我正在尝试扩展L4.1中的Form类,但我似乎错过了一些东西.我的文件基于API命名为FormBuilder.PHP,保存在app / libraries / extended / FormBuilder.PHP中.
<?PHP namespace Extended;
class FormBuilder extends \Illuminate\Html\FormBuilder {
/**
* Create a text input field.
*
* @param string $name
* @param string $value
* @param array $options
* @return string
*/
public function text($name,$value = null,$options = array())
{
$options = $options + array('id'=>"field-{$name}");
return $this->input('text',$name,$value,$options);
}
}
这实际上是我第一次尝试在Laravel中扩展核心类.我似乎无法指出如何正确扩展像这个Form类的核心类.
编辑：
我将“app / libraries / extended”添加到我的composer.json文件中并运行了composer.phar update和composer.phar dump-autoload,但它似乎仍然使用核心类而不是扩展类.我忘了做什么？
要扩展/交换Laravel核心类,您可以创建服务提供者：
文件：app / App / Libraries / Extensions / FormBuilder / FormBuilderServiceProvider.PHP
<?PHP namespace App\Libraries\Extensions\FormBuilder;
use Illuminate\Support\ServiceProvider as IlluminateServiceProvider;
use App\Libraries\Extensions\FormBuilder\FormBuilder;
class FormBuilderServiceProvider extends IlluminateServiceProvider {
/**
* Indicates if loading of the provider is deferred.
*
* @var bool
*/
protected $defer = true;
/**
* Register the service provider.
*
* @return void
*/
public function register()
{
$this->app->bindShared('formbuilder',function($app)
{
$form = new FormBuilder($app['html'],$app['url'],$app['session.store']->getToken());
return $form->setSessionStore($app['session.store']);
});
}
/**
* Get the services provided by the provider.
*
* @return array
*/
public function provides()
{
return array('formbuilder');
}
}
为它创建一个Facade：
文件：app / App / Libraries / Extensions / FormBuilder / FormBuilderFacade.PHP
<?PHP namespace App\Libraries\Extensions\FormBuilder;
use Illuminate\Support\Facades\Facade as IlluminateFacade;
class FormBuilderFacade extends IlluminateFacade {
/**
* Get the registered name of the component.
*
* @return string
*/
protected static function getFacadeAccessor() { return 'formbuilder'; }
}
这将是您的命名空间服务类：
文件：app / App / Libraries / Extensions / FormBuilder / FormBuilder.PHP
<?PHP namespace App\Libraries\Extensions\FormBuilder;
use \Illuminate\Html\FormBuilder as IlluminateFormBuilder;
class FormBuilder extends IlluminateFormBuilder {
public function text($name,$options = array())
{
$options = $options + array('id'=>"field-{$name}");
return $this->input('text',$options);
}
}
将app / config / app.PHP和您的服务提供商打开到列表中
'App\Libraries\Extensions\FormBuilder\FormBuilderServiceProvider',
并用你的替换Laravel的Form别名
'Form' => 'App\Libraries\Extensions\FormBuilder\FormBuilderFacade',
为了测试,我创建了一个这样的路由器：
Route::any('test',function() {
return e(Form::text('first_name'));
});
它给了我这个结果：
<input id="field-first_name" name="first_name" type="text">