外文翻译-Struts 开发的最佳实践

《外文翻译-Struts 开发的最佳实践》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、毕业设计（论文）译　　文题目JavaEE5：强大的功能、高生产率和低复杂性学生姓名历光林学号2008114150专业信息管理与信息系统班级20081141指导教师李碧涛评阅教师李碧涛完成日期2011年11月31日BestpracticesforStrutsdevelopmentPalaniyappanThiagarajan,PagadalaSureshStruts:AbriefintroductionStruts,anopensourceframeworkyoucanusetobuildWebapplications,isbasedo

2、nthepopularModel-View-Controller(MVC2)designparadigm.TheframeworkisbuiltuponstandardtechnologieslikeJavaServlets,JavaBeans,ResourceBundles,andXML,anditprovidesflexibleandextensiblecomponents.StrutsimplementstheControllerlayerintheformof ActionServlet andrecommendsbuildi

3、ngtheViewlayerusingJSPtaglibraries.StrutsalsoprovidesawrapperaroundtheModellayerthroughAction classes.Figure1illustratestheStrutsframeworkbasedontheModel-View-Controllerdesign.Figure1.StrutsandMVC OverviewofStrutscomponentsFirst,we'llexplaintheStrutscomponentsintheconte

4、xtofbestpracticesandtheroleeachoneplaysinyourWebapplicationdevelopment.ActionEvery Action ofyourapplicationextendsStruts' org.apache.struts.action.Action.These Action classesprovideaninterfacetotheapplication'sModellayer,actingasawrapperaroundthebusinesslogic.Each Actio

5、n classmustprovideitscase-specificimplementationtothe perform() method.The perform() methodalwaysreturnsavalueoftype ActionForward.ActionFormEvery ActionForm ofyourapplicationextendsStruts' org.apache.struts.action.ActionForm. ActionFormsaresimpleJavaBeansthatencapsulat

6、eandvalidaterequestparameters.Tovalidateyourrequestdata,your ActionForm's validate() methodmustgiveacase-specificimplementation. ActionFormsserveasacarrierofrequestdatatothe Action class.AJSPobjectcombineswitharespective ActionForm toformyourapplication'sViewlayer,where

7、almosteveryformfieldoftheJSPobjectmapstoanattributeofthecorresponding ActionForm.JSPcustomtaglibrariesTheJSPcustomtaglibrariesareacollectionofactionspresentedastags.ThisisapowerfulfeatureoftheJSPSpecification1.1;itallowsyoutoseparatepresentationfromotherapplicationtiers

8、.ThelibrariesareeasytouseandyoucanreadtheminXML-likefashion.YoucaneasilymaintaintheJSPcomponentsbyminimizingth