工厂模式及抽象工厂模式代码

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1、实验一工厂模式与抽象工厂模式设计实验内容1、请使用简单工厂模式设计一个创建不同几何形状，如圆形、方形和三角形实例的描图员（ArtTracer）系统。每个几何图形都要有画出draw()和擦去erase()两个方法。2、为了更好的在系统中增加其它图形，请用工厂方法模式重构。3、为了能够在系统中创建几何图形以外的内容，如文字等，请使用抽象工厂模式重构。代码：工厂模式：Shape类及其他的继承类：usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;namespaceShap

2、e{publicinterfaceShape{voiddraw();voiderase();}publicclassCircle:Shape{publicvoiddraw(){Console.WriteLine("画圆");}publicvoiderase(){Console.WriteLine("擦去圆");}}publicclassRectangle:Shape{publicvoiddraw(){Console.WriteLine("画方形");}publicvoiderase(){Console.WriteLine("擦去方形");}}publicclassTr

3、iangle:Shape{publicvoiddraw(){Console.WriteLine("画三角形");}publicvoiderase(){Console.WriteLine("擦去三角形");}}}工厂类：namespaceShape{publicabstractclassFactor{publicabstractShapefactor();}publicclassFactorCircle:Factor{publicoverrideShapefactor(){returnnewCircle();}}publicclassFactorRectangle:Fa

4、ctor{publicoverrideShapefactor(){returnnewRectangle();}}publicclassFactorTriangle:Factor{publicoverrideShapefactor(){returnnewTriangle();}}}工厂模式测试代码：namespaceShape{classProgram{staticvoidMain(string[]args){Console.WriteLine("工厂模式测试：");Factorfactorshape=newFactorCircle();factorshape.fact

5、or().draw();factorshape.factor().erase();factorshape=newFactorRectangle();factorshape.factor().draw();factorshape.factor().erase();factorshape=newFactorTriangle();factorshape.factor().draw();factorshape.factor().erase();Console.Read();}}}增加一个非图形类实现抽象工厂模式：namespaceShape{publicabstractcla

6、ssWord{publicabstractvoiddraw();publicabstractvoiderase();}publicclassWordCase:Word{publicoverridevoiddraw(){Console.WriteLine("写汉字");}publicoverridevoiderase(){Console.WriteLine("擦去汉字");}}}抽象工厂类：namespaceShape{interfaceAbstractFactor{ShapeAbstractFactorShape(Shapeshape);WordAbstractFac

7、torWord(Wordword);}publicclassMyAbstractFactor:AbstractFactor{publicShapeAbstractFactorShape(Shapeshape){returnshape;}publicWordAbstractFactorWord(Wordword){returnword;}}}抽象工厂测试代码：namespaceShape{classProgram{staticvoidMain(string[]args){Console.WriteLine("抽象工厂模式测试：");Shapecircl