C#接口

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接口的作用：规范，提高可扩展性，便于维护。

例子，

public interface IProgramer
{
void WriteCode();
}

class clsCSharpProgramer:IProgramer
{
public void WriteCode()//实现具体的writecode的方法
{
Console.Write("CSharp");
}
}

class clsVBProgramer : IProgramer
{
public void WriteCode()
{
Console.Write("VB");
}
}

public class clsProject
{
public void writeprograme(IProgramer programer)//提高可扩展性
{
programer.WriteCode();
}
}

static void Main()
{
clsProject proj = new clsProject();
IProgramer programmer1 = new clsCSharpProgramer();//提高可扩展性
IProgramer programmer2=new clsVBProgramer();
proj.writeprograme(programmer1);
proj.writeprograme(programmer2);
Console.ReadKey();
}

---------------------------如果不继承接口-------------------------

public class clsCSharpProgramer
{
public void WriteCode()
{
Console.Write("CSharp");
}
}

public class clsVBProgramer
{
public void WriteCode()
{
Console.Write("VB");
}
}

public class clsProject
{
public void writeprograme(clsCSharpProgramer cprogramer)
{
cprogramer.WriteCode();
}

public void writeprograme(clsVBProgramer vbprogramer)
{
vbprogramer.WriteCode();
}
}

static void Main()
{
clsProject proj = new clsProject();
clsCSharpProgramer cp = new clsCSharpProgramer();
proj.writeprograme(cp);
clsVBProgramer cv = new clsVBProgramer();
proj.writeprograme(cv);
Console.ReadKey();
}

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