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SpringMVC流程

2021-04-07 21:20:09   2  举报

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SpringMVC的运行流程

Java

SpringMVC

作者其他创作

大纲/内容

BeanNameViewResolverContentNegotiatingViewResolver 内容协商(根据客户提交的MimeType决定返回的数据)InternalResourceViewResolver 内部资源(jsp)AbstractTemplateViewResolver FreeMarker等模板

HandlerMapping

doService --> doDispatch 方法完成整个调用流程 (默认配置: DispatcherServlet.properties)

View

SimpleUrlHandlerMapping 手动配置BeanNameUrlHandlerMapping beanName以/开头RequestMappingHandlerMapping 最常用的@RequestMapping注解方法RouterFunctionMapping Spring5.2新增

DispatcherServlet

HandlerAdapter

ViewResolver

SimpleServletHandlerAdapter 适配 Servlet的service方法SimpleControllerHandlerAdapter 适配 Controller的handleRequest方法HttpRequestHandlerAdapter 适配 HttpRequestHandlerAdapter的handleRequest方法RequestMappingHandlerAdapter 适配 @RequestMapping注解的HandlerMethod (最常用)HandlerFunctionAdapter 适配 HandlerFunction (Spring5.2新增)

InternalResourceViewMappingJackson2JsonViewFreeMarkerViewAbstractXlsxView

HandlerExecutionChain getHandler(HttpServletRequest request)

Handler