学习 spring mvc

1. mvc 主要类 DispatcherServlet 

class DispatcherServlet ->

extends FrameworkServlet -> 

extends HttpServletBean implements ApplicationContextAware

（abstract class HttpServletBean extends HttpServlet（servlet3.jar）implements EnvironmentCapable（spring getEnvironment()）, EnvironmentAware( spring setEnvironment()）

2. DispathcerServlet 类

beanfactory工厂中 - MultipartResolver（interface）负责解析文件上传的对象（Well-known bean name）

public static final StringMULTIPART_RESOLVER_BEAN_NAME ="multipartResolver";

beanfactory工厂中 - LocaleResolver（interface）负责国际化解析的对象（Well-known bean name）

public static final StringLOCALE_RESOLVER_BEAN_NAME ="localeResolver";

/** Well-known name for the ThemeResolver object in the bean factory for this namespace. */

public static final StringTHEME_RESOLVER_BEAN_NAME ="themeResolver";