設(shè)計模式實驗報告

1、實驗一單例模式的應(yīng)用1實驗?zāi)康?) 掌握單例模式(Singleton)的特點2) 分析具體問題，使用單例模式進(jìn)行設(shè)計。2實驗內(nèi)容和要求很多應(yīng)用項LI都有配置文件，這些配置文件里面定義一些應(yīng)用需要的參數(shù)數(shù) 據(jù)。AppConfig-ParameterA : string+Get Param eterA ()+Se tParame terA ()通常客戶端使用這個類是通過new個AppConfig的實例來得到一個操作配 置文件內(nèi)容的對象。如果在系統(tǒng)運行中，有很多地方都需要使用配置文件的內(nèi)容, 系統(tǒng)中會同時存在多份配置文件的內(nèi)容，這會嚴(yán)重浪費內(nèi)存資源。事實上，對于AppConfig類,在運行期間，只需

2、要一個對象實例就夠了。那 么應(yīng)該怎么實現(xiàn)呢？用C#控制臺應(yīng)用程序?qū)崿F(xiàn)該單例模式。繪制該模式的L-ML 圖。3實驗代碼using System;using System Collections Generic;using SystemLinq;using System .Text;using System .Threading .Tasks;namespace AppConfigpublic class Singletonprivate static Singleton instance;private Singleton()public static Singleton Getlnstance

3、0if (instance = null)instance = new Singleton():return instance;class Programstatic void Main(string args)Singleton singletonOne = SingletonGetlnstance0;Singleton singletonTwo = SingletonGetlnstance();if (singletonOne Equals(singletonTwo)Console. WriteLine (singletonOne 和 singletonTwo 代表的是同一個 實例)；el

4、seConsole. WriteLine (singletonOne 和 singletonTwo 代表的是不同實 例)；Console ReadKey0;J4實驗結(jié)果QB C:WINDOWSsystem32cmd.exesingletoiiOM 和 singletonTwo 代表的是同一個實例實驗二工廠模式的應(yīng)用1實驗?zāi)康?）掌握工廠模式（Factory）的特點2）分析具體問題，使用工廠模式進(jìn)行設(shè)計。2實驗內(nèi)容和要求有一個OEM制造商代理做HP筆記本電腦（Laptop）,后來該制造商得到了更 多的品牌筆記本電腦的訂單Acer, Lenovo, Dell,該OEM商發(fā)現(xiàn)，如果一次同 時做很多個

5、牌子的本本，有些不利于管理。利用工廠模式改善設(shè)計，用C#控制 臺應(yīng)用程序?qū)崿F(xiàn)該OEM制造商的工廠模式。繪制該模式的UML圖。3實驗代碼using System;using System Collections Generic;using SystemLinq;using System .Text;using SystemThreading .Tasks;namespace Factoryclass Computerpublic virtual void print（）Console Write （我是Computerll）;class HPComputer:Computerpublic ove

6、rride void print（）Console. Write （zz我上HPComputern）;class AcerComputer : Computerpublic override void print()Console. Write (我定AcerComputern);class DellComputer : Computerpublic override void print()Console. Write (我定DellComputern);interface IfactoryComputer CreateComputer():class HPFactory : Ifactor

7、ypublic Computer CreateComputer()return new HPComputer();class AcerFactory : Ifactorypublic Computer CreateComputer() return new AcerComputer();class DellFactory : Ifactorypublic Computer CreateComputer() return new DellComputer():class Programstatic void Main (stringargs)Ifactory factory = new HPFa

8、ctory();Computer computer = factoryCreateComputer 0: computer print ();factory = new DellFactory():computer = factoryCreateComputer(); computer print ();factory = new AcerFactory():computer = factoryCreateComputer0; computer print();4實驗截圖ffiHPConiputer找是 D ellConipu t er 找是 Ac erC onipu t er 請按任意鍵繼緣

