by Using register(Class…) . . . . . . . . . . . . . . . 148 Enabling Component Scanning with scan(String…) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Support for Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 Using scan/> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . org/schema/context/spring-context.xsd"> scan base-package="org.example"/> 124  The use of scan> implicitly enables the functionality of

应用 scan> 元素指定控制器类的基本包 scan base-package="basePackage" /> 例如，若所有的控制器类都在 com.example.controller 及其子包下， 则需要写一个如下所示的 scan> 元素: scan base-package="com scan base-package="controller"/> ▶ scan/> 元素指示 Spring 为了能被作为依赖注入，类必须要声明为 @Service 注解类 型。 ▶ @Service 注解类型指示类是一个服务。 ▶ 配置文件中需要添加一个 scan/> 元素来扫描依 赖包： scan base-package="dependencyPackage"/> 大纲 Java Web 应用的开发演化 MVC 模式示例 Spring MVC 数据绑定和表单标签库

ignores same class found multiple times in the classpath (i.e. equal bean definition) * component-scan preserves original source of scanned bean definitions, for silently ignoring already scanned classes bean * added type="custom" expression="" option to component-scan's "include- filter"/"exclude-filter" * component-scan's "include-filter"/"exclude-filter" entries are validated individually nested composite component * "context:component-scan" resolves "${...}" placeholders in package paths against system properties * "context:component-scan" explictly ignores directories that accidentally

ignores same class found multiple times in the classpath (i.e. equal bean definition) * component-scan preserves original source of scanned bean definitions, for silently ignoring already scanned classes bean * added type="custom" expression="" option to component-scan's "include- filter"/"exclude-filter" * component-scan's "include-filter"/"exclude-filter" entries are validated individually nested composite component * "context:component-scan" resolves "${...}" placeholders in package paths against system properties * "context:component-scan" explictly ignores directories that accidentally

bean * added type="custom" expression="" option to component-scan's "include- filter"/"exclude-filter" * component-scan's "include-filter"/"exclude-filter" entries are validated individually nested composite component * "context:component-scan" resolves "${...}" placeholders in package paths against system properties * "context:component-scan" explictly ignores directories that accidentally (supported by FileSystemResource) * fixed ClassMetadataReadingVisitor (as used by "context:component-scan") to correctly ignore *usage* of inner classes Package org.springframework.dao * PersistenceExc

inTilesConfigurer when no definitions found (SPR-12363) fixed @Import in another annotation results in double scan (SPR-12334) fixed private @Scheduled methods end up on 'empty' proxy instance in case of CGLIB auto-proxying context arrangement (SPR-12191) improved Scheduled/JmsListenerAnnotationBeanPostProcessor to not scan every scoped instance (SPR-12189) fixed HttpHeaders should accept empty Content-Type header (SPR-12173) * fixed read/write method mismatch problems with BeanWrapper (SPR-11361) * fixed context:component-scan element in the mvc-cofig.xml (SPR-11221) * fixed XMLEventStreamWriter handleing for writeEmptyElement()

inTilesConfigurer when no definitions found (SPR-12363) fixed @Import in another annotation results in double scan (SPR-12334) fixed private @Scheduled methods end up on 'empty' proxy instance in case of CGLIB auto-proxying context arrangement (SPR-12191) improved Scheduled/JmsListenerAnnotationBeanPostProcessor to not scan every scoped instance (SPR-12189) fixed HttpHeaders should accept empty Content-Type header (SPR-12173) * fixed read/write method mismatch problems with BeanWrapper (SPR-11361) * fixed context:component-scan element in the mvc-cofig.xml (SPR-11221) * fixed XMLEventStreamWriter handleing for writeEmptyElement()

inTilesConfigurer when no definitions found (SPR-12363) fixed @Import in another annotation results in double scan (SPR-12334) fixed private @Scheduled methods end up on 'empty' proxy instance in case of CGLIB auto-proxying context arrangement (SPR-12191) improved Scheduled/JmsListenerAnnotationBeanPostProcessor to not scan every scoped instance (SPR-12189) fixed HttpHeaders should accept empty Content-Type header (SPR-12173) * fixed read/write method mismatch problems with BeanWrapper (SPR-11361) * fixed context:component-scan element in the mvc-cofig.xml (SPR-11221) * fixed XMLEventStreamWriter handleing for writeEmptyElement()

inTilesConfigurer when no definitions found (SPR-12363) fixed @Import in another annotation results in double scan (SPR-12334) fixed private @Scheduled methods end up on 'empty' proxy instance in case of CGLIB auto-proxying context arrangement (SPR-12191) improved Scheduled/JmsListenerAnnotationBeanPostProcessor to not scan every scoped instance (SPR-12189) fixed HttpHeaders should accept empty Content-Type header (SPR-12173) * fixed read/write method mismatch problems with BeanWrapper (SPR-11361) * fixed context:component-scan element in the mvc-cofig.xml (SPR-11221) * fixed XMLEventStreamWriter handleing for writeEmptyElement()

inTilesConfigurer when no definitions found (SPR-12363) fixed @Import in another annotation results in double scan (SPR-12334) fixed private @Scheduled methods end up on 'empty' proxy instance in case of CGLIB auto-proxying context arrangement (SPR-12191) improved Scheduled/JmsListenerAnnotationBeanPostProcessor to not scan every scoped instance (SPR-12189) fixed HttpHeaders should accept empty Content-Type header (SPR-12173) * fixed read/write method mismatch problems with BeanWrapper (SPR-11361) * fixed context:component-scan element in the mvc-cofig.xml (SPR-11221) * fixed XMLEventStreamWriter handleing for writeEmptyElement()