策略模式

XINCGer · XINCGer · commit 98779f360b19 · 2017-08-04T19:39:27.000+08:00
diff --git a/DesignPatterns/StrategyPattern/StrategyPattern/Program.cs b/DesignPatterns/StrategyPattern/StrategyPattern/Program.cs
@@ -10,6 +10,16 @@ class Program
     {
         static void Main(string[] args)
         {
+            Context context;
+            context = new Context(new ConcreteStrategyA());
+            context.ContextOperation();
+
+            context= new Context(new ConcreteStrategyB());
+            context.ContextOperation();
+
+            context= new Context(new ConcreteStrategyC());
+            context.ContextOperation();
+
         }
     }
 }
diff --git a/DesignPatterns/StrategyPattern/StrategyPattern/Strategy.cs b/DesignPatterns/StrategyPattern/StrategyPattern/Strategy.cs
@@ -31,4 +31,29 @@ public void ContextOperation()
             this.strategy.Algorithm();
         }
     }
+
+
+    class ConcreteStrategyA : Strategy
+    {
+        public override void Algorithm()
+        {
+            Console.WriteLine("&#31639;&#27861;A");
+        }
+    }
+
+    class ConcreteStrategyB : Strategy
+    {
+        public override void Algorithm()
+        {
+            Console.WriteLine("&#31639;&#27861;B");
+        }
+    }
+
+    class ConcreteStrategyC : Strategy
+    {
+        public override void Algorithm()
+        {
+            Console.WriteLine("&#31639;&#27861;C");
+        }
+    }
 }

Original file line number	Diff line number	Diff line change
`@@ -10,6 +10,16 @@ class Program`
`10`	`10`	`{`
`11`	`11`	`static void Main(string[] args)`
`12`	`12`	`{`
	`13`	`+ Context context;`
	`14`	`+ context = new Context(new ConcreteStrategyA());`
	`15`	`+ context.ContextOperation();`
	`16`	`+`
	`17`	`+ context= new Context(new ConcreteStrategyB());`
	`18`	`+ context.ContextOperation();`
	`19`	`+`
	`20`	`+ context= new Context(new ConcreteStrategyC());`
	`21`	`+ context.ContextOperation();`
	`22`	`+`
`13`	`23`	`}`
`14`	`24`	`}`
`15`	`25`	`}`