辦公自動(dòng)化系統(tǒng)oa架構(gòu)設(shè)計(jì)

1、架構(gòu)層次示PODAO Service WEBVIEW數(shù)據(jù)庫服務(wù) Service 層（業(yè)務(wù)邏輯層）負(fù)責(zé)業(yè)務(wù)邏輯的實(shí)現(xiàn)，封裝對(duì) DAO 對(duì)象 PO層（持久化對(duì)象層工廠模式（Spring的BeanFactory替代事務(wù)處理、日志服務(wù)、權(quán)限檢查等系統(tǒng)服架構(gòu)設(shè)dedelee() :voupdate):vosubmit():void list:vo:vogetLeaveActdelete ) :vosubmit():void lst:vo:voget :Obje-AutoProxyCrea fndByDetachCritrea(DetatchCritireadcrieria) :L:LeaveV:Lsav

2、eLeave (Inform alVO Inform asub ave(InformalVOInforma) updaeLeave(InformalVOInformal) getLeave (In egeroid)fndAlLeave - leaveDAO :LeaveDALeaveServiceImfindByDetachCritreaDetatchCritireadcrieria) :L getInform al(In egeroid) -informalDAO :InformalDA submitInformal(InformalVOInforma):int updaeInformal(

3、InformalVOInformal):getInformal(In :LsaveLeave(InformalVO Informa): nt subm itLeave (Inform alVO Inform al) : nt upda eave (Inform alVO Inform a ) : nt getLeave (Integero d)findAlLeave:L ILeaveServILeaveDALeaveDA :createObject(OdeleeObjectObjecto) modifyObjectObjectfindByD Classclazz,SerialzablekeBa

4、seDAsetSessionFactory(SessionFactorysessionFactory) :vo HibernateDaoSuppofindByD Classclazz,Serialzablekey) :Obje:vo:vo:vocreateObject(OdeleteObjectObjemodifyObject(ObjeIBaseDA繼層和，那種方式更好DAO 設(shè)計(jì)BaseDAO DAO庫作為持久層,將來可能換成使用文件，這就就需要將數(shù)據(jù)庫的改成 IoC 容器將實(shí)際使用的 DAO 實(shí)例注入到業(yè)務(wù)組件中, 庫的操作，只需注入一個(gè) Sessionfactory 對(duì)象，session

5、 的管理和事務(wù)都交給 Spring 處理Service 設(shè)計(jì)合帶來的或升級(jí)帶來的WEB過 Spring 的 IoC 容器取得的 DAO Hibernate 的結(jié)合DAO 繼承 HibernateDaoSupport, HibernateDaoSupport 依賴 SessionFactory, 而 SessionFactory 依賴一Datasource 或數(shù)據(jù)庫的連接參數(shù)，在此使用數(shù)據(jù)源連接方式，因此,bean 定義文件通過以下配置來完成依賴關(guān)系的注入beanid=dataSource propertyproperty propertyproperty bean id=sessionFact

6、ory class=propertyreflocal=dataSourcepropertyname=mappropertyprop prop beanid=LeaveDAOpropertyreflocal=sessionFactorybeanid=InformalDAOpropertyreflocal=sessionFactoryService DAO 添加事務(wù)(在此DAO 添加事務(wù)bean id=transactionManager class=propertyreflocal=sessionFactorybean id=LeaveDAOProxy class=propertyrefbean

7、=transactionManagerpropertyname=reflocal=LeaveDAO!-使用CGlib-propertyproppropService DAO 的結(jié)合beanid=LeaveServicepropertyreflocal=LeaveDAOProxybeanid=InformalServicepropertyreflocal=InformalDAOProxyControl Service web-context-contextConfigLocation/param-/WEB-INF/classes/bean.xml/param-/context-SpringCon

8、textServlet/servlet-servlet-/servlet-1/load-on-Action publicclassBaseActionDispatchActionpublicObjectgetService(String ServletContextservletContext=actionServlet.getServletContext(); WebApplicationContext wac = WebApplicationContextUtilsthis.service = (ServiceImp) wac.getBean(serviceName);publicclassLeaveActionBaseActionpublicActionFo