C#中Builder生成器模式解决配置电脑的问题详解

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。

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