public function actionIndex($mid = -1) { $model = new MembershipForm(); $model->paiddate = date("Y-m-d ", time()); $model->mid = $mid; $message = ""; $errormsg = ""; if ($model->load(Yii::$app->request->post()) && $model->validate()) { $message = "保存成功"; $model->save(); } else { $errormsg = $model->getErrors(); } return $this->render("index", ['model' => $model, 'message' => $message, 'errormsg' => $errormsg]); }