Question

我有一个用@Configuration注释的DAO类。在这个DAO类中，我有一个定义为

的bean

@Bean
public MyDao myDao(){
    return new MyDao(dataSource);
}

现在我想在我的服务类中使用这个DAO。所以我用@Service注释了服务类并使用了

@Autowired private IMyDao myDao;

在运行测试时，我收到以下错误

org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [IMyDao] 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)}

Answer 1

将此添加到您的应用程序上下文

 <context:component-scan base-package="your top level package">
    <context:include-filter type="regex"
    expression="com\.your package\..*Dao.*" />
    <context:include-filter type="regex"
    expression="com\.your package\..*Service.*" />
    <context:exclude-filter type="annotation"
    expression="org.springframework.stereotype.Controller" />
    </context:component-scan>

不能@Autowire @Bean属性

1 个答案: