面向?qū)ο髷?shù)據(jù)庫實驗——應(yīng)用實現(xiàn)報告該系統(tǒng)采用J2EE的三層結(jié)構(gòu)，分為表示層、業(yè)務(wù)邏輯層和數(shù)據(jù)服務(wù)層。三層體系將業(yè)務(wù)規(guī)則、數(shù)據(jù)訪問等工作放到中間層處理，客戶端不直接與數(shù)據(jù)庫交互，而是通過控制器與中間層建立連接，再由中間層與數(shù)據(jù)庫交互。表示層采用JSP?！馱eb層，就是MVC模式中的“C”,負責(zé)表示層與業(yè)務(wù)邏輯層的交互，調(diào)用業(yè)務(wù)邏輯層，并將業(yè)務(wù)數(shù)據(jù)返回給表示層顯示。MVC框架采用流行的Struts.●DAO層(數(shù)據(jù)訪問對象層),負責(zé)與持久化對象交互，封裝了數(shù)據(jù)的增、刪、改、●PO層(持久化對象層),以面向?qū)ο蠓绞讲僮鲾?shù)據(jù)庫。數(shù)據(jù)服務(wù)層使用面向?qū)ο髷?shù)據(jù)庫Versant,表示層采用struts框架，負責(zé)界面的更新，數(shù)據(jù)的校層采用JVI接口，對不同的對象建立一個類，井提供相應(yīng)服務(wù)，供表示層使用，并以VO在表示層與DAO層進行消息傳遞。持久化層對象采用經(jīng)過JVI加強過的模型類，執(zhí)行新模塊劃分的目標(biāo)是：高內(nèi)聚，低耦合。我們盡量減少模塊和模塊之間的交互，而把處模塊編號模塊名稱主界面立方體模塊圓錐體模塊圓柱體模塊球體模塊模型預(yù)覽name.zzz.hd.dao面向?qū)ο髷?shù)據(jù)庫實驗的數(shù)據(jù)訪問對象2各模塊詳細設(shè)計主界面顯示程序所能執(zhí)行的各種操作，并以菜單的形式顯示出來。另外頁面的底部顯示小組成員名單。通過點擊頁面頂部的不同功能，進入不同的操作。請求訪問主界面里顯示完成V+goBottom(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse):Ac+goTop(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse+goHome(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse):Ac該模塊包括對立方體的增刪改查操作，新增立方體時輸入立方體的原點和在坐標(biāo)系中行編輯和刪除操作。在列表上方的快速搜索里面可以輸入立方體的名稱進行模糊查詢。是是丁否中面否是addCube,jspaddCube,jspeditCube,jsp+add(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletR+preview(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletR+insert(mapping:ActionMapping,form:ActionForm,request:Htt+edt(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpSeryletR+update(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletR+delete(mepping:ActionMapping,form:ActionForm,request:HttpServletRequest,response;HttpServletRes+list(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletRes該模塊包括對圓錐體的增刪改查操作，新增圓錐體時輸入圓錐體的頂點和底面頂點半徑，然后保存圓錐體信息。圓錐體模塊還對圓錐體進行列表，并能進行編輯和刪除操作。在列表上方的快速搜索里面可以輸入圓錐體的名稱進行模糊查詢。否否中面否是上上+add(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse):AV該模塊包括對圓柱體的增刪改查操作，新增圓柱體時輸入圓柱體的頂點和底面頂點半徑，然后保存圓柱體信息。圓柱體模塊還對圓柱體進行列表，并能進行編輯和刪除操作。否否中面否是-CylinderDao:Cylind+add(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse+preview(mapping:ActlonMapping,formActionForm,request:HttpServletRequest,response:HttpServletResponse):Ac+insert(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse):Ac+edit(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse):Ac+update(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse+delete(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse+list(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServletResponse):Ac該模塊包括對球體的增刪改查操作，新增球體時輸入球體的圓點和半徑，然后保存球體信息。球體模塊還對球體進行列表，并能進行編輯和刪除操作。在列表上方的快速搜索否否中否是+add(mapping:ActionMapping,form:ActionForm,request:HttpServletRequest,response:HttpServlet2.6模型預(yù)覽(M6)模塊詳細設(shè)計里+input(mepping:ActionMappi