fastadmin更改where条件

            $filter = json_decode($this->request->get("filter"),true) ; // json串转为数组
            $filter['refund_status'] = 2;
            $filter = json_encode($filter,JSON_UNESCAPED_UNICODE);
            $this->request->get(["filter" => $filter]);
 
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
 
            $list = $this->model
                ->with(['user', 'activity','school'])
                ->where($where)
                ->order($sort, $order)
                ->paginate($limit)->each(function ($item, $key) {
                    if ($item['info']) {
                        $map = json_decode($item['info'],true);
                        $item['info'] = "套餐:{$map['name']} 价格:{$map['price']}元 可用人数:{$map['people_count']}人";
                    }
                    if ($item['signtime']) {
                        $item['signtime'] = date('Y-m-d H:i:s',$item['signtime']);
                    }
                });