c#建造者模式

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Customer
{
class Program
{
static void Main(string[] args)
{
Director director = new Director();//指挥者
Builder b1 = new ConcreteBuilder1();
Builder b2 = new ConcreteBuilder2();
//组装第一台电脑
director.Construct(b1);
//组装完,搬过来电脑
Computer computer1 = b1.getComputer();
computer1.Show();

//组装第一台电脑
director.Construct(b2);
//组装完,搬过来电脑
Computer computer2 = b2.getComputer();
computer2.Show();
Console.Read();

}
}

public class Director
{
public void Construct(Builder builder)
{
builder.BuildPartCpu();
builder.BuildPartMainBoard();

}
}

public abstract class Builder
{
//CPU
public abstract void BuildPartCpu();
//装主板
public abstract void BuildPartMainBoard();
public abstract Computer getComputer();
}
public class ConcreteBuilder1 : Builder
{
Computer computer = new Computer();
public override void BuildPartCpu()
{
computer.Add("CPU1");
}
public override void BuildPartMainBoard()
{
computer.Add("Main board1");
}
public override Computer getComputer()
{
return computer;
}
}
internal class ConcreteBuilder2 : Builder
{
Computer computer = new Computer();
public override void BuildPartCpu()
{
computer.Add("CPU2");
}
public override void BuildPartMainBoard()
{
computer.Add("Main board2");
}
public override Computer getComputer()
{
return computer;
}
}
public class Computer
{
private IList<string> parts = new List<string>();
public void Add(string part)
{
parts.Add(part);
}
public void Show()
{
Console.WriteLine("电脑正在组装");
foreach (string part in parts)
{
Console.WriteLine("组件" + part + "已装好");
}
Console.WriteLine("电脑组装好了");
}

}
}