抽象工厂模式-C#实现

该实例基于WPF实现，直接上代码，下面为三层架构的代码。

一 Model

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    public abstract class AbstructFactory
    {
        public abstract Comptuter GetComptuter(string name);
        public abstract Phone GetPhone(string name);
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    internal class AppleComptuter : Comptuter
    {
        public override string Name()
        {
            return "苹果电脑";
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    internal class ApplePhone : Phone
    {
        public override string Name()
        {
            return "苹果手机";
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    public abstract class Comptuter
    {
        public abstract string Name();
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    internal class ComptuterFactory : AbstructFactory
    {
        public override Comptuter GetComptuter(string name)
        {
            Comptuter comptuter = null;
            switch (name)
            {
                case "Apple":
                    comptuter = new AppleComptuter();
                    break;
                case "Dell":
                    comptuter = new DellComptuter();
                    break;
                case "Lesson":
                    comptuter = new LessonComptuter();
                    break;
            }

            return comptuter;
        }

        public override Phone GetPhone(string name)
        {
            Phone phone = null;
            switch (name)
            {
                case "Apple":
                    phone = new ApplePhone();
                    break;
                case "ReMi":
                    phone = new ReMiPhone();
                    break;
                case "HauWei":
                    phone = new HauWeiPhone();
                    break;
            }

            return phone;
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    internal class DellComptuter : Comptuter
    {
        public override string Name()
        {
            return "戴尔电脑";
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    internal class HauWeiPhone : Phone
    {
        public override string Name()
        {
            return "华为手机";
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    internal class LessonComptuter : Comptuter
    {
        public override string Name()
        {
            return "联想电脑";
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    public abstract class Phone
    {
        public abstract string Name();
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    internal class PhoneFactory : AbstructFactory
    {
        public override Comptuter GetComptuter(string name)
        {
            Comptuter comptuter = null;
            switch (name)
            {
                case "Apple":
                    comptuter = new AppleComptuter();
                    break;
                case "Dell":
                    comptuter = new DellComptuter();
                    break;
                case "Lesson":
                    comptuter = new LessonComptuter();
                    break;
            }

            return comptuter;
        }

        public override Phone GetPhone(string name)
        {
            Phone phone = null;
            switch (name)
            {
                case "Apple":
                    phone = new ApplePhone();
                    break;
                case "ReMi":
                    phone = new ReMiPhone();
                    break;
                case "HauWei":
                    phone = new HauWeiPhone();
                    break;
            }

            return phone;
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 设计模式练习.Model.抽象工厂模式
{
    internal class ReMiPhone : Phone
    {
        public override string Name()
        {
            return "小米手机";
        }
    }
}

二 View

三 ViewModel

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using 设计模式练习.Model.抽象工厂模式;

namespace 设计模式练习.ViewModel.抽象工厂模式
{
    partial class AbstructFactory_ViewModel : ObservableObject
    {
        [ObservableProperty]
        private string ph1;

        [ObservableProperty]
        private string ph2;

        [ObservableProperty]
        private string ph3;

        [ObservableProperty]
        private string cp1;

        [ObservableProperty]
        private string cp2;

        [ObservableProperty]
        private string cp3;

        [RelayCommand]
        private void fct()
        {
            AbstructFactory a = new ComptuterFactory();
            AbstructFactory b = new PhoneFactory();

            Cp1 = a.GetComptuter("Dell").Name();
            Cp2 = a.GetComptuter("Apple").Name();
            Cp3 = a.GetComptuter("Lesson").Name();

            Ph1 = b.GetPhone("Apple").Name();
            Ph2 = b.GetPhone("ReMi").Name();
            Ph3 = b.GetPhone("HauWei").Name();
        }
    }
}