除了在查询构建器中使用distinct方法,我们还可以在Eloquent模型中使用distinct方法。下面是一个示例: 代码语言:txt 复制class User extends Model { public function scopeDistinctName($query) { return $query->distinct('name'); } } $users = User::distinctName()->get(); 在上面的示例中,我们定义了一个...
For Eloquent methods likeallandgetwhich retrieve multiple results, an instance ofIlluminate\Database\Eloquent\Collectionwill be returned. TheCollectionclass providesa variety of helpful methodsfor working with your Eloquent results. Of course, you may simply loop over this collection like an array: 因...
* Find multiple models by their primary keys. * * @param \Illuminate\Contracts\Support\Arrayable|array $ids * @param array $columns * @return \Illuminate\Database\Eloquent\Collection */ public function findMany($ids, $columns = ['*']) { if (empty($ids)) { return $this->model->newC...
orderBy()方法。尝试使用sortByDesc()代替。 或者,您可以将$products = Product::all();更改为
->orderBy('name', 'desc') ->take(10) ->get(); Collections 集合 For Eloquent methods like all and get which retrieve multiple results, an instance of Illuminate\Database\Eloquent\Collection will be returned. The Collection class provides a variety of helpful methods for working with your Elo...
5use Illuminate\Database\Eloquent\Model; 6 7class Flight extends Model 8{ 9 /** 10 * The connection name for the model. 11 * 12 * @var string 13 */ 14 protected $connection = 'connection-name'; 15}Retrieving Multiple ModelsOnce...
Of course, as you can see, you can join to multiple tables in a single query:$users = DB::table('users') ->join('contacts', 'users.id', '=', 'contacts.user_id') ->join('orders', 'users.id', '=', 'orders.user_id') ->select('users.*', 'contacts.phone', 'orders.price...
->orderBy('distance','ASC') ->get(); I had same problem, I have rearranged the order to have the orWhere after the where that applies to all: $animaux = Animal::where('breeder_id', $seller->id)->where('sex', 'young male')->orWhere('sex', 'young female')->get(); ...
For Eloquent methods like all and get which retrieve multiple results, an instance of Illuminate\Database\Eloquent\Collection will be returned. The Collection class provides a variety of helpful methods for working with your Eloquent results. Of course, you may simply loop over this collection like...
the create method to save a new model in a single line. The inserted model instance will be returned to you from the method. However, before doing so, you will need to specify either a fillable or guardedattributeon the model, as all Eloquent models protect against mass-assignment by ...