本文实例讲述了C#设计模式之Builder生成器模式解决带老婆配置电脑问题。分享给大家供大家参考，具体如下：
一、理论定义
生成器模式 又叫：建造者模式，它 可以 把一个 复杂的对象，分步骤创建。
二、应用举例
需求描述：话说发工资了，打算去岗顶百脑汇 给老婆配置一台电脑。
OK，坐着BRT，就出发了。
到岗顶，一美女扑面而来，面带微笑：先生，请问看中那个品牌，过来看一下嘛！
人家都开口了，盛情难却，就看下吧。
三、具体编码
1.cpu
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// cpu /// </summary> public class cpu { /// <summary> /// cpu品牌 /// </summary> public string Brand { get; set; } /// <summary> /// cpu系列名 /// </summary> public string Serialsname { get; set; } //其他属性........... }}2.主板
主板motherboard
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// 主板 /// </summary> public class motherboard { /// <summary> /// 主板品牌 /// </summary> public string Brand { get; set; } /// <summary> /// 主板系列名 /// </summary> public string Serialsname { get; set; } //其他属性........... }}3.内存条
内存条Memory
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// Memory /// </summary> public class Memory { /// <summary> /// Memory品牌 /// </summary> public string Brand { get; set; } /// <summary> /// Memory系列名 /// </summary> public string Serialsname { get; set; } //其他属性........... }}4.硬盘
硬盘Harddisk
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// Harddisk /// </summary> public class Harddisk { /// <summary> /// Harddisk品牌 /// </summary> public string Brand { get; set; } /// <summary> /// Harddisk系列名 /// </summary> public string Serialsname { get; set; } //其他属性........... }}5.显卡
显卡GraphicCard
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> ///显卡 GraphicCard /// </summary> public class GraphicCard { /// <summary> /// 显卡GraphicCard品牌 /// </summary> public string Brand { get; set; } /// <summary> /// 显卡GraphicCard系列名 /// </summary> public string Serialsname { get; set; } //其他属性........... }}6.显示器
显示器display
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// display /// </summary> public class display { /// <summary> /// 显示器品牌 /// </summary> public string Brand { get; set; } /// <summary> /// 系列名 /// </summary> public string Serialsname { get; set; } //其他属性........... }}7.音箱
音箱Speakers
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// 音箱Speakers /// </summary> public class Speakers { /// <summary> /// Speakers品牌 /// </summary> public string Brand { get; set; } /// <summary> /// Speakers系列名 /// </summary> public string Serialsname { get; set; } //其他属性........... }}8.键盘
键盘Keyboard
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// 键盘Keyboard /// </summary> public class Keyboard { /// <summary> /// Keyboard品牌 /// </summary> public string Brand { get; set; } /// <summary> /// 键盘Keyboard系列名 /// </summary> public string Serialsname { get; set; } //其他属性........... }}9.鼠标
鼠标Mouse
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// 鼠标Mouse /// </summary> public class Mouse { /// <summary> /// Mouse品牌 /// </summary> public string Brand { get; set; } /// <summary> /// 鼠标Mouse系列名 /// </summary> public string Serialsname { get; set; } //其他属性........... }}10.电脑配置单Config
