设计模式之建造者模式

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace 建造者模式
{
    public class Man
    {
        private Pen p;
        private Graphics g;
        public Pen P
        {
            get
            {
                return p;
            }
            set
            {
                p = value;
            }
        }
        public Graphics G
        {
            get
            {
                return g;
            }
            set
            {
                g = value;
            }
        }
        public Man(Pen myP, Graphics myG)
        {
            this.p = myP;
            this.g = myG;
        }
        public virtual void buildHead() { }
        public virtual void buildBody() { }
        public virtual void buildLeftArm() { }
        public virtual void buildRightArm() { }
        public virtual void buildLeftLeg() { }
        public virtual void buildRightLeg() { }
    }
    public class thinMan : Man
    {
        public thinMan(Pen p, Graphics g)
            : base(p, g)
        {
        }
        public override void buildHead()
        {
            G.DrawEllipse(P, 50, 20, 30, 30);
        }
        public override void buildBody()
        {
            G.DrawRectangle(P, 60, 50, 10, 50);
        }
        public override void buildLeftArm()
        {
            G.DrawLine(P, 60, 50, 40, 100);
        }
        public override void buildRightArm()
        {
            G.DrawLine(P, 70, 50, 90, 100);
        }
        public override void buildLeftLeg()
        {
            G.DrawLine(P, 60, 100, 45, 150);
        }
        public override void buildRightLeg()
        {
            G.DrawLine(P, 70, 100, 85, 150);
        }
    }
    public class fatMan:Man
    {
        public fatMan(Pen p, Graphics g) : base(p, g) { }
        public override void buildHead()
        {
            G.DrawEllipse(P, 50, 20, 30, 30);
        }
        public override void buildBody()
        {
            G.DrawEllipse(P, 45, 50, 40, 50);
        }
        public override void buildLeftArm()
        {
            G.DrawLine(P, 50, 50, 30, 100);
        }
        public override void buildRightArm()
        {
            G.DrawLine(P, 80, 50, 100, 100);
        }
        public override void buildLeftLeg()
        {
            G.DrawLine(P, 60, 100, 45, 150);
        }
        public override void buildRightLeg()
        {
            G.DrawLine(P, 70, 100, 85, 150);
        }
    }
    public class manBuilder
    {
        Man m;
        public manBuilder(Man mM)
        {
            this.m = mM;
        }
        public void Show()
        {
            m.buildHead();
            m.buildBody();
            m.buildLeftArm();
            m.buildRightArm();
            m.buildLeftLeg();
            m.buildRightLeg();
        }
    }
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Pen p = new Pen(Color.Blue);
            Graphics gThin = pictureBox1.CreateGraphics();
            thinMan tMan = new thinMan(p, gThin);
            manBuilder m = new manBuilder(tMan);
            m.Show();
            Graphics gFat = pictureBox2.CreateGraphics();
            fatMan fMan = new fatMan(p, gFat);
            manBuilder m1 = new manBuilder(fMan);
            m1.Show();
        }
    }
}