9、注：文檔可能無法思考全面，請瀏覽后下載，供參考。實驗三抽象工廠模式的應(yīng)用1實驗?zāi)康?) 掌握抽象工廠模式(Abstract Factory)的特點2) 分析具體問題，使用抽象工廠模式進(jìn)行設(shè)計。2實驗內(nèi)容和要求麥當(dāng)勞(McDonalds)和肯德基(KFC)快餐店都經(jīng)營漢堡(Hamburg)和可 樂(Cola),用C#控制臺應(yīng)用程序?qū)崿F(xiàn)這兩個快餐店經(jīng)營產(chǎn)品的抽象工廠模式。 繪制該模式的UML圖。3實驗代碼using System;using System Collections Generic;using SystemLinq;using System .Text;using System .Th

10、reading .Tasks;namespace AbstractFactoryclass Colapublic virtual void print 0 ConsoleWrite(i am colan):class Humpublic virtual void print()Consoleam hamburg er Xn);class KFCCola : Colapublic override void print()Console Write C*i am KFCcolan);class MDCola : Colapublic override voidprint ()Console Wr

11、ite Ciam MDcolan);class KFChum：Humpublic override voidprint ()Console Write(iam KFChamburgernr );class MDhum : Humpublic override void print()Console Write (i am XfDhamburgernxx):abstract class factorypublic abstract Hum createHumO ;public abstract Cola createColaO ; class KFCFectory : factorypublic

12、 override Hum createHumO return new KFChumO ;public override Cola createColaOreturn new KFCColaO ;class MDFectory : factorypublic override Hum createHumOreturn new NfDhum ();public override Cola createColaOreturn new NfDCola 0 ;class Programstatic void Main(string. args)factory f = new KFCFector： !1

13、:Hum h = f createHumO ;Cola c = f createColaO ；h print 0 ;c print 0 ;f = new MDFectory ();h = f createHumO ；c = f createColaO ；h print ();c print ();4實驗結(jié)果i am KFCharoburgeri am KFCcolai am MDhamburgeri am MDcola請按任意鍵繼續(xù)實驗四建造者模式的應(yīng)用1實驗?zāi)康?) 掌握建造者模式(Builder)的特點2) 分析具體問題，使用建造者模式進(jìn)行設(shè)計。2實驗內(nèi)容和要求建造者模式是一種創(chuàng)建型模式，

14、它主要是應(yīng)對項U中一些復(fù)雜對象的創(chuàng)建工 作。所謂“復(fù)雜對象”，是指此對象中還含有其它的子對象。我們現(xiàn)在定義一個 場景：汽車生產(chǎn)必須包含車輪(Wheel)、油箱(OilBox)和車身(Body),應(yīng)用建造 者模式，用C#控制臺應(yīng)用程序?qū)崿F(xiàn)該設(shè)計，構(gòu)建BMW品牌和BenZ品牌汽車生產(chǎn)。 繪制該模式的UML圖。3實驗代碼using System;using System Collections Generic;using SystemLinq;using SystemText:using System .Threading .Tasks;namespace Builderclass Carpriva

15、te String wheel;private String oilBox;private String body;public void setWheel(String wheel)this .wheel = wheel;public void setOilBox(String oilBox)thisoilBox = oilBox;public void setBody(String body)this.body = body;public void introuduce0Console.WriteLine(wheel);Console WriteLine(oilBox);Console W

16、riteLine(body);abstract class CarBuilderprotected Car car = new Car(): public abstract void buildWheel0;public abstract void buildOilBoxO;public abstract void buildBody0:public Car getCar()return car;class BMWBuilder : CarBuilderpublic override void buildBody0car setWheel (.heel made in BMW);public

17、override void buildOilBoxOcarsetOilBox(oilBox made in BMW); public override void buildWheel0carsetBody(body made in BMW”)；class BenSBuilder : CarBuilderpublic override void buildBody0carsetWheel(wheel made in Benz):public override void buildOilBoxOcar setOilBox(zoilBox made in Benz);public override

18、void buildWheel0carsetBody(body made in Benz);class Directorprivate CarBuilder carBuilder;public Director(CarBuiIder carBuilder)this .carBuilder = carBuilder;public void setCarBuilder(CarBuilder carBuilder)this.carBuilder = carBuilder;public void construct()carBuilder buildWheel();carBuilder buildBody0;carBuilder buildOilBoxO ;class Programstatic void Main(string. args)Car car;CarBuilder carbuilder = new BMWBuilder();Director director = new Director(carbuilder): director construct 0;car = carbuild