c# - 按年份对自定义列表进行排序

Question

我最近一直在使用列表，但我似乎找不到在自定义类型列表中按年份排序的方法。在对我的列表进行排序时，我只是不知道如何定位年份信息。任何帮助将不胜感激。

我的代码可以在下面查看:

void Main()
{
    List<DVD> myDVDList = GetFilms();
}

// Define other methods and classes here

public List<DVD> GetFilms()
{
    var filmList = new List<DVD>();

    string filename = @"C:\Users\****\Desktop\film-list.txt";
    IEnumerable<string> rawList = File.ReadLines(filename);
    int index = 1;

    foreach(string line in rawList)
    {
        string[] filmInfo = line.Split('*');
        var newDVD = new DVD(index, filmInfo[0], filmInfo[1], int.Parse(filmInfo[2]), filmInfo[3]);
        filmList.Add(newDVD);

        index++;
    }

    return filmList;
}

public class Product
{
    public int IDNumber = 0;
    public string Name = "";
    public int Year = 0;

    public Product(int idNumber, string name, int year)
    {
        IDNumber = idNumber;
        Name = name;
        Year = year;
    }

    public virtual void ProductInfo()
    {
        Console.WriteLine(string.Format("{0} - {1} - {2}", IDNumber,Name,Year));
    }
}

public class DVD : Product
{
    public string Director = "";
    public string Genre = "";

    public DVD(int idNumber, string name, string director, int year, string genre) : base(idNumber, name, year)
    {
        Director = director;
        Genre = genre;
    }

    public override void ProductInfo()
    {
        Console.WriteLine(string.Format("[DVD - Product Information]: #{0} - {1} - {2} - {3} - {4}", IDNumber, Name, Director, Genre, Year));
    }
}

Answer 1

在泛型上使用 LINQ List<Product>对象:

using System.Linq;
...
var orderedList = filmList.OrderBy(z => z.Year).ToList();