實(shí)驗(yàn)五：責(zé)任鏈模式VIP

實(shí)驗(yàn)五：責(zé)任鏈模式實(shí)驗(yàn)五：責(zé)任鏈模式實(shí)驗(yàn)五：責(zé)任鏈模式實(shí)驗(yàn)五：責(zé)任鏈模式編制僅供參考審核批準(zhǔn)生效日期地址：電話：傳真:郵編:實(shí)驗(yàn)5：責(zé)任鏈模式一、實(shí)驗(yàn)?zāi)康谋緦?shí)驗(yàn)要求學(xué)生掌握責(zé)任鏈模式，要求學(xué)生理解責(zé)任鏈模式中的二種角色并完成類的定義及測(cè)試。二、實(shí)驗(yàn)任務(wù)計(jì)算整數(shù)的階乘。要求在計(jì)算階乘時(shí)綜合考慮計(jì)算速度與內(nèi)存占用多少，使用責(zé)任鏈模式分析有哪些類以及這些類的角色，完成這些類的定義并分別測(cè)試每一種處理情況。答：處理者（Handler）角色：類Handler具體處理者（ConcreteHandler）角色：類UseInt、類UseLong、類UseBigInteger（1）處理者（Handler）publicinterfaceHandler{publicvoidhandleRequest(Stringstr);publicvoidsetNextHandler(Handlerhandler);}（2）具體處理者（ConcreteHandler）publicclassUseIntimplementsHandler{ privateHandlerhandler; privateintresult=1;publicvoidhandleRequest(Stringstr){ try{ intn=(str); inti=1; while(i<=n){ result=result*i; if(result<=0){ "超出我的能力范圍，我計(jì)算不了"); (str); return; } i++; } "的階乘："+result+"\n"); }catch(NumberFormatExceptionexp){ }}publicvoidsetNextHandler(Handlerhandler){ =handler;}}publicclassUseLongimplementsHandler{privateHandlerhandler;longresult=1;publicvoidhandleRequest(Stringstr){ try{ inti=1; longn=(str); while(i<=n){ result=result*i; if(result<=0){ "超出我的能力范圍，我計(jì)算不了"); (str); return; } i++; } "的階乘："+result+"\n"); }catch(NumberFormatExceptionexp){ } }publicvoidsetNextHandler(Handlerhandler){ =handler;}}publicclassUseBigIntegerimplementsHandler{ privateHandlerhandler; privateBigIntegerresult=newBigInteger("1");publicvoidhandleRequest(Stringstr){ BigIntegern=newBigInteger(str); BigIntegerONE=newBigInteger("1"); BigIntegeri=ONE; while(n)<=0){ result=(i); i=(ONE); } "的階乘："+result+"\n");}publicvoidsetNextHandler(Handlerhandler){ =handler;}}（3）測(cè)試類：publicclassTest{privateHandleruseInt,useLong,useBigInteger; publicvoidcreateChain(){ useInt=newUseInt(); useLong=newUseLong(); useBigInteger=newUseBigInteger(); (useLong); (useBigInteger); } publicvoidresponseClient(Stringstr){ "計(jì)算"+str+"的階乘"); (str); } publicstaticvoidmain(String[]args){ Testtest=newTest(); (); ("10"); ("20"); ("32"); }}運(yùn)行截圖如下：采購(gòu)審批往往是分級(jí)進(jìn)行的，其常常根據(jù)采購(gòu)金額的不同由不同層次的主管人員來(lái)審批。例如，主任可以審批5萬(wàn)元以下（不包括5萬(wàn)元）的采購(gòu)單，副董事長(zhǎng)可以審批5萬(wàn)元至10萬(wàn)元（不包括10萬(wàn)元）的采購(gòu)單，董事長(zhǎng)可以審批10萬(wàn)元至50萬(wàn)元（不包括50萬(wàn)元）的采購(gòu)單，50萬(wàn)元及以上的采購(gòu)單就需要開(kāi)董事會(huì)討論決定。使用責(zé)任鏈模式分析有哪些類以及這些類的角色，完成這些類的定義并分別測(cè)試每一種處理情況。答：處理者（Handler）角色：類Handler具體處理者（ConcreteHandler）角色：類、類Vice_president、類President、類Meetting（1）處理者（Handler）publicinterfaceHandler{publicvoidhandleRequest(Stringstr);publicvoidsetNextHandler(Handlerhandler);}（2）具體處理者（ConcreteHandler）publicclassChairManimplementsHandler{ Handlerhandler; publicvoidrequestHandle(Stringstr){ try{ longmoney=(str); if(money<50000){ "主任審批"+money+"元"); }else{ "元"+"超出主任范疇"); (str); } }catch(Exceptione){ } } publicvoidsetNextHandler(Handlerhandler){ =handler; }}classVice_presidentimplementsHandler{ Handlerhandler; publicvoidrequestHandle(Stringstr){ try{ longmoney=(str); if(money>=50000&&money<100000){ "副董事長(zhǎng)審批"+money+"元"); }else{ "元"+"超出副董事長(zhǎng)范疇"); (str); } }catch(Exceptione){ } } publicvoidsetNextHandler(Handlerhandler){ =handler; }}classPresidentimplementsHandler{ Handlerhandler; publicvoidrequestHandle(Stringstr){ try{ longmoney=(str); if(money>=100000&&money<500000){ "董事長(zhǎng)審批"+money+"元"); }else{ "元"+"超出董事長(zhǎng)范疇"); (str); } }catch(Exceptione){ } } publicvoidsetNextHandler(Handlerhandler){ =handler; }}classMeettingimplementsHandler{ Handlerhandler; publicvoidrequestHandle(Stringstr){ try{ BigIntegermoney=newBigInteger(str); if(newBigInteger("500000"))>=0){ "會(huì)議審批"+money+"元"); } }catch(Exceptione){ } } publicvoidsetNextHandler(Handlerhandler){ =handler; }}（3）測(cè)試類：publicclassTest{ ChairManchairman; Vice_presidentvice_president; Presidentpresident; Meettingmeetting; publicvoidcreateChine(){ chairman=newChairMan(); vice_president=newVice_president(); president=newPresident(); meetting=newMeetting(); (vice_president); (president); (meetting); } publicvoidsetClientRequest(Stringstr){ "采購(gòu)金額:"+str+"元"); (str); } publicstaticvoidmain(String[]args){ Testtest=newTest(); (); ("6000"); ("60000"); ("110000"); ("6000000"); }}運(yùn)行截圖如下：公司請(qǐng)假審批流程如下：如果請(qǐng)假小于3天只需要項(xiàng)目經(jīng)理批復(fù)就行；如果請(qǐng)假大于等于3天，小于7天需要人事經(jīng)理批復(fù)；如果請(qǐng)假大于等于7天，小于15天需要總經(jīng)理批復(fù)；如果申請(qǐng)請(qǐng)假大于等于15天，決絕批復(fù)。使用責(zé)任鏈模式分析有哪些類以及這些類的角色，完成這些類的定義并分別測(cè)試每一種處理情況。答：處理者（Handler）角色：類Handler具體處理者（ConcreteHandler）角色：類Project_Manager、類Personel_Manager、類Top_Manager、類Meetting（1）處理者（Handler）publicinterfaceHandler{publicvoidhandleRequest(Stringstr);publicvoidsetNextHandler(Handlerhandler);}（2）具體處理者（ConcreteHandler）publicclassProject_ManagerimplementsHandler{ Handlerhandler; publicvoidrequestHandle(Stringstr){ try{ intday=(str); if(day<3){ "項(xiàng)目經(jīng)理批復(fù)\n"); }else{ "超出項(xiàng)目經(jīng)理職權(quán)"); (str); } }catch(Exceptione){ } } publicvoidsetNextHandler(Handlerhandler){ =handler; }}publicclassPersonel_ManagerimplementsHandler{ Handlerhandler; publicvoidrequestHandle(Stringstr){ try{ intday=(str); if(day>=3&&day<7){ "人事經(jīng)理批復(fù)\n"); }else{ "超出人事經(jīng)理職權(quán)"); (str); } }catch(Exceptione){ } } publicvoidsetNextHandler(Handlerhandler){ =handler; }}publicclassTop_ManagerimplementsHandler{ Handlerhandler; publicvoidrequestHandle(Stringstr){ try{ intday=(str); if(day>=7&&day<15){ "總經(jīng)理批復(fù)\n"); }else{ "總經(jīng)理考慮"); (str); } }catch(Exceptione){ } } publicvoidsetNextHandler(Handlerhandler){ =handler; }}publicclassMeettingimplementsHandler{ Handlerhandler; publicvoidrequestHandle(Stringstr){ try{ intday=(str); if(day>=15){