我有一个类似于存储(添加/获取项目)的类。我尝试将它绑定为一个服务提供者中的单例,并在另一个服务提供者的引导方法中解决它。
为简单起见,代码已更改。
app/Providers/BindingProvider.php
<?php namespace App\Providers;
use Illuminate\Support\Facades\Facade;
use Illuminate\Support\ServiceProvider as ServiceProvider;
class MyBindingFacade extends Facade {
public static function getFacadeAccessor() {
return 'my.binding';
}
}
class MyBinding {
protected $items = [];
public function add($name, $item) {
$this->items[$name] = $item;
}
public function get($name) {
return $this->items[$name];
}
public function getAll() {
return $this->items;
}
}
class BindingProvider extends ServiceProvider {
public function register() {
$this->app->singleton('my.binding', function($app) {
return $app->make('App\Providers\MyBinding');
});
}
public function provides() {
return [
'my.binding',
];
}
}
app/Providers/ResolvingProvider.php
<?php namespace App\Providers;
use Illuminate\Support\ServiceProvider as ServiceProvider;
use App\Providers\MyBinding;
class ResolvingProvider extends ServiceProvider {
public function boot(MyBinding $binding) {
$binding->add('foo', 'bar');
// $manual = $this->app->make('my.binding');
// $manual->add('foo', 'bar');
}
public function register() {}
}
app/Http/Controllers/WelcomeController.php
<?php
namespace App\Http\Controllers;
use App\Providers\MyBindingFacade;
class WelcomeController extends Controller {
public function index()
{
dd(MyBindingFacade::getAll()); // debug items
}
}
当我尝试调试 MyBinding 状态时,我WelcomeController
得到了空项目数组。但是,如果我$manual
从我的 ResolvingProvider 中取消注释部分,它会返回一个包含 'foo' => 'bar' 的数组。这是否意味着 IoC 分辨率在ServiceProvider::boot()
方法上被破坏了,还是我在滥用 Laravel 功能?
Laravel 版本:5.0.28
更新:从 WelcomeController 添加了代码示例。