Laravel扩展Form类 [英] Laravel extend Form class
问题描述
我正在尝试扩展L4.1中的Form
类,但是我似乎缺少了一些东西.我的文件基于API命名为FormBuilder.php
,并保存在 app/libraries/extended/FormBuilder.php 中.
I'm trying to extend the Form
class in L4.1 but I seem to be missing something. My file is named FormBuilder.php
based on the API and is saved in app/libraries/extended/FormBuilder.php.
<?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.我似乎无法专心于如何正确扩展此类Form
类的核心类.
This is actually the first time I've tried extending a core class in Laravel. I can't seem to put my finger on how to properly extend core classes like this Form
class.
修改:
我在 composer.json 文件中添加了"app/libraries/extended"
并同时运行了composer.phar update
和composer.phar dump-autoload
,但是它似乎仍在使用核心类而不是扩展类.我忘了做什么?
I added "app/libraries/extended"
to my composer.json file and ran both composer.phar update
and composer.phar dump-autoload
but it still seemed to be using the core class instead of my extended one. What am I forgetting to do?
推荐答案
要扩展/交换Laravel核心类,可以创建服务提供者:
To extend/swap a Laravel core class, you can create a Service Provider:
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');
}
}
为此创建外观:
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:
This would be your namespaced service class:
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, $value = null, $options = array())
{
$options = $options + array('id'=>"field-{$name}");
return $this->input('text', $name, $value, $options);
}
}
在列表中打开app/config/app.php
和您的服务提供商
Open app/config/app.php
and your Service Provider to the list
'App\Libraries\Extensions\FormBuilder\FormBuilderServiceProvider',
并用您的替换Laravel的Form别名
And replace Laravel's Form alias with yours
'Form' => 'App\Libraries\Extensions\FormBuilder\FormBuilderFacade',
为了测试,我创建了一个像这样的路由器:
To test I created a router like this:
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">
这篇关于Laravel扩展Form类的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!