依靠注入,DI(Dependency Injection),它的作用自然不必多说,提及DI容器,例如sPRing,picoContainer,EJB容器等等,近日,Google诞生了更轻便的DI容器……Guice!
废话不多讲了,先看看Guice是如何实现注入的吧。
定义一个简单的service接口和它的实现吧:
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以上是最普通的接口和其实现,没什么可说的。
定义一个测试类,这个类里边包括service对象的一个引用,这个对象是需要Guice进行注入的
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