《深入分析javaweb技术内幕》之一——SpringMVC的工作机制与设计模式

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发布时间：2019-02-27

本文共 1559 字，大约阅读时间需要 5 分钟。

Spring MVC????

1. Spring MVC??

Spring MVC?????Java?MVC?????????Web???????????????????????????MVC?????Spring MVC???????DispatcherServlet?HandlerMapping?ViewResolver?HandlerAdapter??

1.1 DispatcherServlet???

DispatcherServlet?Spring MVC?????????????????????????????DispatcherServlet????????????????

HandlerMapping????URL???????

ViewResolver????????????????

HandlerAdapter??????????????

1.2 HandlerMapping?HandlerAdapter

HandlerMapping??????URL???????????Spring MVC????SimpleUrlHandlerMapping??????URL???????????????HandlerAdapter??????????????????????

1.3 Controller??

?Spring MVC??Controller??????????@controller?????HandlerMapping??????????????????Controller???HandlerAdapter???????????????????????

1.4 DispatcherServlet??????

???ApplicationContext???Spring???????

?????????? multipartResolver?localeResolver?themeResolver??

????????URL???????????

?????????URL??????????

2. HandlerExecutionChain

HandlerExecutionChain?Spring MVC????????????????HandlerInterceptor???????????????????????Chain????Spring MVC??????????????

2.1 HandlerInterceptor???

HandlerInterceptor????????????

preHandle?????????????????

postHandle?????????????????

afterCompletion????????????????

?????HandlerInterceptor???????????????????????????

3. Controller?????

?Spring MVC??Controller????????????????

??????????????

?????Controller???????

??????????????

???????????????????????

??HandlerExecutionChain????Spring MVC?????????????????

4. ??

Spring MVC???????????????????????????????DispatcherServlet?HandlerMapping?HandlerAdapter????????????????Web?????????????HandlerInterceptor??????????

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