【IT168 资讯】经过四个里程碑版、三个RC版，Spring框架终于发布了3.0 的正式版。
该版本改进内容包括：
- 组件扫描自动检测 Java EE 6 中的
- "javax.annotation.ManagedBean"
- 支持 JPA 2.0 最终规范，净测试兼容EclipseLink 2.0 GA
- 全面支持 GlassFish V3 GA* 升级到 JRuby 1.4
- Bean 属性名的宽松映射规则 ("title" and "Title"; "ISBN" and "iSBN")
- Bean 属性映射支持枚举、数组和集合类型* ListableBeanFactory 类删除 getBeansWithAnnotation(Class,boolean,boolean) 方法
- PropertyPlaceholderConfigurer 兼容 Spring 2.5 扩展
- SmartLifecycle 将会根据需要自动启动，无视 lazy-init
- MBeanExporter detects FactoryBean-exported resources independent from declaration order
- refactored SpelExpressionParser to accept SpelParserConfiguration object with boolean flags
- revised TypeDescriptor's valueOf and forObject factory methods with some level of caching
- revised GenericConverter's "getConvertibleTypes" signature to return Set of ConvertiblePair
- GenericConversionService prefers matches against inherited interfaces over superclasses
- renamed ConverterRegistry's addGenericConverter(GenericConverter) method to addConverter
- no default converters for Object-to-Map and Map-To-Object anymore
- default converter for String-to-Properties parsing only applies for actual Properties objects
- default ObjectToStringConverter only stringifies objects that indicate proper toString behavior
- added "converters" property to FormattingConversionServiceFactoryBean as well
- full support for formatters and formatting annotations on array/collection elements
- no default number formatter (relying on plain java.lang.Number parsing and rendering)
- no default formatters for Date/Calendar (requiring explicit use of @DateTimeFormat)
- BeanValidationPostProcessor runs in before-initialization phase (before init methods) by default
- removed MultipartRequest mixin interface again (avoiding a package dependency cycle)
- revised RestTemplate method signatures to accept Object values instead of just Strings
- revised path variable extraction to properly deal with dots in variable values (again)
- reintroduced createBinder template method in Servlet/Portlet AnnotationMethodHandlerAdapter
