橋接模式(bridge結構模式）c#簡單例子
在前面的玩家中每增加一個行為，就必須在每個玩家中都增加，通過橋接模式將行為提取出來了，減少變化
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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);
}
}
//意圖(Intent）將抽象部分與實現部分分離，使它們都可以獨立地變化。
public abstract class play//抽象部分
{
public string playstring { get; set; }
protected playAction pa;
public void setPlayAction(playAction pa)//使用組合
{
this.pa = pa;
}
public abstract void action();//抽象部分變化
public void run()
{
pa.action();//執行實現部分
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//對實現部分進行抽象
{
public string actionstring;
public abstract void action();
}
public class move : playAction//實現玩家移動行為
{
public override void action()
{
actionstring = "move";
}
}
public class jump : playAction//實現玩家跳躍行為
{
public override void action()
{
actionstring = "jump";
}
}
}
