leftJoin鏈錶查詢

//待使用券碼
        $code_record_no = DB::table('fook_platform_order as a')
            ->select('o.code','o.apportion_bill_amount','o.apportion_commission','o.merch_settle_amount')
            ->leftJoin('fook_platform_ordercode as o', 'a.id', '=', 'o.orderid')
            ->where([
                ['a.id', '=', $id],
                ['o.status', '=', '1'],
            ])
            ->get();
原文地址:https://www.cnblogs.com/clubs/p/9714581.html