DispatcherServlet中有九个引用类型的属性,这就是springmvc的九大组件。

springmvc在工作的时候,关键位置都是由这些组件完成的。

/** MultipartResolver used by this servlet 文件上传解析器 */
	private MultipartResolver multipartResolver;

	/** LocaleResolver used by this servlet 区域信息解析器,和国际化有关 */
	private LocaleResolver localeResolver;

	/** ThemeResolver used by this servlet 主题解析题 */
	private ThemeResolver themeResolver;

	/** List of HandlerMappings used by this servlet     Handler映射信息*/
	private List<HandlerMapping> handlerMappings;

	/** List of HandlerAdapters used by this servlet      Handler适配器*/
	private List<HandlerAdapter> handlerAdapters;

	/** List of HandlerExceptionResolvers used by this servlet    springmvc强大的异常解析功能,异常解析器 */
	private List<HandlerExceptionResolver> handlerExceptionResolvers;

	/** RequestToViewNameTranslator used by this servlet */
	private RequestToViewNameTranslator viewNameTranslator;

	/** FlashMapManager used by this servlet */
	private FlashMapManager flashMapManager;

	/** List of ViewResolvers used by this servlet  视图解析器 */
	private List<ViewResolver> viewResolvers;