c#桥接模式(bridge结构模式）
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"; } }} |
