Model $parent,$foreignKey,$localKey){$this->localKey=$localKey;$this->foreignKey=$foreignKey;parent::__construct($query,$parent);}//为关联关系设置约束 子模型的foreign key等于父模型的 上面设置的$localKey字段的值publicfunctionaddCo
phpnamespaceIlluminate\Database\Query;useClosure;useIlluminate\Support\Collection;useIlluminate\Database\ConnectionInterface;useIlluminate\Database\Query\Grammars\Grammar;useIlluminate\Database\Query\Processors\Processor;classBuilder{//methods and variables come here} 如您所见,Eloquent 模型使用一些类,如Database...
This allows you to easily perform further validation and even add more error messages to the message collection. To get started, use the after method on a validator instance:1$validator = Validator::make(...); 2 3$validator->after(function ($validator) { 4 if ($this->somethingElseIs...
Collections are "macroable", which allows you to add additional methods to the Collection class at run time. The Illuminate\Support\Collection class' macro method accepts a closure that will be executed when your macro is called. The macro closure may access the collection's other methods via ...
to your application. Feel free to add your own services to | this array to grant expanded functionality to your applications. | */ 'providers' => [ /* * Laravel Framework Service Providers... */ Illuminate\Auth\AuthServiceProvider::class, Illuminate\Broadcasting\BroadcastServiceProvider::class,...
publicfunctiontoTelegram($notifiable) {returnTelegramFile::create() ->sticker(storage_path('telegram/AnimatedSticker.tgs')); } Preview: You can either send the notification by providing with the chat ID of the recipient to theto($chatId)method like shown in the previous examples or add aroute...
In order to render an HTML table of Eloquent models into a view, first create a Table object, passing in your model collection (this could be done in your controller, repository, or any service class): $rows= User::get();// Get all users from the database$table= Table::create($rows...
App\User::first(['name']);=> App\User {#704name: "cnwedd",}//注意这个操作会执行数据库查询,并且只获取name字段 我们也可以使用laravel的collection support helper类来使得任意数组变成一个方便操作的collection: myusers=newIlluminate\Support\Collection(myusers...
CentOS 8. Since the package manager’s default repositories only include PHP version 7.2, you need to take the additional step of adding theRemi repository. First, add the Remi repository: sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm sudo dnf instal...
Open app/Http/Controllers/Auth/LoginController.php and add the following method: PHP Copy Code public function username() { return 'phone'; } This method returns the login username to be used by the controller. It is basically saying "This is the field in the database you should look ...