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ public class Config { /// <summary> /// cpu /// </summary> public cpu cpu { get; set; } /// <summary> /// 显示器 /// </summary> public display display { get; set; } /// <summary> /// 主板 /// </summary> public motherboard motherboard { get; set; } /// <summary> /// 内存条 /// </summary> public Memory Memory { get; set; } /// <summary> /// 硬盘 /// </summary> public Harddisk Harddisk { get; set; } /// <summary> /// 显卡 /// </summary> public GraphicCard GraphicCard { get; set; } /// <summary> /// 音箱 /// </summary> public Speakers Speakers { get; set; } /// <summary> /// 键盘 /// </summary> public Keyboard Keyboard { get; set; } /// <summary> /// 鼠标 /// </summary> public Mouse Mouse { get; set; } }}11.一台电脑Computer
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// 电脑 /// </summary> public class Computer { /// <summary> /// cpu /// </summary> public cpu cpu { get; set; } /// <summary> /// 显示器 /// </summary> public display display { get; set; } /// <summary> /// 主板 /// </summary> public motherboard motherboard { get; set; } /// <summary> /// 内存条 /// </summary> public Memory Memory { get; set; } /// <summary> /// 硬盘 /// </summary> public Harddisk Harddisk { get; set; } /// <summary> /// 显卡 /// </summary> public GraphicCard GraphicCard { get; set; } /// <summary> /// 音箱 /// </summary> public Speakers Speakers { get; set; } /// <summary> /// 键盘 /// </summary> public Keyboard Keyboard { get; set; } /// <summary> /// 鼠标 /// </summary> public Mouse Mouse { get; set; } /// <summary> /// 电脑品牌厂商 /// </summary> public Manufactures Manufactures { get; set; } /// <summary> /// 属于的系列 /// </summary> public string Serials{ get; set; } /// <summary> /// 显示电脑配置 /// </summary> public voID ShowConfig() { Console.Writeline(Manufactures +"\t"+ Serials+" 系列的配置如下："); Console.Writeline("--------------------------------------------------"); Console.Writeline("配件 品牌\t 系列"); Console.Writeline("cpu " + cpu.Brand + "\t " + cpu.Serialsname + "系列"); Console.Writeline("主板 " + motherboard.Brand + "\t " + motherboard.Serialsname + "系列"); Console.Writeline("内存条 " + Memory.Brand + "\t " + Memory.Serialsname + "系列"); Console.Writeline("硬盘 " + Harddisk.Brand + "\t " + Harddisk.Serialsname + "系列"); Console.Writeline("显卡 " + GraphicCard.Brand + "\t " + GraphicCard.Serialsname + "系列"); Console.Writeline("显示器 " + display.Brand + "\t " + display.Serialsname + "系列"); Console.Writeline("音箱 " + Speakers.Brand + "\t " + Speakers.Serialsname + "系列"); Console.Writeline("键盘 " + Keyboard.Brand + "\t " + Keyboard.Serialsname + "系列"); Console.Writeline("鼠标 " + Mouse.Brand + "\t " + Mouse.Serialsname + "系列"); Console.Writeline(); Console.Writeline(); } }}12.某一品牌 某一系列 产品的 具体配置
using System;using System.Collections.Generic;using System.linq;using System.Text;using Com.Design.Gof.Builder.Factory;namespace Com.Design.Gof.Builder{ /// <summary> /// 某一个产品的配置 /// </summary> public class SerialsModel { private Config cfg = null; /// <summary> /// 获取电脑配置单 /// </summary> /// <param name="Manufactures"></param> /// <param name="Serialsname"></param> public SerialsModel(Manufactures Manufactures, string Serialsname) { cfg= ConfigFactory.GetConfig(Manufactures, Serialsname); } /// <summary> /// 具体配置,每个产品系列都有对应的产品配置单 /// </summary> public Config Cfg { get { return cfg; } } }}13.电脑配置单，读取的是XML文件，一共有三个测试文件，联想ThinkPad.xml，三星.xml，索尼.xml，下面只显示联想，其他的随附件下载
