平台（不要写死）

backend/controllers/CoinController.php

@@ -48,7 +48,8 @@ class CoinController extends BaseController
             Yii::$app->response->format = 'json';
             return $data;
         }
-        return $this->render('index');
+        $platforms = Coin::getPlatformList();
+        return $this->render('index', ['platforms' => $platforms]);
     }
 
     public function actionAdd()

backend/views/coin/index.php

@@ -32,7 +32,9 @@
                 <div class="layui-input-inline">
                     <select name="platform">
                         <option value="all">全部</option>
-                        <option value="ethereum">eth</option>
+                        <?php foreach ($platforms as $platform): ?>
+                            <option value="<?= $platform ?>"><?= $platform ?></option>
+                        <?php endforeach; ?>
                     </select>
                 </div>
             </div>

common/models/pwallet/Coin.php

@@ -98,4 +98,16 @@ class Coin extends BaseActiveRecord
     {
         return $this->hasOne(MinerFee::className(), ['platform' => 'platform']);
     }
+
+    /**
+     * 获取平台列表
+     *
+     * @return array
+     */
+    public static function getPlatformList()
+    {
+        $data = self::find()->select('platform')->asArray()->all();
+        $data = array_unique(array_column($data, 'platform'));
+        return $data;
+    }
 }
\ No newline at end of file