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可在 Inject 注解上设置指定名称的 Bean
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#I3V1P
黄勇
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Opened this issue
2014-04-20 01:03
例如，当使用 Inject 注解将某个 Service 注入到 Action 中时，若该 Service 有多个实现类，则需根据 Inject 注解中设置的 Bean 名称来获取指定的实现类对象。 以前是通过在实现类上标注 Impl 注解来实现的，这种做法是有一定弊端的。因为未被 Impl 标注的实现类将不会被 IOC 容器来管理，从而失去了它存在的意义。也就是说，在其它类中无法注入没有 Impl 标注的类。
例如，当使用 Inject 注解将某个 Service 注入到 Action 中时，若该 Service 有多个实现类，则需根据 Inject 注解中设置的 Bean 名称来获取指定的实现类对象。 以前是通过在实现类上标注 Impl 注解来实现的，这种做法是有一定弊端的。因为未被 Impl 标注的实现类将不会被 IOC 容器来管理，从而失去了它存在的意义。也就是说，在其它类中无法注入没有 Impl 标注的类。
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