<?xml version="1.0" enCoding="utf-8" ?><products> <product Brand="lenovo" Serials="联想IDeaCentre K330"> <config> <cpu Brand="Intel">Intel 酷睿 i5 2320 </cpu> <motherboard Brand="华硕">华硕 H61系列</motherboard> <Memory Brand="金士顿">金士顿 XXXX</Memory> <Harddisk Brand="希捷">希捷1TB 7200转，SATA2</Harddisk> <GraphicCard Brand="华硕">华硕显卡XXXX</GraphicCard> <display Brand="lenovo">联想显示器XXXX</display> <Speakers Brand="lenovo">联想XXXX</Speakers> <Keyboard Brand="lenovo">联想键盘XXXX</Keyboard> <Mouse Brand="微软">微软鼠标XXXX</Mouse> </config> </product> <product Brand="ThinkPad" Serials="联想Y670P-IFI"> <config> <cpu Brand="Intel">Intel 酷睿i5 2450M </cpu> <motherboard Brand="华硕">华硕 H61系列</motherboard> <Memory Brand="金士顿">金士顿 XXXX</Memory> <Harddisk Brand="希捷">希捷500G XXXX</Harddisk> <GraphicCard Brand="华硕">华硕显卡XXXX</GraphicCard> <display Brand="LG">LG显示器XXXX</display> <Speakers Brand="漫步者">漫步者XXXX</Speakers> <Keyboard Brand="微软">微软键盘XXXX</Keyboard> <Mouse Brand="罗技">罗技鼠标XXXX</Mouse> </config> </product> <product Brand="ThinkPad" Serials="联想B470P-IFI"> <config> <cpu Brand="Intel">Intel 酷睿i5 2450M </cpu> <motherboard Brand="华硕">华硕 H61系列</motherboard> <Memory Brand="金士顿">金士顿 XXXX</Memory> <Harddisk Brand="希捷">希捷500G XXXX</Harddisk> <GraphicCard Brand="华硕">华硕显卡XXXX</GraphicCard> <display Brand="LG">LG显示器XXXX</display> <Speakers Brand="漫步者">漫步者XXXX</Speakers> <Keyboard Brand="微软">微软键盘XXXX</Keyboard> <Mouse Brand="长城">长城鼠标XXXX</Mouse> </config> </product></products>
14.一个专门负责获取电脑 配置单的 简单工具类
using System;using System.Collections.Generic;using System.linq;using System.Xml.linq;using System.Xml.XPath;using System.Text;using Com.Design.Gof.Builder;using System.Xml;using System.IO;namespace Com.Design.Gof.Builder.Factory{ public class ConfigFactory { /// <summary> /// 获取电脑配置单 /// </summary> /// <param name="manufactures">电脑厂商</param> /// <param name="Serialname">指定系列</param> /// <returns></returns> public static Config GetConfig(Manufactures manufactures, string Serialname) { Config cfg = new Config(); //从XML文件，加载电脑配置单 Xdocument doc = Xdocument.Parse(file.ReadAllText(AppDomain.CurrentDomain.BaseDirectory + @"\Builder\Data\" + manufactures + ".xml")); XPathNavigator nav=doc.CreateNavigator(); XPathNavigator n=nav.SelectSingleNode("/products/product[@Serials='" + Serialname.Trim() + "']"); n.Movetochild("config",""); if (n == null) { return cfg; } string Brand = string.Empty, Serials = string.Empty; //cpu n.Movetochild("cpu", ""); Brand = n.GetAttribute("Brand", ""); Serials = n.Value; cfg.cpu = new cpu { Brand = Brand, Serialsname = Serials }; //主板motherboard n.MovetoNext("motherboard",""); Brand = n.GetAttribute("Brand", ""); Serials = n.Value; cfg.motherboard = new motherboard { Brand = Brand, Serialsname = Serials }; //内存Memory n.MovetoNext("Memory", ""); Brand = n.GetAttribute("Brand", ""); Serials = n.Value; cfg.Memory = new Memory { Brand = Brand, Serialsname = Serials }; //硬盘Harddisk n.MovetoNext("Harddisk", ""); Brand = n.GetAttribute("Brand", ""); Serials = n.Value; cfg.Harddisk = new Harddisk { Brand = Brand, Serialsname = Serials }; //显卡GraphicCard n.MovetoNext("GraphicCard", ""); Brand = n.GetAttribute("Brand", ""); Serials = n.Value; cfg.GraphicCard = new GraphicCard { Brand = Brand, Serialsname = Serials }; //显示器display n.MovetoNext("display", ""); Brand = n.GetAttribute("Brand", ""); Serials = n.Value; cfg.display = new display { Brand = Brand, Serialsname = Serials }; //音箱Speakers n.MovetoNext("motherboard", ""); Brand = n.GetAttribute("Brand", ""); Serials = n.Value; cfg.Speakers = new Speakers { Brand = Brand, Serialsname = Serials }; //键盘Keyboard n.MovetoNext("Keyboard", ""); Brand = n.GetAttribute("Brand", ""); Serials = n.Value; cfg.Keyboard = new Keyboard { Brand = Brand, Serialsname = Serials }; //鼠标motherboard n.MovetoNext("Mouse", ""); Brand = n.GetAttribute("Brand", ""); Serials = n.Value; cfg.Mouse = new Mouse { Brand = Brand, Serialsname = Serials }; return cfg; } }}15.一个接口，定义了如何构建一个电脑
