创建型模式(Simple Factory)
转自:
http://www.cnblogs.com/zhenyulu/articles/36462.html
![](https://www.cnblogs.com/images/cnblogs_com/kasafuma/Pic38.gif)
代码为
using System;
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
public abstract class Light
{
public abstract void TurnOn();
public abstract void TurnOff();
}
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
public class BulbLight : Light
{
public override void TurnOn()
{
Console.WriteLine("Bulb Light is Turned on");
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public override void TurnOff()
{
Console.WriteLine("Bulb Light is Turned off");
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
public class TubeLight : Light
{
public override void TurnOn()
{
Console.WriteLine("Tube Light is Turned on");
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public override void TurnOff()
{
Console.WriteLine("Tube Light is Turned off");
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
public class LightSimpleFactory
{
public Light Create(string LightType)
{
if(LightType == "Bulb")
return new BulbLight();
else if(LightType == "Tube")
return new TubeLight();
else
return null;
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
public class Client
{
public static void Main()
{
LightSimpleFactory lsf = new LightSimpleFactory();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Light l = lsf.Create("Bulb");
l.TurnOn();
l.TurnOff();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Console.WriteLine("-----------------");
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
l = lsf.Create("Tube");
l.TurnOn();
l.TurnOff();
}
}
演化为
![](https://www.cnblogs.com/images/cnblogs_com/kasafuma/Pic39.gif)
代码为
using System;
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
public class Light
{
public virtual void TurnOn()
{
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public virtual void TurnOff()
{
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public static Light Create(string LightType)
{
if(LightType == "Bulb")
return new BulbLight();
else if(LightType == "Tube")
return new TubeLight();
else
return null;
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
public class BulbLight : Light
{
public override void TurnOn()
{
Console.WriteLine("Bulb Light is Turned on");
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public override void TurnOff()
{
Console.WriteLine("Bulb Light is Turned off");
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
public class TubeLight : Light
{
public override void TurnOn()
{
Console.WriteLine("Tube Light is Turned on");
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public override void TurnOff()
{
Console.WriteLine("Tube Light is Turned off");
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
public class Client
{
public static void Main()
{
Light l = Light.Create("Bulb");
l.TurnOn();
l.TurnOff();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Console.WriteLine("-----------------");
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
l = Light.Create("Tube");
l.TurnOn();
l.TurnOff();
}
}
http://www.cnblogs.com/zhenyulu/articles/36462.html
![](https://www.cnblogs.com/images/cnblogs_com/kasafuma/Pic38.gif)
代码为
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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演化为
![](https://www.cnblogs.com/images/cnblogs_com/kasafuma/Pic39.gif)
代码为
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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