLogined()) {
$token = $request->get('token', '');
if ('' != $token) {
//token登录优先，便于测试
$this->tokenLogin($request, $response);
} elseif (!Weixin::isWeixinBrowser()) {
//不是微信内置浏览器
$this->tips($request, $response);
} else {
//先用base方式获取微信OAuth2授权，以便于取得openid
(new Weixin())->authorizing('http://' . $request->host() . '/user/oauth/weixin?act=login&refer=' . rawurlencode($refer), 'detail');
}
} else {
$response->redirect($refer);
}
}