struts2.0 学习1.pptVIP

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struts2.0 学习1.ppt

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struts2.0 学习1

Revolution to next generation Struts2.0 20/02/2009 1 Avishek Arang :: avishekarang@ Topics discussed … Basic features of struts2.0. Struts2 vs struts1.1. Architecture of struts2.0. Basic flow of struts2.0. How to configure the plugins for struts2 in netbeans IDE. Some basic components in brief. Reference 20/02/2009 2 Avishek Arang :: avishekarang@ based Navigation Built-in Ajax Support: DWR and Dojo Spring as default inversion of control container Changed from front-controller servlet to filter Much better client-side validation support QuickStart and Annotations JSF Support Built-in support for testing with StrutsTestCase Features 20/02/2009 3 Avishek Arang :: avishekarang@ Struts2.0 Struts1.1 Action Action or POJO Result struts.xml FilterDispatcher Interceptors Action-validation.xml Action ActionForm ActionForward struts-config.xml ActionServlet RequestProcessor validation.xml Comparison 20/02/2009 4 Avishek Arang :: avishekarang@ Architecture 20/02/2009 Avishek Arang :: avishekarang@ 5 User Sends request. FilterDispatcher determines the appropriate action. Interceptors are applied. Execution of Action. Output rendering. Return of Request(reverse order). Display the result to user. Avishek Arang :: avishekarang@ 20/02/2009 6 Flow of Struts 2 based Application Select Tools Plugins: To configure struts plugins to netbeans IDE. 20/02/2009 7 Avishek Arang :: avishekarang@ Configure Plugins: org-netbeans-modules-web-frameworks-struts2.nbm org-netbeans-modules-web-frameworks-struts2lib20011.nbm 20/02/2009 8 Avishek Arang :: avishekarang@ Struts 2 Core components are Action handler, Result Handler and Custom Tags. Action handler Action handler interacts with other layers. Result Handler Result handler actually dispatches the request to view. Custom Tags Custom Tags are used render the dynamic content. InterceptorsThe Interceptors are used to specify the request-processing lifecycle for an action. Interceptors are configured to apply the common functionali