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ public interface IBuilder { /// <summary> /// cpu /// </summary> voID Buildercpu(cpu cpu); /// <summary> /// 主板 /// </summary> voID Buildermotherboard(motherboard motherboard); /// <summary> /// 显示器 /// </summary> voID Builderdisplay(display display); /// <summary> /// 内存条 /// </summary> voID BuilderMemory(Memory memory); /// <summary> /// 硬盘 /// </summary> voID BuilderHarddisk(Harddisk harddisk); /// <summary> /// 显卡 /// </summary> voID BuildergraphicCard(GraphicCard graphicCard); /// <summary> /// 音箱 /// </summary> voID BuilderSpeakers(Speakers speakers); /// <summary> /// 键盘 /// </summary> voID BuilderKeyboard(Keyboard keyboard); /// <summary> /// 鼠标 /// </summary> voID BuilderMouse(Mouse mouse); /// <summary> /// 获取组装好的电脑 /// </summary> /// <returns></returns> Computer GetComputer(); }}16.联想电脑
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// ThinkPad品牌厂商 /// </summary> public class ThinkPad:IBuilder { Computer computer = null;//电脑 SerialsModel Serials = null;//某个产品系列的具体产品 public ThinkPad(Manufactures Manufactures, string Serialsname) { computer = new Computer { Manufactures = Manufactures, Serials = Serialsname }; Serials = new SerialsModel(Manufactures, Serialsname); } #region 装配电脑 /// <summary> /// 1.组装 cpu /// </summary> /// <param name="cpu"></param> public voID Buildercpu(cpu cpu) { computer.cpu = cpu; } /// <summary> /// 2.组装 主板 /// </summary> /// <param name="motherboard"></param> public voID Buildermotherboard(motherboard motherboard) { computer.motherboard = motherboard; } /// <summary> /// 3.组装 内存条 /// </summary> /// <param name="display"></param> public voID BuilderMemory(Memory memory) { computer.Memory = memory; } /// <summary> ///4.组装 硬盘 /// </summary> /// <param name="display"></param> public voID BuilderHarddisk(Harddisk harddisk) { computer.Harddisk = harddisk; } /// <summary> /// 5.组装 显卡 /// </summary> /// <param name="display"></param> public voID BuildergraphicCard(GraphicCard graphicCard) { computer.GraphicCard = graphicCard; } /// <summary> /// 6.组装 显示器 /// </summary> /// <param name="display"></param> public voID Builderdisplay(display display) { computer.display = display; } /// <summary> /// 7.组装 音箱 /// </summary> /// <param name="display"></param> public voID BuilderSpeakers(Speakers speakers) { computer.Speakers = speakers; } /// <summary> /// 8.组装 键盘 /// </summary> /// <param name="display"></param> public voID BuilderKeyboard(Keyboard keyboard) { computer.Keyboard = keyboard; } /// <summary> /// 9.组装 鼠标 /// </summary> /// <param name="display"></param> public voID BuilderMouse(Mouse mouse) { computer.Mouse = mouse; } #endregion /// <summary> /// 获取组装后的电脑 /// </summary> /// <returns></returns> public Computer GetComputer() { //步骤1--cpu Buildercpu(Serials.Cfg.cpu); //步骤2---主板 Buildermotherboard(Serials.Cfg.motherboard); //步骤3--内存条 BuilderMemory(Serials.Cfg.Memory); //步骤4--硬盘 BuilderHarddisk(Serials.Cfg.Harddisk); //步骤5--显卡 BuildergraphicCard(Serials.Cfg.GraphicCard); //步骤6--显示器 Builderdisplay(Serials.Cfg.display); //步骤7--音箱 BuilderSpeakers(Serials.Cfg.Speakers); //步骤8--键盘 BuilderKeyboard(Serials.Cfg.Keyboard); //步骤9--鼠标 BuilderMouse(Serials.Cfg.Mouse); return computer; } }}17.索尼电脑
