说说设计模式~建造者模式(Builder)

  public class Person
    {
        public string Name { get; set; }
        public short Gander { get; set; }
        public String Head { get; set; }
        public String Body { get; set; }
        public String Foot { get; set; }
        public void SetHead(string content) { Console.WriteLine(content); Head = content; }
        public void SetBody(string content) { Console.WriteLine(content); Body = content; }
        public void SetFoot(string content) { Console.WriteLine(content); Foot = content; }
        public override string ToString()
        {
            return string.Format("Head={0},Body={1},Foot={2}", Head, Body, Foot);
        }
    }
    public class Man : Person
    {
        public Man()
        {
            this.Gander = 1;
        }
    }
    public interface PersonBuilder
    {
        void buildHead();
        void buildBody();
        void buildFoot();
        Person buildPerson();
    }
    public class PersonDirector
    {
        public Person constructPerson(PersonBuilder pb)
        {
            pb.buildHead();
            pb.buildBody();
            pb.buildFoot();
            return pb.buildPerson();
        }
    }
    public class ManBuilder : PersonBuilder
    {
        Person person;
        public ManBuilder()
        {
            person = new Man();
        }
        public void buildBody()
        {
            person.SetBody("建造男人的身体");
        }
        public void buildFoot()
        {
            person.SetFoot("建造男人的脚");
        }
        public void buildHead()
        {
            person.SetHead("建造男人的头");
        }
        public Person buildPerson()
        {
            return person;
        }
 
    }
}

    PersonDirector pd = new PersonDirector();
    Person person = pd.constructPerson(new ManBuilder());
    Console.WriteLine(person.ToString());