C#继承：实现+扩展
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C# inheritance: implements + extends
提问by NewProger
Is it possible to do something like that in C#:
是否可以在以下内容中做类似的事情C#：
public class MyClass implements ClassA extends ClassB
{
}
I need this because: I have two classes one of which is an Interfacewhich I will be implementing in my class, but I would like to also use methods from another class, that does some stuff that I would like to use in my class.
我需要这个是因为：我有两个类，其中一个Interface是我将在我的类中实现的类，但我也想使用另一个类的方法，它可以做一些我想在我的类中使用的东西。
采纳答案by Mir
C# doesn't support multiple inheritance. You can derive from one class and use interfaces for your other needs.
C# 不支持多重继承。您可以从一个类派生并使用接口来满足您的其他需求。
Syntax:
句法：
class MyClass : Foo, IFoo, IBar
{
}
interface IFoo
{
}
interface IBar
{
}
class Foo
{
}
回答by ryadavilli
class Base
{
}
interface I1
{
}
interface I2
{
}
class Derived : Base, I1, I2
{
}
static void Main(String[] args)
{
Derived d = new Derived();
}
回答by Marcin Buciora
Try this one:
试试这个：
using System;
public interface A
{
void DoSmth();
}
public class B
{
public void OpA() { }
public void OpB() { }
}
public class ClassC : B, A
{
public void DoSmth(){}
}
Remember, you cannot inherit from two classes at specific class level, it could be only one class and any number of interfaces.
请记住，您不能在特定的类级别从两个类继承，它可以只有一个类和任意数量的接口。
回答by Adina
It should look like this:
它应该是这样的：
public class MyClass: ClassB, InterfaceA{
}
ClassB is the base class.
ClassB 是基类。
InterfaceA is an interface.
InterfaceA 是一个接口。
You can only extend one base class, but you can implement many interfaces.
您只能扩展一个基类，但可以实现多个接口。
