面向?qū)ο髷?shù)據(jù)庫(kù)實(shí)驗(yàn)——應(yīng)用實(shí)現(xiàn)報(bào)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(wèn)等工作放到中間層處理，客戶端不直接與數(shù)據(jù)庫(kù)交互，而是通過(guò)控制器與中間層建立連接，再由中間層與數(shù)據(jù)庫(kù)交互。表示層采用JSP。●Web層，就是MVC模式中的“C”,負(fù)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(wèn)對(duì)象層),負(fù)責(zé)與持久化對(duì)象交互，封裝了數(shù)據(jù)的增、刪、改、●PO層(持久化對(duì)象層),以面向?qū)ο蠓绞讲僮鲾?shù)據(jù)庫(kù)。數(shù)據(jù)服務(wù)層使用面向?qū)ο髷?shù)據(jù)庫(kù)Versant,表示層采用struts框架，負(fù)責(zé)界面的更新，數(shù)據(jù)的校層采用JVI接口，對(duì)不同的對(duì)象建立一個(gè)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(jìn)行消息傳遞。持久化層對(duì)象采用經(jīng)過(guò)JVI加強(qiáng)過(guò)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(hào)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(kù)實(shí)驗(yàn)的數(shù)據(jù)訪問(wèn)對(duì)象2各模塊詳細(xì)設(shè)計(jì)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(lái)。另外頁(yè)面的底部顯示小組成員名單。通過(guò)點(diǎn)擊頁(yè)面頂部的不同功能，進(jìn)入不同的操作。請(qǐng)求訪問(wèn)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(duì)立方體的增刪改查操作，新增立方體時(shí)輸入立方體的原點(diǎn)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(jìn)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(duì)圓錐體的增刪改查操作，新增圓錐體時(shí)輸入圓錐體的頂點(diǎn)和底面頂點(diǎn)半徑，然后保存圓錐體信息。圓錐體模塊還對(duì)圓錐體進(jìn)行列表，并能進(jìn)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(jìn)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(duì)圓柱體的增刪改查操作，新增圓柱體時(shí)輸入圓柱體的頂點(diǎn)和底面頂點(diǎn)半徑，然后保存圓柱體信息。圓柱體模塊還對(duì)圓柱體進(jìn)行列表，并能進(jìn)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(duì)球體的增刪改查操作，新增球體時(shí)輸入球體的圓點(diǎn)和半徑，然后保存球體信息。球體模塊還對(duì)球體進(jìn)行列表，并能進(jìn)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(xì)設(shè)計(jì)里+input(mepping:ActionMappi