public function actionLogin() { $user = new AdminUser(); if ($user->checkUserIsLogin()) { $this->redirect(Variable::$setting_url); return; } $req = Yii::$app->request; //创建一个请求对象 $model = new AdminUserLoginForm(); //创建一个登陆的表单对象 if ($model->load($req->post()) && $model->validate()) { $user->loginAdminUser($model->username); $this->redirect(Variable::$setting_url); } return $this->render(Variable::$siteLogin_view, ['model' => $model]); }