问题描述 Eloquent高级子查询时提示错误 程序代码 $list = Order::select(['id'])->addSelect([ 'goods_nums' => OrderDetail::whereColumn('order_id', 'order.id')->sum('num') ])->get(); 报错信息 PDOException: SQLSTATE[42S22]...
$user = Db::table('user')->where(['id' => 1])->first(); 查询结果集$user是对象,如何转成数组,直接加->toArray();报错...