站点设置后端实现

*目前还有一个关闭注册功能还没完成

controllers/AdminController.php

@@ -11,7 +11,6 @@ use OTPHP\TOTP;
 use Throwable;
 use Yii;
 use yii\base\Exception;
-use yii\db\StaleObjectException;
 use yii\filters\AccessControl;
 use yii\filters\VerbFilter;
 use yii\web\Controller;
@@ -43,7 +42,7 @@ class AdminController extends Controller
                     'class' => VerbFilter::class,
                     'actions' => [
                         'index' => ['GET'],
-                        'system' => ['GET'],
+                        'system' => ['GET','POST'],
                         'user' => ['GET'],
                         'user-view' => ['GET', 'POST'],
                         'user-create' => ['GET', 'POST'],
@@ -73,15 +72,25 @@ class AdminController extends Controller
     }
 
     /**
-     * @return string
+     * @return string|Response
      * @throws HttpException
      */
-    public function actionSystem(): string
+    public function actionSystem(): Response|string
     {
         $siteConfig = new SiteConfig();
         if (!$siteConfig->loadFromEnv()) {
             throw new HttpException(500, 'Fatal error, Unable to load site configuration from .env file.');
         }
+        if (Yii::$app->request->isPost) {
+            if ($siteConfig->load(Yii::$app->request->post()) && $siteConfig->validate()) {
+                if ($siteConfig->saveToEnv()) {
+                    Yii::$app->session->setFlash('success', '保存成功');
+                    return $this->redirect(['system']);
+                } else {
+                    Yii::$app->session->setFlash('error', '保存失败');
+                }
+            }
+        }
         return $this->render('system', [
             'siteConfig' => $siteConfig
         ]);