C#设计模式系列 8 Builder 生成器模式之发工资了，带老婆到 岗顶百脑汇配置电脑

   1.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。

   2.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。

   3.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。

  这里是附件下载(Download)

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原文地址：https://www.cnblogs.com/HCCZX/p/2628452.html