设计模式之建造者模式

#region 建造者模式
class SmallPerson
{
List<string> parts = new List<string>();
string type;
public SmallPerson(string type)
{
this.type = type;
}
public void Add(string part)
{
parts.Add(part);
}

public void Show()
{
Console.WriteLine(this.type+"的创建：");
foreach (string part in parts)
{
Console.Write(part);
}
Console.WriteLine();
}
}

abstract class Builder
{
public abstract void BuildHead();
public abstract void BuildBody();
public abstract void BuildArms();
public abstract void BuildLegs();
public abstract SmallPerson GetResult();
}

class PersonMaleBuilder : Builder
{
private SmallPerson smallPerson = new SmallPerson("男人");
public override void BuildArms()
{
smallPerson.Add(" 男人胳膊 ");
}
public override void BuildHead()
{
smallPerson.Add(" 男人头部 ");
}
public override void BuildBody()
{
smallPerson.Add(" 男人身体 ");
}
public override void BuildLegs()
{
smallPerson.Add(" 男人腿部 ");
}

public override SmallPerson GetResult()
{
return smallPerson;
}
}

class PersonFemaleBuilder : Builder
{
private SmallPerson smallPerson = new SmallPerson("女人");
public override void BuildArms()
{
smallPerson.Add(" 女人胳膊 ");
}
public override void BuildHead()
{
smallPerson.Add(" 女人头部 ");
}
public override void BuildBody()
{
smallPerson.Add(" 女人身体 ");
}
public override void BuildLegs()
{
smallPerson.Add(" 女人腿部 ");
}
public override SmallPerson GetResult()
{
return smallPerson;
}
}

class Director //指挥者类
{
public void Constructor(Builder builder)
{
builder.BuildHead();
builder.BuildBody();
builder.BuildArms();
builder.BuildLegs();
}
}
#endregion

class Program
{
static void Main(string[] args)
{

#region 建造者模式
Console.WriteLine("建造者模式效果演示：");
Director dir = new Director();
Builder b1 = new PersonMaleBuilder();
Builder b2 = new PersonFemaleBuilder();

dir.Constructor(b1);
dir.Constructor(b2);

SmallPerson sp1 = b1.GetResult();
SmallPerson sp2 = b2.GetResult();

sp1.Show();

sp2.Show();
#endregion

}

}