Sony
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// Sony索尼品牌厂商 /// </summary> public class Sony:IBuilder { Computer computer = null;//电脑 SerialsModel Serials = null;//某个产品系列的具体产品 public Sony(Manufactures Manufactures, string Serialsname) { computer = new Computer { Manufactures = Manufactures, Serials = Serialsname }; Serials = new SerialsModel(Manufactures, Serialsname); } #region 装配电脑 /// <summary> /// 1.组装 cpu /// </summary> /// <param name="cpu"></param> public voID Buildercpu(cpu cpu) { computer.cpu = cpu; } /// <summary> /// 2.组装 主板 /// </summary> /// <param name="motherboard"></param> public voID Buildermotherboard(motherboard motherboard) { computer.motherboard = motherboard; } /// <summary> /// 3.组装 内存条 /// </summary> /// <param name="display"></param> public voID BuilderMemory(Memory memory) { computer.Memory = memory; } /// <summary> ///4.组装 硬盘 /// </summary> /// <param name="display"></param> public voID BuilderHarddisk(Harddisk harddisk) { computer.Harddisk = harddisk; } /// <summary> /// 5.组装 显卡 /// </summary> /// <param name="display"></param> public voID BuildergraphicCard(GraphicCard graphicCard) { computer.GraphicCard = graphicCard; } /// <summary> /// 6.组装 显示器 /// </summary> /// <param name="display"></param> public voID Builderdisplay(display display) { computer.display = display; } /// <summary> /// 7.组装 音箱 /// </summary> /// <param name="display"></param> public voID BuilderSpeakers(Speakers speakers) { computer.Speakers = speakers; } /// <summary> /// 8.组装 键盘 /// </summary> /// <param name="display"></param> public voID BuilderKeyboard(Keyboard keyboard) { computer.Keyboard = keyboard; } /// <summary> /// 9.组装 鼠标 /// </summary> /// <param name="display"></param> public voID BuilderMouse(Mouse mouse) { computer.Mouse = mouse; } #endregion /// <summary> /// 获取组装后的电脑 /// </summary> /// <returns></returns> public Computer GetComputer() { //步骤1--cpu Buildercpu(Serials.Cfg.cpu); //步骤2---主板 Buildermotherboard(Serials.Cfg.motherboard); //步骤3--内存条 BuilderMemory(Serials.Cfg.Memory); //步骤4--硬盘 BuilderHarddisk(Serials.Cfg.Harddisk); //步骤5--显卡 BuildergraphicCard(Serials.Cfg.GraphicCard); //步骤6--显示器 Builderdisplay(Serials.Cfg.display); //步骤7--音箱 BuilderSpeakers(Serials.Cfg.Speakers); //步骤8--键盘 BuilderKeyboard(Serials.Cfg.Keyboard); //步骤9--鼠标 BuilderMouse(Serials.Cfg.Mouse); return computer; } }}18.三星电脑
三星
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// Samsung索尼品牌厂商 /// </summary> public class Samsung:IBuilder { Computer computer = null;//电脑 SerialsModel Serials = null;//某个产品系列的具体产品 public Samsung(Manufactures Manufactures, string Serialsname) { computer = new Computer { Manufactures = Manufactures, Serials = Serialsname }; Serials = new SerialsModel(Manufactures, Serialsname); } #region 装配电脑 /// <summary> /// 1.组装 cpu /// </summary> /// <param name="cpu"></param> public voID Buildercpu(cpu cpu) { computer.cpu = cpu; } /// <summary> /// 2.