1$roles = $roles->sortBy('created_at');Returning A Custom Collection TypeSometimes, you may wish to return a custom Collection object with your own added methods. You may specify this on your Eloquent model by overriding the newCollection method:...
我使用的是Laravel 8。我想进行一个查询,其中users表中的所有项目都列出了两次,一次列为created_at列,另一次为updated_at列。这个数组的结果应该是升序(created_at和updated_at日期的混合)。 My table: Expected result: Zoey 2022-10-19 ... Peter 2022-10-20 ... Zoey 2022-10-24 ... Peter 2022-10-...
$week = GameScore::whereDate('created_at', '>=', Carbon::now()->startOfWeek()->format('Y-m-d H:i:s'))->whereDate('created_at', '<=', Carbon::now()->endOfWeek()->format('Y-m-d H:i:s')) 浏览33提问于2020-02-26得票数 0 1回答 Laravel Scopes on DB Builder 、、 我的...
Some policy methods only receive the currently authenticated user and not an instance of the model they authorize. This situation is most common when authorizingcreateactions. For example, if you are creating a blog, you may wish to check if a user is authorized to create any posts at all. ...
,url: "{{ route('admin.role.data') }}"//数据接口,page:true//开启分页,cols: [[//表头{checkbox:true,fixed:true},{field: 'id', title: 'ID',sort:true,width:80},{field: 'name', title: '角色名称'},{field: 'created_at', title: '创建时间'},{field: 'updated_at', title: '更...
$users = Topic::with('latestPost')->get()->sortByDesc('latestPost.created_at'); 9. Eloquent::when () -- 不再使用 if-else 很多人都喜欢使用 "if-else" 来写查询条件,像这样: if (request('filter_by') == 'likes') { $query->where('likes', '>', request('likes_amount', 0));...
// 按时间排序 $latestProducts = Product::orderBy('created_at', 'desc')->take(5)->get(); // 按评分排序 $topRatedProducts = Product::orderBy('rating', 'desc')->take(5)->get(); 遇到的问题及解决方法 问题:inRandomOrder 在大数据集上性能较差 原因: inRandomOrder 在大数据集上会导致性能...
16. 查询中加条件 ->select([$time > 1 ? DB::raw('DATE(created_at) as time') : DB::raw('DATE_FORMAT(created_at,\'%H\') as time'), DB::raw('COUNT("*") as count')]) 1. for update For update Laravel
->orderByRaw('updated_at - created_at DESC') ->get(); Joins Inner Join 语句 查询构造器也可以编写 join 语句。若要执行基本的「内连接」,你可以在查询构造器实例上使用join方法。传递给join方法的第一个参数是你要需要连接的表的名称,而其它参数则用来指定连接的字段约束。你还可以在单个查询中连接多个数...
Array([0] => Array([id] => 1[name] => Chasity Tillman[email] => qleuschke@example.org[age] => 51[created_at] => 2016-06-07 15:50:50[updated_at] => 2016-06-07 15:50:50)...) 1. 查找数据 有多种方法可以在集合中查找数据。