1、连表查询:select * from goods left join shop on goods.shopid=shop.shopid;
DB::table('goods') ->leftJoin('shop', 'shop.shopid', '=', 'goods.shopid') ->get();
2、or查询:select * from goods where (good_name like '%$keyWord%' or shop_name like '%$keyWord%' )
DB::table('goods')
->where(function ($query) use ($keyWord) { $query->where('good_name', 'like', "%{$keyWord}%")->orWhere('shop_name', 'like', "%{$keyWord}%"); })
->get();
3、查询结果转为数组:toArray
DB::table('goods')->get()->toArray();