/**
  * 处理新增菜单
  *
  * @author yangyifan <*****@*****.**>
  */
 public function postAdd(EmailRequest $request)
 {
     $affected_number = EmailModel::create($request->all());
     return $affected_number->id > 0 ? $this->response(200, trans('response.add_success'), [], true, url('admin/email/index')) : $this->response(400, trans('response.add_error'), [], true, url('admin/email/index'));
 }