组装 主板 /// </summary> /// <param name="motherboard"></param> public voID Buildermotherboard(motherboard motherboard) { computer.motherboard = motherboard; } /// <summary> /// 3.组装 内存条 /// </summary> /// <param name="display"></param> public voID BuilderMemory(Memory memory) { computer.Memory = memory; } /// <summary> ///4.组装 硬盘 /// </summary> /// <param name="display"></param> public voID BuilderHarddisk(Harddisk harddisk) { computer.Harddisk = harddisk; } /// <summary> /// 5.组装 显卡 /// </summary> /// <param name="display"></param> public voID BuildergraphicCard(GraphicCard graphicCard) { computer.GraphicCard = graphicCard; } /// <summary> /// 6.组装 显示器 /// </summary> /// <param name="display"></param> public voID Builderdisplay(display display) { computer.display = display; } /// <summary> /// 7.组装 音箱 /// </summary> /// <param name="display"></param> public voID BuilderSpeakers(Speakers speakers) { computer.Speakers = speakers; } /// <summary> /// 8.组装 键盘 /// </summary> /// <param name="display"></param> public voID BuilderKeyboard(Keyboard keyboard) { computer.Keyboard = keyboard; } /// <summary> /// 9.组装 鼠标 /// </summary> /// <param name="display"></param> public voID BuilderMouse(Mouse mouse) { computer.Mouse = mouse; } #endregion /// <summary> /// 获取组装后的电脑 /// </summary> /// <returns></returns> public Computer GetComputer() { //步骤1--cpu Buildercpu(Serials.Cfg.cpu); //步骤2---主板 Buildermotherboard(Serials.Cfg.motherboard); //步骤3--内存条 BuilderMemory(Serials.Cfg.Memory); //步骤4--硬盘 BuilderHarddisk(Serials.Cfg.Harddisk); //步骤5--显卡 BuildergraphicCard(Serials.Cfg.GraphicCard); //步骤6--显示器 Builderdisplay(Serials.Cfg.display); //步骤7--音箱 BuilderSpeakers(Serials.Cfg.Speakers); //步骤8--键盘 BuilderKeyboard(Serials.Cfg.Keyboard); //步骤9--鼠标 BuilderMouse(Serials.Cfg.Mouse); return computer; } }}19.美女销售员，指导我们买电脑
using System;using System.Collections.Generic;using System.linq;using System.Text;namespace Com.Design.Gof.Builder{ /// <summary> /// 电脑厂家，销售员指导 消费者 要购买那个 品牌 的电脑 /// </summary> public enum Manufactures { Acer宏碁=1, AlIEnware=2,长城=3, 戴尔=4, 东芝=5, 典籍=6, 多彩=7, DCMOFA=8,ESER宇朔=9,富士通=10, 方正=11,Gateway华硕=12, 惠普=13, 海尔=14, 瀚斯宝丽=15,Intel=16, 技嘉=17,联想=18, 联想ThinkPad=19, 雷蛇=20, LG=21, 镭波=22, msi微星=23, 明唐=24,NEC=25, 苹果=26,清华=27,同方=28, 七喜=29, 七彩虹=30,神舟=31, 索尼=32, 三星=33, 松下=34, 史密斯=35, 索泰=36, 神酷=37, TerransForce=38,微软=39, 万利达=40, 新蓝=41,优派=42 } public class Salesman { /// <summary> /// 电脑配置 /// </summary> public voID ShowConfig() { Builder.GetComputer().ShowConfig(); } /// <summary> /// 制造商 /// </summary> public IBuilder Builder { get; set; } }}20.主函数调用
using System;using System.Collections.Generic;using System.linq;using System.Text;using Com.Design.Gof.Builder;namespace Com.Design.Gof.Test{ class Program { static voID Main(string[] args) { //这位先生，请问你看中哪个型号？这边来看下吧！ Salesman salesman = new Salesman(); //美女介绍的 第一台电脑 salesman.Builder = new ThinkPad(Manufactures.联想ThinkPad, "联想IDeaCentre K330"); salesman.ShowConfig(); //电脑配置 //第二台电脑 salesman.Builder = new Sony(Manufactures.索尼, "索尼E14A17ECW"); salesman.ShowConfig(); //电脑配置 //第三台电脑 salesman.Builder = new Samsung(Manufactures.三星, "三星300E4A-S0G"); salesman.ShowConfig(); //电脑配置 Console.ReadKey(); } }}21.运行结果
22.总结
本来想把每个电脑配件再细化，发现工程很大，电脑 产品的属性很多，所以只列出2个字段。
附件里面包括了程序源码。也包括其他项目的测试，有控制台，有web。 总结
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