C#设计模式之抽象工厂(abstract factory)模式示例源代码

C#设计模式之抽象工厂(abstract factory)模式示例源代码 using System;namespace Design_Pattern{ public class Computer { private RAM Ram; private CPU Cpu; public Computer(RAM ram,CPU cpu) { this.Ram =ram; this.Cpu =cpu; Console .WriteLine("A Computer is Composed! "+this.Ram +" "+this.Cpu ); } } public abstract class RAM { public abstract Computer ComposeAComputer(CPU cpu); } public abstract class CPU { public abstract Computer ComposeAComputer(RAM ram); } public class pcRAM:RAM { public override Computer ComposeAComputer(CPU cpu) { Console .WriteLine ("pcComputer..."); return new Computer(this,cpu); } } public class pcCPU:CPU { public override Computer ComposeAComputer(RAM ram) { Console .WriteLine ("pcComputer..."); return new Computer(ram,this); } } public class macRAM:RAM { public override Computer ComposeAComputer(CPU cpu) { Console .WriteLine ("MacComputer..."); return new Computer(this,cpu); } } public class macCPU:CPU { public override Computer ComposeAComputer(RAM ram) { Console .WriteLine ("MacComputer..."); return new Computer(ram,this); } } public abstract class abstractFactory{ public abstract RAM CreateRam(); public abstract CPU CreateCpu() ;} public class PcFactory:abstractFactory { public override RAM CreateRam() { return new pcRAM(); } public override CPU CreateCpu() { return new pcCPU(); } } public class MacFactory:abstractFactory { public override RAM CreateRam() { return new macRAM(); } public override CPU CreateCpu() { return new macCPU(); } } class ITMarket { private RAM ram; private CPU cpu; public ITMarket(abstractFactory factory) { this.ram =factory.CreateRam(); this.cpu =factory.CreateCpu(); } public void Run() { ram.ComposeAComputer(cpu); cpu.ComposeAComputer(ram); } } class ClientApp { public static void Main(string[] args) { Console .WriteLine("PC Factory...../n"); abstractFactory pcfactory=new PcFactory (); ITMarket itMarket=new ITMarket (pcfactory); itMarket .Run (); Console .WriteLine("MAC Factory...../n"); abstractFactory macfactory=new MacFactory(); itMarket =new ITMarket (macfactory); itMarket .Run (); } } }