spring formController 调用过程

本文详细解析了Spring MVC框架中的请求处理流程,从ScanProductController的onSubmit方法入手,逐步介绍到DispatcherServlet如何调度整个过程,并最终渲染页面。通过本篇文章,读者可以深入理解Spring MVC的工作机制。

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ScanProductController ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object command, BindException errors)

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SimpleFormController  ModelAndView onSubmit(
   HttpServletRequest request, HttpServletResponse response, Object command, BindException errors)

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BaseFormController ModelAndView processFormSubmission(HttpServletRequest request,
                                              HttpServletResponse response,
                                              Object command,
                                              BindException errors)

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AbstractFormController ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)

——〉

ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)

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SimpleControllerHandlerAdapter

——〉

 ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object handler)

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DispatcherServlet doDispatch(HttpServletRequest request, HttpServletResponse response)

mv = ha.handle(processedRequest, response, mappedHandler.getHandler());

——〉

render(ModelAndView mv, HttpServletRequest request, HttpServletResponse response)  渲染页面

 

 

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