关于面向对象策略模式商场节假日打折的源代码

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1、商场节假日打折…00面向对象之策略模式130802031023信管3班田雪艳1、父类publicinterfaceSuperCash{//得到算过后的结账金额publicdoublegetcash(doublecash);}2、3个了类1)平日收费publicclassNormalCashimplementsSuperCash{publicdoublegetcash(doublecash){returncash;}}2)折扣算法，3・8打折、54打折publicclassDiscountCashimplementsSuperCash

2、{privatefloatmoneyRebate;//打折的折扣publicDiscountCash(floatmoneyRebate){this.moneyRebaoneyRebate;}publicdoublegetcash(doublecash){returnmoneyRebate*cash;}}3)满赠算法，十一特惠publicclassReturnCashimplementsSuperCash{privatefloatupcash;//•百五privatefloatdowncash;//71十publicReturnCas

3、h(floatupcash^floatdowncash){this•upcash=upcash;this.downcash二downcash;}publicdoublegetcash(doublecash){doubleresult二cash;if(cash>=upcash){result=cash-(Math./Loor(cash/upcash)*downcash);returnresult;}}3、结账算法选择publicclassCashContext{privateSuperCashsupercash;publicCashC

4、ontext(Stringtype){//超市收款用多个算法类來进行使用和选择if(”平日收费H.equals(type)){supercash=newNormalCash();}elseif(type.matches("3.8妇女节,打・+折”)){floatcash=Float.parseFLoat(type.replaceAll("五一劳动节,打(・+)折”，supercash=newDiscountCash(cash/10);}elseif(type.matches("五一劳动节,打・+折”)){floatcash=Floa

5、t.parseFLoat(type.replaceAll("五一劳动节,打(・+)折”，supercash=newDiscountCash(cash/10);}elseif(type.matches("国庆节特惠,满・+送・+")){floatcashup=Float.parseFLoat(type.replaceAll("国庆节特惠,满(•+)送・+",”$「))；floatcashdown=Float.parseFLoat(type・replaceAll("国庆节特惠,满・+送(・+)"_»”$「))；supercash=new

6、ReturnCash(cashup,cashdown);}}publicdoublegetResult(doublecash){returnsupercash.getcash(cash);}}4、客户端用例测试publicclassTest{publicstaticvoidmain(String[]args){//Stringtype="平日收费”；//正常收费Stringtype=H五一劳动节,打5・1折”；//输出5・1折价格//Stringtype=H3.8妇女节，H3.8折”；〃输出3・8折价格//Stringtype=H国

7、庆特惠,满150送50”；//输出国庆特惠价CashContextcontext=newCashContext(type)；doublecash=context.getResult(500);System.out•println(cash);5、以总金额为500举例，代码结果截图五一应收：254.9IJIC^shContextjava[£

8、DiscountCashjava[JJKeturnCash.javaLUiest.java必spublicclassTest{//土旦辰転幣坎•、电侈个篡£灵耒电仔殳两岌巳任publicstati

9、cvoidmain(String[]args){〃Stringtype-"^EaM"；//SX^JtStringtype""五THE・刀5・1癸”；〃輸±5・W咨//Stringtype=“3・8気女苇.打3・8护・；//建出3・8$