我也设计模式——24.Template Method
模板方法很简单,只要有抽象类的地方,都可以看到这个模式:就是在父类中的非抽象方法中调用抽象方法。
![](/images/cnblogs_com/jax/TemplateMethod.gif)
基于委托的模板方法:从而具体实现方法可以不依赖于抽象类,达到解耦的目的
几点注意:
1.delegate声明在模板类中
2.在类DoCompA和DoCompB中定义与委托相同的方法
3.在Main()中组装委托链,调用tm.DoComp()意味着这是一个模板方法(非抽象中方法调用抽象方法)
public class TemplateMethod
{
public delegate void Do();
![](/Images/OutliningIndicators/InBlock.gif)
public Do myDo;
![](/Images/OutliningIndicators/InBlock.gif)
public void DoComp()
{
myDo();
}
}
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public class DoCompA
{
public void c1()
{
//Do something
}
![](/Images/OutliningIndicators/InBlock.gif)
public void c2()
{
//Do something
}
}
![](/Images/OutliningIndicators/None.gif)
public static class DoCompB
{
public static void c3()
{
//Do something
}
}
![](/Images/OutliningIndicators/None.gif)
public class MainClass
{
static void Main()
{
DoCompA a = new DoCompA();
![](/Images/OutliningIndicators/InBlock.gif)
TemplateMethod tm = new TemplateMethod();
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tm.myDo += new TemplateMethod.Do(a.c1);
tm.myDo += new TemplateMethod.Do(a.c2);
tm.myDo += new TemplateMethod.Do(DoCompB.c3);
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tm.DoComp();
}
}
![](/images/cnblogs_com/jax/TemplateMethod.gif)
基于委托的模板方法:从而具体实现方法可以不依赖于抽象类,达到解耦的目的
几点注意:
1.delegate声明在模板类中
2.在类DoCompA和DoCompB中定义与委托相同的方法
3.在Main()中组装委托链,调用tm.DoComp()意味着这是一个模板方法(非抽象中方法调用抽象方法)
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