关于电梯喷油器的问题
据我了解 文档 Lift 提供Injector 特征（及其实现）来注入依赖项，如下所示：
object MyInjector extends Injector {...}
val myThing: Box[Thing] = MyInjector.inject不幸的是，它对我来说看起来太具有侵入性。我不希望我的业务类依赖于 Injector 特征（及其实现）。我想让我的业务类保持干净并且没有任何框架依赖性。
例如，Spring 在这个意义上就不是侵入性的。也就是说，我不必将 Spring 导入添加到我的业务类中来实现依赖注入。
我错过了什么吗？
As I understand from the documentation Lift provides Injector trait (and its implementations) to inject dependencies as follows:
object MyInjector extends Injector {...}
val myThing: Box[Thing] = MyInjector.injectUnfortunately, it looks too intrusive for me. I don't want my business classes to depend on the Injector trait (and its implementation). I would like to keep my business classes clean and free of any framework dependencies.
Spring, for example, is not intrusive in this sense. That is, I do not have to add Spring imports to my business classes in order to implement dependency injection.
Am I missing something?
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如果您不喜欢 Injector 特性（我也不喜欢），则不必使用它。 http://scala.sygneca.com/patterns/component-mixins。您可以坚持蛋糕模式。 Spring 是否为您提供了蛋糕模式无法实现的功能？
If you don't like the Injector trait (neither do I), you do not have to use it. http://scala.sygneca.com/patterns/component-mixins. You can just stick to the cake pattern. Does Spring offer you anything that you can't implement with the cake pattern?