For Eloquent methods likeallandgetwhich retrieve multiple results, an instance ofIlluminate\Database\Eloquent\Collectionwill be returned. TheCollectionclass providesa variety of helpful methodsfor working with
Note that we did not tell Eloquent which table to use for our Flight model. By convention, the "snake case", plural name of the class will be used as the table name unless another name is explicitly specified. So, in this case, Eloquent will assume the Flight model stores records in t...
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...
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 $connection = 'connection-name'; 15}Retrieving Multiple ModelsOnce...
1$users = App\User::popular()->active()->orderBy('created_at')->get();Combining multiple Eloquent model scopes via an or query operator may require the use of Closure callbacks:1$users = App\User::popular()->orWhere(function (Builder $query) { 2 $query->active(); 3})->get();...
Eloquent: 入门简介Laravel 包含了 Eloquent,这是一个对象关系映射器(ORM),使与数据库的交互变得很愉快。使用 Eloquent 时,每个数据库表都有一个对应的「模型」,用于与该表进行交互。除了从数据库表中检索记录外,Eloquent 模型还允许您从表中插入,更新和删除记录。提示...
Eloquent: 关联关系 - Laravel中文网 , laravel中文文档。Laravel 是一个具有表现力、优雅语法的 Web 应用程序框架. Laravel 是构建现代全栈 Web 应用程序的最佳选择.
我第一次寻找所谓的 Laravel 框架的时候,我的其中一个目标就是要找:利用最简单的操作数据库的方法。后来目标就停在了 Eloquent ORM 上。 今天说一说 Eloquent ORM 的一些不易被发现和使用的方法。 1. 递增和递减函数 平时这么写: $article = Article::find($article_id); ...
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...
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 ...