Question

假设我有两个接口， Device和DeviceSettings，然后我上课了：

class DevA : Device
class DevASettings : DeviceSettings
class DevB  : Device
class DevBSettings : DeviceSettings
class DevC  : Device
class DevCSettings : DeviceSettings

在Device接口中，有两个函数叫做：

DeviceSettings GetSettings();
void SetSettings( DeviceSettings setting);

示例： DevA.GetSettings()可以从DevASettings

获取设置

现在我想将DeviceSettings从接口更改为基类。并且仍然想要使用例如DevA.GetSettings()可以从DevASetting

获取设置

然后如何在Device中进行更改：例如如何更改以上两个函数调用，以便Device可以从DeviceSettings类中获取设置。

Answer 1

您可以像这样制作设备界面

interface Device<T> where T:DeviceSettings
{
T GetDevice();
void SerDevice(T settings);
}

class DeviceA:Device<DeviceASettings>
{
    public DeviceASettings GetDevice()
    {
        throw new NotImplementedException();
    }

    public void SerDevice(DeviceASettings settings)
    {
        throw new NotImplementedException();
    }
}

Answer 2

我实际上将Device变成了一个抽象类：

public abstract class Device
{
    DeviceSettings deviceSettings;

    DeviceSettings GetSettings()
    {
        return this.deviceSettings;
    }

    void SetSettings(DeviceSettings setting)
    {
        this.deviceSettings = setting;
    }
}

public class DevA : Device
{
    public DevA()
    {
        this.deviceSettings = new DevASettings();
    }

    //Do what you need with deviceSettings here
}

//Repeat for DevB/DevBSettings and DevC/DevCSettings

Answer 3

使DeviceSettings成为一个抽象类

Answer 4

使用属性更改实现。我没有看到基类的问题或用它的派生类替换它。根据您的需要进行更改。

interface IDevice
{
    DeviceSettingsBase DeviceSetting { get; set; }
}

class DeviceSettingsBase
{
    public virtual void DeviceSettingsName()
    {
        Console.WriteLine("DeviceSettingsBase");
    }
}
class DevA : IDevice
{
    public DeviceSettingsBase DeviceSetting { get; set; }
}

class DevASettings : DeviceSettingsBase
{
    public override void DeviceSettingsName()
    {
        Console.WriteLine("DevASettings");
    }
}

class DevBSettings : DeviceSettingsBase
{
    public override void DeviceSettingsName()
    {
        Console.WriteLine("DevBSettings");
    }
}

public static class Example
{
    public static void Main()
    {
        DevA devA = new DevA();
        devA.DeviceSetting = new DevASettings();
        devA.DeviceSetting.DeviceSettingsName();
        devA.DeviceSetting = new DevBSettings();
        devA.DeviceSetting.DeviceSettingsName();
        devA.DeviceSetting = new DeviceSettingsBase();
        devA.DeviceSetting.DeviceSettingsName();
    }
}

<强>输出

DevASettings
DevBSettings
DeviceSettingsBase

如何将接口更改为基类？

4 个答案: