institution_id = (new \app\api\model\wdsxh\institution\Level())->where('id',$row['level_id'])->value('institution_id'); } $row->wechat_id = (new \app\admin\model\wdsxh\Member)->where('id',$row->member_id)->value('wechat_id'); }); self::beforeUpdate(function ($row) { $row->wechat_id = (new \app\admin\model\wdsxh\Member)->where('id',$row->member_id)->value('wechat_id'); }); } public function institution() { return $this->belongsTo('app\admin\model\wdsxh\institution\Institution', 'institution_id', 'id', [], 'LEFT')->setEagerlyType(0); } public function level() { return $this->belongsTo('Level', 'level_id', 'id', [], 'LEFT')->setEagerlyType(0); } public function usermember() { return $this->belongsTo('app\admin\model\wdsxh\Member', 'member_id', 'id', [], 'LEFT')->setEagerlyType(0); } }