因此,如果我有3个类:一个保存司机的数据(他的名字,车牌),第二个保存汽车数据(商标,车牌,制造年份,里程),第三个应该保存(Taksi)数据,比如司机姓名,车牌,汽车制造年份。
public class Car : Taksi
{
public string Trademark { get; set; }
public new int RegPlate { get; set; }
public int YearMade { get; set; }
public int Mileage { get; set; }
public Car (string Trademark, int RegPlate, int YearMade, int Mileage)
{
this.Trademark = Trademark;
this.RegPlate = RegPlate;
this.YearMade = YearMade;
this.Mileage = Mileage;
}
}
public class Driver : Taksi
{
public new string Name { get; set; }
public new int RegPlate { get; set; }
public Driver(string Name , int RegPlate )
{
this.Name = Name;
this.RegPlate = RegPlate ;
}
}
public class Taksi
{
public string Name { get; set; }
public int RegPlate { get; set; }
public string Trademark { get; set; }
public int YearMade { get; set; }
public int Mileage { get; set; }
public Taksi()
{
}
public Taksi(string Name,string Trademark,int YearMade)
{
this.Name = Name;
this.Trademark = Trademark;
this.YearMade = YearMade;
}
}问题是我有两个列表。第一个列表保存驾驶员的数据,第二个列表保存汽车的数据。现在,我不知道获取"Car“和”Driver“类的部分数据(名称、注册表、年份)然后将它们组合和添加的最佳方法是什么
List<Taksi> Taks = new List<Taksi>();有可能吗?
发布于 2019-05-07 18:43:38
我建议您重新考虑您的类结构-驱动程序不是Taksi的一种类型,因此不应该从该类派生。Taksi可以被认为是驾驶员和汽车的组合,所以Taksi不应该从Taksi派生出汽车,而应该从汽车派生(基本上你将Taksi视为一种汽车,而不是一辆汽车作为Taksi的一种类型)。
public class Car
{
public string Trademark { get; set; }
public int YearMade { get; set; }
public int Mileage { get; set; }
public int RegPlate { get; set; }
public Car (string Trademark, int RegPlate, int YearMade, int Mileage)
{
this.Trademark = Trademark;
this.RegPlate = RegPlate;
this.YearMade = YearMade;
this.Mileage = Mileage;
}
}
public class Driver
{
public string Name { get; set; }
public int RegPlate { get; set; }
public Driver(string Name , int RegPlate )
{
this.Name = Name;
this.RegPlate = RegPlate ;
}
}
public class Taksi : Car
{
public Driver TaksiDriver { get; set; }
public Taksi(Driver TaksiDriver, Car TaksiCar)
: base(TaksiCar.Trademark, TaksiCar.RegPlate, TaksiCar.YearMade, TaksiCar.Mileage)
{
this.TaksiDriver = TaksiDriver;
}
}然后,您可以像这样组合您的汽车和司机列表:
List<Car> cars = new List<Car>();
List<Driver> drivers = new List<Driver>();
.....
.....
List<Taksi> taksis = (from car in cars
join driver in drivers on car.RegPlate equals driver.RegPlate
select new Taksi( driver, car )).ToList() ;发布于 2019-05-07 18:13:15
试试这个,顺便说一句,Car类不需要这么多属性。
var cars = new List<Car>();
var drivers = new List<Driver>();
var taksi = from c in cars
from d in drivers
where c.RegPlate == d.RegPlate
select new Taksi()
{
Name = d.Name,
RegPlate = d.RegPlate,
Trademark = c.Trademark,
YearMade = c.YearMade,
Mileage = c.Mileage
};https://stackoverflow.com/questions/56020091
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