新增获取在线人数接口

@@ -394,4 +394,35 @@ class LivingController extends BaseController
         
         $this->renderJson(Yii::$app->params['success_code'],'',$ret);
     }
+
+    /**
+     * 获取在线人数
+     * @room_id   支持单个(1001) 或 多个(1001,1002)
+     */
+    public function actionGetonlinenums()
+    {
+        try{
+            if (!$room_ids = $this->requests('room_id'))
+            {
+                $this->renderJson(Yii::$app->params['failed_code'],'缺少room_id');
+            }
+            $room_ids = explode(',',urldecode($room_ids));
+            if($room_ids){
+                $keys = $ret = [];
+                foreach ($room_ids as $k=>$room_id){
+                    $keys[] = sprintf("%sonline_nums_room_%s",Yii::$app->params['cache_prefix'],$room_id);
+                }
+
+                $values = $keys ? call_user_func_array(array(Yii::$app->redisIm,'mget'), $keys) : [];
+                foreach ($values as $k=>$value){
+                    $ret[$room_ids[$k]] = (int)($value ? : 0);
+                }
+                $this->renderJson(Yii::$app->params['success_code'],'',$ret);
+            }else{
+                $this->renderJson(Yii::$app->params['failed_code'],'room_id格式不正确');
+            }
+        }catch (\Exception $e){
+            $this->renderJson(Yii::$app->params['failed_code'],$e->getMessage());
+        }
+    }
 }