代理模式

      代理模式(proxy),为其他对象提供一种代理以控制对这个对象的访问。

      故事:为别人做嫁衣

      卓贾易喜欢娇娇,自己不敢接近,买了礼物却每次让戴励送给娇娇,一来二去娇娇和戴励好上了,卓贾易为别人做了嫁衣。

代理接口:

GiveGift.cs

1 namespace ProxyPattern
2 {
3     interface GiveGift
4     {
5         void GiveDolls();
6         void GiveFlowers();
7         void GiveChocolate();
8     }
9 }

 

被追求者类:

SchoolGirl.cs

 1 namespace ProxyPattern
 2 {
 3     class SchoolGirl
 4     {
 5         private string name;
 6         public string Name
 7         {
 8             get { return name; }
 9             set { name = value; }
10         }
11     }
12 }

 

追求者类:

Pursuit.cs

 1 namespace ProxyPattern
 2 {
 3     class Pursuit:GiveGift      //让追求者去实现送礼物接口
 4     {
 5         SchoolGirl mm;
 6         public Pursuit(SchoolGirl mm)
 7         {
 8             this.mm = mm;
 9         }
10 
11         public void GiveDolls()
12         {
13             Console.WriteLine(mm.Name + "送你羊娃娃");
14         }
15         public void GiveFlowers()
16         {
17             Console.WriteLine(mm.Name + "送你鲜花");
18         }
19         public void GiveChocolate()
20         {
21             Console.WriteLine(mm.Name + "送你巧克力");
22         }
23     }
24 }

 

代理类:

Proxy.cs

 1 namespace ProxyPattern
 2 {
 3     class Proxy:GiveGift       //让代理也去实现送礼物接口
 4     {
 5         Pursuit pursuit;
 6         public Proxy(SchoolGirl mm)
 7         {
 8             pursuit = new Pursuit(mm);
 9         }
10         public void GiveDolls()
11         {
12             pursuit.GiveDolls();  //在实现方法中去调用追求者类的相关方法
13         }
14         public void GiveFlowers()
15         {
16             pursuit.GiveFlowers();
17         }
18         public void GiveChocolate()
19         {
20             pursuit.GiveChocolate();
21         }
22     }
23 }

 

客户端:

Program.cs

 1 namespace ProxyPattern
 2 {
 3     class Program
 4     {
 5         static void Main(string[] args)
 6         {
 7             SchoolGirl sGirl = new SchoolGirl();
 8             sGirl.Name = "娇娇";
 9 
10             Proxy proxy = new Proxy(sGirl);
11 
12             proxy.GiveDolls();
13             proxy.GiveFlowers();
14             proxy.GiveChocolate();
15 
16             Console.Read();
17         }
18     }
19 }

 

posted @ 2018-07-25 09:59  一纸年华  阅读(161)  评论(0编辑  收藏  举报