delete(); $root_ids = Company::where('1=1')->column('root_id'); $saves = []; $arr = ['发展历程','产品介绍','材料实验室','老板访谈','工艺标准','团队承诺','荣誉奖项']; foreach ($root_ids as $v) { foreach ($arr as $v2) { $saves[] = [ 'root_id' => $v, 'name' => $v2 ]; } } (new CompanyStrengthCate())->saveAll($saves); } }