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c#桥接模式(bridge结构模式）

2024-08-10 03:19:38   220人阅读

桥接模式(bridge结构模式）c#简单例子

在前面的玩家中每增加一个行为，就必须在每个玩家中都增加，通过桥接模式将行为提取出来了，减少变化

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
 
namespace adapterpattern
{
    public partial class bridge : Form
    {
        public bridge()
        {
            InitializeComponent();
        }
 
        private void btnDisplay_Click(object sender, EventArgs e)
        {
            play p1 = new play1();
            p1.setPlayAction(new move());
            p1.run();
            this.listBox1.Items.Add(p1.playstring);
            play p2 = new play2();
            p2.setPlayAction(new jump());
            p2.run();
            this.listBox1.Items.Add(p2.playstring);
        }
    }
    //意图(Intent）将抽象部分与实现部分分离，使它们都可以独立地变化。
    public abstract class play//抽象部分
    {
        public string playstring { get; set; }
        protected playAction pa;
        public void setPlayAction(playAction pa)//使用组合
        {
            this.pa = pa;
        }
        public abstract void action();//抽象部分变化
        public void run()
        {
            pa.action();//执行实现部分
            action();
        }
    }
    public class play1 : play
    {
        public override void action()
        {
            playstring = "play1" + pa.actionstring;
        }
    }
    public class play2 : play
    {
        public override void action()
        {
            playstring = "play2" + pa.actionstring;
 
        }
    }
    public abstract class playAction//对实现部分进行抽象
    {
        public string actionstring;
        public abstract void action();
    }
    public class move : playAction//实现玩家移动行为
    {
        public override void action()
        {
            actionstring = "move";
        }
    }
    public class jump : playAction//实现玩家跳跃行为
    {
        public override void action()
        {
            actionstring = "jump";
        }
    }
}

c#桥接模式(bridge结构模式）


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