Spring 为什么'；t@限定符是否与@Autowired一起工作？

我有一门课，像：

@Service
@Qualifier("VeoExecutionService")
public class VeoExecutionService implements ExecutionService {

}

我在测试中使用它：

@Autowired
@Qualifier("VeoExecutionService")
private VeoExecutionService veoService;

但跑步时我会：

Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.trizic.service.veo.VeoExecutionService com.trizic.service.veo.VeoServiceImportAccountsTest.veoService; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.trizic.service.veo.VeoExecutionService] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true), @org.springframework.beans.factory.annotation.Qualifier(value=VeoExecutionService)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:508)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:289)
... 29 more
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.trizic.service.veo.VeoExecutionService] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true), @org.springframework.beans.factory.annotation.Qualifier(value=VeoExecutionService)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1103)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:963)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:858)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:480)
... 31 more

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我认为你应该使用这样的东西：

@Service("VeoExecutionService")
public class VeoExecutionService implements ExecutionService {

然后，在注入服务的地方：

@Autowired
@Qualifier("VeoExecutionService")
VeoExecutionService veoExecutionService;

请记住将

放在xml配置中，或将

@AnnotationDrivenConfig

放在java配置中

---

请注意，

（

@ComponentScan

在java配置中）也会激活

关于第一部分，我同意gipinani

@Service("VeoExecutionService")
public class VeoExecutionService implements ExecutionService {

但我认为注入部分必须这样写：

@Autowired
@Qualifier("VeoExecutionService")
Private ExecutionService veoExecutionService;

要注入ExecutionService的VeoExecutionService实现，请尝试以下操作：

@Autowired
@Qualifier("veoExecutionService")
private VeoExecutionService veoService;

---

“veoExecutionService”（小写为v）

因此问题与我在spring服务中使用@Transaction有关。根据Spring文档，它使用JDK动态代理（默认）或CGLIB。在JDK代理的情况下，它会感到困惑，因为服务还实现了一个接口。我找不到办法解决这个问题，但是在配置Spring使用CGLIB代理之后，一切都很好。这似乎是一个显而易见的问题，但他们经常让我们，您是否确保您的组件扫描实际上正在扫描您的服务的位置？我的问题通过将

放入xml配置文件中得到解决。我看不到任何配置，并且我怀疑是否首先加载了该服务。删除限定符并查看它是否有效。