static void Main(string[] args)
{
    Computer computer = new Computer();
    computer.SetCpu("cpu");
    computer.SetMainboard("主板");
    computer.SetPowerSupply("電源");
    computer.SetGraphicsCard("集成顯卡");
    computer.GetComputerInfo();
    Console.ReadLine();
}
public class Computer 
{
    private string _cpu;
    private string _mainboard;
    private string _powerSupply;
    private string _graphicsCard;
    public void SetCpu(string cup) 
    {
        _cpu = cup;
    }
    public void SetMainboard(string mainboard)
    {
        _mainboard = mainboard;
    }
    public void SetPowerSupply(string powerSupply)
    {
        _powerSupply = powerSupply;
    }
    public void SetGraphicsCard(string graphicsCard)
    {
        _graphicsCard = graphicsCard;
    }
    public void GetComputerInfo() 
    {
        Console.WriteLine($"電腦配置為Cpu:{_cpu},主板為：{_mainboard},電源為：{_powerSupply},顯卡為：{_graphicsCard}");
    }
}

// 建造者核心角色生成器
public interface IComputerBuilder
{
    void SetCpu(string cup);
    void SetMainboard(string mainboard);
    void SetPowerSupply(string powerSupply);
    void SetIsGraphicsCard(string graphicsCard);
}
// A電腦具體生成器（固態(tài)硬盤電腦）
public class AComputerBuilder : IComputerBuilder
{
    private Computer Computer;
    public AComputerBuilder() 
    {
        Computer = new Computer();
    }
    public Computer GetComputer()
    {
       return Computer;
    }
    public void SetCpu() => Computer.Cpu = "CPU";
    public void SetHardDisk() => Computer.HardDisk = "固態(tài)硬盤";
    public void SetMainboard() => Computer.Mainboard = "主板";
    public void SetPowerSupply() => Computer.PowerSupply = "電源";
}
// A電腦具體生成器（機(jī)械硬盤電腦）
public class BComputerBuilder : IComputerBuilder
{
    private Computer Computer;
    public BComputerBuilder()
    {
        Computer = new Computer();
    }
    public Computer GetComputer()
    {
        return Computer;
    }
    public void SetCpu() => Computer.Cpu = "CPU";
    public void SetHardDisk() => Computer.HardDisk = "機(jī)械硬盤";
    public void SetMainboard() => Computer.Mainboard = "主板";
    public void SetPowerSupply() => Computer.PowerSupply = "電源";
}

public class Director 
{
    private IComputerBuilder ComputerBuilder;
    //客戶端代碼會創(chuàng)建生成器對象并將其傳遞給主管，然后執(zhí)行構(gòu)造過程。
    public Director(IComputerBuilder _ComputerBuilder) 
    {
        ComputerBuilder = _ComputerBuilder;
    }
    public Computer Build() 
    {
        ComputerBuilder.SetCpu();
        ComputerBuilder.SetMainboard();
        ComputerBuilder.SetPowerSupply();
        ComputerBuilder.SetHardDisk();
        return ComputerBuilder.GetComputer();
    }
}