如何从Symfony 2中的任何类访问配置参数？
问题描述：
I've got a simple Model class that loads and saves a file:
<?php
namespace AppBundle\Model;
class WidgetModel {
public function load() {}
public function save() {}
}
From this class, I need to access configuration parameters defined in config.yml:
parameters:
widgets:
1:
width: 300
height: 250
2:
width: 240
height: 320
In a controller, I would normally use the syntax $widgetConfig = $this->getParameter('widget'); but obviously it won't work in this case.
What would be the correct way to do this from any class?
答
If you are speaking about a Service, you can inject parameters.
If you speak about inject parameters in your Entities, it is sadly bad practise. A Symfony Entity is designed to be POPO (plain old php object), so it should not know anything outside its scope (that is, no persistence, no container, ...).