Laravel 5.5 实现禁用用户注册示例

/**
 * Show the application registration form.
 *
 * @return \Illuminate\Http\Response
 */
public function showRegistrationForm()
{
  return redirect('login');
}
 
/**
 * Handle a registration request for the application.
 *
 * @param \Illuminate\Http\Request $request
 * @return \Illuminate\Http\Response
 */
public function register(Request $request)
{
  abort(404);
}