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C#設計模式之建造者(Builder)模式示例源代碼

編輯：關於C語言

using System;
using System.Collections;

//product
public class Computer
{
  private string Type;
  private Hashtable info=new Hashtable ();
  public Computer(string type)
  {
   Type=type;
   Console .WriteLine ("Conputer "+type+" is Builded!");
  }

  public string this[string key]
  {
   get
   {
    return (string)info[key];
   }
   set
   {
    info[key]=value;
   }
  }
  public void Show()
  {
   Console .WriteLine ("this is a computer of "+Type+" :");
   Console .WriteLine ("   "+info["cpu"]);
   Console .WriteLine ("   "+info["ram"]);
  }
}

//Builder
public abstract class Builder
{
protected Computer computer;

public Computer Computpter
{
  get
  {
   return computer;
  }
}
public Builder(string type)
{
computer=new Computer (type);
}
abstract public void BuildCpu();
abstract public void BuilderRam();

}

public class MacBuilder:Builder
{
public MacBuilder(string type):base(type)
{}
public override void BuildCpu()
{
  computer["cpu"]="MacCpu";
}
public override void BuilderRam()
{
  computer["ram"]="MacCpu";
}

}

public class pcBuilder:Builder
{
public pcBuilder(string type):base(type)
{}
public override void BuildCpu()
{
  computer["cpu"]="pcCpu";
}
public override void BuilderRam()
{
  computer["ram"]="pcCpu";
}

}

public class Worker
{
public void Construct(Builder builder)
{

builder.BuildCpu();
builder.BuilderRam();
}
}

public class CEO
{

public static void Main()
{
  try
  {
   Worker Worker=new Worker ();
   Builder PcBuilder=new pcBuilder ("Pc");
   Builder MacBuilder=new MacBuilder ("Mac");

   Worker .Construct(PcBuilder);
   Worker.Construct(MacBuilder);

   PcBuilder.Computpter.Show ();
   MacBuilder.Computpter.Show ();
  }
  catch(Exception ex)
  {
  Console.WriteLine ("Error:"+ex.Source+" "+ex.InnerException+ex.StackTrace+ex.TargetSite);
  }

}
}

關於C語言